name: Auto Release on Push to Main

on:
  push:
    branches:
      - main
    paths-ignore:
      - '**.md'
      - 'docs/**'
  workflow_dispatch:

permissions:
  contents: write
  pull-requests: write

jobs:
  auto-release:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout code
      uses: actions/checkout@v4
      with:
        fetch-depth: 0
        token: ${{ secrets.GITHUB_TOKEN }}


    - name: Get latest tag
      id: get_latest_tag
      run: |
        # 获取最新的版本标签
        LATEST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "v0.0.0")
        echo "Latest tag: $LATEST_TAG"
        echo "latest_tag=$LATEST_TAG" >> $GITHUB_OUTPUT
        
        # 提取版本号部分（去掉 v 前缀）
        VERSION=${LATEST_TAG#v}
        echo "version=$VERSION" >> $GITHUB_OUTPUT

    - name: Calculate next version
      id: next_version
      run: |
        VERSION="${{ steps.get_latest_tag.outputs.version }}"
        
        # 分割版本号为 major.minor.patch
        IFS='.' read -r -a version_parts <<< "$VERSION"
        MAJOR="${version_parts[0]:-0}"
        MINOR="${version_parts[1]:-0}"
        PATCH="${version_parts[2]:-0}"
        
        # 递增 patch 版本号
        NEW_PATCH=$((PATCH + 1))
        NEW_VERSION="${MAJOR}.${MINOR}.${NEW_PATCH}"
        NEW_TAG="v${NEW_VERSION}"
        
        echo "New version: $NEW_VERSION"
        echo "New tag: $NEW_TAG"
        echo "new_version=$NEW_VERSION" >> $GITHUB_OUTPUT
        echo "new_tag=$NEW_TAG" >> $GITHUB_OUTPUT

    - name: Install git-cliff
      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
      id: changelog
      run: |
        # 获取自上次标签以来的提交，如果 git-cliff 输出包含 [unreleased]，则移除它
        CHANGELOG=$(git-cliff --config .github/cliff.toml --unreleased --strip header || echo "- 代码优化和改进")
        # 移除 [unreleased] 标记
        CHANGELOG=$(echo "$CHANGELOG" | sed 's/\[unreleased\]//g' | sed '/^$/d')
        echo "content<<EOF" >> $GITHUB_OUTPUT
        echo "$CHANGELOG" >> $GITHUB_OUTPUT
        echo "EOF" >> $GITHUB_OUTPUT

    - name: Check if there are changes to release
      id: check_changes
      run: |
        # 检查自上次标签以来是否有新的提交（排除只修改VERSION文件的提交）
        LATEST_TAG="${{ steps.get_latest_tag.outputs.latest_tag }}"
        if [ "$LATEST_TAG" = "v0.0.0" ]; then
          echo "has_changes=true" >> $GITHUB_OUTPUT
        else
          # 获取除了VERSION文件外的其他文件变更
          CHANGED_FILES=$(git diff --name-only $LATEST_TAG..HEAD | grep -v "^VERSION$" || true)
          
          if [ -n "$CHANGED_FILES" ]; then
            echo "Found changes in files other than VERSION:"
            echo "$CHANGED_FILES"
            echo "has_changes=true" >> $GITHUB_OUTPUT
          else
            echo "No significant changes found (only VERSION file changed)"
            echo "has_changes=false" >> $GITHUB_OUTPUT
          fi
        fi

    - name: Create and push tag
      if: steps.check_changes.outputs.has_changes == 'true'
      run: |
        NEW_TAG="${{ steps.next_version.outputs.new_tag }}"
        git config user.name "github-actions[bot]"
        git config user.email "github-actions[bot]@users.noreply.github.com"
        git tag -a "$NEW_TAG" -m "Release $NEW_TAG"
        git push origin "$NEW_TAG"

    - name: Create Release
      if: steps.check_changes.outputs.has_changes == '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)
          
          ---
          *此版本由 GitHub Actions 自动发布*
        draft: false
        prerelease: false
        generate_release_notes: true

    - name: Update VERSION file
      if: steps.check_changes.outputs.has_changes == 'true'
      run: |
        # 强制更新 VERSION 文件为最新版本
        echo "${{ steps.next_version.outputs.new_version }}" > VERSION
        
        # 检查是否有更改
        if git diff --quiet VERSION; then
          echo "VERSION file already up to date"
        else
          git add VERSION
          echo "Updated VERSION file to ${{ steps.next_version.outputs.new_version }}"
        fi

    - name: Commit VERSION update
      if: steps.check_changes.outputs.has_changes == 'true'
      run: |
        # 提交 VERSION 更新
        if git diff --quiet VERSION; then
          echo "No changes to VERSION"
        else
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add VERSION
          git commit -m "chore: update VERSION to ${{ steps.next_version.outputs.new_version }} for ${{ steps.next_version.outputs.new_tag }} [skip ci]"
          git push origin main
        fi

    # Docker 构建和推送步骤
    - name: Set up QEMU
      if: steps.check_changes.outputs.has_changes == 'true'
      uses: docker/setup-qemu-action@v3

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

    - name: Log in to Docker Hub
      if: steps.check_changes.outputs.has_changes == '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_changes.outputs.has_changes == '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=${{ steps.next_version.outputs.new_version }}
          org.opencontainers.image.created=${{ steps.next_version.outputs.created }}
          org.opencontainers.image.revision=${{ github.sha }}
        cache-from: type=gha
        cache-to: type=gha,mode=max

    - name: Send Telegram Notification
      if: steps.check_changes.outputs.has_changes == '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 @-

    - name: Ensure VERSION file is in sync
      if: always()
      run: |
        # 在工作流结束时确保VERSION文件与最新tag同步
        LATEST_TAG=$(git tag --sort=-version:refname | head -1 || echo "v0.0.0")
        if [ "$LATEST_TAG" != "v0.0.0" ]; then
          LATEST_VERSION=${LATEST_TAG#v}
          CURRENT_VERSION=$(cat VERSION 2>/dev/null || echo "0.0.0")
          
          if [ "$CURRENT_VERSION" != "$LATEST_VERSION" ]; then
            echo "Updating VERSION file to match latest release: $CURRENT_VERSION -> $LATEST_VERSION"
            echo "$LATEST_VERSION" > VERSION
            git config user.name "github-actions[bot]"
            git config user.email "github-actions[bot]@users.noreply.github.com"
            git add VERSION
            git commit -m "chore: sync VERSION file with release $LATEST_TAG [skip ci]" || echo "No changes to commit"
            git push origin main || echo "Nothing to push"
          else
            echo "VERSION file is already in sync: $CURRENT_VERSION"
          fi
        fi