import os
import re
import json
import time
import uuid
import logging
import traceback
from flask import Flask, render_template, request, redirect, url_for, session, flash, jsonify
from flask_session import Session
import requests
from functools import wraps
from dotenv import load_dotenv
from datetime import datetime

load_dotenv()

app = Flask(__name__)
app.config['SECRET_KEY'] = os.getenv('SECRET_KEY', 'dev-secret-key')
app.config['SESSION_TYPE'] = 'filesystem'
Session(app)

API_BASE_URL = os.getenv('API_BASE_URL', 'http://localhost:8000')
AUTH_BASE_URL = os.getenv('AUTH_BASE_URL', 'http://localhost:8001')

logger = logging.getLogger(__name__)

def get_headers():
    """获取请求头，包含认证令牌。如果 token 过期会自动刷新。"""
    headers = {'Content-Type': 'application/json'}
    if 'access_token' in session:
        headers['Authorization'] = f"Bearer {session['access_token']}"
    return headers


def _try_refresh_token():
    """
    尝试用 refresh_token 刷新 access_token。
    成功返回 True 并更新 session，失败返回 False。
    """
    refresh_token = session.get('refresh_token')
    if not refresh_token:
        logger.warning("Token 刷新失败: session 中没有 refresh_token")
        return False
    try:
        resp = requests.post(
            f'{AUTH_BASE_URL}/auth/refresh',
            json={'refresh_token': refresh_token},
            timeout=10,
        )
        if resp.status_code == 200:
            data = resp.json()
            session['access_token'] = data['access_token']
            session['refresh_token'] = data['refresh_token']
            session.modified = True
            logger.info("Token 刷新成功")
            return True
        else:
            logger.warning(f"Token 刷新失败: HTTP {resp.status_code}, body={resp.text[:200]}")
    except Exception as e:
        logger.warning(f"Token 刷新异常: {e}")
    return False


def api_request(method, url, **kwargs):
    """
    封装 API 请求，自动处理 token 过期刷新。
    如果收到 401，尝试刷新 token 后重试一次。
    """
    headers = kwargs.pop('headers', None) or get_headers()
    token_preview = headers.get('Authorization', 'NONE')[:30]
    logger.info(f"api_request: {method} {url} token={token_preview}...")

    resp = requests.request(method, url, headers=headers, timeout=10, **kwargs)

    if resp.status_code == 401:
        logger.warning(f"api_request: 收到 401, 尝试刷新 token...")
        if _try_refresh_token():
            # Token 已刷新，用新 token 重试
            headers['Authorization'] = f"Bearer {session['access_token']}"
            logger.info(f"api_request: 刷新成功，重试请求...")
            resp = requests.request(method, url, headers=headers, timeout=10, **kwargs)
        else:
            logger.error(f"api_request: token 刷新失败，清除 session 让用户重新登录")
            # 清除无效的 token，下次访问会被 login_required 拦截
            session.pop('access_token', None)
            session.pop('refresh_token', None)
            session.pop('user', None)
            session.modified = True

    return resp

def login_required(f):
    """登录验证装饰器"""
    @wraps(f)
    def decorated_function(*args, **kwargs):
        if 'user' not in session:
            flash('请先登录', 'warning')
            return redirect(url_for('login'))
        return f(*args, **kwargs)
    return decorated_function

@app.route('/')
def index():
    if 'user' in session:
        return redirect(url_for('dashboard'))
    return redirect(url_for('login'))

@app.route('/register', methods=['GET', 'POST'])
def register():
    if request.method == 'POST':
        username = request.form.get('username')
        email = request.form.get('email')
        password = request.form.get('password')
        confirm_password = request.form.get('confirm_password')
        invite_code = request.form.get('invite_code', '').strip()

        if password != confirm_password:
            flash('两次输入的密码不一致', 'danger')
            return redirect(url_for('register'))

        if not invite_code:
            flash('请输入邀请码', 'danger')
            return redirect(url_for('register'))

        try:
            response = requests.post(
                f'{AUTH_BASE_URL}/auth/register',
                json={'username': username, 'email': email, 'password': password, 'invite_code': invite_code},
                timeout=10
            )
            
            if response.status_code == 201:
                data = response.json()
                session['user'] = data['user']
                session['access_token'] = data['access_token']
                session['refresh_token'] = data['refresh_token']
                flash('注册成功', 'success')
                return redirect(url_for('dashboard'))
            else:
                error_data = response.json()
                flash(error_data.get('detail', '注册失败'), 'danger')
        except requests.RequestException as e:
            flash(f'连接错误: {str(e)}', 'danger')

    return render_template('register.html')

