name: 构建并部署 Spring Boot 应用

on:
  push:
    branches: [main, develop]
  pull_request:
    branches: [main]

jobs:
  build-and-deploy:
    runs-on: self-hosted  # 使用自托管 Runner

    steps:
      - name: 检出代码
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: 设置 JDK 17
        uses: actions/setup-java@v4
        with:
          java-version: '17'
          distribution: 'temurin'
          cache: 'maven'

      - name: 验证环境
        run: |
          echo "Runner 工作目录: $(pwd)"
          echo "Docker 信息:"
          docker --version
          docker info
          echo "Maven 信息:"
          mvn --version

      - name: 缓存 Maven 依赖
        uses: actions/cache@v3
        with:
          path: ~/.m2/repository
          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
          restore-keys: |
            ${{ runner.os }}-maven-

      - name: 运行测试
        run: mvn test

      - name: 使用 Jib 构建到本地 Docker
        run: |
          # 使用 Jib 直接构建到本地 Docker 守护进程
          # 这会利用 Jib 的分层缓存机制，后续构建会更快
          mvn compile jib:dockerBuild -DskipTests \
            -Djib.to.image=light-delivery-app:latest \
            -Djib.container.ports=8080,8443 \
            -Djib.container.environment.SPRING_PROFILES_ACTIVE=prod \
            -Djib.container.jvmFlags=-Xmx512m,-Xms256m

      - name: 验证镜像构建
        run: |
          echo "构建的 Docker 镜像:"
          docker images | grep light-delivery-app
          echo "镜像详情:"
          docker inspect light-delivery-app:latest --format='Size: {{.Size}} bytes, Created: {{.Created}}'

      - name: 停止旧容器
        run: |
          # 优雅停止旧容器
          docker stop light-delivery-container 2>/dev/null || echo "没有运行中的容器"
          docker rm light-delivery-container 2>/dev/null || echo "没有可删除的容器"

      - name: 备份当前镜像（可选）
        run: |
          # 为当前运行中的镜像创建备份标签
          if docker images light-delivery-app:latest --quiet | grep -q .; then
            BACKUP_TAG="backup-$(date +%Y%m%d-%H%M%S)"
            docker tag light-delivery-app:latest light-delivery-app:$BACKUP_TAG
            echo "已创建备份: light-delivery-app:$BACKUP_TAG"
          fi

      - name: 运行新容器
        run: |
          # 创建必要的目录
          sudo mkdir -p /app/logs
          sudo mkdir -p /etc/ssl/certs
          sudo chown $USER:$USER /app/logs 2>/dev/null || true
          
          echo "启动新容器..."
          docker run -d \
            --name light-delivery-container \
            --restart=unless-stopped \
            --log-opt max-size=10m \
            --log-opt max-file=3 \
            -p 8080:8080 \
            -p 8443:8443 \
            -e SPRING_PROFILES_ACTIVE=prod \
            -e JAVA_OPTS="-Xmx512m -Xms256m -Djava.security.egd=file:/dev/./urandom" \
            -v /app/logs:/app/logs \
            -v /etc/ssl/certs:/etc/ssl/certs:ro \
            -e SERVER_SSL_KEY_STORE_PASSWORD="${{ secrets.KEY_STORE_PASSWORD }}" \
            light-delivery-app:latest

      - name: 等待应用启动并健康检查
        run: |
          echo "等待应用启动..."
          # 最大重试次数
          MAX_RETRIES=12
          RETRY_COUNT=0
          
          while [ $RETRY_COUNT -lt $MAX_RETRIES ]; do
            if curl -f -s http://localhost:8080/actuator/health > /dev/null 2>&1; then
              echo "✅ 应用健康检查通过"
          
              # 获取详细的健康信息
              HEALTH_INFO=$(curl -s http://localhost:8080/actuator/health)
              echo "健康状态: $HEALTH_INFO"
              break
            fi
          
            RETRY_COUNT=$((RETRY_COUNT + 1))
            echo "健康检查失败 ($RETRY_COUNT/$MAX_RETRIES)，10秒后重试..."
            sleep 10
          done
          
          if [ $RETRY_COUNT -eq $MAX_RETRIES ]; then
            echo "❌ 应用启动超时，查看日志:"
            docker logs light-delivery-container --tail 50
            exit 1
          fi

      - name: 清理资源
        run: |
          # 清理旧的备份镜像（保留最近5个）
          echo "清理旧的备份镜像..."
          docker images light-delivery-app --filter "reference=light-delivery-app:backup-*" \
            --format "{{.Tag}}\t{{.CreatedAt}}" | \
            sort -k2 -r | \
            tail -n +6 | \
            awk '{print $1}' | \
            xargs -r -I {} docker rmi light-delivery-app:{} || echo "无需清理"
          
          # 清理无用镜像和容器
          docker system prune -f

      - name: 部署完成通知
        run: |
          echo "🎉 部署完成!"
          echo "应用运行在: http://localhost:8080"
          echo "容器状态: $(docker inspect light-delivery-container --format='{{.State.Status}}')"
          echo "启动时间: $(docker inspect light-delivery-container --format='{{.State.StartedAt}}')"