// TSP智能助手综合管理平台前端脚本

class TSPDashboard {
    constructor() {
        this.currentTab = 'dashboard';
        this.charts = {};
        this.refreshIntervals = {};
        this.websocket = null;
        this.sessionId = null;
        this.isAgentMode = true;
        
        // 优化：添加前端缓存
        this.cache = new Map();
        this.cacheTimeout = 30000; // 30秒缓存
        
        this.init();
        this.restorePageState();
    }

    async generateAISuggestion(workorderId) {
        const button = document.querySelector(`button[onclick="dashboard.generateAISuggestion(${workorderId})"]`);
        const textarea = document.getElementById(`aiSuggestion_${workorderId}`);
        
        try {
            // 添加加载状态
            if (button) {
                button.classList.add('btn-loading');
                button.disabled = true;
            }
            if (textarea) {
                textarea.classList.add('ai-loading');
                textarea.value = '正在生成AI建议，请稍候...';
            }
            
            const resp = await fetch(`/api/workorders/${workorderId}/ai-suggestion`, { method: 'POST' });
            const data = await resp.json();
            
            if (data.success) {
                if (textarea) {
                    textarea.value = data.ai_suggestion || '';
                    textarea.classList.remove('ai-loading');
                    textarea.classList.add('success-animation');
                    
                    // 移除成功动画类
                    setTimeout(() => {
                        textarea.classList.remove('success-animation');
                    }, 600);
                }
                this.showNotification('AI建议已生成', 'success');
            } else {
                throw new Error(data.error || '生成失败');
            }
        } catch (e) {
            console.error('生成AI建议失败:', e);
            if (textarea) {
                textarea.value = 'AI建议生成失败，请重试';
                textarea.classList.remove('ai-loading');
            }
            this.showNotification('生成AI建议失败: ' + e.message, 'error');
        } finally {
            // 移除加载状态
            if (button) {
                button.classList.remove('btn-loading');
                button.disabled = false;
            }
        }
    }

    async saveHumanResolution(workorderId) {
        try {
            const text = document.getElementById(`humanResolution_${workorderId}`).value.trim();
            if (!text) { this.showNotification('请输入人工描述', 'warning'); return; }
            const resp = await fetch(`/api/workorders/${workorderId}/human-resolution`, {
                method: 'POST',
                headers: { 'Content-Type': 'application/json' },
                body: JSON.stringify({ human_resolution: text })
            });
            const data = await resp.json();
            if (data.success) {
                const simEl = document.getElementById(`aiSim_${workorderId}`);
                const apprEl = document.getElementById(`aiApproved_${workorderId}`);
                const approveBtn = document.getElementById(`approveBtn_${workorderId}`);
                const percent = Math.round((data.similarity || 0) * 100);
                
                // 更新相似度显示，使用语义相似度
                if (simEl) { 
                    simEl.innerHTML = `<i class="fas fa-percentage"></i>语义相似度: ${percent}%`; 
                    
                    // 使用新的CSS类
                    if (percent >= 90) {
                        simEl.className = 'similarity-badge high';
                    } else if (percent >= 80) {
                        simEl.className = 'similarity-badge medium';
                    } else {
                        simEl.className = 'similarity-badge low';
                    }
                    
                    simEl.title = this.getSimilarityExplanation(percent);
                }
                
                // 更新审批状态
                if (apprEl) { 
                    if (data.use_human_resolution) {
                        apprEl.textContent = '将使用人工描述入库';
                        apprEl.className = 'status-badge human-resolution';
                    } else if (data.approved) {
                        apprEl.textContent = '已自动审批';
                        apprEl.className = 'status-badge approved';
                    } else {
                        apprEl.textContent = '未审批';
                        apprEl.className = 'status-badge pending';
                    }
                }
                
                // 更新审批按钮状态
                if (approveBtn) {
                    const canApprove = data.approved || data.use_human_resolution;
                    approveBtn.disabled = !canApprove;
                    
                    if (data.use_human_resolution) {
                        approveBtn.textContent = '使用人工描述入库';
                        approveBtn.className = 'approve-btn';
                        approveBtn.title = 'AI准确率低于90%，将使用人工描述入库';
                    } else if (data.approved) {
                        approveBtn.textContent = '已自动审批';
                        approveBtn.className = 'approve-btn approved';
                        approveBtn.title = 'AI建议与人工描述高度一致';
                    } else {
                        approveBtn.textContent = '审批入库';
                        approveBtn.className = 'approve-btn';
                        approveBtn.title = '手动审批入库';
                    }
                }
                
                // 显示更详细的反馈信息
                const message = this.getSimilarityMessage(percent, data.approved, data.use_human_resolution);
                this.showNotification(message, data.approved ? 'success' : data.use_human_resolution ? 'warning' : 'info');
            } else {
                throw new Error(data.error || '保存失败');
            }
        } catch (e) {
            console.error('保存人工描述失败:', e);
            this.showNotification('保存人工描述失败: ' + e.message, 'error');
        }
    }

    async approveToKnowledge(workorderId) {
        try {
            const resp = await fetch(`/api/workorders/${workorderId}/approve-to-knowledge`, { method: 'POST' });
            const data = await resp.json();
            if (data.success) {
                const contentType = data.used_content === 'human_resolution' ? '人工描述' : 'AI建议';
                const confidence = Math.round((data.confidence_score || 0) * 100);
                this.showNotification(`已入库为知识条目！使用${contentType}，置信度: ${confidence}%`, 'success');
            } else {
                throw new Error(data.error || '入库失败');
            }
        } catch (e) {
            console.error('入库失败:', e);
            this.showNotification('入库失败: ' + e.message, 'error');
        }
    }
    init() {
        this.bindEvents();
        // 优化：并行加载初始数据，提高响应速度
        this.loadInitialDataAsync();
        this.startAutoRefresh();
        this.initCharts();
    }
    
    async loadInitialDataAsync() {
        // 并行加载多个数据源
        try {
            await Promise.all([
                this.loadDashboard(),
                this.loadWorkOrders(),
                this.loadConversationHistory(),
                this.loadKnowledgeBase()
            ]);
        } catch (error) {
            console.error('并行加载数据失败:', error);
            // 回退到串行加载
            await this.loadInitialData();
        }
    }
    
    // 优化：添加缓存方法
    getCachedData(key) {
        const cached = this.cache.get(key);
        if (cached && Date.now() - cached.timestamp < this.cacheTimeout) {
            return cached.data;
        }
        return null;
    }
    
    setCachedData(key, data) {
        this.cache.set(key, {
            data: data,
            timestamp: Date.now()
        });
    }
    
    clearCache() {
        this.cache.clear();
    }

    bindEvents() {
        // 标签页切换
        document.querySelectorAll('[data-tab]').forEach(tab => {
            tab.addEventListener('click', (e) => {
                e.preventDefault();
                this.switchTab(tab.dataset.tab);
            });
        });

        // 对话控制
        document.getElementById('start-chat').addEventListener('click', () => this.startChat());
        document.getElementById('end-chat').addEventListener('click', () => this.endChat());
        document.getElementById('create-work-order').addEventListener('click', () => this.showCreateWorkOrderModal());
        document.getElementById('send-button').addEventListener('click', () => this.sendMessage());
        document.getElementById('message-input').addEventListener('keypress', (e) => {
            if (e.key === 'Enter') this.sendMessage();
        });

        // 快速操作按钮
        document.querySelectorAll('.quick-action-btn').forEach(btn => {
            btn.addEventListener('click', () => {
                const message = btn.dataset.message;
                document.getElementById('message-input').value = message;
                this.sendMessage();
            });
        });

        // Agent控制
        document.getElementById('agent-mode-toggle').addEventListener('change', (e) => {
            this.toggleAgentMode(e.target.checked);
        });

        // Agent对话功能
        document.getElementById('send-agent-message').addEventListener('click', () => this.sendAgentMessage());
        document.getElementById('clear-agent-chat').addEventListener('click', () => this.clearAgentChat());
        document.getElementById('agent-message-input').addEventListener('keypress', (e) => {
            if (e.key === 'Enter' && !e.shiftKey) {
                e.preventDefault();
                this.sendAgentMessage();
            }
        });

        // Agent控制按钮
        document.getElementById('trigger-sample-action').addEventListener('click', () => this.triggerSampleAction());
        document.getElementById('clear-agent-history').addEventListener('click', () => this.clearAgentHistory());
        document.getElementById('start-agent-monitoring').addEventListener('click', () => this.startAgentMonitoring());
        document.getElementById('stop-agent-monitoring').addEventListener('click', () => this.stopAgentMonitoring());
        document.getElementById('proactive-monitoring').addEventListener('click', () => this.proactiveMonitoring());
        document.getElementById('intelligent-analysis').addEventListener('click', () => this.intelligentAnalysis());

        // 预警管理
        document.getElementById('refresh-alerts').addEventListener('click', () => this.loadAlerts());
        document.getElementById('alert-filter').addEventListener('change', () => this.updateAlertsDisplay());

        // 知识库管理
        document.getElementById('search-knowledge').addEventListener('click', () => this.searchKnowledge());
        document.getElementById('knowledge-search').addEventListener('keypress', (e) => {
            if (e.key === 'Enter') this.searchKnowledge();
        });

        // 工单管理
        document.getElementById('refresh-workorders').addEventListener('click', () => this.loadWorkOrders());
        document.getElementById('workorder-status-filter').addEventListener('change', () => this.loadWorkOrders());
        document.getElementById('workorder-priority-filter').addEventListener('change', () => this.loadWorkOrders());

        // 模态框
        document.getElementById('create-work-order-btn').addEventListener('click', () => this.createWorkOrder());
        document.getElementById('add-knowledge-btn').addEventListener('click', () => this.addKnowledge());
        document.getElementById('upload-file-btn').addEventListener('click', () => this.uploadFile());

        // 置信度滑块
        document.getElementById('knowledge-confidence').addEventListener('input', (e) => {
            document.getElementById('confidence-value').textContent = e.target.value;
        });
        document.getElementById('file-confidence').addEventListener('input', (e) => {
            document.getElementById('file-confidence-value').textContent = e.target.value;
        });

        // 处理方式选择
        document.getElementById('process-method').addEventListener('change', (e) => {
            const manualDiv = document.getElementById('manual-question-div');
            if (e.target.value === 'manual') {
                manualDiv.style.display = 'block';
            } else {
                manualDiv.style.display = 'none';
            }
        });

        // 系统设置
        document.getElementById('system-settings-form').addEventListener('submit', (e) => {
            e.preventDefault();
            this.saveSystemSettings();
        });

        // API测试按钮事件
        const testApiBtn = document.getElementById('test-api-connection');
        if (testApiBtn) {
            testApiBtn.addEventListener('click', () => this.testApiConnection());
        }
        
        const testModelBtn = document.getElementById('test-model-response');
        if (testModelBtn) {
            testModelBtn.addEventListener('click', () => this.testModelResponse());
        }
        
        // 重启服务按钮事件
        const restartBtn = document.getElementById('restart-service');
        if (restartBtn) {
            restartBtn.addEventListener('click', () => {
                if (confirm('确定要重启服务吗？这将中断当前连接。')) {
                    this.showNotification('重启服务功能待实现', 'info');
                }
            });
        }
    }

    switchTab(tabName) {
        // 更新导航状态
        document.querySelectorAll('.nav-link').forEach(link => {
            link.classList.remove('active');
        });
        document.querySelector(`[data-tab="${tabName}"]`).classList.add('active');

        // 显示对应内容
        document.querySelectorAll('.tab-content').forEach(content => {
            content.style.display = 'none';
        });
        document.getElementById(`${tabName}-tab`).style.display = 'block';

        this.currentTab = tabName;
        
        // 保存当前页面状态
        this.savePageState();

        // 加载对应数据
        switch(tabName) {
            case 'dashboard':
                this.loadDashboardData();
                break;
            case 'chat':
                this.loadChatData();
                break;
            case 'agent':
                this.loadAgentData();
                break;
            case 'alerts':
                this.loadAlerts();
                break;
            case 'knowledge':
                this.loadKnowledge();
                break;
            case 'workorders':
                this.loadWorkOrders();
                break;
            case 'conversation-history':
                this.loadConversationHistory();
                break;
            case 'token-monitor':
                this.loadTokenMonitor();
                break;
            case 'ai-monitor':
                this.loadAIMonitor();
                break;
            case 'system-optimizer':
                this.loadSystemOptimizer();
                break;
            case 'analytics':
                this.loadAnalytics();
                break;
            case 'settings':
                this.loadSettings();
                break;
        }
    }

    savePageState() {
        const state = {
            currentTab: this.currentTab,
            timestamp: Date.now()
        };
        localStorage.setItem('tsp_dashboard_state', JSON.stringify(state));
    }

    restorePageState() {
        try {
            const savedState = localStorage.getItem('tsp_dashboard_state');
            if (savedState) {
                const state = JSON.parse(savedState);
                // 如果状态保存时间不超过1小时，则恢复
                if (Date.now() - state.timestamp < 3600000) {
                    this.switchTab(state.currentTab);
                }
            }
        } catch (error) {
            console.warn('恢复页面状态失败:', error);
        }
    }

    async loadInitialData() {
        await Promise.all([
            this.loadHealth(),
            this.loadDashboardData(),
            this.loadSystemInfo()
        ]);
    }

    startAutoRefresh() {
        // 每15秒刷新健康状态（减少 /api/health 日志）
        this.refreshIntervals.health = setInterval(() => {
            this.loadHealth();
        }, 15000);

        // 每10秒刷新当前标签页数据
        this.refreshIntervals.currentTab = setInterval(() => {
            this.refreshCurrentTab();
        }, 10000);
    }

    refreshCurrentTab() {
        switch(this.currentTab) {
            case 'dashboard':
                this.loadDashboardData();
                break;
            case 'alerts':
                this.loadAlerts();
                break;
            case 'agent':
                this.loadAgentData();
                break;
        }
    }

    async loadHealth() {
        try {
            const response = await fetch('/api/health');
            const data = await response.json();
            this.updateHealthDisplay(data);
        } catch (error) {
            console.error('加载健康状态失败:', error);
        }
    }

    updateHealthDisplay(health) {
        const healthScore = health.health_score || 0;
        const healthStatus = health.status || 'unknown';
        
        // 更新健康指示器
        const healthDot = document.getElementById('health-dot');
        const healthStatusText = document.getElementById('health-status');
        const systemHealthDot = document.getElementById('system-health-dot');
        const systemHealthText = document.getElementById('system-health-text');
        const healthProgress = document.getElementById('health-progress');
        
        if (healthDot) {
            healthDot.className = `health-dot ${healthStatus}`;
        }
        if (healthStatusText) {
            healthStatusText.textContent = this.getHealthStatusText(healthStatus);
        }
        if (systemHealthDot) {
            systemHealthDot.className = `health-dot ${healthStatus}`;
        }
        if (systemHealthText) {
            systemHealthText.textContent = this.getHealthStatusText(healthStatus);
        }
        if (healthProgress) {
            healthProgress.style.width = `${healthScore * 100}%`;
            healthProgress.className = `progress-bar ${this.getHealthColor(healthScore)}`;
        }

        // 更新内存和CPU使用率
        const memoryUsage = health.memory_usage || 0;
        const memoryProgress = document.getElementById('memory-progress');
        if (memoryProgress) {
            memoryProgress.style.width = `${memoryUsage}%`;
        }

        const cpuUsage = health.cpu_usage || 0;
        const cpuProgress = document.getElementById('cpu-progress');
        if (cpuProgress) {
            cpuProgress.style.width = `${cpuUsage}%`;
        }
    }

    getHealthStatusText(status) {
        const statusMap = {
            'excellent': '优秀',
            'good': '良好',
            'fair': '一般',
            'poor': '较差',
            'critical': '严重',
            'unknown': '未知'
        };
        return statusMap[status] || status;
    }

    getHealthColor(score) {
        if (score >= 0.8) return 'bg-success';
        if (score >= 0.6) return 'bg-info';
        if (score >= 0.4) return 'bg-warning';
        return 'bg-danger';
    }

    async loadDashboardData() {
        try {
            const [sessionsResponse, alertsResponse, workordersResponse, knowledgeResponse] = await Promise.all([
                fetch('/api/chat/sessions'),
                fetch('/api/alerts'),
                fetch('/api/workorders'),
                fetch('/api/knowledge/stats')
            ]);

            const sessions = await sessionsResponse.json();
            const alerts = await alertsResponse.json();
            const workorders = await workordersResponse.json();
            const knowledge = await knowledgeResponse.json();

            // 更新统计卡片
            document.getElementById('total-sessions').textContent = sessions.sessions?.length || 0;
            document.getElementById('total-alerts').textContent = alerts.length || 0;
            document.getElementById('total-workorders').textContent = workorders.filter(w => w.status === 'open').length || 0;
            document.getElementById('knowledge-count').textContent = knowledge.total_entries || 0;
            
            // 更新知识库详细统计
            document.getElementById('knowledge-total').textContent = knowledge.total_entries || 0;
            document.getElementById('knowledge-active').textContent = knowledge.active_entries || 0;
            const confidencePercent = Math.round((knowledge.average_confidence || 0) * 100);
            document.getElementById('knowledge-confidence').style.width = `${confidencePercent}%`;
            document.getElementById('knowledge-confidence').setAttribute('aria-valuenow', confidencePercent);
            document.getElementById('knowledge-confidence').textContent = `${confidencePercent}%`;

            // 更新性能图表
            await this.updatePerformanceChart(sessions, alerts, workorders);
            
            // 更新系统健康状态
            await this.updateSystemHealth();

        } catch (error) {
            console.error('加载仪表板数据失败:', error);
        }
    }



    initCharts() {
        // 性能趋势图
        const performanceCtx = document.getElementById('performanceChart');
        if (performanceCtx) {
            this.charts.performance = new Chart(performanceCtx, {
                type: 'line',
                data: {
                    labels: [],
                    datasets: [{
                        label: '工单数量',
                        data: [],
                        borderColor: '#007bff',
                        backgroundColor: 'rgba(0, 123, 255, 0.1)',
                        tension: 0.4
                    }, {
                        label: '预警数量',
                        data: [],
                        borderColor: '#dc3545',
                        backgroundColor: 'rgba(220, 53, 69, 0.1)',
                        tension: 0.4
                    }]
                },
                options: {
                    responsive: true,
                    maintainAspectRatio: false,
                    scales: {
                        y: {
                            beginAtZero: true
                        }
                    }
                }
            });
        }