@app.route('/login', methods=['GET', 'POST'])
def login():
    if request.method == 'POST':
        email = request.form.get('email')
        password = request.form.get('password')

        try:
            response = requests.post(
                f'{AUTH_BASE_URL}/auth/login',
                json={'email': email, 'password': password},
                timeout=10
            )
            
            if response.status_code == 200:
                data = response.json()
                session['user'] = data['user']
                session['access_token'] = data['access_token']
                session['refresh_token'] = data['refresh_token']
                flash('登录成功', 'success')
                return redirect(url_for('dashboard'))
            else:
                error_data = response.json()
                flash(error_data.get('detail', '登录失败'), 'danger')
        except requests.RequestException as e:
            flash(f'连接错误: {str(e)}', 'danger')

    return render_template('login.html')


@app.route('/api/auth/wx-login', methods=['POST'])
def wx_login_proxy():
    """
    微信小程序登录代理。
    小程序端调这个接口，转发到 auth_service 的 /auth/wx-login。
    Web 端也可以用（未来微信扫码登录）。
    """
    try:
        data = request.json
        response = requests.post(
            f'{AUTH_BASE_URL}/auth/wx-login',
            json=data,
            timeout=15,
        )

        if response.status_code == 200:
            result = response.json()
            # 写入 session（Web 端用）
            session['user'] = result.get('user')
            session['access_token'] = result.get('access_token')
            session['refresh_token'] = result.get('refresh_token')
            session.modified = True
            return jsonify({'success': True, 'data': result})
        else:
            detail = response.json().get('detail', '微信登录失败')
            return jsonify({'success': False, 'message': detail}), response.status_code
    except Exception as e:
        logger.exception("微信登录代理异常")
        return jsonify({'success': False, 'message': str(e)}), 500


@app.route('/logout')
def logout():
    session.clear()
    flash('已退出登录', 'success')
    return redirect(url_for('login'))

@app.route('/dashboard')
@login_required
def dashboard():
    page = request.args.get('page', 1, type=int)
    try:
        response = api_request(
            'GET',
            f'{API_BASE_URL}/api/v1/accounts',
            params={'page': page, 'size': 12},
        )
        data = response.json()
        if data.get('success'):
            payload = data.get('data', {})
            # 兼容旧版 API（返回列表）和新版（返回分页对象）
            if isinstance(payload, list):
                accounts = payload
                pagination = {'items': payload, 'total': len(payload), 'page': 1, 'size': len(payload), 'total_pages': 1, 'status_counts': {}}
            else:
                accounts = payload.get('items', [])
                pagination = payload
        else:
            accounts = []
            pagination = {'items': [], 'total': 0, 'page': 1, 'size': 12, 'total_pages': 0, 'status_counts': {}}
    except requests.RequestException:
        accounts = []
        pagination = {'items': [], 'total': 0, 'page': 1, 'size': 12, 'total_pages': 0, 'status_counts': {}}
        flash('加载账号列表失败', 'warning')

    return render_template('dashboard.html', accounts=accounts, pagination=pagination, user=session.get('user'))

@app.route('/accounts/new')
@login_required
def add_account():
    return render_template('add_account.html')


WEIBO_HEADERS = {
    'User-Agent': (
        'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 '
        '(KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36'
    ),
    'Referer': 'https://weibo.com/',
    'Accept': '*/*',
    'Accept-Language': 'zh-CN,zh;q=0.9,en;q=0.8',
    'Connection': 'keep-alive',
}


def _parse_jsonp(text):
    """Strip JSONP wrapper and return parsed dict, or None."""
    m = re.search(r'\((.*)\)', text, re.DOTALL)
    if m:
        return json.loads(m.group(1))
    # Maybe it's already plain JSON
    try:
        return json.loads(text)
    except (json.JSONDecodeError, ValueError):
        return None


@app.route('/api/weibo/qrcode/generate', methods=['POST'])
@login_required
def generate_weibo_qrcode():
    """
    生成微博扫码登录二维码。
    调用 https://login.sina.com.cn/sso/qrcode/image 获取 qrid + 二维码图片。
    """
    try:
        qr_api_url = 'https://login.sina.com.cn/sso/qrcode/image'
        params = {
            'entry': 'weibo',
            'size': '180',
            'callback': f'STK_{int(time.time() * 1000)}',
        }

        resp = requests.get(qr_api_url, params=params, headers=WEIBO_HEADERS, timeout=10)
        logger.debug(f"qrcode/image status={resp.status_code} body={resp.text[:300]}")

        data = _parse_jsonp(resp.text)
        if not data or data.get('retcode') != 20000000:
            return jsonify({'success': False, 'error': '生成二维码失败'}), 500

        qr_data = data.get('data', {})
        qrid = qr_data.get('qrid')
        qr_image_url = qr_data.get('image', '')

        if not qrid or not qr_image_url:
            return jsonify({'success': False, 'error': '二维码数据不完整'}), 500

        if qr_image_url.startswith('//'):
            qr_image_url = 'https:' + qr_image_url

