name: Auto Update Clash Rules
on:
  workflow_dispatch:  # 手动触发
  schedule:
    - cron: "0 2 * * *"  # 每天凌晨2点执行
  push:
    branches:
      - main
    paths:
      - '.gitea/workflows/**'

jobs:
  update-rules:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
        with:
          token: ${{ secrets.WORKFLOW_TOKEN }}

      - name: Set environment variables
        run: |
          echo "RELEASE_NAME=Clash Rules $(date +%Y%m%d-%H%M)" >> $GITHUB_ENV
          echo "TAG_NAME=$(date +%Y%m%d%H%M)" >> $GITHUB_ENV
          echo "UPDATE_TIME=$(date '+%Y-%m-%d %H:%M:%S UTC')" >> $GITHUB_ENV

      - name: Create rules directory
        run: |
          mkdir -p rules
          cd rules

      - name: Download reject rules
        run: |
          echo "正在下载广告拦截规则..."
          curl -fsSL "https://cdn.jsdelivr.net/gh/Loyalsoldier/clash-rules@release/reject.txt" -o rules/reject.txt
          echo "✅ reject.txt 下载完成"

      - name: Download iCloud rules
        run: |
          echo "正在下载 iCloud 规则..."
          curl -fsSL "https://cdn.jsdelivr.net/gh/Loyalsoldier/clash-rules@release/icloud.txt" -o rules/icloud.txt
          echo "✅ icloud.txt 下载完成"

      - name: Download Apple rules
        run: |
          echo "正在下载 Apple 规则..."
          curl -fsSL "https://cdn.jsdelivr.net/gh/Loyalsoldier/clash-rules@release/apple.txt" -o rules/apple.txt
          echo "✅ apple.txt 下载完成"

      - name: Download Google rules
        run: |
          echo "正在下载 Google 规则..."
          curl -fsSL "https://cdn.jsdelivr.net/gh/Loyalsoldier/clash-rules@release/google.txt" -o rules/google.txt
          echo "✅ google.txt 下载完成"

      - name: Download proxy rules
        run: |
          echo "正在下载代理规则..."
          curl -fsSL "https://cdn.jsdelivr.net/gh/Loyalsoldier/clash-rules@release/proxy.txt" -o rules/proxy.txt
          echo "✅ proxy.txt 下载完成"

      - name: Download direct rules
        run: |
          echo "正在下载直连规则..."
          curl -fsSL "https://cdn.jsdelivr.net/gh/Loyalsoldier/clash-rules@release/direct.txt" -o rules/direct.txt
          echo "✅ direct.txt 下载完成"

      - name: Download private rules
        run: |
          echo "正在下载私有地址规则..."
          curl -fsSL "https://cdn.jsdelivr.net/gh/Loyalsoldier/clash-rules@release/private.txt" -o rules/private.txt
          echo "✅ private.txt 下载完成"

      - name: Download GFW rules
        run: |
          echo "正在下载 GFW 规则..."
          curl -fsSL "https://cdn.jsdelivr.net/gh/Loyalsoldier/clash-rules@release/gfw.txt" -o rules/gfw.txt
          echo "✅ gfw.txt 下载完成"

      - name: Download TLD-not-CN rules
        run: |
          echo "正在下载非中国顶级域名规则..."
          curl -fsSL "https://cdn.jsdelivr.net/gh/Loyalsoldier/clash-rules@release/tld-not-cn.txt" -o rules/tld-not-cn.txt
          echo "✅ tld-not-cn.txt 下载完成"

      - name: Download Telegram CIDR
        run: |
          echo "正在下载 Telegram IP 段..."
          curl -fsSL "https://cdn.jsdelivr.net/gh/Loyalsoldier/clash-rules@release/telegramcidr.txt" -o rules/telegramcidr.txt
          echo "✅ telegramcidr.txt 下载完成"

      - name: Download CN CIDR
        run: |
          echo "正在下载中国 IP 段..."
          curl -fsSL "https://cdn.jsdelivr.net/gh/Loyalsoldier/clash-rules@release/cncidr.txt" -o rules/cncidr.txt
          echo "✅ cncidr.txt 下载完成"

      - name: Download LAN CIDR
        run: |
          echo "正在下载局域网 IP 段..."
          curl -fsSL "https://cdn.jsdelivr.net/gh/Loyalsoldier/clash-rules@release/lancidr.txt" -o rules/lancidr.txt
          echo "✅ lancidr.txt 下载完成"

      - name: Download applications rules
        run: |
          echo "正在下载应用程序规则..."
          curl -fsSL "https://cdn.jsdelivr.net/gh/Loyalsoldier/clash-rules@release/applications.txt" -o rules/applications.txt
          echo "✅ applications.txt 下载完成"