        // 分析图表
        const analyticsCtx = document.getElementById('analyticsChart');
        if (analyticsCtx) {
            this.charts.analytics = new Chart(analyticsCtx, {
                type: 'line',
                data: {
                    labels: [],
                    datasets: [{
                        label: '满意度',
                        data: [],
                        borderColor: '#28a745',
                        backgroundColor: 'rgba(40, 167, 69, 0.1)',
                        tension: 0.4
                    }, {
                        label: '解决时间(小时)',
                        data: [],
                        borderColor: '#ffc107',
                        backgroundColor: 'rgba(255, 193, 7, 0.1)',
                        tension: 0.4
                    }]
                },
                options: {
                    responsive: true,
                    maintainAspectRatio: false,
                    scales: {
                        y: {
                            beginAtZero: true
                        }
                    }
                }
            });
        }

        // 类别分布图
        const categoryCtx = document.getElementById('categoryChart');
        if (categoryCtx) {
            this.charts.category = new Chart(categoryCtx, {
                type: 'doughnut',
                data: {
                    labels: [],
                    datasets: [{
                        data: [],
                        backgroundColor: [
                            '#007bff',
                            '#28a745',
                            '#ffc107',
                            '#dc3545',
                            '#17a2b8'
                        ]
                    }]
                },
                options: {
                    responsive: true,
                    maintainAspectRatio: false
                }
            });
        }
    }

    async updatePerformanceChart(sessions, alerts, workorders) {
        if (!this.charts.performance) return;

        try {
            // 获取真实的分析数据
            const response = await fetch('/api/analytics?days=7&dimension=performance');
            const analyticsData = await response.json();
            
            if (analyticsData.trend && analyticsData.trend.length > 0) {
                // 使用真实数据
                const labels = analyticsData.trend.map(item => {
                    const date = new Date(item.date);
                    return `${date.getMonth() + 1}/${date.getDate()}`;
                });
                
                const workorderData = analyticsData.trend.map(item => item.workorders || 0);
                const alertData = analyticsData.trend.map(item => item.alerts || 0);
                
                this.charts.performance.data.labels = labels;
                this.charts.performance.data.datasets[0].data = workorderData;
                this.charts.performance.data.datasets[1].data = alertData;
                this.charts.performance.update();
            } else {
                // 如果没有真实数据，显示提示
                this.charts.performance.data.labels = ['暂无数据'];
                this.charts.performance.data.datasets[0].data = [0];
                this.charts.performance.data.datasets[1].data = [0];
                this.charts.performance.update();
            }
        } catch (error) {
            console.error('获取性能趋势数据失败:', error);
            // 出错时显示空数据
            this.charts.performance.data.labels = ['数据加载失败'];
            this.charts.performance.data.datasets[0].data = [0];
            this.charts.performance.data.datasets[1].data = [0];
            this.charts.performance.update();
        }
    }

    // 更新系统健康状态显示
    async updateSystemHealth() {
        try {
            const response = await fetch('/api/settings');
            const settings = await response.json();
            
            // 更新健康分数
            const healthScore = Math.max(0, 100 - (settings.memory_usage_percent || 0) - (settings.cpu_usage_percent || 0));
            const healthProgress = document.getElementById('health-progress');
            const healthDot = document.getElementById('system-health-dot');
            const healthText = document.getElementById('system-health-text');
            
            if (healthProgress) {
                healthProgress.style.width = `${healthScore}%`;
                healthProgress.setAttribute('aria-valuenow', healthScore);
            }
            
            if (healthDot) {
                healthDot.className = 'health-dot';
                if (healthScore >= 80) healthDot.classList.add('excellent');
                else if (healthScore >= 60) healthDot.classList.add('good');
                else if (healthScore >= 40) healthDot.classList.add('fair');
                else if (healthScore >= 20) healthDot.classList.add('poor');
                else healthDot.classList.add('critical');
            }
            
            if (healthText) {
                const statusText = healthScore >= 80 ? '优秀' : 
                                 healthScore >= 60 ? '良好' : 
                                 healthScore >= 40 ? '一般' : 
                                 healthScore >= 20 ? '较差' : '严重';
                healthText.textContent = `${statusText} (${healthScore}%)`;
            }
            
            // 更新内存使用
            const memoryProgress = document.getElementById('memory-progress');
            if (memoryProgress && settings.memory_usage_percent !== undefined) {
                memoryProgress.style.width = `${settings.memory_usage_percent}%`;
                memoryProgress.setAttribute('aria-valuenow', settings.memory_usage_percent);
            }
            
            // 更新CPU使用
            const cpuProgress = document.getElementById('cpu-progress');
            if (cpuProgress && settings.cpu_usage_percent !== undefined) {
                cpuProgress.style.width = `${settings.cpu_usage_percent}%`;
                cpuProgress.setAttribute('aria-valuenow', settings.cpu_usage_percent);
            }
            
        } catch (error) {
            console.error('更新系统健康状态失败:', error);
        }
    }

    // 对话功能
    async startChat() {
        try {
            const userId = document.getElementById('user-id').value;
            const workOrderId = document.getElementById('work-order-id').value;

            const response = await fetch('/api/chat/session', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json'
                },
                body: JSON.stringify({
                    user_id: userId,
                    work_order_id: workOrderId ? parseInt(workOrderId) : null
                })
            });

            const data = await response.json();
            if (data.success) {
                this.sessionId = data.session_id;
                document.getElementById('start-chat').disabled = true;
                document.getElementById('end-chat').disabled = false;
                document.getElementById('message-input').disabled = false;
                document.getElementById('send-button').disabled = false;
                document.getElementById('session-info').textContent = `会话ID: ${this.sessionId}`;
                document.getElementById('connection-status').className = 'badge bg-success';
                document.getElementById('connection-status').innerHTML = '<i class="fas fa-circle me-1"></i>已连接';
                
                this.showNotification('对话已开始', 'success');
            } else {
                this.showNotification('开始对话失败', 'error');
            }
        } catch (error) {
            console.error('开始对话失败:', error);
            this.showNotification('开始对话失败', 'error');
        }
    }

    async endChat() {
        try {
            if (!this.sessionId) return;

            const response = await fetch(`/api/chat/session/${this.sessionId}`, {
                method: 'DELETE'
            });

            const data = await response.json();
            if (data.success) {
                this.sessionId = null;
                document.getElementById('start-chat').disabled = false;
                document.getElementById('end-chat').disabled = true;
                document.getElementById('message-input').disabled = true;
                document.getElementById('send-button').disabled = true;
                document.getElementById('session-info').textContent = '未开始对话';
                document.getElementById('connection-status').className = 'badge bg-secondary';
                document.getElementById('connection-status').innerHTML = '<i class="fas fa-circle me-1"></i>未连接';
                
                this.showNotification('对话已结束', 'info');
            } else {
                this.showNotification('结束对话失败', 'error');
            }
        } catch (error) {
            console.error('结束对话失败:', error);
            this.showNotification('结束对话失败', 'error');
        }
    }

    async sendMessage() {
        const messageInput = document.getElementById('message-input');
        const message = messageInput.value.trim();
        
        if (!message || !this.sessionId) return;

        // 显示用户消息
        this.addMessage('user', message);
        messageInput.value = '';

        // 显示占位提示：小奇正在查询中
        const typingId = this.showTypingIndicator();

        // 发送消息到服务器
        try {
            const response = await fetch('/api/chat/message', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json'
                },
                body: JSON.stringify({
                    session_id: this.sessionId,
                    message: message
                })
            });

            const data = await response.json();
            if (data.success) {
                this.updateTypingIndicator(typingId, data.response, data.knowledge_used);
            } else {
                this.updateTypingIndicator(typingId, '抱歉，处理您的消息时出现了错误。', null, true);
            }
        } catch (error) {
            console.error('发送消息失败:', error);
            this.updateTypingIndicator(typingId, '网络连接错误，请稍后重试。', null, true);
        }
    }

    showTypingIndicator() {
        const messagesContainer = document.getElementById('chat-messages');
        const id = `typing-${Date.now()}`;
        const messageDiv = document.createElement('div');
        messageDiv.className = 'message assistant';
        messageDiv.id = id;
        const avatar = document.createElement('div');
        avatar.className = 'message-avatar';
        avatar.innerHTML = '<i class="fas fa-robot"></i>';
        const contentDiv = document.createElement('div');
        contentDiv.className = 'message-content';
        contentDiv.innerHTML = `
            <div>小奇正在查询中，请稍后…</div>
            <div class="message-time">${new Date().toLocaleTimeString()}</div>
        `;
        messageDiv.appendChild(avatar);
        messageDiv.appendChild(contentDiv);
        messagesContainer.appendChild(messageDiv);
        messagesContainer.scrollTop = messagesContainer.scrollHeight;
        return id;
    }

    updateTypingIndicator(typingId, content, knowledgeUsed = null, isError = false) {
        const node = document.getElementById(typingId);
        if (!node) {
            // 回退：若占位不存在则直接追加
            this.addMessage('assistant', content, knowledgeUsed, isError);
            return;
        }
        const contentDiv = node.querySelector('.message-content');
        if (contentDiv) {
            contentDiv.innerHTML = `
                <div>${content}</div>
                <div class="message-time">${new Date().toLocaleTimeString()}</div>
            `;
            if (knowledgeUsed && knowledgeUsed.length > 0) {
                const knowledgeDiv = document.createElement('div');
                knowledgeDiv.className = 'knowledge-info';
                knowledgeDiv.innerHTML = `
                    <i class="fas fa-lightbulb me-1"></i>
                    使用了知识库: ${knowledgeUsed.map(k => k.question || k.source || '实时数据').join(', ')}
                `;
                contentDiv.appendChild(knowledgeDiv);
            }
            if (isError) {
                contentDiv.style.borderLeft = '4px solid #dc3545';
            } else {
                contentDiv.style.borderLeft = '';
            }
        }
        const messagesContainer = document.getElementById('chat-messages');
        messagesContainer.scrollTop = messagesContainer.scrollHeight;
    }

    addMessage(role, content, knowledgeUsed = null, isError = false) {
        const messagesContainer = document.getElementById('chat-messages');
        
        // 移除欢迎消息
        const welcomeMsg = messagesContainer.querySelector('.text-center');
        if (welcomeMsg) {
            welcomeMsg.remove();
        }

        const messageDiv = document.createElement('div');
        messageDiv.className = `message ${role}`;
        
        const avatar = document.createElement('div');
        avatar.className = 'message-avatar';
        avatar.innerHTML = role === 'user' ? '<i class="fas fa-user"></i>' : '<i class="fas fa-robot"></i>';
        
        const contentDiv = document.createElement('div');
        contentDiv.className = 'message-content';
        contentDiv.innerHTML = `
            <div>${content}</div>
            <div class="message-time">${new Date().toLocaleTimeString()}</div>
        `;

        if (knowledgeUsed && knowledgeUsed.length > 0) {
            const knowledgeDiv = document.createElement('div');
            knowledgeDiv.className = 'knowledge-info';
            knowledgeDiv.innerHTML = `
                <i class="fas fa-lightbulb me-1"></i>
                使用了知识库: ${knowledgeUsed.map(k => k.question).join(', ')}
            `;
            contentDiv.appendChild(knowledgeDiv);
        }

        if (isError) {
            contentDiv.style.borderLeft = '4px solid #dc3545';
        }

        messageDiv.appendChild(avatar);
        messageDiv.appendChild(contentDiv);
        messagesContainer.appendChild(messageDiv);
        
        // 滚动到底部
        messagesContainer.scrollTop = messagesContainer.scrollHeight;
    }

    // Agent功能
    async toggleAgentMode(enabled) {
        try {
            const response = await fetch('/api/agent/toggle', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json'
                },
                body: JSON.stringify({ enabled })
            });

            const data = await response.json();
            if (data.success) {
                this.isAgentMode = enabled;
                this.showNotification(`Agent模式已${enabled ? '启用' : '禁用'}`, 'success');
                this.loadAgentData();
            } else {
                this.showNotification('切换Agent模式失败', 'error');
            }
        } catch (error) {
            console.error('切换Agent模式失败:', error);
            this.showNotification('切换Agent模式失败', 'error');
        }
    }

    async loadAgentData() {
        try {
            const [statusResp, toolsResp] = await Promise.all([
                fetch('/api/agent/status'),
                fetch('/api/agent/tools/stats')
            ]);
            const data = await statusResp.json();
            const toolsData = await toolsResp.json();
            
            if (data.success) {
                document.getElementById('agent-current-state').textContent = data.status || '未知';
                document.getElementById('agent-active-goals').textContent = data.active_goals || 0;
                const tools = (toolsData.success ? toolsData.tools : (data.tools || [])) || [];
                document.getElementById('agent-available-tools').textContent = tools.length || 0;
                
                // 更新工具列表（使用真实统计）
                this.updateToolsList(tools);
                
                // 更新执行历史
                this.updateAgentExecutionHistory(data.execution_history || []);
            }
        } catch (error) {
            console.error('加载Agent数据失败:', error);
        }
    }

    updateToolsList(tools) {
        const toolsList = document.getElementById('tools-list');
        if (!tools || tools.length === 0) {
            toolsList.innerHTML = '<div class="empty-state"><i class="fas fa-tools"></i><p>暂无工具</p></div>';
            return;
        }

        const toolsHtml = tools.map(tool => {
            const usage = tool.usage_count || 0;
            const success = Math.round((tool.success_rate || 0) * 100);
            const meta = tool.metadata || {};
            return `
                <div class="d-flex justify-content-between align-items-center mb-2">
                    <div>
                        <strong>${tool.name}</strong>
                        ${meta.description ? `<div class="text-muted small">${meta.description}</div>` : ''}
                        <small class="text-muted">使用次数: ${usage}</small>
                    </div>
                    <div>
                        <span class="badge ${success >= 80 ? 'bg-success' : success >= 50 ? 'bg-warning' : 'bg-secondary'}">${success}%</span>
                        <button class="btn btn-sm btn-outline-primary ms-2" data-tool="${tool.name}">执行</button>
                    </div>
                </div>
            `;
        }).join('');

        toolsList.innerHTML = toolsHtml;

        // 绑定执行事件
        toolsList.querySelectorAll('button[data-tool]').forEach(btn => {
            btn.addEventListener('click', async () => {
                const tool = btn.getAttribute('data-tool');
                // 简单参数输入（可扩展为动态表单）
                let params = {};
                try {
                    const input = prompt('请输入执行参数(JSON)：', '{}');
                    if (input) params = JSON.parse(input);
                } catch (e) {
                    this.showNotification('参数格式错误，应为JSON', 'warning');
                    return;
                }
                try {
                    const resp = await fetch('/api/agent/tools/execute', {
                        method: 'POST',
                        headers: { 'Content-Type': 'application/json' },
                        body: JSON.stringify({ tool, parameters: params })
                    });
                    const res = await resp.json();
                    if (res.success) {
                        this.showNotification(`工具 ${tool} 执行成功`, 'success');
                        await this.loadAgentData();
                    } else {
                        this.showNotification(res.error || `工具 ${tool} 执行失败`, 'error');
                    }
                } catch (err) {
                    console.error('执行工具失败:', err);
                    this.showNotification('执行工具失败: ' + err.message, 'error');
                }
            });
        });

        // 追加自定义工具注册入口
        const addDiv = document.createElement('div');
        addDiv.className = 'mt-3';
        addDiv.innerHTML = `
            <div class="input-group input-group-sm">
                <input type="text" id="custom-tool-name" class="form-control" placeholder="自定义工具名称">
                <input type="text" id="custom-tool-desc" class="form-control" placeholder="描述(可选)">
                <button class="btn btn-outline-primary" id="register-tool-btn">注册</button>
            </div>
        `;
        toolsList.appendChild(addDiv);
        document.getElementById('register-tool-btn').addEventListener('click', async () => {
            const name = document.getElementById('custom-tool-name').value.trim();
            const description = document.getElementById('custom-tool-desc').value.trim();
            if (!name) { this.showNotification('请输入工具名称', 'warning'); return; }
            try {
                const resp = await fetch('/api/agent/tools/register', {
                    method: 'POST',
                    headers: { 'Content-Type': 'application/json' },
                    body: JSON.stringify({ name, description })
                });
                const res = await resp.json();
                if (res.success) {
                    this.showNotification('工具注册成功', 'success');
                    this.loadAgentData();
                } else {
                    this.showNotification(res.error || '工具注册失败', 'error');
                }
            } catch (e) {
                console.error('注册工具失败:', e);
                this.showNotification('注册工具失败', 'error');
            }
        });
    }

    updateExecutionHistory(history) {
        const historyContainer = document.getElementById('agent-execution-history');
        if (history.length === 0) {
            historyContainer.innerHTML = '<div class="empty-state"><i class="fas fa-history"></i><p>暂无执行历史</p></div>';
            return;
        }

        const historyHtml = history.slice(-5).map(item => `
            <div class="border-bottom pb-2 mb-2">
                <div class="d-flex justify-content-between">
                    <strong>${item.type || '未知任务'}</strong>
                    <small class="text-muted">${new Date(item.timestamp).toLocaleString()}</small>
                </div>
                <div class="text-muted small">${item.description || '无描述'}</div>
                <div class="mt-1">
                    <span class="badge ${item.success ? 'bg-success' : 'bg-danger'}">
                        ${item.success ? '成功' : '失败'}
                    </span>
                </div>
            </div>
        `).join('');

        historyContainer.innerHTML = historyHtml;
    }

    async startAgentMonitoring() {
        try {
            const response = await fetch('/api/agent/monitoring/start', { method: 'POST' });
            const data = await response.json();
            
            if (data.success) {
                this.showNotification('Agent监控已启动', 'success');
            } else {
                this.showNotification('启动Agent监控失败', 'error');
            }
        } catch (error) {
            console.error('启动Agent监控失败:', error);
            this.showNotification('启动Agent监控失败', 'error');
        }
    }

    async stopAgentMonitoring() {
        try {
            const response = await fetch('/api/agent/monitoring/stop', { method: 'POST' });
            const data = await response.json();
            
            if (data.success) {
                this.showNotification('Agent监控已停止', 'success');
            } else {
                this.showNotification('停止Agent监控失败', 'error');
            }
        } catch (error) {
            console.error('停止Agent监控失败:', error);
            this.showNotification('停止Agent监控失败', 'error');
        }
    }

    async proactiveMonitoring() {
        try {
            const response = await fetch('/api/agent/proactive-monitoring', { method: 'POST' });
            const data = await response.json();
            
            if (data.success) {
                this.showNotification(`主动监控完成，发现 ${data.proactive_actions?.length || 0} 个行动机会`, 'info');
            } else {
                this.showNotification('主动监控失败', 'error');
            }
        } catch (error) {
            console.error('主动监控失败:', error);
            this.showNotification('主动监控失败', 'error');
        }
    }

    async intelligentAnalysis() {
        try {
            const response = await fetch('/api/agent/intelligent-analysis', { method: 'POST' });
            const data = await response.json();
            
            if (data.success) {
                this.showNotification('智能分析完成', 'success');
                // 更新分析图表
                this.updateAnalyticsChart(data.analysis);
            } else {
                this.showNotification('智能分析失败', 'error');
            }
        } catch (error) {
            console.error('智能分析失败:', error);
            this.showNotification('智能分析失败', 'error');
        }
    }

    updateAnalyticsChart(analysis) {
        if (!this.charts.analytics || !analysis) return;