        # 存储二维码状态
        if 'weibo_qrcodes' not in session:
            session['weibo_qrcodes'] = {}
        session['weibo_qrcodes'][qrid] = {
            'status': 'waiting',
            'created_at': str(datetime.now()),
        }
        session.modified = True

        return jsonify({
            'success': True,
            'qrid': qrid,
            'qr_image': qr_image_url,
            'expires_in': 180,
        })

    except Exception as e:
        logger.exception("生成二维码异常")
        return jsonify({'success': False, 'error': str(e)}), 500


@app.route('/api/weibo/qrcode/check/<qrid>', methods=['GET'])
@login_required
def check_weibo_qrcode(qrid):
    """
    轮询微博扫码状态。

    微博 check 接口必须用 JSONP（带 callback），否则返回非 JSON 内容。
    成功时 retcode=20000001 会携带 alt 跳转 URL。
    用 requests.Session 跟踪 alt 的完整 SSO 重定向链来收集 Cookie。
    """
    try:
        qrcodes = session.get('weibo_qrcodes', {})
        if qrid not in qrcodes:
            return jsonify({'status': 'expired'})

        # 如果之前已经成功处理过，直接返回缓存结果
        qr_info = qrcodes[qrid]
        if qr_info.get('status') == 'success':
            return jsonify({
                'status': 'success',
                'weibo_uid': qr_info.get('weibo_uid'),
                'screen_name': qr_info.get('screen_name'),
            })

        # ---- 1. 调用 check 接口（JSONP 模式）----
        check_url = 'https://login.sina.com.cn/sso/qrcode/check'
        params = {
            'entry': 'weibo',
            'qrid': qrid,
            'callback': f'STK_{int(time.time() * 1000)}',
        }

        resp = requests.get(check_url, params=params, headers=WEIBO_HEADERS, timeout=10)
        logger.info(f"qrcode/check status={resp.status_code} body={resp.text[:500]}")

        data = _parse_jsonp(resp.text)
        if not data:
            logger.error(f"无法解析 check 响应: {resp.text[:300]}")
            return jsonify({'status': 'error', 'error': '解析响应失败'})

        retcode = data.get('retcode')
        logger.info(f"check retcode={retcode}")

        # 等待扫码（50114001 = "未使用"）
        if retcode == 50114001:
            return jsonify({'status': 'waiting'})

        # 已扫码，等待确认
        if retcode in (50050001, 50114002):
            return jsonify({'status': 'scanned'})

        # 二维码过期
        if retcode == 50050002:
            return jsonify({'status': 'expired'})

        # 取消授权
        if retcode == 50050004:
            return jsonify({'status': 'cancelled'})

        # 50114004 = 二维码已被消费（重复轮询），不带 alt
        if retcode == 50114004:
            if qr_info.get('status') == 'success':
                return jsonify({
                    'status': 'success',
                    'weibo_uid': qr_info.get('weibo_uid'),
                    'screen_name': qr_info.get('screen_name'),
                })
            return jsonify({'status': 'error', 'error': '二维码已失效，请重新生成'})

        # ---- 2. 登录成功 ----
        # retcode=20000000 + data.alt 存在 = 扫码确认成功
        # retcode=20000001 = 旧版成功状态
        # alt 是一个 token（如 "ALT-xxx"），不是 URL，需要拼接成 SSO 登录 URL
        alt_token = ''
        nested = data.get('data')
        if isinstance(nested, dict):
            alt_token = nested.get('alt', '')

        if retcode == 20000000 and not alt_token:
            # 20000000 无 alt = 正常的等待扫码状态
            return jsonify({'status': 'waiting'})

        if not alt_token:
            if retcode in (20000001, 50114003):
                alt_token = data.get('alt', '')
            else:
                logger.warning(f"未知 retcode: {retcode}, data: {data}")
                return jsonify({'status': 'waiting'})

        if not alt_token:
            return jsonify({'status': 'error', 'error': '微博未返回登录凭证，请重新扫码'})

        logger.info(f"获取到 alt token: {alt_token}")

        # 将 alt token 拼接成完整的 SSO 登录 URL
        alt_url = (
            f"https://login.sina.com.cn/sso/login.php"
            f"?entry=weibo&returntype=TEXT&crossdomain=1&cdult=3"
            f"&domain=weibo.com&alt={alt_token}&savestate=30"
            f"&callback=STK_{int(time.time() * 1000)}"
        )
        logger.info(f"构造 SSO URL: {alt_url}")

        # ---- 3. 执行 SSO 登录，收集 Cookie 和用户信息 ----
        cookie_str, uid, nick = _execute_sso_login(alt_url)

        if not cookie_str:
            return jsonify({
                'status': 'error',
                'error': 'Cookie 获取失败，请重新扫码',
            })

        screen_name = nick or f'用户{uid}'

