#!/bin/bash

# ============================================================
#  Weibo-HotSign Linux 启动脚本
#  使用方式: chmod +x start_linux.sh && ./start_linux.sh
# ============================================================

PROJECT_DIR="$(cd "$(dirname "$0")" && pwd)"
PID_DIR="${PROJECT_DIR}/.pids"
LOG_DIR="${PROJECT_DIR}/logs"

RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m'

info()  { echo -e "${GREEN}[✓]${NC} $1"; }
warn()  { echo -e "${YELLOW}[!]${NC} $1"; }
error() { echo -e "${RED}[✗]${NC} $1"; exit 1; }

# 创建目录
mkdir -p "$PID_DIR" "$LOG_DIR"

# 检查是否已在运行
check_running() {
    local name=$1
    local pidfile="${PID_DIR}/${name}.pid"
    if [ -f "$pidfile" ]; then
        local pid=$(cat "$pidfile")
        if kill -0 "$pid" 2>/dev/null; then
            warn "${name} 已在运行 (PID: ${pid})，跳过"
            return 0
        else
            rm -f "$pidfile"
        fi
    fi
    return 1
}

echo ""
echo "========================================"
echo "  Weibo-HotSign 启动服务"
echo "========================================"
echo ""

# ------ 1. 启动 Auth Service (端口 8001) ------

if ! check_running "auth_service"; then
    info "启动 Auth Service (端口 8001)..."
    source "${PROJECT_DIR}/backend/venv/bin/activate"
    cd "${PROJECT_DIR}/backend"
    PYTHONPATH="${PROJECT_DIR}/backend" nohup python -m uvicorn auth_service.app.main:app \
        --host 0.0.0.0 --port 8001 \
        > "${LOG_DIR}/auth_service.log" 2>&1 &
    echo $! > "${PID_DIR}/auth_service.pid"
    deactivate
    cd "${PROJECT_DIR}"
    sleep 2
    info "Auth Service 已启动 (PID: $(cat ${PID_DIR}/auth_service.pid))"
fi

# ------ 2. 启动 API Service (端口 8000) ------

if ! check_running "api_service"; then
    info "启动 API Service (端口 8000)..."
    source "${PROJECT_DIR}/backend/venv/bin/activate"
    cd "${PROJECT_DIR}/backend"
    PYTHONPATH="${PROJECT_DIR}/backend" nohup python -m uvicorn api_service.app.main:app \
        --host 0.0.0.0 --port 8000 \
        > "${LOG_DIR}/api_service.log" 2>&1 &
    echo $! > "${PID_DIR}/api_service.pid"
    deactivate
    cd "${PROJECT_DIR}"
    sleep 2
    info "API Service 已启动 (PID: $(cat ${PID_DIR}/api_service.pid))"
fi

# ------ 3. 启动 Frontend (端口 5000) ------

if ! check_running "frontend"; then
    info "启动 Frontend (端口 5000)..."
    source "${PROJECT_DIR}/frontend/venv/bin/activate"
    cd "${PROJECT_DIR}/frontend"
    nohup python app.py \
        > "${LOG_DIR}/frontend.log" 2>&1 &
    echo $! > "${PID_DIR}/frontend.pid"
    deactivate
    cd "${PROJECT_DIR}"
    sleep 2
    info "Frontend 已启动 (PID: $(cat ${PID_DIR}/frontend.pid))"
fi

echo ""
echo "========================================"
echo "  所有服务已启动"
echo "========================================"
echo ""
echo "  前端界面:    http://localhost:5000"
echo "  API Service: http://localhost:8000"
echo "  Auth Service: http://localhost:8001"
echo ""
echo "  日志目录: ${LOG_DIR}/"
echo "  停止服务: ./stop_linux.sh"
echo "  查看日志: tail -f logs/auth_service.log"
echo ""