        // 更新分析图表数据
        const labels = analysis.trends?.dates || [];
        const satisfactionData = analysis.trends?.satisfaction || [];
        const resolutionTimeData = analysis.trends?.resolution_time || [];

        this.charts.analytics.data.labels = labels;
        this.charts.analytics.data.datasets[0].data = satisfactionData;
        this.charts.analytics.data.datasets[1].data = resolutionTimeData;
        this.charts.analytics.update();
    }

    // 预警管理
    async loadAlerts() {
        try {
            const response = await fetch('/api/alerts');
            const alerts = await response.json();
            this.updateAlertsDisplay(alerts);
            this.updateAlertStatistics(alerts);
        } catch (error) {
            console.error('加载预警失败:', error);
        }
    }

    updateAlertsDisplay(alerts) {
        const container = document.getElementById('alerts-container');
        
        if (alerts.length === 0) {
            container.innerHTML = `
                <div class="empty-state">
                    <i class="fas fa-check-circle"></i>
                    <h5>暂无活跃预警</h5>
                    <p>系统运行正常，没有需要处理的预警</p>
                </div>
            `;
            return;
        }

        const alertsHtml = alerts.map(alert => `
            <div class="alert-item ${alert.level}">
                <div class="d-flex justify-content-between align-items-start">
                    <div class="flex-grow-1">
                        <div class="d-flex align-items-center mb-2">
                            <span class="badge bg-${this.getAlertColor(alert.level)} me-2">${this.getLevelText(alert.level)}</span>
                            <span class="fw-bold">${alert.rule_name || '未知规则'}</span>
                            <span class="ms-auto text-muted small">${this.formatTime(alert.created_at)}</span>
                        </div>
                        <div class="alert-message mb-2">${alert.message}</div>
                        <div class="alert-meta text-muted small">
                            类型: ${this.getTypeText(alert.alert_type)} | 
                            级别: ${this.getLevelText(alert.level)}
                        </div>
                    </div>
                    <div class="ms-3">
                        <button class="btn btn-sm btn-outline-success" onclick="dashboard.resolveAlert(${alert.id})">
                            <i class="fas fa-check me-1"></i>解决
                        </button>
                    </div>
                </div>
            </div>
        `).join('');

        container.innerHTML = alertsHtml;
    }

    updateAlertStatistics(alerts) {
        const stats = alerts.reduce((acc, alert) => {
            acc[alert.level] = (acc[alert.level] || 0) + 1;
            acc.total = (acc.total || 0) + 1;
            return acc;
        }, {});

        document.getElementById('critical-alerts').textContent = stats.critical || 0;
        document.getElementById('warning-alerts').textContent = stats.warning || 0;
        document.getElementById('info-alerts').textContent = stats.info || 0;
        document.getElementById('total-alerts-count').textContent = stats.total || 0;
    }

    async resolveAlert(alertId) {
        try {
            const response = await fetch(`/api/alerts/${alertId}/resolve`, { method: 'POST' });
            const data = await response.json();
            
            if (data.success) {
                this.showNotification('预警已解决', 'success');
                this.loadAlerts();
            } else {
                this.showNotification('解决预警失败', 'error');
            }
        } catch (error) {
            console.error('解决预警失败:', error);
            this.showNotification('解决预警失败', 'error');
        }
    }

    // 知识库管理
    async loadKnowledge(page = 1) {
        try {
            const response = await fetch(`/api/knowledge?page=${page}&per_page=10`);
            const data = await response.json();
            
            if (data.knowledge) {
                this.updateKnowledgeDisplay(data.knowledge);
                this.updateKnowledgePagination(data);
            } else {
                // 兼容旧格式
                this.updateKnowledgeDisplay(data);
            }
        } catch (error) {
            console.error('加载知识库失败:', error);
        }
    }

    updateKnowledgeDisplay(knowledge) {
        const container = document.getElementById('knowledge-list');
        
        if (knowledge.length === 0) {
            container.innerHTML = '<div class="empty-state"><i class="fas fa-database"></i><p>暂无知识条目</p></div>';
            return;
        }

        const knowledgeHtml = knowledge.map(item => `
            <div class="knowledge-item">
                <div class="d-flex justify-content-between align-items-start">
                    <div class="flex-grow-1">
                        <h6 class="mb-1">${item.question}</h6>
                        <p class="text-muted mb-2">${item.answer}</p>
                        <div class="d-flex gap-3">
                            <small class="text-muted">分类: ${item.category}</small>
                            <small class="text-muted">置信度: ${Math.round(item.confidence_score * 100)}%</small>
                            <small class="text-muted">使用次数: ${item.usage_count || 0}</small>
                            <span class="badge ${item.is_verified ? 'bg-success' : 'bg-warning'}">
                                ${item.is_verified ? '已验证' : '未验证'}
                            </span>
                        </div>
                    </div>
                    <div class="ms-3">
                        <div class="btn-group" role="group">
                            ${item.is_verified ? 
                                `<button class="btn btn-sm btn-outline-warning" onclick="dashboard.unverifyKnowledge(${item.id})" title="取消验证">
                                    <i class="fas fa-times-circle"></i>
                                </button>` :
                                `<button class="btn btn-sm btn-outline-success" onclick="dashboard.verifyKnowledge(${item.id})" title="验证">
                                    <i class="fas fa-check-circle"></i>
                                </button>`
                            }
                            <button class="btn btn-sm btn-outline-danger" onclick="dashboard.deleteKnowledge(${item.id})" title="删除">
                                <i class="fas fa-trash"></i>
                            </button>
                        </div>
                    </div>
                </div>
            </div>
        `).join('');

        container.innerHTML = knowledgeHtml;
    }

    updateKnowledgePagination(data) {
        const paginationContainer = document.getElementById('knowledge-pagination');
        if (!paginationContainer) return;
        
        const { page, total_pages, total } = data;
        
        if (total_pages <= 1) {
            paginationContainer.innerHTML = '';
            return;
        }
        
        let paginationHtml = `
            <div class="d-flex justify-content-between align-items-center">
                <div>
                    <small class="text-muted">共 ${total} 条知识，第 ${page} / ${total_pages} 页</small>
                </div>
                <nav>
                    <ul class="pagination pagination-sm mb-0">
        `;
        
        // 上一页
        if (page > 1) {
            paginationHtml += `<li class="page-item"><a class="page-link" href="#" onclick="dashboard.loadKnowledge(${page - 1})">上一页</a></li>`;
        }
        
        // 页码
        const startPage = Math.max(1, page - 2);
        const endPage = Math.min(total_pages, page + 2);
        
        for (let i = startPage; i <= endPage; i++) {
            const activeClass = i === page ? 'active' : '';
            paginationHtml += `<li class="page-item ${activeClass}"><a class="page-link" href="#" onclick="dashboard.loadKnowledge(${i})">${i}</a></li>`;
        }
        
        // 下一页
        if (page < total_pages) {
            paginationHtml += `<li class="page-item"><a class="page-link" href="#" onclick="dashboard.loadKnowledge(${page + 1})">下一页</a></li>`;
        }
        
        paginationHtml += `
                    </ul>
                </nav>
            </div>
        `;
        
        paginationContainer.innerHTML = paginationHtml;
    }

    async searchKnowledge() {
        const query = document.getElementById('knowledge-search').value.trim();
        if (!query) {
            this.loadKnowledge();
            return;
        }

        try {
            const response = await fetch(`/api/knowledge/search?q=${encodeURIComponent(query)}`);
            const results = await response.json();
            this.updateKnowledgeDisplay(results);
        } catch (error) {
            console.error('搜索知识库失败:', error);
        }
    }

    async addKnowledge() {
        const question = document.getElementById('knowledge-question').value.trim();
        const answer = document.getElementById('knowledge-answer').value.trim();
        const category = document.getElementById('knowledge-category').value;
        const confidence = parseFloat(document.getElementById('knowledge-confidence').value);

        if (!question || !answer) {
            this.showNotification('请填写完整信息', 'warning');
            return;
        }

        try {
            const response = await fetch('/api/knowledge', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json'
                },
                body: JSON.stringify({
                    question,
                    answer,
                    category,
                    confidence_score: confidence
                })
            });

            const data = await response.json();
            if (data.success) {
                this.showNotification('知识添加成功', 'success');
                bootstrap.Modal.getInstance(document.getElementById('addKnowledgeModal')).hide();
                document.getElementById('knowledge-form').reset();
                this.loadKnowledge();
            } else {
                this.showNotification('添加知识失败', 'error');
            }
        } catch (error) {
            console.error('添加知识失败:', error);
            this.showNotification('添加知识失败', 'error');
        }
    }

    async uploadFile() {
        const fileInput = document.getElementById('file-input');
        const processMethod = document.getElementById('process-method').value;
        const category = document.getElementById('file-category').value;
        const confidence = parseFloat(document.getElementById('file-confidence').value);
        const manualQuestion = document.getElementById('manual-question').value.trim();

        if (!fileInput.files[0]) {
            this.showNotification('请选择文件', 'warning');
            return;
        }

        if (processMethod === 'manual' && !manualQuestion) {
            this.showNotification('请指定问题', 'warning');
            return;
        }

        // 显示进度条
        const progressDiv = document.getElementById('upload-progress');
        const progressBar = progressDiv.querySelector('.progress-bar');
        const statusText = document.getElementById('upload-status');
        
        progressDiv.style.display = 'block';
        progressBar.style.width = '0%';
        statusText.textContent = '正在上传文件...';

        try {
            const formData = new FormData();
            formData.append('file', fileInput.files[0]);
            formData.append('process_method', processMethod);
            formData.append('category', category);
            formData.append('confidence_score', confidence);
            if (manualQuestion) {
                formData.append('manual_question', manualQuestion);
            }

            // 模拟进度更新
            let progress = 0;
            const progressInterval = setInterval(() => {
                progress += Math.random() * 20;
                if (progress > 90) progress = 90;
                progressBar.style.width = progress + '%';
                
                if (progress < 30) {
                    statusText.textContent = '正在上传文件...';
                } else if (progress < 60) {
                    statusText.textContent = '正在解析文件内容...';
                } else if (progress < 90) {
                    statusText.textContent = '正在生成知识库...';
                }
            }, 500);

            const response = await fetch('/api/knowledge/upload', {
                method: 'POST',
                body: formData
            });

            clearInterval(progressInterval);
            progressBar.style.width = '100%';
            statusText.textContent = '处理完成！';

            const data = await response.json();
            
            setTimeout(() => {
                progressDiv.style.display = 'none';
                
                if (data.success) {
                    this.showNotification(`文件处理成功，生成了 ${data.knowledge_count || 0} 条知识`, 'success');
                    bootstrap.Modal.getInstance(document.getElementById('uploadFileModal')).hide();
                    document.getElementById('file-upload-form').reset();
                    this.loadKnowledge();
                } else {
                    this.showNotification(data.error || '文件处理失败', 'error');
                }
            }, 1000);

        } catch (error) {
            console.error('文件上传失败:', error);
            progressDiv.style.display = 'none';
            this.showNotification('文件上传失败', 'error');
        }
    }

    async verifyKnowledge(knowledgeId) {
        try {
            const response = await fetch(`/api/knowledge/verify/${knowledgeId}`, {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json'
                },
                body: JSON.stringify({
                    verified_by: 'admin'
                })
            });

            const data = await response.json();
            if (data.success) {
                this.showNotification('知识库验证成功', 'success');
                this.loadKnowledge();
            } else {
                this.showNotification('知识库验证失败', 'error');
            }
        } catch (error) {
            console.error('验证知识库失败:', error);
            this.showNotification('验证知识库失败', 'error');
        }
    }

    async unverifyKnowledge(knowledgeId) {
        try {
            const response = await fetch(`/api/knowledge/unverify/${knowledgeId}`, {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json'
                }
            });

            const data = await response.json();
            if (data.success) {
                this.showNotification('取消验证成功', 'success');
                this.loadKnowledge();
            } else {
                this.showNotification('取消验证失败', 'error');
            }
        } catch (error) {
            console.error('取消验证失败:', error);
            this.showNotification('取消验证失败', 'error');
        }
    }

    async deleteKnowledge(knowledgeId) {
        if (!confirm('确定要删除这条知识库条目吗？')) {
            return;
        }

        try {
            const response = await fetch(`/api/knowledge/delete/${knowledgeId}`, {
                method: 'DELETE'
            });

            const data = await response.json();
            if (data.success) {
                this.showNotification('知识库删除成功', 'success');
                this.loadKnowledge();
            } else {
                this.showNotification('知识库删除失败', 'error');
            }
        } catch (error) {
            console.error('删除知识库失败:', error);
            this.showNotification('删除知识库失败', 'error');
        }
    }

    // 工单管理
    async loadWorkOrders() {
        try {
            const statusFilter = document.getElementById('workorder-status-filter').value;
            const priorityFilter = document.getElementById('workorder-priority-filter').value;
            
            let url = '/api/workorders';
            const params = new URLSearchParams();
            if (statusFilter !== 'all') params.append('status', statusFilter);
            if (priorityFilter !== 'all') params.append('priority', priorityFilter);
            if (params.toString()) url += '?' + params.toString();

            const response = await fetch(url);
            const workorders = await response.json();
            this.updateWorkOrdersDisplay(workorders);
            this.updateWorkOrderStatistics(workorders);
        } catch (error) {
            console.error('加载工单失败:', error);
        }
    }

    updateWorkOrdersDisplay(workorders) {
        const container = document.getElementById('workorders-list');
        
        if (workorders.length === 0) {
            container.innerHTML = '<div class="empty-state"><i class="fas fa-tasks"></i><p>暂无工单</p></div>';
            return;
        }

        const workordersHtml = workorders.map(workorder => `
            <div class="work-order-item">
                <div class="d-flex justify-content-between align-items-start">
                    <div class="flex-grow-1">
                        <h6 class="mb-1">${workorder.title}</h6>
                        <p class="text-muted mb-2">${workorder.description ? workorder.description.substring(0, 100) + (workorder.description.length > 100 ? '...' : '') : '无处理过程'}</p>
                        <div class="d-flex gap-3">
                            <span class="badge bg-${this.getPriorityColor(workorder.priority)}">${this.getPriorityText(workorder.priority)}</span>
                            <span class="badge bg-${this.getStatusColor(workorder.status)}">${this.getStatusText(workorder.status)}</span>
                            <small class="text-muted">分类: ${workorder.category}</small>
                            <small class="text-muted">创建时间: ${new Date(workorder.created_at).toLocaleString()}</small>
                        </div>
                    </div>
                    <div class="ms-3">
                        <div class="btn-group" role="group">
                            <button class="btn btn-sm btn-outline-info" onclick="dashboard.viewWorkOrderDetails(${workorder.id})" title="查看详情">
                                <i class="fas fa-eye"></i>
                            </button>
                            <button class="btn btn-sm btn-outline-primary" onclick="dashboard.updateWorkOrder(${workorder.id})" title="编辑">
                                <i class="fas fa-edit"></i>
                            </button>
                            <button class="btn btn-sm btn-outline-danger" onclick="dashboard.deleteWorkOrder(${workorder.id})" title="删除">
                                <i class="fas fa-trash"></i>
                            </button>
                        </div>
                    </div>
                </div>
            </div>
        `).join('');

        container.innerHTML = workordersHtml;
    }

    updateWorkOrderStatistics(workorders) {
        const stats = workorders.reduce((acc, wo) => {
            acc.total = (acc.total || 0) + 1;
            acc[wo.status] = (acc[wo.status] || 0) + 1;
            return acc;
        }, {});

        document.getElementById('workorders-total').textContent = stats.total || 0;
        document.getElementById('workorders-open').textContent = stats.open || 0;
        document.getElementById('workorders-progress').textContent = stats.in_progress || 0;
        document.getElementById('workorders-resolved').textContent = stats.resolved || 0;
    }

    async createWorkOrder() {
        const title = document.getElementById('wo-title').value.trim();
        const description = document.getElementById('wo-description').value.trim();
        const category = document.getElementById('wo-category').value;
        const priority = document.getElementById('wo-priority').value;

        if (!title || !description) {
            this.showNotification('请填写完整信息', 'warning');
            return;
        }

        try {
            const response = await fetch('/api/workorders', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json'
                },
                body: JSON.stringify({
                    title,
                    description,
                    category,
                    priority
                })
            });