      - name: Generate README
        run: |
          cat > rules/README.md << 'EOF'
          # Clash Rules Mirror

          本仓库镜像了 [Loyalsoldier/clash-rules](https://github.com/Loyalsoldier/clash-rules) 的规则文件。

          ## 📋 规则列表

          | 文件名 | 描述 | 类型 |
          |--------|------|------|
          | reject.txt | 广告拦截规则 | domain |
          | icloud.txt | iCloud 服务规则 | domain |
          | apple.txt | Apple 服务规则 | domain |
          | google.txt | Google 服务规则 | domain |
          | proxy.txt | 代理规则 | domain |
          | direct.txt | 直连规则 | domain |
          | private.txt | 私有地址规则 | domain |
          | gfw.txt | GFW 规则 | domain |
          | tld-not-cn.txt | 非中国顶级域名 | domain |
          | telegramcidr.txt | Telegram IP段 | ipcidr |
          | cncidr.txt | 中国大陆 IP段 | ipcidr |
          | lancidr.txt | 局域网 IP段 | ipcidr |
          | applications.txt | 应用程序规则 | classical |

          ## 🔗 使用方法

          将以下配置添加到你的 Clash 配置文件中：

          ```yaml
          rule-providers:
            reject:
              type: http
              behavior: domain
              url: "https://your-gitea-domain/username/clash-rules/raw/branch/release/reject.txt"
              path: ./ruleset/reject.yaml
              interval: 86400
              
            # 其他规则类似配置...
          ```

          ## ⏰ 更新时间

          最后更新时间: ${{ env.UPDATE_TIME }}

          ## 📊 统计信息

          EOF

          # 添加文件统计
          echo "| 文件 | 大小 | 行数 |" >> rules/README.md
          echo "|------|------|------|" >> rules/README.md
          
          for file in rules/*.txt; do
            filename=$(basename "$file")
            filesize=$(du -h "$file" | cut -f1)
            linecount=$(wc -l < "$file")
            echo "| $filename | $filesize | $linecount |" >> rules/README.md
          done

      - name: Generate usage example
        run: |
          cat > rules/clash-config-example.yaml << 'EOF'
          # Clash 配置示例
          # 使用本仓库的规则文件
          
          rule-providers:
            reject:
              type: http
              behavior: domain
              url: "https://your-gitea-domain/username/clash-rules/raw/branch/release/reject.txt"
              path: ./ruleset/reject.yaml
              interval: 86400

            icloud:
              type: http
              behavior: domain
              url: "https://your-gitea-domain/username/clash-rules/raw/branch/release/icloud.txt"
              path: ./ruleset/icloud.yaml
              interval: 86400

            apple:
              type: http
              behavior: domain
              url: "https://your-gitea-domain/username/clash-rules/raw/branch/release/apple.txt"
              path: ./ruleset/apple.yaml
              interval: 86400

            google:
              type: http
              behavior: domain
              url: "https://your-gitea-domain/username/clash-rules/raw/branch/release/google.txt"
              path: ./ruleset/google.yaml
              interval: 86400

            proxy:
              type: http
              behavior: domain
              url: "https://your-gitea-domain/username/clash-rules/raw/branch/release/proxy.txt"
              path: ./ruleset/proxy.yaml
              interval: 86400

            direct:
              type: http
              behavior: domain
              url: "https://your-gitea-domain/username/clash-rules/raw/branch/release/direct.txt"
              path: ./ruleset/direct.yaml
              interval: 86400

            private:
              type: http
              behavior: domain
              url: "https://your-gitea-domain/username/clash-rules/raw/branch/release/private.txt"
              path: ./ruleset/private.yaml
              interval: 86400

            gfw:
              type: http
              behavior: domain
              url: "https://your-gitea-domain/username/clash-rules/raw/branch/release/gfw.txt"
              path: ./ruleset/gfw.yaml
              interval: 86400

            tld-not-cn:
              type: http
              behavior: domain
              url: "https://your-gitea-domain/username/clash-rules/raw/branch/release/tld-not-cn.txt"
              path: ./ruleset/tld-not-cn.yaml
              interval: 86400

            telegramcidr:
              type: http
              behavior: ipcidr
              url: "https://your-gitea-domain/username/clash-rules/raw/branch/release/telegramcidr.txt"
              path: ./ruleset/telegramcidr.yaml
              interval: 86400

