name: Deploy Django App

on:
  push:
    branches:
      - main  # 触发条件：当代码推送到 main 分支时

jobs:
  deploy:
    runs-on: ubuntu-latest  # 使用 GitHub 提供的 Ubuntu 环境

    steps:
      # 步骤 1：检出代码
      - name: Checkout code
        uses: actions/checkout@v3

      # 步骤 2：设置 Python 环境
      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.9'  # 指定 Python 版本

      # 步骤 3：安装依赖
      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install -r requirements.txt

      # 步骤 4：运行测试（可选）
      - name: Run tests
        run: |
          python manage.py test

      # 步骤 5：部署到生产服务器
      - name: Deploy to production
        uses: appleboy/ssh-action@v1
        with:
          host: ${{ secrets.PRODUCTION_HOST }}  # 生产服务器 IP 或域名
          username: ${{ secrets.PRODUCTION_USER }}  # SSH 用户名
          key: ${{ secrets.PRODUCTION_SSH_KEY }}  # SSH 私钥
          script: |
            cd /opt/myapp  # 项目部署目录
            git pull origin main  # 拉取最新代码
            source /opt/myenv/bin/activate  # 激活虚拟环境
            pip install -r requirements.txt  # 安装依赖
            python manage.py collectstatic --noinput  # 收集静态文件
            python manage.py migrate --noinput  # 执行数据库迁移
            sudo systemctl restart gunicorn  # 重启 Gunicorn
            sudo systemctl restart nginx  # 重启 Nginx