            const data = await response.json();
            if (data.success) {
                this.showNotification('工单创建成功', 'success');
                bootstrap.Modal.getInstance(document.getElementById('createWorkOrderModal')).hide();
                document.getElementById('work-order-form').reset();
                // 立即刷新工单列表和统计
                await this.loadWorkOrders();
                await this.loadAnalytics();
            } else {
                this.showNotification('创建工单失败: ' + (data.error || '未知错误'), 'error');
            }
        } catch (error) {
            console.error('创建工单失败:', error);
            this.showNotification('创建工单失败', 'error');
        }
    }

    async viewWorkOrderDetails(workorderId) {
        try {
            const response = await fetch(`/api/workorders/${workorderId}`);
            const workorder = await response.json();
            
            if (workorder.error) {
                this.showNotification('获取工单详情失败', 'error');
                return;
            }
            
            this.showWorkOrderDetailsModal(workorder);
        } catch (error) {
            console.error('获取工单详情失败:', error);
            this.showNotification('获取工单详情失败', 'error');
        }
    }

    showWorkOrderDetailsModal(workorder) {
        // 创建模态框HTML
        const modalHtml = `
            <div class="modal fade" id="workOrderDetailsModal" tabindex="-1">
                <div class="modal-dialog modal-lg">
                    <div class="modal-content">
                        <div class="modal-header">
                            <h5 class="modal-title">工单详情 - ${workorder.order_id || workorder.id}</h5>
                            <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                        </div>
                        <div class="modal-body">
                            <div class="row mb-3">
                                <div class="col-md-6">
                                    <h6>基本信息</h6>
                                    <table class="table table-sm">
                                        <tr>
                                            <td><strong>工单号:</strong></td>
                                            <td>${workorder.order_id || workorder.id}</td>
                                        </tr>
                                        <tr>
                                            <td><strong>标题:</strong></td>
                                            <td>${workorder.title}</td>
                                        </tr>
                                        <tr>
                                            <td><strong>分类:</strong></td>
                                            <td>${workorder.category}</td>
                                        </tr>
                                        <tr>
                                            <td><strong>优先级:</strong></td>
                                            <td><span class="badge bg-${this.getPriorityColor(workorder.priority)}">${this.getPriorityText(workorder.priority)}</span></td>
                                        </tr>
                                        <tr>
                                            <td><strong>状态:</strong></td>
                                            <td><span class="badge bg-${this.getStatusColor(workorder.status)}">${this.getStatusText(workorder.status)}</span></td>
                                        </tr>
                                        <tr>
                                            <td><strong>创建时间:</strong></td>
                                            <td>${new Date(workorder.created_at).toLocaleString()}</td>
                                        </tr>
                                        <tr>
                                            <td><strong>更新时间:</strong></td>
                                            <td>${new Date(workorder.updated_at).toLocaleString()}</td>
                                        </tr>
                                    </table>
                                </div>
                                <div class="col-md-6">
                                    <h6>问题描述</h6>
                                    <div class="border p-3 rounded">
                                        ${workorder.title || '无问题描述'}
                                    </div>
                                    ${workorder.description ? `
                                        <h6 class="mt-3">处理过程</h6>
                                        <div class="border p-3 rounded bg-light">
                                            ${workorder.description}
                                        </div>
                                    ` : ''}
                                    ${workorder.resolution ? `
                                        <h6 class="mt-3">解决方案</h6>
                                        <div class="border p-3 rounded bg-light">
                                            ${workorder.resolution}
                                        </div>
                                    ` : ''}
                                    ${workorder.satisfaction_score ? `
                                        <h6 class="mt-3">满意度评分</h6>
                                        <div class="border p-3 rounded">
                                            <div class="progress">
                                                <div class="progress-bar" style="width: ${workorder.satisfaction_score * 100}%"></div>
                                            </div>
                                            <small class="text-muted">${workorder.satisfaction_score}/5.0</small>
                                        </div>
                                    ` : ''}
                                    <div class="ai-suggestion-section">
                                        <div class="ai-suggestion-header">
                                            <h6 class="ai-suggestion-title">
                                                <i class="fas fa-robot"></i>AI建议与人工描述
                                            </h6>
                                            <button class="generate-ai-btn" onclick="dashboard.generateAISuggestion(${workorder.id})">
                                                <i class="fas fa-magic me-1"></i>生成AI建议
                                            </button>
                                        </div>
                                        
                                        <div class="ai-suggestion-content">
                                            <label class="form-label fw-bold text-primary mb-2">
                                                <i class="fas fa-brain me-1"></i>AI建议
                                            </label>
                                            <textarea id="aiSuggestion_${workorder.id}" class="form-control" rows="4" placeholder="点击上方按钮生成AI建议..." readonly></textarea>
                                        </div>
                                        
                                        <div class="human-resolution-content">
                                            <label class="form-label fw-bold text-warning mb-2">
                                                <i class="fas fa-user-edit me-1"></i>人工描述
                                            </label>
                                            <textarea id="humanResolution_${workorder.id}" class="form-control" rows="3" placeholder="请填写人工处理描述..."></textarea>
                                        </div>
                                        
                                        <div class="similarity-indicator">
                                            <button class="save-human-btn" onclick="dashboard.saveHumanResolution(${workorder.id})">
                                                <i class="fas fa-save me-1"></i>保存人工描述并评估
                                            </button>
                                            <span id="aiSim_${workorder.id}" class="similarity-badge bg-secondary">
                                                <i class="fas fa-percentage"></i>相似度: --
                                            </span>
                                            <span id="aiApproved_${workorder.id}" class="status-badge pending">未审批</span>
                                        </div>
                                        
                                        <div class="action-buttons">
                                            <button id="approveBtn_${workorder.id}" class="approve-btn" onclick="dashboard.approveToKnowledge(${workorder.id})" disabled>
                                                <i class="fas fa-check me-1"></i>审批入库
                                            </button>
                                        </div>
                                    </div>
                                </div>
                            </div>
                            
                            ${workorder.conversations && workorder.conversations.length > 0 ? `
                                <h6>对话记录</h6>
                                <div class="conversation-history" style="max-height: 300px; overflow-y: auto;">
                                    ${workorder.conversations.map(conv => `
                                        <div class="border-bottom pb-2 mb-2">
                                            <div class="d-flex justify-content-between">
                                                <small class="text-muted">${new Date(conv.timestamp).toLocaleString()}</small>
                                            </div>
                                            <div class="mb-1">
                                                <strong>用户:</strong> ${conv.user_message}
                                            </div>
                                            <div>
                                                <strong>助手:</strong> ${conv.assistant_response}
                                            </div>
                                        </div>
                                    `).join('')}
                                </div>
                            ` : ''}
                        </div>
                        <div class="modal-footer">
                            <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">关闭</button>
                            <button type="button" class="btn btn-primary" onclick="dashboard.updateWorkOrder(${workorder.id})">编辑工单</button>
                        </div>
                    </div>
                </div>
            </div>
        `;
        
        // 移除已存在的模态框
        const existingModal = document.getElementById('workOrderDetailsModal');
        if (existingModal) {
            existingModal.remove();
        }
        
        // 添加新的模态框到页面
        document.body.insertAdjacentHTML('beforeend', modalHtml);
        
        // 显示模态框
        const modal = new bootstrap.Modal(document.getElementById('workOrderDetailsModal'));
        modal.show();
        
        // 模态框关闭时移除DOM元素
        document.getElementById('workOrderDetailsModal').addEventListener('hidden.bs.modal', function() {
            this.remove();
        });
    }

    async updateWorkOrder(workorderId) {
        try {
            // 获取工单详情
            const response = await fetch(`/api/workorders/${workorderId}`);
            const workorder = await response.json();
            
            if (workorder.id) {
                this.showEditWorkOrderModal(workorder);
            } else {
                throw new Error(workorder.error || '获取工单详情失败');
            }
        } catch (error) {
            console.error('获取工单详情失败:', error);
            this.showNotification('获取工单详情失败: ' + error.message, 'error');
        }
    }

    async deleteWorkOrder(workorderId) {
        console.log('deleteWorkOrder called with ID:', workorderId);
        
        if (!confirm('确定要删除这个工单吗？此操作不可撤销。')) {
            console.log('用户取消了删除操作');
            return;
        }

        try {
            console.log('发送删除请求到:', `/api/workorders/${workorderId}`);
            const response = await fetch(`/api/workorders/${workorderId}`, {
                method: 'DELETE'
            });

            console.log('删除响应状态:', response.status);
            const data = await response.json();
            console.log('删除响应数据:', data);
            
            if (data.success) {
                this.showNotification('工单删除成功', 'success');
                // 立即刷新工单列表和统计
                await this.loadWorkOrders();
                await this.loadAnalytics();
            } else {
                this.showNotification('删除工单失败: ' + (data.error || '未知错误'), 'error');
            }
        } catch (error) {
            console.error('删除工单失败:', error);
            this.showNotification('删除工单失败: ' + error.message, 'error');
        }
    }

    showEditWorkOrderModal(workorder) {
        // 创建编辑工单模态框
        const modalHtml = `
            <div class="modal fade" id="editWorkOrderModal" tabindex="-1" aria-labelledby="editWorkOrderModalLabel" aria-hidden="true">
                <div class="modal-dialog modal-lg">
                    <div class="modal-content">
                        <div class="modal-header">
                            <h5 class="modal-title" id="editWorkOrderModalLabel">编辑工单 #${workorder.id}</h5>
                            <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                        </div>
                        <div class="modal-body">
                            <form id="editWorkOrderForm">
                                <div class="row">
                                    <div class="col-md-8">
                                        <div class="mb-3">
                                            <label for="editTitle" class="form-label">标题 *</label>
                                            <input type="text" class="form-control" id="editTitle" value="${workorder.title}" required>
                                        </div>
                                    </div>
                                    <div class="col-md-4">
                                        <div class="mb-3">
                                            <label for="editPriority" class="form-label">优先级</label>
                                            <select class="form-select" id="editPriority">
                                                <option value="low" ${workorder.priority === 'low' ? 'selected' : ''}>低</option>
                                                <option value="medium" ${workorder.priority === 'medium' ? 'selected' : ''}>中</option>
                                                <option value="high" ${workorder.priority === 'high' ? 'selected' : ''}>高</option>
                                                <option value="urgent" ${workorder.priority === 'urgent' ? 'selected' : ''}>紧急</option>
                                            </select>
                                        </div>
                                    </div>
                                </div>
                                
                                <div class="row">
                                    <div class="col-md-6">
                                        <div class="mb-3">
                                            <label for="editCategory" class="form-label">分类</label>
                                            <select class="form-select" id="editCategory">
                                                <option value="技术问题" ${workorder.category === '技术问题' ? 'selected' : ''}>技术问题</option>
                                                <option value="业务问题" ${workorder.category === '业务问题' ? 'selected' : ''}>业务问题</option>
                                                <option value="系统故障" ${workorder.category === '系统故障' ? 'selected' : ''}>系统故障</option>
                                                <option value="功能需求" ${workorder.category === '功能需求' ? 'selected' : ''}>功能需求</option>
                                                <option value="其他" ${workorder.category === '其他' ? 'selected' : ''}>其他</option>
                                            </select>
                                        </div>
                                    </div>
                                    <div class="col-md-6">
                                        <div class="mb-3">
                                            <label for="editStatus" class="form-label">状态</label>
                                            <select class="form-select" id="editStatus">
                                                <option value="open" ${workorder.status === 'open' ? 'selected' : ''}>待处理</option>
                                                <option value="in_progress" ${workorder.status === 'in_progress' ? 'selected' : ''}>处理中</option>
                                                <option value="resolved" ${workorder.status === 'resolved' ? 'selected' : ''}>已解决</option>
                                                <option value="closed" ${workorder.status === 'closed' ? 'selected' : ''}>已关闭</option>
                                            </select>
                                        </div>
                                    </div>
                                </div>
                                
                                <div class="mb-3">
                                    <label for="editDescription" class="form-label">处理过程 *</label>
                                    <textarea class="form-control" id="editDescription" rows="4" required>${workorder.description}</textarea>
                                </div>
                                
                                <div class="mb-3">
                                    <label for="editResolution" class="form-label">解决方案</label>
                                    <textarea class="form-control" id="editResolution" rows="3" placeholder="请输入解决方案...">${workorder.resolution || ''}</textarea>
                                </div>
                                
                                <div class="row">
                                    <div class="col-md-6">
                                        <div class="mb-3">
                                            <label for="editSatisfactionScore" class="form-label">满意度评分 (1-5)</label>
                                            <input type="number" class="form-control" id="editSatisfactionScore" min="1" max="5" value="${workorder.satisfaction_score || ''}">
                                        </div>
                                    </div>
                                </div>
                            </form>
                        </div>
                        <div class="modal-footer">
                            <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">取消</button>
                            <button type="button" class="btn btn-primary" onclick="dashboard.saveWorkOrder(${workorder.id})">保存修改</button>
                        </div>
                    </div>
                </div>
            </div>
        `;
        
        // 移除已存在的模态框
        const existingModal = document.getElementById('editWorkOrderModal');
        if (existingModal) {
            existingModal.remove();
        }
        
        // 添加新模态框到页面
        document.body.insertAdjacentHTML('beforeend', modalHtml);
        
        // 显示模态框
        const modal = new bootstrap.Modal(document.getElementById('editWorkOrderModal'));
        modal.show();
        
        // 模态框关闭时清理
        document.getElementById('editWorkOrderModal').addEventListener('hidden.bs.modal', function() {
            this.remove();
        });
    }

    async saveWorkOrder(workorderId) {
        try {
            // 获取表单数据
            const formData = {
                title: document.getElementById('editTitle').value,
                description: document.getElementById('editDescription').value,
                category: document.getElementById('editCategory').value,
                priority: document.getElementById('editPriority').value,
                status: document.getElementById('editStatus').value,
                resolution: document.getElementById('editResolution').value,
                satisfaction_score: parseInt(document.getElementById('editSatisfactionScore').value) || null
            };
            
            // 验证必填字段
            if (!formData.title.trim() || !formData.description.trim()) {
                this.showNotification('标题和描述不能为空', 'error');
                return;
            }
            
            // 发送更新请求
            const response = await fetch(`/api/workorders/${workorderId}`, {
                method: 'PUT',
                headers: {
                    'Content-Type': 'application/json',
                },
                body: JSON.stringify(formData)
            });
            
            const result = await response.json();
            
            if (result.success) {
                this.showNotification('工单更新成功', 'success');
                // 关闭模态框
                const modal = bootstrap.Modal.getInstance(document.getElementById('editWorkOrderModal'));
                modal.hide();
                // 刷新工单列表和统计
                await this.loadWorkOrders();
                await this.loadAnalytics();
            } else {
                throw new Error(result.error || '更新工单失败');
            }
        } catch (error) {
            console.error('更新工单失败:', error);
            this.showNotification('更新工单失败: ' + error.message, 'error');
        }
    }

    // 工单导入功能
    showImportModal() {
        // 显示导入模态框
        const modal = new bootstrap.Modal(document.getElementById('importWorkOrderModal'));
        modal.show();
        
        // 重置表单
        document.getElementById('excel-file-input').value = '';
        document.getElementById('import-progress').classList.add('d-none');
        document.getElementById('import-result').classList.add('d-none');
    }

    async downloadTemplate() {
        try {
            // 直接请求文件接口，避免浏览器跨源/权限限制
            const resp = await fetch('/api/workorders/import/template/file');
            if (!resp.ok) throw new Error('下载接口返回错误');
            const blob = await resp.blob();
            const blobUrl = window.URL.createObjectURL(blob);
            const a = document.createElement('a');
            a.href = blobUrl;
            a.download = '工单导入模板.xlsx';
            document.body.appendChild(a);
            a.click();
            document.body.removeChild(a);
            window.URL.revokeObjectURL(blobUrl);
            this.showNotification('模板下载成功', 'success');
        } catch (error) {
            console.error('下载模板失败:', error);
            this.showNotification('下载模板失败: ' + error.message, 'error');
        }
    }

    async importWorkOrders() {
        const fileInput = document.getElementById('excel-file-input');
        const file = fileInput.files[0];
        
        if (!file) {
            this.showNotification('请选择要导入的Excel文件', 'error');
            return;
        }
        
        // 验证文件类型
        if (!file.name.match(/\.(xlsx|xls)$/)) {
            this.showNotification('只支持Excel文件(.xlsx, .xls)', 'error');
            return;
        }
        
        // 验证文件大小
        if (file.size > 16 * 1024 * 1024) {
            this.showNotification('文件大小不能超过16MB', 'error');
            return;
        }
        
        // 显示进度条
        document.getElementById('import-progress').classList.remove('d-none');
        document.getElementById('import-result').classList.add('d-none');
        
        try {
            // 创建FormData
            const formData = new FormData();
            formData.append('file', file);
            
            // 发送导入请求
            const response = await fetch('/api/workorders/import', {
                method: 'POST',
                body: formData
            });
            
            const result = await response.json();
            
            if (result.success) {
                // 显示成功消息
                document.getElementById('import-progress').classList.add('d-none');
                document.getElementById('import-result').classList.remove('d-none');
                document.getElementById('import-success-message').textContent = 
                    `成功导入 ${result.imported_count} 个工单`;
                
                this.showNotification(result.message, 'success');
                
                // 刷新工单列表
                this.loadWorkOrders();
                
                // 3秒后关闭模态框
                setTimeout(() => {
                    const modal = bootstrap.Modal.getInstance(document.getElementById('importWorkOrderModal'));
                    modal.hide();
                }, 3000);
                
            } else {
                throw new Error(result.error || '导入工单失败');
            }
            
        } catch (error) {
            console.error('导入工单失败:', error);
            document.getElementById('import-progress').classList.add('d-none');
            this.showNotification('导入工单失败: ' + error.message, 'error');
        }
    }

