name: Build and Push Docker Image

on:
  release:
    types:
      - published  # 当通过 GitHub Releases 页面创建 release 时触发

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    
    permissions:
      contents: write  # 需要写权限以上传 Assets
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          ref: ${{ github.event.release.tag_name }}  # 使用 release 对应的 tag
      
      - name: Extract version and check if pre-release
        id: extract_version
        run: |
          # 从 release tag 中提取版本号（例如 v1.0.0 -> 1.0.0）
          TAG_NAME="${{ github.event.release.tag_name }}"
          if [ -z "$TAG_NAME" ]; then
            TAG_NAME=${GITHUB_REF#refs/tags/}
          fi
          
          # 验证版本号格式：v数字.数字.数字[-后缀]（例如 v1.0.0, v2.10.102, v1.0.0-beta）
          if [[ ! "$TAG_NAME" =~ ^v[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.-]+)?$ ]]; then
            echo "错误: 版本号格式不正确，应为 v数字.数字.数字 或 v数字.数字.数字-后缀 (例如: v1.0.0, v1.0.0-beta)"
            exit 1
          fi
          
          VERSION=${TAG_NAME#v}  # 移除 v 前缀
          IS_PRERELEASE="${{ github.event.release.prerelease }}"
          
          echo "VERSION=$VERSION" >> $GITHUB_OUTPUT
          echo "TAG=$TAG_NAME" >> $GITHUB_OUTPUT
          echo "IS_PRERELEASE=$IS_PRERELEASE" >> $GITHUB_OUTPUT
          
          if [ "$IS_PRERELEASE" = "true" ]; then
            echo "📋 这是 Pre-release: $TAG_NAME"
          else
            echo "📦 这是正式版本: $TAG_NAME"
          fi
      
      - name: Send Telegram notification (build started)
        if: steps.extract_version.outputs.IS_PRERELEASE == 'false'
        env:
          TELEGRAM_BOT_TOKEN: ${{ secrets.TELEGRAM_BOT_TOKEN }}
          TELEGRAM_CHAT_ID: ${{ secrets.TELEGRAM_CHAT_ID }}
        run: |
          # 检查必要的环境变量
          if [ -z "$TELEGRAM_BOT_TOKEN" ] || [ -z "$TELEGRAM_CHAT_ID" ]; then
            echo "⚠️  Telegram Bot Token 或 Chat ID 未配置，跳过通知"
            exit 0
          fi
          
          # 获取构建信息
          VERSION="${{ steps.extract_version.outputs.VERSION }}"
          TAG="${{ steps.extract_version.outputs.TAG }}"
          RELEASE_URL="${{ github.event.release.html_url }}"
          
          # 构建消息内容（仅包含关键信息）
          MESSAGE="🔨 <b>Docker 镜像构建中</b>"$'\n'$'\n'"📦 <b>版本:</b> ${VERSION}"$'\n'"🏷️ <b>Tag:</b> <code>${TAG}</code>"$'\n'"🔗 <a href=\"${RELEASE_URL}\">查看 Release</a>"
          
          # 发送 Telegram 消息（使用 jq 转义 JSON）
          curl -s -X POST "https://api.telegram.org/bot${TELEGRAM_BOT_TOKEN}/sendMessage" \
            -H "Content-Type: application/json" \
            -d "$(jq -n \
              --arg chat_id "$TELEGRAM_CHAT_ID" \
              --arg text "$MESSAGE" \
              '{chat_id: $chat_id, text: $text, parse_mode: "HTML", disable_web_page_preview: false}')" > /tmp/telegram_response.json
          
          # 检查发送结果
          if [ $? -eq 0 ]; then
            RESPONSE=$(cat /tmp/telegram_response.json)
            if echo "$RESPONSE" | grep -q '"ok":true'; then
              echo "✅ Telegram 通知发送成功"
            else
              echo "❌ Telegram 通知发送失败: $RESPONSE"
              # 通知失败不应该导致整个 job 失败
              exit 0
            fi
          else
            echo "❌ 发送 Telegram 消息时发生错误"
            # 通知失败不应该导致整个 job 失败
            exit 0
          fi
      