        # 存储结果到 session（防止重复轮询时丢失）
        session['weibo_qrcodes'][qrid]['status'] = 'success'
        session['weibo_qrcodes'][qrid]['cookie'] = cookie_str
        session['weibo_qrcodes'][qrid]['weibo_uid'] = uid
        session['weibo_qrcodes'][qrid]['screen_name'] = screen_name
        session.modified = True
        logger.info(f"check 成功: qrid={qrid}, uid={uid}, cookie长度={len(cookie_str)}, session已写入")

        return jsonify({
            'status': 'success',
            'weibo_uid': uid,
            'screen_name': screen_name,
        })

    except Exception as e:
        logger.exception("检查二维码状态异常")
        return jsonify({'status': 'error', 'error': str(e)})


def _execute_sso_login(sso_url):
    """
    执行微博 SSO 登录流程，收集 Cookie 并提取用户信息。

    流程：
    1. GET sso_url → 返回 JSONP，包含:
       - uid, nick（用户信息，直接可用）
       - crossDomainUrlList（跨域种 cookie 的 URL）
       - Set-Cookie: SUB, SUBP, ALF 等
    2. 逐个访问 crossDomainUrlList 中的 URL（种跨域 cookie）
    3. 汇总所有 cookie

    Returns: (cookie_str, uid, nick) or (None, None, None)
    """
    sso_session = requests.Session()
    sso_session.headers.update({
        'User-Agent': WEIBO_HEADERS['User-Agent'],
        'Referer': 'https://weibo.com/',
        'Accept': '*/*',
        'Accept-Language': 'zh-CN,zh;q=0.9,en;q=0.8',
    })

    try:
        # Step 1: 访问 SSO 登录 URL
        resp = sso_session.get(sso_url, allow_redirects=True, timeout=15)
        logger.info(f"SSO login status={resp.status_code}, cookies={len(sso_session.cookies)}")

        # 解析 JSONP 响应
        sso_data = _parse_jsonp(resp.text)
        uid = ''
        nick = ''
        cross_urls = []

        if sso_data:
            # 直接从 SSO 响应中提取用户信息
            uid = str(sso_data.get('uid', ''))
            nick = sso_data.get('nick', '')
            cross_urls = sso_data.get('crossDomainUrlList', [])
            logger.info(f"SSO 响应: uid={uid}, nick={nick}, crossDomainUrls={len(cross_urls)}")
        else:
            logger.warning(f"无法解析 SSO 响应: {resp.text[:500]}")

        # Step 2: 逐个访问跨域 URL 种 cookie
        for url in cross_urls:
            if not isinstance(url, str) or not url.startswith('http'):
                continue
            try:
                logger.debug(f"访问跨域 URL: {url[:120]}")
                sso_session.get(url, allow_redirects=True, timeout=10)
            except Exception as e:
                logger.debug(f"跨域 URL 访问失败: {e}")

        # Step 3: 只提取 weibo.com 域名的 Cookie（签到 API 只需要这些）
        weibo_com_cookies = {}
        for cookie in sso_session.cookies:
            if cookie.domain and 'weibo.com' in cookie.domain:
                weibo_com_cookies[cookie.name] = cookie.value

        cookie_str = '; '.join(f'{k}={v}' for k, v in weibo_com_cookies.items())
        logger.info(f"weibo.com Cookie ({len(weibo_com_cookies)} 个): {list(weibo_com_cookies.keys())}")

        if not cookie_str or 'SUB' not in weibo_com_cookies:
            logger.error(f"Cookie 不完整，缺少 SUB。获取到: {list(weibo_com_cookies.keys())}")
            return None, None, None

        if not uid:
            logger.warning("SSO 响应中没有 uid，尝试从 API 获取...")
            uid, nick = _fetch_weibo_user_info(sso_session)

        if not uid:
            logger.error("无法获取用户 uid")
            return None, None, None

        return cookie_str, uid, nick

    except Exception as e:
        logger.exception(f"SSO 登录流程失败: {e}")
        return None, None, None


def _fetch_weibo_user_info(sso_session):
    """用已登录的 session 获取当前用户 uid 和昵称（PC 端接口）。"""
    try:
        resp = sso_session.get(
            'https://weibo.com/ajax/profile/info',
            headers={
                'User-Agent': WEIBO_HEADERS['User-Agent'],
                'Referer': 'https://weibo.com/',
                'Accept': '*/*',
            },
            timeout=10,
        )
        data = resp.json()
        if data.get('ok') == 1:
            user = data.get('data', {}).get('user', {})
            uid = user.get('idstr', '')
            screen_name = user.get('screen_name', f'用户{uid}')
            if uid:
                logger.info(f"weibo.com/ajax/profile/info: uid={uid}, name={screen_name}")
                return uid, screen_name
    except Exception as e:
        logger.warning(f"weibo.com/ajax/profile/info 失败: {e}")
    return None, None