    // 对话历史管理
    async loadConversationHistory(page = 1, perPage = 10) {
        try {
            const response = await fetch(`/api/conversations?page=${page}&per_page=${perPage}`);
            const data = await response.json();
            
            if (data.success) {
                this.renderConversationList(data.conversations || []);
                this.renderConversationPagination(data.pagination || {});
                this.updateConversationStats(data.stats || {});
            } else {
                throw new Error(data.error || '加载对话历史失败');
            }
        } catch (error) {
            console.error('加载对话历史失败:', error);
            this.showNotification('加载对话历史失败: ' + error.message, 'error');
        }
    }

    renderConversationList(conversations) {
        const container = document.getElementById('conversation-list');
        if (!conversations || conversations.length === 0) {
            container.innerHTML = `
                <div class="empty-state">
                    <i class="fas fa-comments"></i>
                    <p>暂无对话记录</p>
                </div>
            `;
            return;
        }

        const html = conversations.map(conv => `
            <div class="card mb-3 conversation-item" data-conversation-id="${conv.id}">
                <div class="card-body">
                    <div class="d-flex justify-content-between align-items-start mb-2">
                        <div>
                            <h6 class="mb-1">用户: ${conv.user_id || '匿名'}</h6>
                            <small class="text-muted">${new Date(conv.timestamp).toLocaleString()}</small>
                        </div>
                        <div class="btn-group btn-group-sm">
                            <button class="btn btn-outline-primary" onclick="dashboard.viewConversation(${conv.id})">
                                <i class="fas fa-eye"></i>
                            </button>
                            <button class="btn btn-outline-danger" onclick="dashboard.deleteConversation(${conv.id})">
                                <i class="fas fa-trash"></i>
                            </button>
                        </div>
                    </div>
                    <div class="conversation-preview">
                        <p class="mb-1"><strong>用户:</strong> ${conv.user_message?.substring(0, 100)}${conv.user_message?.length > 100 ? '...' : ''}</p>
                        <p class="mb-0"><strong>助手:</strong> ${conv.assistant_response?.substring(0, 100)}${conv.assistant_response?.length > 100 ? '...' : ''}</p>
                    </div>
                    <div class="mt-2">
                        <span class="badge bg-secondary">响应时间: ${conv.response_time || 0}ms</span>
                        ${conv.work_order_id ? `<span class="badge bg-info">工单: ${conv.work_order_id}</span>` : ''}
                    </div>
                </div>
            </div>
        `).join('');

        container.innerHTML = html;
    }

    renderConversationPagination(pagination) {
        const container = document.getElementById('conversation-pagination');
        if (!pagination || !pagination.total_pages || pagination.total_pages <= 1) {
            container.innerHTML = '';
            return;
        }

        const currentPage = pagination.current_page || 1;
        const totalPages = pagination.total_pages;
        
        let html = '<nav><ul class="pagination justify-content-center">';
        
        // 上一页
        if (currentPage > 1) {
            html += `<li class="page-item"><a class="page-link" href="#" onclick="dashboard.loadConversationHistory(${currentPage - 1})">上一页</a></li>`;
        }
        
        // 页码
        for (let i = Math.max(1, currentPage - 2); i <= Math.min(totalPages, currentPage + 2); i++) {
            const activeClass = i === currentPage ? 'active' : '';
            html += `<li class="page-item ${activeClass}"><a class="page-link" href="#" onclick="dashboard.loadConversationHistory(${i})">${i}</a></li>`;
        }
        
        // 下一页
        if (currentPage < totalPages) {
            html += `<li class="page-item"><a class="page-link" href="#" onclick="dashboard.loadConversationHistory(${currentPage + 1})">下一页</a></li>`;
        }
        
        html += '</ul></nav>';
        container.innerHTML = html;
    }

    updateConversationStats(stats) {
        document.getElementById('conversation-total').textContent = stats.total || 0;
        document.getElementById('conversation-today').textContent = stats.today || 0;
        document.getElementById('conversation-avg-response').textContent = `${stats.avg_response_time || 0}ms`;
        document.getElementById('conversation-active-users').textContent = stats.active_users || 0;
    }

    async refreshConversationHistory() {
        // 先尝试触发一次合并迁移（幂等，重复调用也安全）
        try {
            await fetch('/api/conversations/migrate-merge', { method: 'POST' });
        } catch (e) { /* 忽略迁移失败 */ }
        await this.loadConversationHistory();
        this.showNotification('对话历史已刷新', 'success');
    }

    async clearAllConversations() {
        if (!confirm('确定要清空所有对话历史吗？此操作不可恢复！')) {
            return;
        }

        try {
            const response = await fetch('/api/conversations/clear', { method: 'DELETE' });
            const data = await response.json();
            
            if (data.success) {
                this.showNotification('对话历史已清空', 'success');
                await this.loadConversationHistory();
            } else {
                throw new Error(data.error || '清空对话历史失败');
            }
        } catch (error) {
            console.error('清空对话历史失败:', error);
            this.showNotification('清空对话历史失败: ' + error.message, 'error');
        }
    }

    async deleteConversation(conversationId) {
        if (!confirm('确定要删除这条对话记录吗？')) {
            return;
        }

        try {
            const response = await fetch(`/api/conversations/${conversationId}`, { method: 'DELETE' });
            const data = await response.json();
            
            if (data.success) {
                this.showNotification('对话记录已删除', 'success');
                await this.loadConversationHistory();
            } else {
                throw new Error(data.error || '删除对话记录失败');
            }
        } catch (error) {
            console.error('删除对话记录失败:', error);
            this.showNotification('删除对话记录失败: ' + error.message, 'error');
        }
    }

    async viewConversation(conversationId) {
        try {
            const response = await fetch(`/api/conversations/${conversationId}`);
            const data = await response.json();
            
            if (data.success) {
                data.user_id = data.user_id || '匿名';
                this.showConversationModal(data);
            } else {
                throw new Error(data.error || '获取对话详情失败');
            }
        } catch (error) {
            console.error('获取对话详情失败:', error);
            this.showNotification('获取对话详情失败: ' + error.message, 'error');
        }
    }

    showConversationModal(conversation) {
        const modalHtml = `
            <div class="modal fade" id="conversationModal" tabindex="-1">
                <div class="modal-dialog modal-lg">
                    <div class="modal-content">
                        <div class="modal-header">
                            <h5 class="modal-title">对话详情</h5>
                            <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                        </div>
                        <div class="modal-body">
                            <div class="mb-3">
                                <strong>用户:</strong> ${conversation.user_id || '匿名'}<br>
                                <strong>时间:</strong> ${new Date(conversation.timestamp).toLocaleString()}<br>
                                <strong>响应时间:</strong> ${conversation.response_time || 0}ms
                            </div>
                            <div class="mb-3">
                                <h6>用户消息:</h6>
                                <div class="border p-3 rounded">${conversation.user_message || ''}</div>
                            </div>
                            <div class="mb-3">
                                <h6>助手回复:</h6>
                                <div class="border p-3 rounded">${conversation.assistant_response || ''}</div>
                            </div>
                        </div>
                        <div class="modal-footer">
                            <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">关闭</button>
                        </div>
                    </div>
                </div>
            </div>
        `;
        
        // 移除已存在的模态框
        const existingModal = document.getElementById('conversationModal');
        if (existingModal) {
            existingModal.remove();
        }
        
        // 添加新模态框
        document.body.insertAdjacentHTML('beforeend', modalHtml);
        
        // 显示模态框
        const modal = new bootstrap.Modal(document.getElementById('conversationModal'));
        modal.show();
    }

    async filterConversations() {
        const search = document.getElementById('conversation-search').value;
        const userFilter = document.getElementById('conversation-user-filter').value;
        const dateFilter = document.getElementById('conversation-date-filter').value;
        
        try {
            const params = new URLSearchParams();
            if (search) params.append('search', search);
            if (userFilter) params.append('user_id', userFilter);
            if (dateFilter) params.append('date_filter', dateFilter);
            
            const response = await fetch(`/api/conversations?${params.toString()}`);
            const data = await response.json();
            
            if (data.success) {
                this.renderConversationList(data.conversations || []);
                this.renderConversationPagination(data.pagination || {});
            } else {
                throw new Error(data.error || '筛选对话失败');
            }
        } catch (error) {
            console.error('筛选对话失败:', error);
            this.showNotification('筛选对话失败: ' + error.message, 'error');
        }
    }

    // Token监控
    async loadTokenMonitor() {
        try {
            const response = await fetch('/api/token-monitor/stats');
            const data = await response.json();
            
            if (data.success) {
                this.updateTokenStats(data);
                this.loadTokenChart();
                this.loadTokenRecords();
            } else {
                throw new Error(data.error || '加载Token监控数据失败');
            }
        } catch (error) {
            console.error('加载Token监控数据失败:', error);
            this.showNotification('加载Token监控数据失败: ' + error.message, 'error');
        }
    }

    updateTokenStats(stats) {
        document.getElementById('token-today').textContent = stats.today_tokens || 0;
        document.getElementById('token-month').textContent = stats.month_tokens || 0;
        document.getElementById('token-cost').textContent = `¥${stats.total_cost || 0}`;
        document.getElementById('token-budget').textContent = `¥${stats.budget_limit || 1000}`;
    }

    async loadTokenChart() {
        try {
            const response = await fetch('/api/token-monitor/chart');
            const data = await response.json();
            
            if (data.success) {
                this.renderTokenChart(data);
            }
        } catch (error) {
            console.error('加载Token图表失败:', error);
        }
    }

    renderTokenChart(data) {
        const ctx = document.getElementById('tokenChart').getContext('2d');
        
        if (this.charts.tokenChart) {
            this.charts.tokenChart.destroy();
        }
        
        this.charts.tokenChart = new Chart(ctx, {
            type: 'line',
            data: {
                labels: data.labels || [],
                datasets: [{
                    label: 'Token消耗',
                    data: data.tokens || [],
                    borderColor: '#007bff',
                    backgroundColor: 'rgba(0, 123, 255, 0.1)',
                    tension: 0.4
                }, {
                    label: '成本',
                    data: data.costs || [],
                    borderColor: '#28a745',
                    backgroundColor: 'rgba(40, 167, 69, 0.1)',
                    tension: 0.4,
                    yAxisID: 'y1'
                }]
            },
            options: {
                responsive: true,
                maintainAspectRatio: false,
                scales: {
                    y: {
                        type: 'linear',
                        display: true,
                        position: 'left',
                        title: {
                            display: true,
                            text: 'Token数量'
                        }
                    },
                    y1: {
                        type: 'linear',
                        display: true,
                        position: 'right',
                        title: {
                            display: true,
                            text: '成本 (元)'
                        },
                        grid: {
                            drawOnChartArea: false,
                        },
                    }
                }
            }
        });
    }

    async loadTokenRecords() {
        try {
            const response = await fetch('/api/token-monitor/records');
            const data = await response.json();
            
            if (data.success) {
                this.renderTokenRecords(data.records || []);
            }
        } catch (error) {
            console.error('加载Token记录失败:', error);
        }
    }

    renderTokenRecords(records) {
        const tbody = document.getElementById('token-records');
        
        if (!records || records.length === 0) {
            tbody.innerHTML = `
                <tr>
                    <td colspan="8" class="text-center text-muted">暂无记录</td>
                </tr>
            `;
            return;
        }

        const html = records.map(record => `
            <tr>
                <td>${new Date(record.timestamp).toLocaleString()}</td>
                <td>${record.user_id || '匿名'}</td>
                <td>${record.model || 'qwen-turbo'}</td>
                <td>${record.input_tokens || 0}</td>
                <td>${record.output_tokens || 0}</td>
                <td>${record.total_tokens || 0}</td>
                <td>¥${record.cost || 0}</td>
                <td>${record.response_time || 0}ms</td>
            </tr>
        `).join('');

        tbody.innerHTML = html;
    }

    async saveTokenSettings() {
        const dailyThreshold = document.getElementById('daily-threshold').value;
        const monthlyBudget = document.getElementById('monthly-budget').value;
        const enableAlerts = document.getElementById('enable-alerts').checked;

        try {
            const response = await fetch('/api/token-monitor/settings', {
                method: 'POST',
                headers: { 'Content-Type': 'application/json' },
                body: JSON.stringify({
                    daily_threshold: parseInt(dailyThreshold),
                    monthly_budget: parseFloat(monthlyBudget),
                    enable_alerts: enableAlerts
                })
            });
            
            const data = await response.json();
            
            if (data.success) {
                this.showNotification('Token设置已保存', 'success');
            } else {
                throw new Error(data.error || '保存Token设置失败');
            }
        } catch (error) {
            console.error('保存Token设置失败:', error);
            this.showNotification('保存Token设置失败: ' + error.message, 'error');
        }
    }

    async updateTokenChart(period) {
        // 更新按钮状态
        document.querySelectorAll('#tokenChart').forEach(btn => {
            btn.classList.remove('active');
        });
        event.target.classList.add('active');
        
        try {
            const response = await fetch(`/api/token-monitor/chart?period=${period}`);
            const data = await response.json();
            
            if (data.success) {
                this.renderTokenChart(data);
            }
        } catch (error) {
            console.error('更新Token图表失败:', error);
        }
    }

    async exportTokenData() {
        try {
            const response = await fetch('/api/token-monitor/export');
            const blob = await response.blob();
            const url = window.URL.createObjectURL(blob);
            const a = document.createElement('a');
            a.href = url;
            a.download = 'token_usage_data.xlsx';
            document.body.appendChild(a);
            a.click();
            document.body.removeChild(a);
            window.URL.revokeObjectURL(url);
            this.showNotification('Token数据导出成功', 'success');
        } catch (error) {
            console.error('导出Token数据失败:', error);
            this.showNotification('导出Token数据失败: ' + error.message, 'error');
        }
    }

    async refreshTokenData() {
        await this.loadTokenMonitor();
        this.showNotification('Token数据已刷新', 'success');
    }

    // AI监控
    async loadAIMonitor() {
        try {
            const response = await fetch('/api/ai-monitor/stats');
            const data = await response.json();
            
            if (data.success) {
                this.updateAIStats(data);
                this.loadModelComparisonChart();
                this.loadErrorDistributionChart();
                this.loadErrorLog();
            } else {
                throw new Error(data.error || '加载AI监控数据失败');
            }
        } catch (error) {
            console.error('加载AI监控数据失败:', error);
            this.showNotification('加载AI监控数据失败: ' + error.message, 'error');
        }
    }

    updateAIStats(stats) {
        document.getElementById('ai-success-rate').textContent = `${stats.success_rate || 0}%`;
        document.getElementById('ai-response-time').textContent = `${stats.avg_response_time || 0}ms`;
        document.getElementById('ai-error-rate').textContent = `${stats.error_rate || 0}%`;
        document.getElementById('ai-total-calls').textContent = stats.total_calls || 0;
    }

    async loadModelComparisonChart() {
        try {
            const response = await fetch('/api/ai-monitor/model-comparison');
            const data = await response.json();
            
            if (data.success) {
                this.renderModelComparisonChart(data);
            }
        } catch (error) {
            console.error('加载模型对比图表失败:', error);
        }
    }

    renderModelComparisonChart(data) {
        const ctx = document.getElementById('modelComparisonChart').getContext('2d');
        
        if (this.charts.modelComparisonChart) {
            this.charts.modelComparisonChart.destroy();
        }
        
        this.charts.modelComparisonChart = new Chart(ctx, {
            type: 'bar',
            data: {
                labels: data.models || [],
                datasets: [{
                    label: '成功率 (%)',
                    data: data.success_rates || [],
                    backgroundColor: 'rgba(40, 167, 69, 0.8)'
                }, {
                    label: '平均响应时间 (ms)',
                    data: data.response_times || [],
                    backgroundColor: 'rgba(255, 193, 7, 0.8)',
                    yAxisID: 'y1'
                }]
            },
            options: {
                responsive: true,
                maintainAspectRatio: false,
                scales: {
                    y: {
                        type: 'linear',
                        display: true,
                        position: 'left',
                        title: {
                            display: true,
                            text: '成功率 (%)'
                        }
                    },
                    y1: {
                        type: 'linear',
                        display: true,
                        position: 'right',
                        title: {
                            display: true,
                            text: '响应时间 (ms)'
                        },
                        grid: {
                            drawOnChartArea: false,
                        },
                    }
                }
            }
        });
    }

    async loadErrorDistributionChart() {
        try {
            const response = await fetch('/api/ai-monitor/error-distribution');
            const data = await response.json();
            
            if (data.success) {
                this.renderErrorDistributionChart(data);
            }
        } catch (error) {
            console.error('加载错误分布图表失败:', error);
        }
    }

    renderErrorDistributionChart(data) {
        const ctx = document.getElementById('errorDistributionChart').getContext('2d');
        
        if (this.charts.errorDistributionChart) {
            this.charts.errorDistributionChart.destroy();
        }
        
        this.charts.errorDistributionChart = new Chart(ctx, {
            type: 'doughnut',
            data: {
                labels: data.error_types || [],
                datasets: [{
                    data: data.counts || [],
                    backgroundColor: [
                        '#dc3545',
                        '#fd7e14',
                        '#ffc107',
                        '#17a2b8',
                        '#6c757d'
                    ]
                }]
            },
            options: {
                responsive: true,
                maintainAspectRatio: false,
                plugins: {
                    legend: {
                        position: 'bottom'
                    }
                }
            }
        });
    }

    async loadErrorLog() {
        try {
            const response = await fetch('/api/ai-monitor/error-log');
            const data = await response.json();
            
            if (data.success) {
                this.renderErrorLog(data.errors || []);
            }
        } catch (error) {
            console.error('加载错误日志失败:', error);
        }
    }

    renderErrorLog(errors) {
        const tbody = document.getElementById('error-log');
        
        if (!errors || errors.length === 0) {
            tbody.innerHTML = `
                <tr>
                    <td colspan="6" class="text-center text-muted">暂无错误记录</td>
                </tr>
            `;
            return;
        }

        const html = errors.map(error => `
            <tr>
                <td>${new Date(error.timestamp).toLocaleString()}</td>
                <td><span class="badge bg-danger">${error.error_type || '未知'}</span></td>
                <td>${error.error_message || ''}</td>
                <td>${error.model || 'qwen-turbo'}</td>
                <td>${error.user_id || '匿名'}</td>
                <td>
                    <button class="btn btn-outline-primary btn-sm" onclick="dashboard.viewErrorDetail(${error.id})">
                        <i class="fas fa-eye"></i>
                    </button>
                </td>
            </tr>
        `).join('');

        tbody.innerHTML = html;
    }

    async refreshErrorLog() {
        await this.loadErrorLog();
        this.showNotification('错误日志已刷新', 'success');
    }

    async clearErrorLog() {
        if (!confirm('确定要清空错误日志吗？')) {
            return;
        }

        try {
            const response = await fetch('/api/ai-monitor/error-log', { method: 'DELETE' });
            const data = await response.json();
            
            if (data.success) {
                this.showNotification('错误日志已清空', 'success');
                await this.loadErrorLog();
            } else {
                throw new Error(data.error || '清空错误日志失败');
            }
        } catch (error) {
            console.error('清空错误日志失败:', error);
            this.showNotification('清空错误日志失败: ' + error.message, 'error');
        }
    }