      # ============ 编译前后端产物 ============
      - name: Setup JDK 17
        uses: actions/setup-java@v4
        with:
          java-version: '17'
          distribution: 'temurin'
      
      - name: Build Backend JAR
        run: |
          cd backend
          chmod +x gradlew
          ./gradlew bootJar --no-daemon
          echo "✅ 后端构建完成"
          ls -lh build/libs/*.jar
      
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '18'
      
      - name: Build Frontend
        env:
          VERSION: ${{ steps.extract_version.outputs.VERSION }}
          GIT_TAG: ${{ steps.extract_version.outputs.TAG }}
          GITHUB_REPO_URL: https://github.com/WrBug/PolyHermes
        run: |
          cd frontend
          npm ci
          npm run build
          echo "✅ 前端构建完成"
          echo "📦 版本信息: VERSION=${{ steps.extract_version.outputs.VERSION }}, GIT_TAG=${{ steps.extract_version.outputs.TAG }}"
          du -sh dist/
      
      # ============ 打包更新包 ============
      - name: Create Update Package
        run: |
          echo "📦 开始打包更新包..."
          
          # 创建目录结构
          mkdir -p update-package/backend
          mkdir -p update-package/frontend
          
          # 复制后端 JAR
          cp backend/build/libs/*.jar update-package/backend/polyhermes.jar
          echo "✅ 后端 JAR 已复制"
          
          # 复制前端产物
          cp -r frontend/dist/* update-package/frontend/
          echo "✅ 前端文件已复制"
          
          # 创建版本信息文件
          cat > update-package/version.json <<EOF
          {
            "version": "${{ steps.extract_version.outputs.VERSION }}",
            "tag": "${{ steps.extract_version.outputs.TAG }}",
            "buildTime": "$(date -u +%Y-%m-%dT%H:%M:%SZ)",
            "releaseNotes": $(echo '${{ github.event.release.body }}' | jq -Rs .)
          }
          EOF
          echo "✅ 版本信息已创建"
          
          # 打包成 tar.gz
          cd update-package
          tar -czf ../polyhermes-${{ steps.extract_version.outputs.TAG }}-update.tar.gz .
          cd ..
          
          echo "✅ 打包完成: polyhermes-${{ steps.extract_version.outputs.TAG }}-update.tar.gz"
          ls -lh polyhermes-*.tar.gz
      
      - name: Calculate Checksum
        id: checksum
        run: |
          FILE="polyhermes-${{ steps.extract_version.outputs.TAG }}-update.tar.gz"
          CHECKSUM=$(sha256sum "$FILE" | awk '{print $1}')
          echo "CHECKSUM=$CHECKSUM" >> $GITHUB_OUTPUT
          echo "✅ SHA256: $CHECKSUM"
          echo "$CHECKSUM  $FILE" > checksums.txt
      
      - name: Upload Update Package to Release
        uses: actions/upload-release-asset@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ github.event.release.upload_url }}
          asset_path: ./polyhermes-${{ steps.extract_version.outputs.TAG }}-update.tar.gz
          asset_name: polyhermes-${{ steps.extract_version.outputs.TAG }}-update.tar.gz
          asset_content_type: application/gzip
      
      - name: Upload Checksums
        uses: actions/upload-release-asset@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ github.event.release.upload_url }}
          asset_path: ./checksums.txt
          asset_name: checksums.txt
          asset_content_type: text/plain
      
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          # 启用多架构构建支持
          platforms: linux/amd64,linux/arm64
      