@app.route('/api/weibo/qrcode/add-account', methods=['POST'])
@login_required
def add_account_from_qrcode():
    """从扫码结果添加账号"""
    try:
        data = request.json
        qrid = data.get('qrid')
        remark = data.get('remark', '')

        qrcodes = session.get('weibo_qrcodes', {})
        qr_info = qrcodes.get(qrid)

        logger.info(f"add-account: qrid={qrid}, qrcodes keys={list(qrcodes.keys())}")
        logger.info(f"add-account: qr_info={json.dumps(qr_info, default=str)[:500] if qr_info else None}")

        if not qr_info or qr_info.get('status') != 'success':
            logger.error(f"add-account 失败: qr_info={qr_info}, status={qr_info.get('status') if qr_info else 'N/A'}")
            return jsonify({'success': False, 'message': '二维码未完成授权'}), 400

        cookie = qr_info.get('cookie')
        weibo_uid = qr_info.get('weibo_uid')
        screen_name = qr_info.get('screen_name', '微博用户')

        if not cookie:
            logger.error(f"add-account: cookie 为空! qr_info keys={list(qr_info.keys())}")
            return jsonify({'success': False, 'message': 'Cookie 数据丢失，请重新扫码'}), 400

        if not remark:
            remark = f"{screen_name} (扫码添加)"

        response = api_request(
            'POST',
            f'{API_BASE_URL}/api/v1/accounts',
            json={
                'weibo_user_id': weibo_uid,
                'cookie': cookie,
                'remark': remark,
            },
        )

        result = response.json()

        if response.status_code in (200, 201) and result.get('success'):
            account_data = result.get('data', {})
            account_id = account_data.get('id')

            # 扫码添加后自动触发 Cookie 验证，激活账号
            if account_id:
                try:
                    verify_resp = api_request('POST', f'{API_BASE_URL}/api/v1/accounts/{account_id}/verify')
                    verify_data = verify_resp.json()
                    if verify_data.get('success') and verify_data.get('data', {}).get('cookie_valid'):
                        logger.info(f"扫码添加后自动验证成功: account_id={account_id}")
                    else:
                        logger.warning(f"扫码添加后自动验证失败: {verify_data}")
                except Exception as e:
                    logger.warning(f"扫码添加后自动验证异常: {e}")

            session['weibo_qrcodes'].pop(qrid, None)
            session.modified = True
            return jsonify({
                'success': True,
                'message': '账号添加成功',
                'account': account_data,
            })
        elif response.status_code == 401:
            logger.error(f"add-account 后端返回 401: {response.text[:500]}")
            return jsonify({
                'success': False,
                'message': '登录已过期，请重新登录后再试',
                'need_login': True,
            }), 401
        else:
            logger.error(f"add-account 后端返回失败: status={response.status_code}, body={response.text[:500]}")
            return jsonify({
                'success': False,
                'message': result.get('message', result.get('detail', '添加账号失败')),
            }), 400

    except Exception as e:
        logger.exception("添加账号异常")
        return jsonify({'success': False, 'message': str(e)}), 500

@app.route('/accounts/<account_id>')
@login_required
def account_detail(account_id):
    try:
        # 获取账号详情
        response = api_request('GET', f'{API_BASE_URL}/api/v1/accounts/{account_id}')
        account_data = response.json()
        account = account_data.get('data') if account_data.get('success') else None

        # 获取任务列表
        tasks_response = api_request('GET', f'{API_BASE_URL}/api/v1/accounts/{account_id}/tasks')
        tasks_data = tasks_response.json()
        tasks = tasks_data.get('data', []) if tasks_data.get('success') else []

        # 获取签到日志
        page = request.args.get('page', 1, type=int)
        logs_response = api_request(
            'GET',
            f'{API_BASE_URL}/api/v1/accounts/{account_id}/signin-logs',
            params={'page': page, 'size': 20},
        )
        logs_data = logs_response.json()
        logs = logs_data.get('data', {}) if logs_data.get('success') else {}
        # 确保 logs 有默认结构，避免模板报错
        if not isinstance(logs, dict):
            logs = {}
        logs.setdefault('items', [])
        logs.setdefault('total', 0)
        logs.setdefault('page', page)
        logs.setdefault('size', 20)
        logs.setdefault('total_pages', 0)

        if not account:
            flash('账号不存在', 'danger')
            return redirect(url_for('dashboard'))

        return render_template(
            'account_detail.html',
            account=account,
            tasks=tasks,
            logs=logs,
            user=session.get('user')
        )
    except requests.RequestException as e:
        flash(f'连接错误: {str(e)}', 'danger')
        return redirect(url_for('dashboard'))


@app.route('/accounts/<account_id>/verify', methods=['POST'])
@login_required
def verify_account(account_id):
    """验证账号 Cookie 有效性"""
    try:
        response = api_request('POST', f'{API_BASE_URL}/api/v1/accounts/{account_id}/verify')
        data = response.json()
        if data.get('success') and data.get('data', {}).get('cookie_valid'):
            flash('Cookie 验证通过，账号已激活', 'success')
        else:
            flash(data.get('message', 'Cookie 无效或已过期'), 'warning')
    except requests.RequestException as e:
        flash(f'连接错误: {str(e)}', 'danger')
    return redirect(url_for('account_detail', account_id=account_id))


