name: Build and Release

on:
  pull_request:
    types: [closed]
    branches: [ main ]
  workflow_dispatch:

permissions:
  contents: write

jobs:
  build:
    runs-on: ubuntu-latest
    # 只在 PR 被合并时运行，或手动触发
    if: (github.event.pull_request.merged == true) || (github.event_name == 'workflow_dispatch')

    steps:
    - uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Set up Go
      uses: actions/setup-go@v4
      with:
        go-version: '1.24'

    - name: Generate release name
      id: version
      run: |
        TIMESTAMP=$(date +%Y.%m.%d.%H%M)
        COMMIT_SHA=$(git rev-parse --short HEAD)
        VERSION="v${TIMESTAMP}-${COMMIT_SHA}"
        echo "version=${VERSION}" >> $GITHUB_OUTPUT
        echo "Generated version: ${VERSION}"

    - name: Build for multiple platforms
      run: |
        # 主程序构建
        # macOS ARM64 (Apple Silicon)
        GOOS=darwin GOARCH=arm64 go build -o xiaohongshu-mcp-darwin-arm64 .
        GOOS=darwin GOARCH=arm64 go build -o xiaohongshu-login-darwin-arm64 ./cmd/login

        # macOS Intel
        GOOS=darwin GOARCH=amd64 go build -o xiaohongshu-mcp-darwin-amd64 .
        GOOS=darwin GOARCH=amd64 go build -o xiaohongshu-login-darwin-amd64 ./cmd/login

        # Windows x64
        GOOS=windows GOARCH=amd64 go build -o xiaohongshu-mcp-windows-amd64.exe .
        GOOS=windows GOARCH=amd64 go build -o xiaohongshu-login-windows-amd64.exe ./cmd/login

        # Linux x64
        GOOS=linux GOARCH=amd64 go build -o xiaohongshu-mcp-linux-amd64 .
        GOOS=linux GOARCH=amd64 go build -o xiaohongshu-login-linux-amd64 ./cmd/login

    - name: Clean up old releases
      run: |
        # 获取所有自动构建的 releases (v开头的时间戳格式)
        RELEASES=$(gh release list --limit 100 | grep -E '^v[0-9]{4}\.[0-9]{2}\.[0-9]{2}\.[0-9]{4}-' | awk '{print $3}' | tail -n +11)

        # 删除超过 10 个的旧 releases 和对应的 tags
        for release in $RELEASES; do
          echo "Deleting old release: $release"
          gh release delete "$release" --yes --cleanup-tag
        done
      env:
        GH_TOKEN: ${{ github.token }}
      continue-on-error: true

    - name: Create Release
      uses: softprops/action-gh-release@v1
      with:
        tag_name: ${{ steps.version.outputs.version }}
        name: Release ${{ steps.version.outputs.version }}
        draft: false
        prerelease: false
        body: |
          ## 🔧 自动构建版本

          **注意：这是自动构建的预发布版本，用于测试。正式版本请等待手动发布。**

          ### 📦 下载说明

          **主程序（MCP 服务）：**
          - **macOS Apple Silicon**: `xiaohongshu-mcp-darwin-arm64`
          - **macOS Intel**: `xiaohongshu-mcp-darwin-amd64`
          - **Windows x64**: `xiaohongshu-mcp-windows-amd64.exe`
          - **Linux x64**: `xiaohongshu-mcp-linux-amd64`

          **登录工具：**
          - **macOS Apple Silicon**: `xiaohongshu-login-darwin-arm64`
          - **macOS Intel**: `xiaohongshu-login-darwin-amd64`
          - **Windows x64**: `xiaohongshu-login-windows-amd64.exe`
          - **Linux x64**: `xiaohongshu-login-linux-amd64`

          ### 🔧 使用方法

          ```bash
          # 1. 首先运行登录工具
          ./xiaohongshu-login-darwin-arm64

          # 2. 然后启动 MCP 服务
          ./xiaohongshu-mcp-darwin-arm64
          ```

          ### 📊 构建信息

          - **Commit**: ${{ github.sha }}
          - **Branch**: main
          - **Build Time**: ${{ steps.version.outputs.version }}
        files: |
          xiaohongshu-mcp-darwin-arm64
          xiaohongshu-mcp-darwin-amd64
          xiaohongshu-mcp-windows-amd64.exe
          xiaohongshu-mcp-linux-amd64
          xiaohongshu-login-darwin-arm64
          xiaohongshu-login-darwin-amd64
          xiaohongshu-login-windows-amd64.exe
          xiaohongshu-login-linux-amd64