name: Next.js CI/CD 流水线

on:
  push:
    branches: [ "main" ]
  pull_request:
    branches: [ "main" ]

jobs:
  # 构建作业
  build:
    runs-on: ubuntu-latest

    steps:
      # 检出代码
      - name: 检出代码
        uses: actions/checkout@v4

      # 配置 Node.js
      - name: 配置 Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '22'
          
      # 安装 pnpm
      - name: 安装 pnpm
        uses: pnpm/action-setup@v4
        with:
          version: 'latest'

      # 获取 pnpm store 目录
      - name: 获取 pnpm store 目录
        shell: bash
        run: |
          echo "STORE_PATH=$(pnpm store path --silent)" >> $GITHUB_ENV

      # 缓存 pnpm 依赖
      - name: 缓存 pnpm 依赖
        uses: actions/cache@v4
        with:
          path: ${{ env.STORE_PATH }}
          key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}
          restore-keys: |
            ${{ runner.os }}-pnpm-store-

      # 安装依赖
      - name: 安装依赖
        run: pnpm install --frozen-lockfile

      # 代码检查
      - name: 代码检查
        run: pnpm run lint --fix || true

      # 构建应用
      - name: 构建应用
        run: pnpm run build

      # 创建部署包
      - name: 创建部署包
        run: |
          # 创建部署目录
          mkdir -p deploy-package
          
          # 复制必要文件
          cp -r .next deploy-package/
          cp -r public deploy-package/
          cp -r src deploy-package/
          cp package.json deploy-package/
          cp pnpm-lock.yaml deploy-package/
          cp next.config.ts deploy-package/
          cp Dockerfile deploy-package/
          cp .dockerignore deploy-package/
          
          # 创建压缩包
          tar -czf deploy-package.tar.gz -C deploy-package .

      # 上传部署包
      - name: 上传部署包
        uses: actions/upload-artifact@v4
        with:
          name: deploy-package
          path: deploy-package.tar.gz
          retention-days: 7

  # 部署作业（仅在 main 分支）
  deploy:
    needs: build
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/main' && github.event_name == 'push'
    
    steps:
      # 下载部署包
      - name: 下载部署包
        uses: actions/download-artifact@v4
        with:
          name: deploy-package

      # 拷贝部署包到服务器
      - name: 拷贝部署包到服务器
        uses: appleboy/scp-action@master
        with:
          host: ${{ secrets.SERVER_HOST }}
          username: ${{ secrets.SERVER_USERNAME }}
          key: ${{ secrets.SERVER_SSH_KEY }}
          source: "deploy-package.tar.gz"
          target: "/vol1/1000/Docker/"
          overwrite: true

      # 在服务器上部署
      - name: 在服务器上部署应用
        uses: appleboy/ssh-action@master
        with:
          host: ${{ secrets.SERVER_HOST }}
          username: ${{ secrets.SERVER_USERNAME }}
          key: ${{ secrets.SERVER_SSH_KEY }}
          script: |
            set -e  # 遇到错误立即退出
            
            echo "开始部署 saas2 应用..."
            
            # 进入 Docker 目录
            cd /vol1/1000/Docker/
            
            # 创建项目目录
            mkdir -p saas2
            cd saas2
            
            # 备份当前版本（如果存在）
            if [ -d "backup" ]; then
              rm -rf backup
            fi
            if [ -f "package.json" ]; then
              mkdir -p backup
              cp -r ./* backup/ 2>/dev/null || true
              echo "已备份当前版本"
            fi
            
            # 解压新版本
            tar -xzf ../deploy-package.tar.gz
            echo "已解压新版本"
            
            # 停止并删除旧容器（如果存在）
            if [ "$(docker ps -q -f name=saas2-app)" ]; then
              echo "停止运行中的容器..."
              docker stop saas2-app
            fi
            
            if [ "$(docker ps -aq -f name=saas2-app)" ]; then
              echo "删除旧容器..."
              docker rm saas2-app
            fi
            
            # 删除旧镜像（如果存在）
            if [ "$(docker images -q saas2-app:latest)" ]; then
              echo "删除旧镜像..."
              docker rmi saas2-app:latest
            fi
            
            # 构建新的Docker镜像
            echo "构建新的 Docker 镜像..."
            docker build -t saas2-app:latest .
            
            # 运行新容器
            echo "启动新容器..."
            docker run -d \
              --name saas2-app \
              --restart unless-stopped \
              -p 3000:3000 \
              --health-cmd="curl -f http://localhost:3000/api/health || exit 1" \
              --health-interval=30s \
              --health-timeout=10s \
              --health-retries=3 \
              saas2-app:latest
            
            # 等待容器启动
            echo "等待容器启动..."
            sleep 10
            
            # 检查容器状态
            if [ "$(docker ps -q -f name=saas2-app)" ]; then
              echo "✅ 部署成功！容器状态："
              docker ps | grep saas2-app
              echo ""
              echo "应用访问地址: http://$(hostname -I | awk '{print $1}'):3000"
            else
              echo "❌ 部署失败！容器未能正常启动"
              echo "容器日志："
              docker logs saas2-app || true
              exit 1
            fi
            
            # 清理无用的Docker资源
            echo "清理无用的 Docker 资源..."
            docker system prune -f
            
            # 删除部署包
            rm -f ../deploy-package.tar.gz
            
            echo "🎉 部署完成！"