name: Auto Release Pipeline

on:
  push:
    branches:
      - main

permissions:
  contents: write
  packages: write

jobs:
  release-pipeline:
    runs-on: ubuntu-latest
    # 跳过由GitHub Actions创建的提交，避免死循环
    if: github.event.pusher.name != 'github-actions[bot]' && !contains(github.event.head_commit.message, '[skip ci]')
    steps:
    - name: Checkout code
      uses: actions/checkout@v4
      with:
        fetch-depth: 0
        token: ${{ secrets.GITHUB_TOKEN }}

    - name: Check if version bump is needed
      id: check
      run: |
        # 获取当前提交的文件变更
        CHANGED_FILES=$(git diff --name-only HEAD~1..HEAD 2>/dev/null || git diff --name-only $(git rev-list --max-parents=0 HEAD)..HEAD)
        echo "Changed files:"
        echo "$CHANGED_FILES"
        
        # 检查是否只有无关文件（.md, docs/, .github/等）
        SIGNIFICANT_CHANGES=false
        while IFS= read -r file; do
          # 跳过空行
          [ -z "$file" ] && continue
          
          # 检查是否是需要忽略的文件
          if [[ ! "$file" =~ \.(md|txt)$ ]] && 
             [[ ! "$file" =~ ^docs/ ]] && 
             [[ ! "$file" =~ ^\.github/ ]] &&
             [[ "$file" != "VERSION" ]] &&
             [[ "$file" != ".gitignore" ]] &&
             [[ "$file" != "LICENSE" ]]; then
            echo "Found significant change in: $file"
            SIGNIFICANT_CHANGES=true
            break
          fi
        done <<< "$CHANGED_FILES"
        
        if [ "$SIGNIFICANT_CHANGES" = true ]; then
          echo "Significant changes detected, version bump needed"
          echo "needs_bump=true" >> $GITHUB_OUTPUT
        else
          echo "No significant changes, skipping version bump"
          echo "needs_bump=false" >> $GITHUB_OUTPUT
        fi

    - name: Get current version
      if: steps.check.outputs.needs_bump == 'true'
      id: get_version
      run: |
        # 获取最新的tag版本
        LATEST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "v0.0.0")
        echo "Latest tag: $LATEST_TAG"
        TAG_VERSION=${LATEST_TAG#v}
        
        # 获取VERSION文件中的版本
        FILE_VERSION=$(cat VERSION | tr -d '[:space:]')
        echo "VERSION file: $FILE_VERSION"
        
        # 比较tag版本和文件版本，取较大值
        function version_gt() { test "$(printf '%s\n' "$@" | sort -V | head -n 1)" != "$1"; }
        
        if version_gt "$FILE_VERSION" "$TAG_VERSION"; then
          VERSION="$FILE_VERSION"
          echo "Using VERSION file: $VERSION (newer than tag)"
        else
          VERSION="$TAG_VERSION"
          echo "Using tag version: $VERSION (newer or equal to file)"
        fi
        
        echo "Current version: $VERSION"
        echo "current_version=$VERSION" >> $GITHUB_OUTPUT

    - name: Calculate next version
      if: steps.check.outputs.needs_bump == 'true'
      id: next_version
      run: |
        VERSION="${{ steps.get_version.outputs.current_version }}"
        
        # 分割版本号
        IFS='.' read -r -a version_parts <<< "$VERSION"
        MAJOR="${version_parts[0]:-0}"
        MINOR="${version_parts[1]:-0}"
        PATCH="${version_parts[2]:-0}"
        
        # 默认递增patch版本
        NEW_PATCH=$((PATCH + 1))
        NEW_VERSION="${MAJOR}.${MINOR}.${NEW_PATCH}"
        
        echo "New version: $NEW_VERSION"
        echo "new_version=$NEW_VERSION" >> $GITHUB_OUTPUT
        echo "new_tag=v$NEW_VERSION" >> $GITHUB_OUTPUT

    # 前端构建已移至 Docker 构建流程中

    - name: Update VERSION file
      if: steps.check.outputs.needs_bump == 'true'
      run: |
        echo "${{ steps.next_version.outputs.new_version }}" > VERSION
        
        # 配置git
        git config user.name "github-actions[bot]"
        git config user.email "github-actions[bot]@users.noreply.github.com"
        
        # 提交VERSION文件 - 添加 [skip ci] 以避免再次触发
        git add VERSION
        git commit -m "chore: sync VERSION file with release ${{ steps.next_version.outputs.new_tag }} [skip ci]"

    - name: Install git-cliff
      if: steps.check.outputs.needs_bump == 'true'
      run: |
        wget -q https://github.com/orhun/git-cliff/releases/download/v1.4.0/git-cliff-1.4.0-x86_64-unknown-linux-gnu.tar.gz
        tar -xzf git-cliff-1.4.0-x86_64-unknown-linux-gnu.tar.gz
        chmod +x git-cliff-1.4.0/git-cliff
        sudo mv git-cliff-1.4.0/git-cliff /usr/local/bin/

    - name: Generate changelog
      if: steps.check.outputs.needs_bump == 'true'
      id: changelog
      run: |
        # 获取上一个tag以来的更新日志
        LATEST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "")
        if [ -n "$LATEST_TAG" ]; then
          # 排除VERSION文件的提交
          CHANGELOG=$(git-cliff --config .github/cliff.toml $LATEST_TAG..HEAD --strip header | grep -v "bump version" | sed '/^$/d' || echo "- 代码优化和改进")
        else
          CHANGELOG=$(git-cliff --config .github/cliff.toml --strip header || echo "- 初始版本发布")
        fi
        echo "content<<EOF" >> $GITHUB_OUTPUT
        echo "$CHANGELOG" >> $GITHUB_OUTPUT
        echo "EOF" >> $GITHUB_OUTPUT