@app.route('/accounts/<account_id>/signin', methods=['POST'])
@login_required
def manual_signin(account_id):
    """手动触发签到"""
    try:
        response = api_request('POST', f'{API_BASE_URL}/api/v1/accounts/{account_id}/signin', json={})
        data = response.json()
        if data.get('success'):
            result = data.get('data', {})
            signed = result.get('signed', 0)
            already = result.get('already_signed', 0)
            failed = result.get('failed', 0)
            flash(f'签到完成: {signed} 成功, {already} 已签, {failed} 失败', 'success')
        else:
            flash(data.get('message', '签到失败'), 'danger')
    except requests.RequestException as e:
        flash(f'连接错误: {str(e)}', 'danger')
    return redirect(url_for('account_detail', account_id=account_id))


@app.route('/accounts/<account_id>/edit', methods=['GET', 'POST'])
@login_required
def edit_account(account_id):
    if request.method == 'POST':
        remark = request.form.get('remark')
        cookie = request.form.get('cookie')

        try:
            data = {'remark': remark}
            if cookie:
                data['cookie'] = cookie

            response = api_request(
                'PUT',
                f'{API_BASE_URL}/api/v1/accounts/{account_id}',
                json=data,
            )
            result = response.json()

            if response.status_code == 200 and result.get('success'):
                flash('账号更新成功', 'success')
                return redirect(url_for('account_detail', account_id=account_id))
            else:
                flash(result.get('message', '更新账号失败'), 'danger')
        except requests.RequestException as e:
            flash(f'连接错误: {str(e)}', 'danger')

    try:
        response = api_request('GET', f'{API_BASE_URL}/api/v1/accounts/{account_id}')
        data = response.json()
        account = data.get('data') if data.get('success') else None

        if not account:
            flash('账号不存在', 'danger')
            return redirect(url_for('dashboard'))

        return render_template('edit_account.html', account=account)
    except requests.RequestException as e:
        flash(f'连接错误: {str(e)}', 'danger')
        return redirect(url_for('dashboard'))

@app.route('/accounts/<account_id>/delete', methods=['POST'])
@login_required
def delete_account(account_id):
    try:
        response = api_request('DELETE', f'{API_BASE_URL}/api/v1/accounts/{account_id}')
        data = response.json()

        if response.status_code == 200 and data.get('success'):
            flash('账号删除成功', 'success')
        else:
            flash(data.get('message', '删除账号失败'), 'danger')
    except requests.RequestException as e:
        flash(f'连接错误: {str(e)}', 'danger')

    return redirect(url_for('dashboard'))

@app.route('/accounts/<account_id>/tasks/new', methods=['GET', 'POST'])
@login_required
def add_task(account_id):
    if request.method == 'POST':
        cron_expression = request.form.get('cron_expression')

        try:
            response = api_request(
                'POST',
                f'{API_BASE_URL}/api/v1/accounts/{account_id}/tasks',
                json={'cron_expression': cron_expression},
            )
            data = response.json()

            if response.status_code in (200, 201) and data.get('success'):
                flash('任务创建成功', 'success')
                return redirect(url_for('account_detail', account_id=account_id))
            else:
                flash(data.get('message', '创建任务失败'), 'danger')
        except requests.RequestException as e:
            flash(f'连接错误: {str(e)}', 'danger')

    return render_template('add_task.html', account_id=account_id)

@app.route('/tasks/<task_id>/toggle', methods=['POST'])
@login_required
def toggle_task(task_id):
    is_enabled = request.form.get('is_enabled') == 'true'

    try:
        response = api_request(
            'PUT',
            f'{API_BASE_URL}/api/v1/tasks/{task_id}',
            json={'is_enabled': not is_enabled},
        )
        data = response.json()

        if response.status_code == 200 and data.get('success'):
            flash('任务更新成功', 'success')
        else:
            flash(data.get('message', '更新任务失败'), 'danger')
    except requests.RequestException as e:
        flash(f'连接错误: {str(e)}', 'danger')

    account_id = request.form.get('account_id')
    return redirect(url_for('account_detail', account_id=account_id))

@app.route('/tasks/<task_id>/delete', methods=['POST'])
@login_required
def delete_task(task_id):
    account_id = request.form.get('account_id')

    try:
        response = api_request('DELETE', f'{API_BASE_URL}/api/v1/tasks/{task_id}')
        data = response.json()

        if response.status_code == 200 and data.get('success'):
            flash('任务删除成功', 'success')
        else:
            flash(data.get('message', '删除任务失败'), 'danger')
    except requests.RequestException as e:
        flash(f'连接错误: {str(e)}', 'danger')

    return redirect(url_for('account_detail', account_id=account_id))