            cncidr:
              type: http
              behavior: ipcidr
              url: "https://your-gitea-domain/username/clash-rules/raw/branch/release/cncidr.txt"
              path: ./ruleset/cncidr.yaml
              interval: 86400

            lancidr:
              type: http
              behavior: ipcidr
              url: "https://your-gitea-domain/username/clash-rules/raw/branch/release/lancidr.txt"
              path: ./ruleset/lancidr.yaml
              interval: 86400

            applications:
              type: http
              behavior: classical
              url: "https://your-gitea-domain/username/clash-rules/raw/branch/release/applications.txt"
              path: ./ruleset/applications.yaml
              interval: 86400

          rules:
            - RULE-SET,applications,DIRECT
            - RULE-SET,private,DIRECT
            - RULE-SET,reject,REJECT
            - RULE-SET,icloud,DIRECT
            - RULE-SET,apple,DIRECT
            - RULE-SET,google,🚀 代理
            - RULE-SET,proxy,🚀 代理
            - RULE-SET,gfw,🚀 代理
            - RULE-SET,tld-not-cn,🚀 代理
            - RULE-SET,telegramcidr,📲 Telegram
            - RULE-SET,direct,DIRECT
            - RULE-SET,lancidr,DIRECT
            - RULE-SET,cncidr,DIRECT
            - GEOIP,LAN,DIRECT
            - GEOIP,CN,DIRECT
            - MATCH,🚀 代理
          EOF

      - name: Check for changes
        id: check_changes
        run: |
          git add rules/
          if git diff --staged --quiet; then
            echo "changes=false" >> $GITHUB_OUTPUT
            echo "📄 没有检测到规则文件变化"
          else
            echo "changes=true" >> $GITHUB_OUTPUT
            echo "🔄 检测到规则文件有更新"
          fi

      - name: Commit and push changes
        if: steps.check_changes.outputs.changes == 'true'
        run: |
          git config --local user.email "action@gitea.local"
          git config --local user.name "Gitea Actions Bot"
          git commit -m "🤖 自动更新 Clash 规则文件 - ${{ env.UPDATE_TIME }}"
          git push origin main

      - name: Create release branch
        if: steps.check_changes.outputs.changes == 'true'
        run: |
          # 创建或更新 release 分支
          git checkout -B release
          git push -f origin release

      - name: Create release
        if: steps.check_changes.outputs.changes == 'true'
        run: |
          # 生成更新日志
          cat > release_notes.md << 'EOF'
          ## 📋 本次更新内容

          🤖 自动同步最新的 Clash 规则文件

          ### 📊 文件统计
          EOF
          
          echo "| 文件名 | 大小 | 行数 |" >> release_notes.md
          echo "|--------|------|------|" >> release_notes.md
          
          for file in rules/*.txt; do
            filename=$(basename "$file")
            filesize=$(du -h "$file" | cut -f1)
            linecount=$(wc -l < "$file")
            echo "| $filename | $filesize | $linecount |" >> release_notes.md
          done
          
          echo "" >> release_notes.md
          echo "### 🔗 使用方法" >> release_notes.md
          echo "参考仓库中的 \`clash-config-example.yaml\` 文件配置你的 Clash 客户端。" >> release_notes.md
          echo "" >> release_notes.md
          echo "### ⏰ 更新时间" >> release_notes.md
          echo "${{ env.UPDATE_TIME }}" >> release_notes.md

          # 使用 Gitea API 创建 Release
          curl -X POST \
            -H "Authorization: token ${{ secrets.WORKFLOW_TOKEN }}" \
            -H "Content-Type: application/json" \
            -d '{
              "tag_name": "${{ env.TAG_NAME }}",
              "target_commitish": "release",
              "name": "${{ env.RELEASE_NAME }}",
              "body": "'"$(cat release_notes.md | sed 's/"/\\"/g' | tr '\n' ' ')"'",
              "draft": false,
              "prerelease": false
            }' \
            "${{ env.GITEA_SERVER_URL }}/api/v1/repos/${{ env.GITEA_REPOSITORY }}/releases" || echo "⚠️  Release 创建可能失败，但文件已成功更新"

      - name: Summary
        if: steps.check_changes.outputs.changes == 'true'
        run: |
          echo "✅ Clash 规则文件更新完成！"
          echo "🔗 访问地址: ${{ env.GITEA_SERVER_URL }}/${{ env.GITEA_REPOSITORY }}"
          echo "📁 文件位置: rules/ 目录"
          echo "🏷️  发布标签: ${{ env.TAG_NAME }}"

      - name: No changes
        if: steps.check_changes.outputs.changes == 'false'
        run: |
          echo "📄 规则文件没有变化，跳过发布步骤"