    // 系统优化
    async loadSystemOptimizer() {
        try {
            const response = await fetch('/api/system-optimizer/status');
            const data = await response.json();
            
            if (data.success) {
                this.updateSystemStats(data);
                this.loadSecuritySettings();
                this.loadTrafficSettings();
                this.loadCostSettings();
            } else {
                throw new Error(data.error || '加载系统优化数据失败');
            }
        } catch (error) {
            console.error('加载系统优化数据失败:', error);
            this.showNotification('加载系统优化数据失败: ' + error.message, 'error');
        }
    }

    updateSystemStats(stats) {
        document.getElementById('cpu-usage').textContent = `${stats.cpu_usage || 0}%`;
        document.getElementById('memory-usage-percent').textContent = `${stats.memory_usage || 0}%`;
        document.getElementById('disk-usage').textContent = `${stats.disk_usage || 0}%`;
        document.getElementById('network-latency').textContent = `${stats.network_latency || 0}ms`;
        
        // 更新健康指标
        this.updateHealthIndicator('system-health-indicator', stats.system_health || 95);
        this.updateHealthIndicator('database-health-indicator', stats.database_health || 98);
        this.updateHealthIndicator('api-health-indicator', stats.api_health || 92);
        this.updateHealthIndicator('cache-health-indicator', stats.cache_health || 99);
        
        document.getElementById('system-health-score').textContent = `${stats.system_health || 95}%`;
        document.getElementById('database-health-score').textContent = `${stats.database_health || 98}%`;
        document.getElementById('api-health-score').textContent = `${stats.api_health || 92}%`;
        document.getElementById('cache-health-score').textContent = `${stats.cache_health || 99}%`;
    }

    updateHealthIndicator(elementId, score) {
        const element = document.getElementById(elementId);
        if (!element) return;
        
        element.className = 'health-dot';
        if (score >= 95) element.classList.add('excellent');
        else if (score >= 85) element.classList.add('good');
        else if (score >= 70) element.classList.add('fair');
        else if (score >= 50) element.classList.add('poor');
        else element.classList.add('critical');
    }

    async optimizeCPU() {
        try {
            const response = await fetch('/api/system-optimizer/optimize-cpu', { method: 'POST' });
            const data = await response.json();
            
            if (data.success) {
                this.showNotification(data.message || 'CPU优化完成', 'success');
                this.updateOptimizationProgress('cpu-optimization', data.progress || 100);
                // 刷新状态并回落进度条
                await this.loadSystemOptimizer();
                setTimeout(() => this.updateOptimizationProgress('cpu-optimization', 0), 1500);
            } else {
                throw new Error(data.error || 'CPU优化失败');
            }
        } catch (error) {
            console.error('CPU优化失败:', error);
            this.showNotification('CPU优化失败: ' + error.message, 'error');
        }
    }

    async optimizeMemory() {
        try {
            const response = await fetch('/api/system-optimizer/optimize-memory', { method: 'POST' });
            const data = await response.json();
            
            if (data.success) {
                this.showNotification(data.message || '内存优化完成', 'success');
                this.updateOptimizationProgress('memory-optimization', data.progress || 100);
                await this.loadSystemOptimizer();
                setTimeout(() => this.updateOptimizationProgress('memory-optimization', 0), 1500);
            } else {
                throw new Error(data.error || '内存优化失败');
            }
        } catch (error) {
            console.error('内存优化失败:', error);
            this.showNotification('内存优化失败: ' + error.message, 'error');
        }
    }

    async optimizeDisk() {
        try {
            const response = await fetch('/api/system-optimizer/optimize-disk', { method: 'POST' });
            const data = await response.json();
            
            if (data.success) {
                this.showNotification(data.message || '磁盘优化完成', 'success');
                this.updateOptimizationProgress('disk-optimization', data.progress || 100);
                await this.loadSystemOptimizer();
                setTimeout(() => this.updateOptimizationProgress('disk-optimization', 0), 1500);
            } else {
                throw new Error(data.error || '磁盘优化失败');
            }
        } catch (error) {
            console.error('磁盘优化失败:', error);
            this.showNotification('磁盘优化失败: ' + error.message, 'error');
        }
    }

    updateOptimizationProgress(elementId, progress) {
        const element = document.getElementById(elementId);
        if (element) {
            element.style.width = `${progress}%`;
        }
    }

    async saveSecuritySettings() {
        const settings = {
            input_validation: document.getElementById('input-validation').checked,
            rate_limiting: document.getElementById('rate-limiting').checked,
            sql_injection_protection: document.getElementById('sql-injection-protection').checked,
            xss_protection: document.getElementById('xss-protection').checked
        };

        try {
            const response = await fetch('/api/system-optimizer/security-settings', {
                method: 'POST',
                headers: { 'Content-Type': 'application/json' },
                body: JSON.stringify(settings)
            });
            
            const data = await response.json();
            
            if (data.success) {
                this.showNotification('安全设置已保存', 'success');
            } else {
                throw new Error(data.error || '保存安全设置失败');
            }
        } catch (error) {
            console.error('保存安全设置失败:', error);
            this.showNotification('保存安全设置失败: ' + error.message, 'error');
        }
    }

    async saveTrafficSettings() {
        const settings = {
            request_limit: parseInt(document.getElementById('request-limit').value),
            concurrent_limit: parseInt(document.getElementById('concurrent-limit').value),
            ip_whitelist: document.getElementById('ip-whitelist').value.split('\n').filter(ip => ip.trim())
        };

        try {
            const response = await fetch('/api/system-optimizer/traffic-settings', {
                method: 'POST',
                headers: { 'Content-Type': 'application/json' },
                body: JSON.stringify(settings)
            });
            
            const data = await response.json();
            
            if (data.success) {
                this.showNotification('流量设置已保存', 'success');
            } else {
                throw new Error(data.error || '保存流量设置失败');
            }
        } catch (error) {
            console.error('保存流量设置失败:', error);
            this.showNotification('保存流量设置失败: ' + error.message, 'error');
        }
    }

    async saveCostSettings() {
        const settings = {
            monthly_budget_limit: parseFloat(document.getElementById('monthly-budget-limit').value),
            per_call_cost_limit: parseFloat(document.getElementById('per-call-cost-limit').value),
            auto_cost_control: document.getElementById('auto-cost-control').checked
        };

        try {
            const response = await fetch('/api/system-optimizer/cost-settings', {
                method: 'POST',
                headers: { 'Content-Type': 'application/json' },
                body: JSON.stringify(settings)
            });
            
            const data = await response.json();
            
            if (data.success) {
                this.showNotification('成本设置已保存', 'success');
            } else {
                throw new Error(data.error || '保存成本设置失败');
            }
        } catch (error) {
            console.error('保存成本设置失败:', error);
            this.showNotification('保存成本设置失败: ' + error.message, 'error');
        }
    }

    async runHealthCheck() {
        try {
            const response = await fetch('/api/system-optimizer/health-check', { method: 'POST' });
            const data = await response.json();
            
            if (data.success) {
                this.showNotification('健康检查完成', 'success');
                this.updateSystemStats(data);
            } else {
                throw new Error(data.error || '健康检查失败');
            }
        } catch (error) {
            console.error('健康检查失败:', error);
            this.showNotification('健康检查失败: ' + error.message, 'error');
        }
    }

    async refreshSystemStatus() {
        await this.loadSystemOptimizer();
        this.showNotification('系统状态已刷新', 'success');
    }

    async clearCache() {
        try {
            const response = await fetch('/api/system-optimizer/clear-cache', { method: 'POST' });
            const data = await response.json();
            if (data.success) {
                this.showNotification(data.message || '缓存已清理', 'success');
                await this.loadSystemOptimizer();
            } else {
                throw new Error(data.error || '清理缓存失败');
            }
        } catch (error) {
            console.error('清理缓存失败:', error);
            this.showNotification('清理缓存失败: ' + error.message, 'error');
        }
    }

    async optimizeAll() {
        try {
            const response = await fetch('/api/system-optimizer/optimize-all', { method: 'POST' });
            const data = await response.json();
            if (data.success) {
                this.showNotification(data.message || '一键优化完成', 'success');
                await this.loadSystemOptimizer();
                ['cpu-optimization','memory-optimization','disk-optimization'].forEach(id => this.updateOptimizationProgress(id, 100));
                setTimeout(() => ['cpu-optimization','memory-optimization','disk-optimization'].forEach(id => this.updateOptimizationProgress(id, 0)), 1500);
            } else {
                throw new Error(data.error || '一键优化失败');
            }
        } catch (error) {
            console.error('一键优化失败:', error);
            this.showNotification('一键优化失败: ' + error.message, 'error');
        }
    }

    async loadSecuritySettings() {
        try {
            const response = await fetch('/api/system-optimizer/security-settings');
            const data = await response.json();
            
            if (data.success) {
                document.getElementById('input-validation').checked = data.input_validation || false;
                document.getElementById('rate-limiting').checked = data.rate_limiting || false;
                document.getElementById('sql-injection-protection').checked = data.sql_injection_protection || false;
                document.getElementById('xss-protection').checked = data.xss_protection || false;
            }
        } catch (error) {
            console.error('加载安全设置失败:', error);
        }
    }

    async loadTrafficSettings() {
        try {
            const response = await fetch('/api/system-optimizer/traffic-settings');
            const data = await response.json();
            
            if (data.success) {
                document.getElementById('request-limit').value = data.request_limit || 100;
                document.getElementById('concurrent-limit').value = data.concurrent_limit || 50;
                document.getElementById('ip-whitelist').value = (data.ip_whitelist || []).join('\n');
            }
        } catch (error) {
            console.error('加载流量设置失败:', error);
        }
    }

    async loadCostSettings() {
        try {
            const response = await fetch('/api/system-optimizer/cost-settings');
            const data = await response.json();
            
            if (data.success) {
                document.getElementById('monthly-budget-limit').value = data.monthly_budget_limit || 1000;
                document.getElementById('per-call-cost-limit').value = data.per_call_cost_limit || 0.1;
                document.getElementById('auto-cost-control').checked = data.auto_cost_control || false;
            }
        } catch (error) {
            console.error('加载成本设置失败:', error);
        }
    }

    // 数据分析
    async loadAnalytics() {
        try {
            const response = await fetch('/api/analytics');
            const analytics = await response.json();
            this.updateAnalyticsDisplay(analytics);
            this.initializeCharts();
        } catch (error) {
            console.error('加载分析数据失败:', error);
        }
    }

    // 初始化图表
    initializeCharts() {
        this.charts = {};
        this.updateCharts();
    }

    // 更新所有图表
    async updateCharts() {
        try {
            const timeRange = document.getElementById('timeRange').value;
            const chartType = document.getElementById('chartType').value;
            const dataDimension = document.getElementById('dataDimension').value;

            // 获取数据
            const response = await fetch(`/api/analytics?timeRange=${timeRange}&dimension=${dataDimension}`);
            const data = await response.json();

            // 更新统计卡片
            this.updateStatisticsCards(data);

            // 更新图表
            this.updateMainChart(data, chartType);
            this.updateDistributionChart(data);
            this.updateTrendChart(data);
            this.updatePriorityChart(data);

            // 更新分析报告
            this.updateAnalyticsReport(data);

        } catch (error) {
            console.error('更新图表失败:', error);
            this.showNotification('更新图表失败: ' + error.message, 'error');
        }
    }

    // 更新统计卡片
    updateStatisticsCards(data) {
        const total = data.workorders?.total || 0;
        const open = data.workorders?.open || 0;
        const resolved = data.workorders?.resolved || 0;
        const avgSatisfaction = data.satisfaction?.average || 0;

        document.getElementById('totalWorkorders').textContent = total;
        document.getElementById('openWorkorders').textContent = open;
        document.getElementById('resolvedWorkorders').textContent = resolved;
        document.getElementById('avgSatisfaction').textContent = avgSatisfaction.toFixed(1);

        // 更新进度条
        if (total > 0) {
            document.getElementById('openProgress').style.width = `${(open / total) * 100}%`;
            document.getElementById('resolvedProgress').style.width = `${(resolved / total) * 100}%`;
            document.getElementById('satisfactionProgress').style.width = `${(avgSatisfaction / 5) * 100}%`;
        }
    }

    // 更新主图表
    updateMainChart(data, chartType) {
        const ctx = document.getElementById('mainChart').getContext('2d');
        
        // 销毁现有图表
        if (this.charts.mainChart) {
            this.charts.mainChart.destroy();
        }

        const chartData = this.prepareChartData(data, chartType);
        
        this.charts.mainChart = new Chart(ctx, {
            type: chartType,
            data: chartData,
            options: {
                responsive: true,
                maintainAspectRatio: false,
                plugins: {
                    title: {
                        display: true,
                        text: '数据分析趋势'
                    },
                    legend: {
                        display: true,
                        position: 'top'
                    }
                },
                scales: chartType === 'pie' || chartType === 'doughnut' ? {} : {
                    x: {
                        display: true,
                        title: {
                            display: true,
                            text: '时间'
                        }
                    },
                    y: {
                        display: true,
                        title: {
                            display: true,
                            text: '数量'
                        }
                    }
                }
            }
        });
    }

    // 更新分布图表
    updateDistributionChart(data) {
        const ctx = document.getElementById('distributionChart').getContext('2d');
        
        if (this.charts.distributionChart) {
            this.charts.distributionChart.destroy();
        }

        const categories = data.workorders?.by_category || {};
        const labels = Object.keys(categories);
        const values = Object.values(categories);

        this.charts.distributionChart = new Chart(ctx, {
            type: 'doughnut',
            data: {
                labels: labels,
                datasets: [{
                    data: values,
                    backgroundColor: [
                        '#FF6384',
                        '#36A2EB',
                        '#FFCE56',
                        '#4BC0C0',
                        '#9966FF',
                        '#FF9F40'
                    ]
                }]
            },
            options: {
                responsive: true,
                maintainAspectRatio: false,
                plugins: {
                    title: {
                        display: true,
                        text: '工单分类分布'
                    },
                    legend: {
                        display: true,
                        position: 'bottom'
                    }
                }
            }
        });
    }

    // 更新趋势图表
    updateTrendChart(data) {
        const ctx = document.getElementById('trendChart').getContext('2d');
        
        if (this.charts.trendChart) {
            this.charts.trendChart.destroy();
        }

        const trendData = data.trend || [];
        const labels = trendData.map(item => item.date);
        const workorders = trendData.map(item => item.workorders);
        const alerts = trendData.map(item => item.alerts);

        this.charts.trendChart = new Chart(ctx, {
            type: 'line',
            data: {
                labels: labels,
                datasets: [{
                    label: '工单数量',
                    data: workorders,
                    borderColor: '#36A2EB',
                    backgroundColor: 'rgba(54, 162, 235, 0.1)',
                    tension: 0.4
                }, {
                    label: '预警数量',
                    data: alerts,
                    borderColor: '#FF6384',
                    backgroundColor: 'rgba(255, 99, 132, 0.1)',
                    tension: 0.4
                }]
            },
            options: {
                responsive: true,
                maintainAspectRatio: false,
                plugins: {
                    title: {
                        display: true,
                        text: '时间趋势分析'
                    }
                },
                scales: {
                    x: {
                        display: true,
                        title: {
                            display: true,
                            text: '日期'
                        }
                    },
                    y: {
                        display: true,
                        title: {
                            display: true,
                            text: '数量'
                        }
                    }
                }
            }
        });
    }

    // 更新优先级图表
    updatePriorityChart(data) {
        const ctx = document.getElementById('priorityChart').getContext('2d');
        
        if (this.charts.priorityChart) {
            this.charts.priorityChart.destroy();
        }

        const priorities = data.workorders?.by_priority || {};
        const labels = Object.keys(priorities).map(p => this.getPriorityText(p));
        const values = Object.values(priorities);

        this.charts.priorityChart = new Chart(ctx, {
            type: 'bar',
            data: {
                labels: labels,
                datasets: [{
                    label: '工单数量',
                    data: values,
                    backgroundColor: [
                        '#28a745', // 低 - 绿色
                        '#ffc107', // 中 - 黄色
                        '#fd7e14', // 高 - 橙色
                        '#dc3545'  // 紧急 - 红色
                    ]
                }]
            },
            options: {
                responsive: true,
                maintainAspectRatio: false,
                plugins: {
                    title: {
                        display: true,
                        text: '优先级分布'
                    }
                },
                scales: {
                    y: {
                        beginAtZero: true
                    }
                }
            }
        });
    }

    // 准备图表数据
    prepareChartData(data, chartType) {
        const trendData = data.trend || [];
        const labels = trendData.map(item => item.date);
        const workorders = trendData.map(item => item.workorders);

        if (chartType === 'pie' || chartType === 'doughnut') {
            const categories = data.workorders?.by_category || {};
            return {
                labels: Object.keys(categories),
                datasets: [{
                    data: Object.values(categories),
                    backgroundColor: [
                        '#FF6384',
                        '#36A2EB',
                        '#FFCE56',
                        '#4BC0C0',
                        '#9966FF',
                        '#FF9F40'
                    ]
                }]
            };
        } else {
            return {
                labels: labels,
                datasets: [{
                    label: '工单数量',
                    data: workorders,
                    borderColor: '#36A2EB',
                    backgroundColor: 'rgba(54, 162, 235, 0.1)',
                    tension: chartType === 'line' ? 0.4 : 0
                }]
            };
        }
    }

