name: Build and Deploy Server

on:
  push:
    branches:
      - main
    paths:
      - "server/**"
      - ".gitea/workflows/server-deploy.yml"

jobs:
  build:
    # 专属运行器：docker://golang:1.22-bookworm（注册于 doc79）
    runs-on: lunar-ci
    steps:
      - uses: https://gitea.neatcn.com/gouki/action-checkout@v4
        with:
          fetch-depth: 20
      
      - name: Verify Go runtime
        run: go version
      
      - name: Install dependencies
        working-directory: server
        run: go mod download
      
      - name: Run tests
        working-directory: server
        run: go test ./...
      
      - name: Build application
        working-directory: server
        env:
          GITEA_SHA: ${{ gitea.sha }}
          GITEA_RUN_NUMBER: ${{ gitea.run_number }}
        run: |
          mkdir -p bin
          
          # 生成版本号（使用构建编号）
          VERSION="1.0.${GITEA_RUN_NUMBER}"
          BUILD_TIME="$(date -u +%Y-%m-%dT%H:%M:%SZ)"
          COMMIT_SHORT="${GITEA_SHA:0:7}"
          
          echo "Building server version: $VERSION"
          echo "Build time: $BUILD_TIME"
          echo "Commit SHA: $COMMIT_SHORT"
          
          # 使用 ldflags 注入版本信息
          go build -ldflags "\
            -X main.Version=$VERSION \
            -X main.BuildTime=$BUILD_TIME \
            -X main.CommitSha=$COMMIT_SHORT" \
            -o bin/server cmd/main.go
          
          # 同时保存版本信息到文件（用于部署时读取）
          cat > bin/version.env <<EOF
          APP_VERSION=$VERSION
          APP_BUILD_TIME=$BUILD_TIME
          APP_COMMIT_SHA=$COMMIT_SHORT
          EOF
          
          echo "Version info saved to bin/version.env:"
          cat bin/version.env
      
      - name: Create deployment package
        working-directory: server
        run: |
          mkdir -p deploy
          cp -r bin/ deploy/
          cp -r migrations/ deploy/
          cp -r scripts/ deploy/
          # 管理后台静态资源必须随包发布（服务以相对路径 ./web 提供）
          if [ -d "web" ]; then
            cp -r web/ deploy/web/
          fi
          tar -czf deploy.tar.gz deploy/
      
      - name: Persist deployment package on runner host
        run: |
          test -f server/deploy.tar.gz
          test -d /ci-artifacts
          cp server/deploy.tar.gz "/ci-artifacts/server-deploy-${{ gitea.sha }}.tar.gz"
          cp server/deploy.tar.gz /ci-artifacts/server-deploy-latest.tar.gz
          ls -la /ci-artifacts/server-deploy-latest.tar.gz
          echo "Deployment package saved on runner host: /opt/lunar/ci-artifacts/server-deploy-latest.tar.gz"
      
      - name: Send success notification
        if: success()
        env:
          TELEGRAM_BOT_TOKEN: ${{ secrets.TELEGRAM_BOT_TOKEN }}
          TELEGRAM_CHAT_ID: ${{ secrets.TELEGRAM_CHAT_ID }}
          DISCORD_WEBHOOK_URL: ${{ secrets.DISCORD_WEBHOOK_URL }}
          GITEA_RUN_NUMBER: ${{ gitea.run_number }}
        run: |
          VERSION="1.0.${GITEA_RUN_NUMBER}"
          bash .gitea/scripts/notify.sh success \
            "后端构建成功" \
            "版本: v${VERSION}\n产物: /opt/lunar/ci-artifacts/server-deploy-latest.tar.gz\n部署由服务器侧 watcher 自动拉取完成"
      
      - name: Send failure notification
        if: failure()
        env:
          TELEGRAM_BOT_TOKEN: ${{ secrets.TELEGRAM_BOT_TOKEN }}
          TELEGRAM_CHAT_ID: ${{ secrets.TELEGRAM_CHAT_ID }}
          DISCORD_WEBHOOK_URL: ${{ secrets.DISCORD_WEBHOOK_URL }}
        run: |
          bash .gitea/scripts/notify.sh failure \
            "后端构建失败" \
            "请检查 Actions 日志了解失败原因"
      
      - name: Cleanup
        if: always()
        run: |
          rm -rf server/deploy/
          rm -f server/deploy.tar.gz