@app.route('/api/batch/verify', methods=['POST'])
@login_required
def batch_verify():
    """批量验证所有账号的 Cookie 有效性"""
    try:
        response = api_request('GET', f'{API_BASE_URL}/api/v1/accounts', params={'page': 1, 'size': 500})
        data = response.json()
        payload = data.get('data', {}) if data.get('success') else {}
        accounts = payload.get('items', []) if isinstance(payload, dict) else payload

        valid = invalid = errors = 0
        for account in accounts:
            try:
                resp = api_request('POST', f'{API_BASE_URL}/api/v1/accounts/{account["id"]}/verify')
                result = resp.json()
                if result.get('success') and result.get('data', {}).get('cookie_valid'):
                    valid += 1
                else:
                    invalid += 1
            except Exception:
                errors += 1

        return jsonify({
            'success': True,
            'data': {'valid': valid, 'invalid': invalid, 'errors': errors, 'total': len(accounts)},
        })
    except Exception as e:
        logger.exception("批量验证异常")
        return jsonify({'success': False, 'message': str(e)}), 500


@app.route('/api/batch/signin', methods=['POST'])
@login_required
def batch_signin():
    """批量签到所有正常状态的账号"""
    try:
        response = api_request('GET', f'{API_BASE_URL}/api/v1/accounts', params={'page': 1, 'size': 500})
        data = response.json()
        payload = data.get('data', {}) if data.get('success') else {}
        accounts = payload.get('items', []) if isinstance(payload, dict) else payload

        total_signed = total_already = total_failed = 0
        processed = 0
        for account in accounts:
            if account.get('status') != 'active':
                continue
            try:
                resp = api_request('POST', f'{API_BASE_URL}/api/v1/accounts/{account["id"]}/signin')
                result = resp.json()
                if result.get('success'):
                    d = result.get('data', {})
                    total_signed += d.get('signed', 0)
                    total_already += d.get('already_signed', 0)
                    total_failed += d.get('failed', 0)
                    processed += 1
            except Exception as e:
                logger.warning(f"批量签到账号 {account['id']} 失败: {e}")
                total_failed += 1

        return jsonify({
            'success': True,
            'data': {
                'total_accounts': processed,
                'total_signed': total_signed,
                'total_already': total_already,
                'total_failed': total_failed,
            },
        })
    except Exception as e:
        logger.exception("批量签到异常")
        return jsonify({'success': False, 'message': str(e)}), 500


@app.errorhandler(404)
def not_found(error):
    return render_template('404.html'), 404

@app.errorhandler(500)
def server_error(error):
    return render_template('500.html'), 500


# ===================== Admin Routes =====================

def admin_required(f):
    """管理员权限装饰器"""
    @wraps(f)
    def decorated_function(*args, **kwargs):
        if 'user' not in session:
            flash('请先登录', 'warning')
            return redirect(url_for('login'))
        if not session.get('user', {}).get('is_admin'):
            flash('需要管理员权限', 'danger')
            return redirect(url_for('dashboard'))
        return f(*args, **kwargs)
    return decorated_function


@app.route('/admin')
@admin_required
def admin_panel():
    """管理员面板"""
    # 获取用户列表
    try:
        resp = api_request('GET', f'{AUTH_BASE_URL}/admin/users')
        users = resp.json().get('data', []) if resp.status_code == 200 else []
    except Exception:
        users = []

    # 获取邀请码列表
    try:
        resp = api_request('GET', f'{AUTH_BASE_URL}/admin/invite-codes')
        codes = resp.json().get('data', []) if resp.status_code == 200 else []
    except Exception:
        codes = []

    # 获取系统配置
    try:
        resp = api_request('GET', f'{AUTH_BASE_URL}/admin/config')
        config = resp.json().get('data', {}) if resp.status_code == 200 else {}
    except Exception:
        config = {}

    return render_template('admin.html', users=users, invite_codes=codes, config=config, user=session.get('user'))


@app.route('/admin/config/save', methods=['POST'])
@admin_required
def save_config():
    """保存系统配置"""
    try:
        config_data = {
            'webhook_url': request.form.get('webhook_url', '').strip(),
            'daily_report_hour': request.form.get('daily_report_hour', '23').strip(),
            'daily_report_minute': request.form.get('daily_report_minute', '30').strip(),
        }
        resp = api_request('PUT', f'{AUTH_BASE_URL}/admin/config', json=config_data)
        data = resp.json()
        if resp.status_code == 200 and data.get('success'):
            flash('配置已保存，调度器将自动重新加载', 'success')
        else:
            flash(data.get('message', '保存失败'), 'danger')
    except Exception as e:
        flash(f'连接错误: {str(e)}', 'danger')
    return redirect(url_for('admin_panel'))