    // 导出图表
    exportChart(chartId) {
        if (this.charts[chartId]) {
            const link = document.createElement('a');
            link.download = `${chartId}_chart.png`;
            link.href = this.charts[chartId].toBase64Image();
            link.click();
        }
    }

    // 全屏图表
    fullscreenChart(chartId) {
        // 这里可以实现全屏显示功能
        this.showNotification('全屏功能开发中', 'info');
    }

    // 导出报告
    async exportReport() {
        try {
            const response = await fetch('/api/analytics/export');
            const blob = await response.blob();
            const url = window.URL.createObjectURL(blob);
            const link = document.createElement('a');
            link.href = url;
            link.download = 'analytics_report.xlsx';
            link.click();
            window.URL.revokeObjectURL(url);
        } catch (error) {
            console.error('导出报告失败:', error);
            this.showNotification('导出报告失败: ' + error.message, 'error');
        }
    }

    // 打印报告
    printReport() {
        window.print();
    }

    // Agent执行历史相关功能
    async refreshAgentHistory() {
        try {
            const response = await fetch('/api/agent/action-history?limit=20');
            const data = await response.json();
            
            if (data.success) {
                this.updateAgentExecutionHistory(data.history);
                this.showNotification(`已加载 ${data.count} 条执行历史`, 'success');
            } else {
                throw new Error(data.error || '获取执行历史失败');
            }
        } catch (error) {
            console.error('刷新Agent历史失败:', error);
            this.showNotification('刷新Agent历史失败: ' + error.message, 'error');
        }
    }

    async triggerSampleAction() {
        try {
            const response = await fetch('/api/agent/trigger-sample', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json',
                }
            });
            const data = await response.json();
            
            if (data.success) {
                this.showNotification(data.message, 'success');
                // 刷新执行历史
                await this.refreshAgentHistory();
            } else {
                throw new Error(data.error || '触发示例动作失败');
            }
        } catch (error) {
            console.error('触发示例动作失败:', error);
            this.showNotification('触发示例动作失败: ' + error.message, 'error');
        }
    }

    async clearAgentHistory() {
        if (!confirm('确定要清空Agent执行历史吗？此操作不可恢复。')) {
            return;
        }
        
        try {
            const response = await fetch('/api/agent/clear-history', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json',
                }
            });
            const data = await response.json();
            
            if (data.success) {
                this.showNotification(data.message, 'success');
                // 清空显示
                this.updateAgentExecutionHistory([]);
            } else {
                throw new Error(data.error || '清空历史失败');
            }
        } catch (error) {
            console.error('清空Agent历史失败:', error);
            this.showNotification('清空Agent历史失败: ' + error.message, 'error');
        }
    }

    updateAgentExecutionHistory(history) {
        const container = document.getElementById('agent-execution-history');
        
        if (!history || history.length === 0) {
            container.innerHTML = `
                <div class="empty-state">
                    <i class="fas fa-history"></i>
                    <p>暂无执行历史</p>
                </div>
            `;
            return;
        }

        const historyHtml = history.map(record => {
            const startTime = new Date(record.start_time * 1000).toLocaleString();
            const endTime = new Date(record.end_time * 1000).toLocaleString();
            const duration = Math.round((record.end_time - record.start_time) * 100) / 100;
            
            const priorityColor = {
                5: 'danger',
                4: 'warning', 
                3: 'info',
                2: 'secondary',
                1: 'light'
            }[record.priority] || 'secondary';
            
            const confidenceColor = record.confidence >= 0.8 ? 'success' : 
                                  record.confidence >= 0.5 ? 'warning' : 'danger';
            
            return `
                <div class="card mb-2">
                    <div class="card-body">
                        <div class="d-flex justify-content-between align-items-start">
                            <div class="flex-grow-1">
                                <h6 class="mb-1">${record.description}</h6>
                                <div class="d-flex gap-3 mb-2">
                                    <span class="badge bg-${priorityColor}">优先级 ${record.priority}</span>
                                    <span class="badge bg-${confidenceColor}">置信度 ${(record.confidence * 100).toFixed(0)}%</span>
                                    <span class="badge bg-${record.success ? 'success' : 'danger'}">${record.success ? '成功' : '失败'}</span>
                                </div>
                                <small class="text-muted">
                                    <i class="fas fa-clock me-1"></i>开始: ${startTime} | 
                                    <i class="fas fa-stopwatch me-1"></i>耗时: ${duration}秒
                                </small>
                            </div>
                            <div class="ms-3">
                                <span class="badge bg-primary">${record.action_type}</span>
                            </div>
                        </div>
                        ${record.result && record.result.message ? `
                            <div class="mt-2">
                                <small class="text-muted">结果: ${record.result.message}</small>
                            </div>
                        ` : ''}
                    </div>
                </div>
            `;
        }).join('');

        container.innerHTML = historyHtml;
    }

    // 更新分析报告
    updateAnalyticsReport(data) {
        const reportContainer = document.getElementById('analytics-report');
        
        if (!reportContainer) return;
        
        const summary = data.summary || {};
        const workorders = data.workorders || {};
        const satisfaction = data.satisfaction || {};
        const alerts = data.alerts || {};
        const performance = data.performance || {};
        
        const reportHtml = `
            <div class="row">
                <div class="col-md-6">
                    <h6><i class="fas fa-chart-bar me-2"></i>工单统计概览</h6>
                    <div class="table-responsive">
                        <table class="table table-sm">
                            <tr>
                                <td>总工单数</td>
                                <td><span class="badge bg-primary">${workorders.total || 0}</span></td>
                            </tr>
                            <tr>
                                <td>待处理</td>
                                <td><span class="badge bg-warning">${workorders.open || 0}</span></td>
                            </tr>
                            <tr>
                                <td>处理中</td>
                                <td><span class="badge bg-info">${workorders.in_progress || 0}</span></td>
                            </tr>
                            <tr>
                                <td>已解决</td>
                                <td><span class="badge bg-success">${workorders.resolved || 0}</span></td>
                            </tr>
                            <tr>
                                <td>已关闭</td>
                                <td><span class="badge bg-secondary">${workorders.closed || 0}</span></td>
                            </tr>
                        </table>
                    </div>
                </div>
                <div class="col-md-6">
                    <h6><i class="fas fa-star me-2"></i>满意度分析</h6>
                    <div class="table-responsive">
                        <table class="table table-sm">
                            <tr>
                                <td>平均满意度</td>
                                <td><span class="badge bg-success">${satisfaction.average || 0}/5.0</span></td>
                            </tr>
                            <tr>
                                <td>5星评价</td>
                                <td>${satisfaction.distribution?.['5'] || 0} 个</td>
                            </tr>
                            <tr>
                                <td>4星评价</td>
                                <td>${satisfaction.distribution?.['4'] || 0} 个</td>
                            </tr>
                            <tr>
                                <td>3星评价</td>
                                <td>${satisfaction.distribution?.['3'] || 0} 个</td>
                            </tr>
                            <tr>
                                <td>2星及以下</td>
                                <td>${(satisfaction.distribution?.['2'] || 0) + (satisfaction.distribution?.['1'] || 0)} 个</td>
                            </tr>
                        </table>
                    </div>
                </div>
            </div>
            
            <div class="row mt-4">
                <div class="col-md-6">
                    <h6><i class="fas fa-exclamation-triangle me-2"></i>预警统计</h6>
                    <div class="table-responsive">
                        <table class="table table-sm">
                            <tr>
                                <td>总预警数</td>
                                <td><span class="badge bg-danger">${alerts.total || 0}</span></td>
                            </tr>
                            <tr>
                                <td>活跃预警</td>
                                <td><span class="badge bg-warning">${alerts.active || 0}</span></td>
                            </tr>
                            <tr>
                                <td>已解决</td>
                                <td><span class="badge bg-success">${alerts.resolved || 0}</span></td>
                            </tr>
                        </table>
                    </div>
                </div>
                <div class="col-md-6">
                    <h6><i class="fas fa-tachometer-alt me-2"></i>性能指标</h6>
                    <div class="table-responsive">
                        <table class="table table-sm">
                            <tr>
                                <td>响应时间</td>
                                <td>${performance.response_time || 0} 秒</td>
                            </tr>
                            <tr>
                                <td>系统可用性</td>
                                <td>${performance.uptime || 0}%</td>
                            </tr>
                            <tr>
                                <td>错误率</td>
                                <td>${performance.error_rate || 0}%</td>
                            </tr>
                            <tr>
                                <td>吞吐量</td>
                                <td>${performance.throughput || 0} 请求/小时</td>
                            </tr>
                        </table>
                    </div>
                </div>
            </div>
            
            <div class="row mt-4">
                <div class="col-12">
                    <h6><i class="fas fa-chart-line me-2"></i>关键指标总结</h6>
                    <div class="row">
                        <div class="col-md-3">
                            <div class="card text-center">
                                <div class="card-body">
                                    <h5 class="card-title text-primary">${summary.resolution_rate || 0}%</h5>
                                    <p class="card-text">解决率</p>
                                </div>
                            </div>
                        </div>
                        <div class="col-md-3">
                            <div class="card text-center">
                                <div class="card-body">
                                    <h5 class="card-title text-success">${summary.avg_satisfaction || 0}</h5>
                                    <p class="card-text">平均满意度</p>
                                </div>
                            </div>
                        </div>
                        <div class="col-md-3">
                            <div class="card text-center">
                                <div class="card-body">
                                    <h5 class="card-title text-warning">${summary.active_alerts || 0}</h5>
                                    <p class="card-text">活跃预警</p>
                                </div>
                            </div>
                        </div>
                        <div class="col-md-3">
                            <div class="card text-center">
                                <div class="card-body">
                                    <h5 class="card-title text-info">${summary.total_workorders || 0}</h5>
                                    <p class="card-text">总工单数</p>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        `;
        
        reportContainer.innerHTML = reportHtml;
    }

    updateAnalyticsDisplay(analytics) {
        // 更新分析报告
        const reportContainer = document.getElementById('analytics-report');
        if (analytics.summary) {
            reportContainer.innerHTML = `
                <div class="row">
                    <div class="col-md-6">
                        <h6>性能指标</h6>
                        <ul class="list-unstyled">
                            <li>总工单数: ${analytics.summary.total_orders || 0}</li>
                            <li>解决率: ${Math.round((analytics.summary.resolution_rate || 0) * 100)}%</li>
                            <li>平均解决时间: ${analytics.summary.avg_resolution_time_hours || 0}小时</li>
                            <li>平均满意度: ${analytics.summary.avg_satisfaction || 0}</li>
                        </ul>
                    </div>
                    <div class="col-md-6">
                        <h6>趋势分析</h6>
                        <ul class="list-unstyled">
                            <li>工单趋势: ${analytics.summary.trends?.orders_trend ? '上升' : '下降'}</li>
                            <li>满意度趋势: ${analytics.summary.trends?.satisfaction_trend ? '上升' : '下降'}</li>
                            <li>解决时间趋势: ${analytics.summary.trends?.resolution_time_trend ? '上升' : '下降'}</li>
                        </ul>
                    </div>
                </div>
            `;
        }

        // 更新类别分布图
        if (analytics.category_distribution && this.charts.category) {
            const labels = Object.keys(analytics.category_distribution);
            const data = Object.values(analytics.category_distribution);
            
            this.charts.category.data.labels = labels;
            this.charts.category.data.datasets[0].data = data;
            this.charts.category.update();
        }
    }

    // 系统设置
    async loadSettings() {
        try {
            const response = await fetch('/api/settings');
            const settings = await response.json();
            this.updateSettingsDisplay(settings);
        } catch (error) {
            console.error('加载设置失败:', error);
        }
    }

    updateSettingsDisplay(settings) {
        if (settings.api_timeout !== undefined) document.getElementById('api-timeout').value = settings.api_timeout;
        if (settings.max_history !== undefined) document.getElementById('max-history').value = settings.max_history;
        if (settings.refresh_interval !== undefined) document.getElementById('refresh-interval').value = settings.refresh_interval;
        if (settings.auto_monitoring !== undefined) document.getElementById('auto-monitoring').checked = settings.auto_monitoring;
        if (settings.agent_mode !== undefined) document.getElementById('agent-mode').checked = settings.agent_mode;
        // 新增：API与模型、端口、日志级别（如页面存在对应输入框则填充）
        const map = [
            ['api-provider','api_provider'],
            ['api-base-url','api_base_url'],
            ['api-key','api_key'],
            ['model-name','model_name'],
            ['model-temperature','model_temperature'],
            ['model-max-tokens','model_max_tokens'],
            ['server-port','server_port'],
            ['websocket-port','websocket_port'],
            ['log-level','log_level']
        ];
        map.forEach(([id, key]) => {
            const el = document.getElementById(id);
            if (el && settings[key] !== undefined) el.value = settings[key];
        });
        
        // 更新温度滑块显示值
        const tempSlider = document.getElementById('model-temperature');
        const tempValue = document.getElementById('temperature-value');
        if (tempSlider && tempValue) {
            tempSlider.addEventListener('input', function() {
                tempValue.textContent = this.value;
            });
            tempValue.textContent = tempSlider.value;
        }
        
        // 更新服务状态显示
        this.updateServiceStatus(settings);
    }

    async saveSystemSettings() {
        const settings = {
            api_timeout: parseInt(document.getElementById('api-timeout').value),
            max_history: parseInt(document.getElementById('max-history').value),
            refresh_interval: parseInt(document.getElementById('refresh-interval').value),
            auto_monitoring: document.getElementById('auto-monitoring').checked,
            agent_mode: document.getElementById('agent-mode').checked,
            api_provider: document.getElementById('api-provider')?.value || '',
            api_base_url: document.getElementById('api-base-url')?.value || '',
            api_key: document.getElementById('api-key')?.value || '',
            model_name: document.getElementById('model-name')?.value || '',
            model_temperature: parseFloat(document.getElementById('model-temperature')?.value || 0.7),
            model_max_tokens: parseInt(document.getElementById('model-max-tokens')?.value || 1000),
            server_port: parseInt(document.getElementById('server-port')?.value || 5000),
            websocket_port: parseInt(document.getElementById('websocket-port')?.value || 8765),
            log_level: document.getElementById('log-level')?.value || 'INFO'
        };

        try {
            const response = await fetch('/api/settings', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json'
                },
                body: JSON.stringify(settings)
            });

            const data = await response.json();
            if (data.success) {
                this.showNotification('设置保存成功', 'success');
            } else {
                this.showNotification('保存设置失败', 'error');
            }
        } catch (error) {
            console.error('保存设置失败:', error);
            this.showNotification('保存设置失败', 'error');
        }
    }

    // 更新服务状态显示
    updateServiceStatus(settings) {
        // 更新仪表板服务状态卡片
        if (settings.current_server_port !== undefined) {
            const webPortEl = document.getElementById('web-port-status');
            if (webPortEl) webPortEl.textContent = settings.current_server_port;
        }
        if (settings.current_websocket_port !== undefined) {
            const wsPortEl = document.getElementById('ws-port-status');
            if (wsPortEl) wsPortEl.textContent = settings.current_websocket_port;
        }
        if (settings.log_level !== undefined) {
            const logLevelEl = document.getElementById('log-level-status');
            if (logLevelEl) logLevelEl.textContent = settings.log_level;
        }
        if (settings.uptime_seconds !== undefined) {
            const uptimeEl = document.getElementById('uptime-status');
            if (uptimeEl) {
                const hours = Math.floor(settings.uptime_seconds / 3600);
                const minutes = Math.floor((settings.uptime_seconds % 3600) / 60);
                uptimeEl.textContent = `${hours}小时${minutes}分钟`;
            }
        }
        
        // 更新系统设置页面的当前端口显示
        const currentPortEl = document.getElementById('current-server-port');
        if (currentPortEl && settings.current_server_port !== undefined) {
            currentPortEl.textContent = settings.current_server_port;
        }
    }

    // 刷新服务状态
    async refreshServiceStatus() {
        try {
            const response = await fetch('/api/settings');
            const settings = await response.json();
            this.updateServiceStatus(settings);
            this.showNotification('服务状态已刷新', 'success');
        } catch (error) {
            console.error('刷新服务状态失败:', error);
            this.showNotification('刷新服务状态失败', 'error');
        }
    }

    // 测试API连接
    async testApiConnection() {
        try {
            const apiProvider = document.getElementById('api-provider').value;
            const apiBaseUrl = document.getElementById('api-base-url').value;
            const apiKey = document.getElementById('api-key').value;
            const modelName = document.getElementById('model-name').value;
            
            const response = await fetch('/api/test/connection', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json'
                },
                body: JSON.stringify({
                    api_provider: apiProvider,
                    api_base_url: apiBaseUrl,
                    api_key: apiKey,
                    model_name: modelName
                })
            });
            
            const result = await response.json();
            if (result.success) {
                this.showNotification(`API连接测试成功: ${result.message}`, 'success');
            } else {
                this.showNotification(`API连接测试失败: ${result.error}`, 'error');
            }
        } catch (error) {
            console.error('API连接测试失败:', error);
            this.showNotification('API连接测试失败', 'error');
        }
    }

    // 测试模型回答
    async testModelResponse() {
        try {
            const testMessage = prompt('请输入测试消息:', '你好，请简单介绍一下你自己');
            if (!testMessage) return;
            
            const response = await fetch('/api/test/model', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json'
                },
                body: JSON.stringify({
                    test_message: testMessage
                })
            });
            
            const result = await response.json();
            if (result.success) {
                const message = `模型回答测试成功:\n\n问题: ${result.test_message}\n\n回答: ${result.response}\n\n响应时间: ${result.response_time}`;
                alert(message);
                this.showNotification('模型回答测试成功', 'success');
            } else {
                this.showNotification(`模型回答测试失败: ${result.error}`, 'error');
            }
        } catch (error) {
            console.error('模型回答测试失败:', error);
            this.showNotification('模型回答测试失败', 'error');
        }
    }

    async loadSystemInfo() {
        try {
            const response = await fetch('/api/system/info');
            const info = await response.json();
            this.updateSystemInfoDisplay(info);
        } catch (error) {
            console.error('加载系统信息失败:', error);
        }
    }

    updateSystemInfoDisplay(info) {
        const container = document.getElementById('system-info');
        container.innerHTML = `
            <div class="mb-3">
                <strong>系统版本:</strong> ${info.version || '1.0.0'}
            </div>
            <div class="mb-3">
                <strong>Python版本:</strong> ${info.python_version || '未知'}
            </div>
            <div class="mb-3">
                <strong>数据库:</strong> ${info.database || 'SQLite'}
            </div>
            <div class="mb-3">
                <strong>运行时间:</strong> ${info.uptime || '未知'}
            </div>
            <div class="mb-3">
                <strong>内存使用:</strong> ${info.memory_usage || '0'} MB
            </div>
        `;
    }