    - name: Create and push tag
      if: steps.check.outputs.needs_bump == 'true'
      run: |
        NEW_TAG="${{ steps.next_version.outputs.new_tag }}"
        git tag -a "$NEW_TAG" -m "Release $NEW_TAG"
        git push origin HEAD:main "$NEW_TAG"

    - name: Create GitHub Release
      if: steps.check.outputs.needs_bump == 'true'
      uses: softprops/action-gh-release@v1
      with:
        tag_name: ${{ steps.next_version.outputs.new_tag }}
        name: Release ${{ steps.next_version.outputs.new_version }}
        body: |
          ## 🐳 Docker 镜像
          
          ```bash
          docker pull ${{ secrets.DOCKERHUB_USERNAME || 'weishaw' }}/claude-relay-service:${{ steps.next_version.outputs.new_tag }}
          docker pull ${{ secrets.DOCKERHUB_USERNAME || 'weishaw' }}/claude-relay-service:latest
          ```
          
          ## 📦 主要更新
          
          ${{ steps.changelog.outputs.content }}
          
          ## 📋 完整更新日志
          
          查看 [所有版本](https://github.com/${{ github.repository }}/releases)
        draft: false
        prerelease: false
        generate_release_notes: true

    # Docker构建步骤
    - name: Set up QEMU
      if: steps.check.outputs.needs_bump == 'true'
      uses: docker/setup-qemu-action@v3

    - name: Set up Docker Buildx
      if: steps.check.outputs.needs_bump == 'true'
      uses: docker/setup-buildx-action@v3

    - name: Log in to Docker Hub
      if: steps.check.outputs.needs_bump == 'true'
      uses: docker/login-action@v3
      with:
        registry: docker.io
        username: ${{ secrets.DOCKERHUB_USERNAME }}
        password: ${{ secrets.DOCKERHUB_TOKEN }}

    - name: Build and push Docker image
      if: steps.check.outputs.needs_bump == 'true'
      uses: docker/build-push-action@v5
      with:
        context: .
        platforms: linux/amd64,linux/arm64
        push: true
        tags: |
          ${{ secrets.DOCKERHUB_USERNAME }}/claude-relay-service:${{ steps.next_version.outputs.new_tag }}
          ${{ secrets.DOCKERHUB_USERNAME }}/claude-relay-service:latest
          ${{ secrets.DOCKERHUB_USERNAME }}/claude-relay-service:${{ steps.next_version.outputs.new_version }}
        labels: |
          org.opencontainers.image.version=${{ steps.next_version.outputs.new_version }}
          org.opencontainers.image.revision=${{ github.sha }}
        cache-from: type=gha
        cache-to: type=gha,mode=max

    - name: Send Telegram Notification
      if: steps.check.outputs.needs_bump == 'true' && env.TELEGRAM_BOT_TOKEN != '' && env.TELEGRAM_CHAT_ID != ''
      env:
        TELEGRAM_BOT_TOKEN: ${{ secrets.TELEGRAM_BOT_TOKEN }}
        TELEGRAM_CHAT_ID: ${{ secrets.TELEGRAM_CHAT_ID }}
      continue-on-error: true
      run: |
        VERSION="${{ steps.next_version.outputs.new_version }}"
        TAG="${{ steps.next_version.outputs.new_tag }}"
        REPO="${{ github.repository }}"
        
        # 获取更新内容并限制长度
        CHANGELOG="${{ steps.changelog.outputs.content }}"
        CHANGELOG_TRUNCATED=$(echo "$CHANGELOG" | head -c 1000)
        if [ ${#CHANGELOG} -gt 1000 ]; then
          CHANGELOG_TRUNCATED="${CHANGELOG_TRUNCATED}..."
        fi
        
        # 构建消息内容
        MESSAGE="🚀 *Claude Relay Service 新版本发布！*"$'\n'$'\n'
        MESSAGE+="📦 版本号: \`${VERSION}\`"$'\n'$'\n'
        MESSAGE+="📝 *更新内容:*"$'\n'
        MESSAGE+="${CHANGELOG_TRUNCATED}"$'\n'$'\n'
        MESSAGE+="🐳 *Docker 部署:*"$'\n'
        MESSAGE+="\`\`\`bash"$'\n'
        MESSAGE+="docker pull weishaw/claude-relay-service:${TAG}"$'\n'
        MESSAGE+="docker pull weishaw/claude-relay-service:latest"$'\n'
        MESSAGE+="\`\`\`"$'\n'$'\n'
        MESSAGE+="🔗 *相关链接:*"$'\n'
        MESSAGE+="• [GitHub Release](https://github.com/${REPO}/releases/tag/${TAG})"$'\n'
        MESSAGE+="• [完整更新日志](https://github.com/${REPO}/releases)"$'\n'
        MESSAGE+="• [Docker Hub](https://hub.docker.com/r/weishaw/claude-relay-service)"$'\n'$'\n'
        MESSAGE+="#ClaudeRelay #Update #v${VERSION//./_}"
        
        # 使用 jq 构建 JSON 并发送
        jq -n \
          --arg chat_id "${TELEGRAM_CHAT_ID}" \
          --arg text "${MESSAGE}" \
          '{
            chat_id: $chat_id,
            text: $text,
            parse_mode: "Markdown",
            disable_web_page_preview: false
          }' | \
        curl -X POST "https://api.telegram.org/bot${TELEGRAM_BOT_TOKEN}/sendMessage" \
          -H "Content-Type: application/json" \
          -d @-