@app.route('/admin/webhook/test', methods=['POST'])
@admin_required
def test_webhook():
    """测试 Webhook 推送"""
    try:
        webhook_url = request.form.get('webhook_url', '').strip()
        if not webhook_url:
            return jsonify({'success': False, 'message': 'Webhook 地址为空'}), 400

        import httpx
        # 飞书格式
        if 'open.feishu.cn' in webhook_url:
            payload = {"msg_type": "text", "content": {"text": "🔔 微博超话签到系统 Webhook 测试\n如果你看到这条消息，说明推送配置正确。"}}
        elif 'qyapi.weixin.qq.com' in webhook_url:
            payload = {"msgtype": "text", "text": {"content": "🔔 微博超话签到系统 Webhook 测试\n如果你看到这条消息，说明推送配置正确。"}}
        elif 'oapi.dingtalk.com' in webhook_url:
            payload = {"msgtype": "text", "text": {"content": "🔔 微博超话签到系统 Webhook 测试\n如果你看到这条消息，说明推送配置正确。"}}
        else:
            payload = {"text": "🔔 微博超话签到系统 Webhook 测试"}

        resp = httpx.post(webhook_url, json=payload, timeout=10)
        if resp.status_code == 200:
            return jsonify({'success': True, 'message': '测试消息已发送'})
        else:
            return jsonify({'success': False, 'message': f'推送失败: HTTP {resp.status_code}'}), 400
    except Exception as e:
        return jsonify({'success': False, 'message': str(e)}), 500


@app.route('/admin/invite-codes/create', methods=['POST'])
@admin_required
def create_invite_code():
    """生成邀请码"""
    try:
        resp = api_request('POST', f'{AUTH_BASE_URL}/admin/invite-codes')
        data = resp.json()
        if resp.status_code == 200 and data.get('success'):
            code = data['data']['code']
            flash(f'邀请码已生成: {code}', 'success')
        else:
            flash('生成邀请码失败', 'danger')
    except Exception as e:
        flash(f'连接错误: {str(e)}', 'danger')
    return redirect(url_for('admin_panel'))


@app.route('/admin/invite-codes/<code_id>/delete', methods=['POST'])
@admin_required
def delete_invite_code(code_id):
    """删除邀请码"""
    try:
        resp = api_request('DELETE', f'{AUTH_BASE_URL}/admin/invite-codes/{code_id}')
        data = resp.json()
        if resp.status_code == 200 and data.get('success'):
            flash('邀请码已删除', 'success')
        else:
            flash(data.get('detail', '删除失败'), 'danger')
    except Exception as e:
        flash(f'连接错误: {str(e)}', 'danger')
    return redirect(url_for('admin_panel'))


@app.route('/admin/users/<user_id>/toggle', methods=['POST'])
@admin_required
def toggle_user(user_id):
    """启用/禁用用户"""
    try:
        resp = api_request('PUT', f'{AUTH_BASE_URL}/admin/users/{user_id}/toggle')
        data = resp.json()
        if resp.status_code == 200 and data.get('success'):
            status_text = '已启用' if data.get('is_active') else '已禁用'
            flash(f'用户{status_text}', 'success')
        else:
            flash(data.get('detail', '操作失败'), 'danger')
    except Exception as e:
        flash(f'连接错误: {str(e)}', 'danger')
    return redirect(url_for('admin_panel'))


# ===================== Topic Selection Signin =====================

@app.route('/accounts/<account_id>/topics')
@login_required
def account_topics(account_id):
    """获取超话列表页面，供用户勾选签到"""
    try:
        resp = api_request('GET', f'{API_BASE_URL}/api/v1/accounts/{account_id}/topics')
        data = resp.json()
        topics = data.get('data', {}).get('topics', []) if data.get('success') else []

        # 获取账号信息
        acc_resp = api_request('GET', f'{API_BASE_URL}/api/v1/accounts/{account_id}')
        acc_data = acc_resp.json()
        account = acc_data.get('data') if acc_data.get('success') else None

        if not account:
            flash('账号不存在', 'danger')
            return redirect(url_for('dashboard'))

        return render_template('topics.html', account=account, topics=topics, user=session.get('user'))
    except Exception as e:
        flash(f'获取超话列表失败: {str(e)}', 'danger')
        return redirect(url_for('account_detail', account_id=account_id))


@app.route('/accounts/<account_id>/signin-selected', methods=['POST'])
@login_required
def signin_selected(account_id):
    """签到选中的超话"""
    try:
        indices = request.json.get('topic_indices', [])
        resp = api_request(
            'POST',
            f'{API_BASE_URL}/api/v1/accounts/{account_id}/signin',
            json={'topic_indices': indices},
        )
        data = resp.json()
        if data.get('success'):
            result = data.get('data', {})
            return jsonify({
                'success': True,
                'data': result,
                'message': f"签到完成: {result.get('signed', 0)} 成功, {result.get('already_signed', 0)} 已签, {result.get('failed', 0)} 失败",
            })
        else:
            return jsonify({'success': False, 'message': data.get('message', '签到失败')}), 400
    except Exception as e:
        return jsonify({'success': False, 'message': str(e)}), 500

if __name__ == '__main__':
    debug_mode = os.getenv('FLASK_DEBUG', 'True').lower() in ('true', '1', 'yes')
    # use_reloader=False 避免 Windows 终端 QuickEdit 模式导致进程挂起
    app.run(host='0.0.0.0', debug=debug_mode, port=5000, use_reloader=False)