name: 构建并部署 AI Agent 服务

on:
  push:
    branches: [ main, master ]
  workflow_dispatch:

jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:
      - name: 检出代码
        uses: actions/checkout@v4.1.1
        with:
          fetch-depth: 0

      - name: 设置 Python 3.11
        uses: actions/setup-python@v4.7.1
        with:
          python-version: '3.11'

      - name: 缓存 pip 依赖
        uses: actions/cache@v3.3.2
        with:
          path: ~/.cache/pip
          key: ${{ runner.os }}-pip-${{ hashFiles('requirement.txt') }}
          restore-keys: |
            ${{ runner.os }}-pip-

      - name: 安装 Python 依赖 (仅用于验证)
        run: pip install -r requirement.txt

      - name: 准备环境变量文件
        run: |
          cat > .env << EOF
          ZHIPUAI_API_KEY=${{ secrets.ZHIPUAI_API_KEY }}
          VLLM_LOCAL_KEY=${{ secrets.VLLM_LOCAL_KEY }}
          EOF

      - name: 重新构建并启动前后端服务（不影响数据库）
        run: docker compose up -d --build backend frontend

      - name: 健康检查
        run: |
          echo "等待后端服务启动..."
          sleep 15
          for i in {1..10}; do
            if curl -f http://localhost:8001/ > /dev/null 2>&1; then
              echo "✅ 后端服务正常"
              exit 0
            fi
            echo "等待中... ($i/10)"
            sleep 5
          done
          echo "❌ 后端服务未就绪，查看日志："
          docker compose logs backend --tail 50
          exit 1

      - name: 清理无用的 Docker 资源
        run: docker system prune -f

      - name: 显示运行状态
        run: docker compose ps