    // 工具函数
    getLevelText(level) {
        const levelMap = {
            'critical': '严重',
            'error': '错误',
            'warning': '警告',
            'info': '信息'
        };
        return levelMap[level] || level;
    }

    getTypeText(type) {
        const typeMap = {
            'performance': '性能',
            'quality': '质量',
            'volume': '量级',
            'system': '系统',
            'business': '业务'
        };
        return typeMap[type] || type;
    }

    getAlertColor(level) {
        const colorMap = {
            'critical': 'danger',
            'error': 'danger',
            'warning': 'warning',
            'info': 'info'
        };
        return colorMap[level] || 'secondary';
    }

    getPriorityText(priority) {
        const priorityMap = {
            'low': '低',
            'medium': '中',
            'high': '高',
            'urgent': '紧急'
        };
        return priorityMap[priority] || priority;
    }

    getPriorityColor(priority) {
        const colorMap = {
            'low': 'secondary',
            'medium': 'primary',
            'high': 'warning',
            'urgent': 'danger'
        };
        return colorMap[priority] || 'secondary';
    }

    getStatusText(status) {
        const statusMap = {
            'open': '待处理',
            'in_progress': '处理中',
            'resolved': '已解决',
            'closed': '已关闭'
        };
        return statusMap[status] || status;
    }

    getStatusColor(status) {
        const colorMap = {
            'open': 'warning',
            'in_progress': 'info',
            'resolved': 'success',
            'closed': 'secondary'
        };
        return colorMap[status] || 'secondary';
    }

    formatTime(timestamp) {
        const date = new Date(timestamp);
        const now = new Date();
        const diff = now - date;
        
        if (diff < 60000) { // 1分钟内
            return '刚刚';
        } else if (diff < 3600000) { // 1小时内
            return `${Math.floor(diff / 60000)}分钟前`;
        } else if (diff < 86400000) { // 1天内
            return `${Math.floor(diff / 3600000)}小时前`;
        } else {
            return date.toLocaleDateString();
        }
    }

    showNotification(message, type = 'info') {
        const notification = document.createElement('div');
        notification.className = `notification alert alert-${type === 'error' ? 'danger' : type} alert-dismissible fade show`;
        notification.innerHTML = `
            ${message}
            <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
        `;
        
        document.body.appendChild(notification);
        
        setTimeout(() => {
            if (notification.parentNode) {
                notification.parentNode.removeChild(notification);
            }
        }, 3000);
    }

    getSimilarityExplanation(percent) {
        if (percent >= 95) {
            return "语义高度相似，AI建议与人工描述基本一致，建议自动审批";
        } else if (percent >= 90) {
            return "语义较为相似，AI建议与人工描述大体一致，建议人工审核";
        } else if (percent >= 80) {
            return "语义部分相似，AI建议与人工描述有一定差异，需要人工判断";
        } else if (percent >= 60) {
            return "语义相似度较低，AI建议与人工描述差异较大，建议使用人工描述";
        } else {
            return "语义差异很大，AI建议与人工描述差异很大，优先使用人工描述";
        }
    }

    getSimilarityMessage(percent, approved, useHumanResolution = false) {
        if (useHumanResolution) {
            return `人工描述已保存！语义相似度: ${percent}%，AI准确率低于90%，将使用人工描述入库`;
        } else if (approved) {
            return `人工描述已保存！语义相似度: ${percent}%，已自动审批入库`;
        } else if (percent >= 90) {
            return `人工描述已保存！语义相似度: ${percent}%，建议人工审核后审批`;
        } else if (percent >= 80) {
            return `人工描述已保存！语义相似度: ${percent}%，需要人工判断是否审批`;
        } else {
            return `人工描述已保存！语义相似度: ${percent}%，建议使用人工描述入库`;
        }
    }

    showCreateWorkOrderModal() {
        const modal = new bootstrap.Modal(document.getElementById('createWorkOrderModal'));
        modal.show();
    }

    // 新增Agent对话功能
    async sendAgentMessage() {
        const messageInput = document.getElementById('agent-message-input');
        const message = messageInput.value.trim();
        
        if (!message) {
            this.showNotification('请输入消息', 'warning');
            return;
        }

        try {
            // 显示发送状态
            const sendBtn = document.getElementById('send-agent-message');
            const originalText = sendBtn.innerHTML;
            sendBtn.innerHTML = '<i class="fas fa-spinner fa-spin me-1"></i>发送中...';
            sendBtn.disabled = true;

            const response = await fetch('/api/agent/chat', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json'
                },
                body: JSON.stringify({
                    message: message,
                    context: {
                        user_id: 'admin',
                        session_id: `agent_session_${Date.now()}`
                    }
                })
            });

            const data = await response.json();
            
            if (data.success) {
                this.showNotification('Agent响应成功', 'success');
                // 清空输入框
                messageInput.value = '';
                // 刷新执行历史
                await this.loadAgentExecutionHistory();
            } else {
                this.showNotification('Agent响应失败: ' + (data.error || '未知错误'), 'error');
            }
        } catch (error) {
            console.error('发送Agent消息失败:', error);
            this.showNotification('发送Agent消息失败: ' + error.message, 'error');
        } finally {
            // 恢复按钮状态
            const sendBtn = document.getElementById('send-agent-message');
            sendBtn.innerHTML = '<i class="fas fa-paper-plane me-1"></i>发送';
            sendBtn.disabled = false;
        }
    }

    // 清空Agent对话
    clearAgentChat() {
        document.getElementById('agent-message-input').value = '';
        this.showNotification('对话已清空', 'info');
    }

    // 加载Agent执行历史
    async loadAgentExecutionHistory() {
        try {
            const response = await fetch('/api/agent/action-history?limit=10');
            const data = await response.json();
            
            if (data.success) {
                this.updateExecutionHistory(data.history);
            }
        } catch (error) {
            console.error('加载Agent执行历史失败:', error);
        }
    }

    // 触发示例动作
    async triggerSampleAction() {
        try {
            const response = await fetch('/api/agent/trigger-sample', {
                method: 'POST'
            });
            const data = await response.json();
            
            if (data.success) {
                this.showNotification('示例动作执行成功', 'success');
                await this.loadAgentExecutionHistory();
            } else {
                this.showNotification('示例动作执行失败: ' + (data.error || '未知错误'), 'error');
            }
        } catch (error) {
            console.error('触发示例动作失败:', error);
            this.showNotification('触发示例动作失败: ' + error.message, 'error');
        }
    }

    // 清空Agent历史
    async clearAgentHistory() {
        if (!confirm('确定要清空Agent执行历史吗？')) {
            return;
        }

        try {
            const response = await fetch('/api/agent/clear-history', {
                method: 'POST'
            });
            const data = await response.json();
            
            if (data.success) {
                this.showNotification('Agent历史已清空', 'success');
                await this.loadAgentExecutionHistory();
            } else {
                this.showNotification('清空Agent历史失败: ' + (data.error || '未知错误'), 'error');
            }
        } catch (error) {
            console.error('清空Agent历史失败:', error);
            this.showNotification('清空Agent历史失败: ' + error.message, 'error');
        }
    }
}

// 飞书同步管理器
class FeishuSyncManager {
    constructor() {
        this.loadConfig();
        this.refreshStatus();
    }

    async loadConfig() {
        try {
            const response = await fetch('/api/feishu-sync/config');
            const data = await response.json();
            
            if (data.success) {
                const config = data.config;
                document.getElementById('appId').value = config.feishu.app_id || '';
                document.getElementById('appSecret').value = '';
                document.getElementById('appToken').value = config.feishu.app_token || '';
                document.getElementById('tableId').value = config.feishu.table_id || '';
                
                // 显示配置状态
                const statusBadge = config.feishu.status === 'active' ? 
                    '<span class="badge bg-success">已配置</span>' : 
                    '<span class="badge bg-warning">未配置</span>';
                
                // 可以在这里添加状态显示
            }
        } catch (error) {
            console.error('加载配置失败:', error);
        }
    }

    async saveConfig() {
        const config = {
            app_id: document.getElementById('appId').value,
            app_secret: document.getElementById('appSecret').value,
            app_token: document.getElementById('appToken').value,
            table_id: document.getElementById('tableId').value
        };

        if (!config.app_id || !config.app_secret || !config.app_token || !config.table_id) {
            this.showNotification('请填写完整的配置信息', 'error');
            return;
        }

        try {
            const response = await fetch('/api/feishu-sync/config', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json'
                },
                body: JSON.stringify(config)
            });

            const data = await response.json();
            
            if (data.success) {
                this.showNotification('配置保存成功', 'success');
            } else {
                this.showNotification('配置保存失败: ' + data.error, 'error');
            }
        } catch (error) {
            this.showNotification('配置保存失败: ' + error.message, 'error');
        }
    }

    async testConnection() {
        try {
            this.showNotification('正在测试连接...', 'info');
            
            const response = await fetch('/api/feishu-sync/test-connection');
            const data = await response.json();
            
            if (data.success) {
                this.showNotification('飞书连接正常', 'success');
            } else {
                this.showNotification('连接失败: ' + data.error, 'error');
            }
        } catch (error) {
            this.showNotification('连接测试失败: ' + error.message, 'error');
        }
    }

    async syncFromFeishu() {
        try {
            const limit = document.getElementById('syncLimit').value;
            this.showNotification('开始从飞书同步数据...', 'info');
            this.showProgress(true);
            
            const response = await fetch('/api/feishu-sync/sync-from-feishu', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json'
                },
                body: JSON.stringify({
                    generate_ai_suggestions: false,
                    limit: parseInt(limit)
                })
            });

            const data = await response.json();
            
            if (data.success) {
                this.showNotification(data.message, 'success');
                this.addSyncLog(data.message);
                this.refreshStatus();
            } else {
                this.showNotification('同步失败: ' + data.error, 'error');
                this.addSyncLog('同步失败: ' + data.error);
            }
        } catch (error) {
            this.showNotification('同步失败: ' + error.message, 'error');
            this.addSyncLog('同步失败: ' + error.message);
        } finally {
            this.showProgress(false);
        }
    }

    async syncWithAI() {
        try {
            const limit = document.getElementById('syncLimit').value;
            this.showNotification('开始同步数据并生成AI建议...', 'info');
            this.showProgress(true);
            
            const response = await fetch('/api/feishu-sync/sync-from-feishu', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json'
                },
                body: JSON.stringify({
                    generate_ai_suggestions: true,
                    limit: parseInt(limit)
                })
            });

            const data = await response.json();
            
            if (data.success) {
                this.showNotification(data.message, 'success');
                this.addSyncLog(data.message);
                this.refreshStatus();
            } else {
                this.showNotification('同步失败: ' + data.error, 'error');
                this.addSyncLog('同步失败: ' + data.error);
            }
        } catch (error) {
            this.showNotification('同步失败: ' + error.message, 'error');
            this.addSyncLog('同步失败: ' + error.message);
        } finally {
            this.showProgress(false);
        }
    }

    async previewFeishuData() {
        try {
            this.showNotification('正在获取飞书数据预览...', 'info');
            
            const response = await fetch('/api/feishu-sync/preview-feishu-data');
            const data = await response.json();
            
            if (data.success) {
                this.displayPreviewData(data.preview_data);
                this.showNotification(`获取到 ${data.total_count} 条预览数据`, 'success');
            } else {
                this.showNotification('获取预览数据失败: ' + data.error, 'error');
            }
        } catch (error) {
            this.showNotification('获取预览数据失败: ' + error.message, 'error');
        }
    }

    displayPreviewData(data) {
        const tbody = document.querySelector('#previewTable tbody');
        tbody.innerHTML = '';

        data.forEach(item => {
            const row = document.createElement('tr');
            row.innerHTML = `
                <td>${item.record_id}</td>
                <td>${item.fields['TR Number'] || '-'}</td>
                <td>${item.fields['TR Description'] || '-'}</td>
                <td>${item.fields['Type of problem'] || '-'}</td>
                <td>${item.fields['Source'] || '-'}</td>
                <td>${item.fields['TR (Priority/Status)'] || '-'}</td>
                <td>
                    <button class="btn btn-sm btn-primary" onclick="feishuSync.createWorkorder('${item.record_id}')">
                        <i class="fas fa-plus"></i> 创建工单
                    </button>
                </td>
            `;
            tbody.appendChild(row);
        });

        document.getElementById('previewSection').style.display = 'block';
    }

    async refreshStatus() {
        try {
            const response = await fetch('/api/feishu-sync/status');
            const data = await response.json();
            
            if (data.success) {
                const status = data.status;
                document.getElementById('totalLocalWorkorders').textContent = status.total_local_workorders || 0;
                document.getElementById('syncedWorkorders').textContent = status.synced_workorders || 0;
                document.getElementById('unsyncedWorkorders').textContent = status.unsynced_workorders || 0;
            }
        } catch (error) {
            console.error('刷新状态失败:', error);
        }
    }

    showProgress(show) {
        const progress = document.getElementById('syncProgress');
        if (show) {
            progress.style.display = 'block';
            const bar = progress.querySelector('.progress-bar');
            bar.style.width = '100%';
        } else {
            setTimeout(() => {
                progress.style.display = 'none';
                const bar = progress.querySelector('.progress-bar');
                bar.style.width = '0%';
            }, 1000);
        }
    }

    addSyncLog(message) {
        const log = document.getElementById('syncLog');
        const timestamp = new Date().toLocaleString();
        const logEntry = document.createElement('div');
        logEntry.innerHTML = `<small class="text-muted">[${timestamp}]</small> ${message}`;
        
        if (log.querySelector('.text-muted')) {
            log.innerHTML = '';
        }
        
        log.appendChild(logEntry);
        log.scrollTop = log.scrollHeight;
    }

    async exportConfig() {
        try {
            const response = await fetch('/api/feishu-sync/config/export');
            const data = await response.json();
            
            if (data.success) {
                // 创建下载链接
                const blob = new Blob([data.config], { type: 'application/json' });
                const url = URL.createObjectURL(blob);
                const a = document.createElement('a');
                a.href = url;
                a.download = `feishu_config_${new Date().toISOString().split('T')[0]}.json`;
                document.body.appendChild(a);
                a.click();
                document.body.removeChild(a);
                URL.revokeObjectURL(url);
                
                this.showNotification('配置导出成功', 'success');
            } else {
                this.showNotification('配置导出失败: ' + data.error, 'error');
            }
        } catch (error) {
            this.showNotification('配置导出失败: ' + error.message, 'error');
        }
    }

    showImportModal() {
        const modal = new bootstrap.Modal(document.getElementById('importConfigModal'));
        modal.show();
    }

    async importConfig() {
        try {
            const configJson = document.getElementById('configJson').value.trim();
            
            if (!configJson) {
                this.showNotification('请输入配置JSON数据', 'warning');
                return;
            }
            
            const response = await fetch('/api/feishu-sync/config/import', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json'
                },
                body: JSON.stringify({ config: configJson })
            });
            
            const data = await response.json();
            
            if (data.success) {
                this.showNotification('配置导入成功', 'success');
                this.loadConfig();
                this.refreshStatus();
                
                // 关闭模态框
                const modal = bootstrap.Modal.getInstance(document.getElementById('importConfigModal'));
                modal.hide();
                document.getElementById('configJson').value = '';
            } else {
                this.showNotification('配置导入失败: ' + data.error, 'error');
            }
        } catch (error) {
            this.showNotification('配置导入失败: ' + error.message, 'error');
        }
    }

    async resetConfig() {
        if (confirm('确定要重置所有配置吗？此操作不可撤销！')) {
            try {
                const response = await fetch('/api/feishu-sync/config/reset', {
                    method: 'POST'
                });
                
                const data = await response.json();
                
                if (data.success) {
                    this.showNotification('配置重置成功', 'success');
                    this.loadConfig();
                    this.refreshStatus();
                } else {
                    this.showNotification('配置重置失败: ' + data.error, 'error');
                }
            } catch (error) {
                this.showNotification('配置重置失败: ' + error.message, 'error');
            }
        }
    }

    async createWorkorder(recordId) {
        if (confirm(`确定要从飞书记录 ${recordId} 创建工单吗？`)) {
            try {
                this.showNotification('正在创建工单...', 'info');
                
                const response = await fetch('/api/feishu-sync/create-workorder', {
                    method: 'POST',
                    headers: {
                        'Content-Type': 'application/json'
                    },
                    body: JSON.stringify({
                        record_id: recordId
                    })
                });
                
                const data = await response.json();
                
                if (data.success) {
                    this.showNotification(data.message, 'success');
                    // 刷新工单列表（如果用户在工单页面）
                    if (typeof window.refreshWorkOrders === 'function') {
                        window.refreshWorkOrders();
                    }
                } else {
                    this.showNotification('创建工单失败: ' + data.message, 'error');
                }
            } catch (error) {
                this.showNotification('创建工单失败: ' + error.message, 'error');
            }
        }
    }

    showNotification(message, type = 'info') {
        const container = document.getElementById('notificationContainer');
        const alert = document.createElement('div');
        alert.className = `alert alert-${type === 'error' ? 'danger' : type} alert-dismissible fade show`;
        alert.innerHTML = `
            ${message}
            <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
        `;
        
        container.appendChild(alert);
        
        setTimeout(() => {
            if (alert.parentNode) {
                alert.parentNode.removeChild(alert);
            }
        }, 5000);
    }
}

// 初始化应用
let dashboard;
let feishuSync;
document.addEventListener('DOMContentLoaded', () => {
    dashboard = new TSPDashboard();
    feishuSync = new FeishuSyncManager();
});