      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}
      
      - name: Prepare Docker build context
        run: |
          echo "📦 准备 Docker 构建上下文..."
          # 确保构建产物存在且可访问
          if [ ! -d "frontend/dist" ]; then
            echo "❌ 错误：frontend/dist 不存在"
            exit 1
          fi
          if [ ! -d "backend/build/libs" ] || [ -z "$(ls -A backend/build/libs/*.jar 2>/dev/null)" ]; then
            echo "❌ 错误：backend/build/libs/*.jar 不存在"
            exit 1
          fi
          echo "✅ 构建产物已准备好"
          ls -lh frontend/dist/ | head -5
          ls -lh backend/build/libs/*.jar
      
      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./Dockerfile
          push: true
          # 多架构构建：支持 amd64 和 arm64
          platforms: linux/amd64,linux/arm64
          tags: |
            wrbug/polyhermes:${{ steps.extract_version.outputs.TAG }}
            ${{ steps.extract_version.outputs.IS_PRERELEASE == 'false' && 'wrbug/polyhermes:latest' || '' }}
          build-args: |
            BUILD_IN_DOCKER=false
            VERSION=${{ steps.extract_version.outputs.VERSION }}
            GIT_TAG=${{ steps.extract_version.outputs.TAG }}
            GITHUB_REPO_URL=https://github.com/WrBug/PolyHermes
          cache-from: type=registry,ref=wrbug/polyhermes:latest
          cache-to: type=inline

      - name: Send Telegram notification
        if: steps.extract_version.outputs.IS_PRERELEASE == 'false'
        env:
          TELEGRAM_BOT_TOKEN: ${{ secrets.TELEGRAM_BOT_TOKEN }}
          TELEGRAM_CHAT_ID: ${{ secrets.TELEGRAM_CHAT_ID }}
        run: |
          # 检查必要的环境变量
          if [ -z "$TELEGRAM_BOT_TOKEN" ] || [ -z "$TELEGRAM_CHAT_ID" ]; then
            echo "⚠️  Telegram Bot Token 或 Chat ID 未配置，跳过通知"
            exit 0
          fi
          
          # 获取构建信息
          VERSION="${{ steps.extract_version.outputs.VERSION }}"
          TAG="${{ steps.extract_version.outputs.TAG }}"
          RELEASE_NAME="${{ github.event.release.name }}"
          RELEASE_URL="${{ github.event.release.html_url }}"
          REPO_NAME="${{ github.repository }}"
          
          # 构建消息内容（仅包含关键信息）
          DEPLOY_DOC_URL="https://github.com/WrBug/PolyHermes/blob/main/docs/zh/DEPLOYMENT.md"
          MESSAGE="✅ <b>Docker 镜像构建成功</b>"$'\n'$'\n'"📦 <b>版本:</b> ${VERSION}"$'\n'"🏷️ <b>Tag:</b> <code>${TAG}</code>"$'\n'"🔗 <a href=\"${RELEASE_URL}\">查看 Release</a>"$'\n'"📚 <a href=\"${DEPLOY_DOC_URL}\">Docker 部署文档</a>"
          
          # 发送 Telegram 消息（使用 jq 转义 JSON）
          curl -s -X POST "https://api.telegram.org/bot${TELEGRAM_BOT_TOKEN}/sendMessage" \
            -H "Content-Type: application/json" \
            -d "$(jq -n \
              --arg chat_id "$TELEGRAM_CHAT_ID" \
              --arg text "$MESSAGE" \
              '{chat_id: $chat_id, text: $text, parse_mode: "HTML", disable_web_page_preview: false}')" > /tmp/telegram_response.json
          
          # 检查发送结果
          if [ $? -eq 0 ]; then
            RESPONSE=$(cat /tmp/telegram_response.json)
            if echo "$RESPONSE" | grep -q '"ok":true'; then
              echo "✅ Telegram 通知发送成功"
            else
              echo "❌ Telegram 通知发送失败: $RESPONSE"
              # 构建成功，通知失败不应该导致整个 job 失败
              exit 0
            fi
          else
            echo "❌ 发送 Telegram 消息时发生错误"
            # 构建成功，通知失败不应该导致整个 job 失败
            exit 0
          fi