name: Go Build & Release

on:
  workflow_dispatch:  # 仅支持手动触发
    inputs:
      servicePort:  # 手动设置服务启动端口（必填）
        description: '服务启动序号'
        required: true
        type: number

jobs:
  # 生成随机版本号（8位字母数字，作为screen会话名核心标识）
  prepare-version:
    runs-on: ubuntu-latest
    outputs:
      build_version: ${{ steps.set-random-version.outputs.version }}
    
    steps:
      - name: Set random build version
        id: set-random-version
        run: |
          # 生成8位随机字母数字（大小写混合），确保版本与会话名唯一性
          RANDOM_SUFFIX=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 8 | head -n 1)
          echo "version=v$RANDOM_SUFFIX" >> $GITHUB_OUTPUT

  build:
    needs: prepare-version
    runs-on: ubuntu-latest
    
    steps:
    - uses: actions/checkout@v4

    - name: 缓存Go依赖
      id: go-cache
      uses: actions/cache@v3
      with:
          path: ~/go/pkg/mod
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.mod') }}
          restore-keys: |
            ${{ runner.os }}-go-

    - name: Set up Go
      uses: actions/setup-go@v4
      with:
        go-version: '1.20'

    - name: 编译logic服务
      run: go build -o ./public/logic_${{ needs.prepare-version.outputs.build_version }} -v ./logic

    - name: Upload Build Artifact
      uses: actions/upload-artifact@v4
      with:
          name: logic_${{ needs.prepare-version.outputs.build_version }}
          path: ./public/logic_${{ needs.prepare-version.outputs.build_version }}

    - name: 推送到服务器并通过screen启动服务（会话名无端口）
      uses: easingthemes/ssh-deploy@main
      env:
          SSH_PRIVATE_KEY: ${{ secrets.BLAZING }}
          REMOTE_HOST: "122.10.117.123"
          REMOTE_USER: "root"
          SOURCE: "public/"
          TARGET: "/home/"
          ARGS: "-avz --chown=git:git"
          # 核心调整：会话名仅用随机版本号（格式：logic-{版本号}，如 logic-v7aB9x2zF）
          SCRIPT_AFTER: |
            # 定义screen会话名（仅含服务标识+随机版本号，无端口）
            SCREEN_NAME="logic-${{ needs.prepare-version.outputs.build_version }}"
            # 停止同名旧会话（仅清理当前版本，不影响其他版本）
            screen -S $SCREEN_NAME -X quit 2>/dev/null || true
            # 启动服务并传入-port参数
            screen -dmS $SCREEN_NAME /home/logic_${{ needs.prepare-version.outputs.build_version }} -port=${{ github.event.inputs.servicePort }}
            # 输出完整关联信息，方便管理（会话名、端口、版本一一对应）
            echo "======================================"
            echo "服务启动成功！"
            echo "Screen会话名：$SCREEN_NAME"
            echo "服务端口：${{ github.event.inputs.servicePort }}"
            echo "对应版本：${{ needs.prepare-version.outputs.build_version }}"
            echo "管理命令："
            echo "  - 进入会话：screen -r $SCREEN_NAME"
            echo "  - 查看所有会话：screen -ls"
            echo "  - 停止服务：screen -S $SCREEN_NAME -X quit"
            echo "======================================"

  # 自动创建GitHub Release（同步会话名与端口关联关系）
  create-release:
    needs: [prepare-version, build]
    permissions:
      contents: write
    runs-on: ubuntu-latest
    
    steps:
      - name: Download build artifact
        uses: actions/download-artifact@v4
        with:
          name: logic_${{ needs.prepare-version.outputs.build_version }}
          path: ./public

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v1
        with:
          tag_name: ${{ needs.prepare-version.outputs.build_version }}
          name: Release ${{ needs.prepare-version.outputs.build_version }}
          body: |
            ## 自动构建发布
            - 版本号: ${{ needs.prepare-version.outputs.build_version }}
            - 触发方式: 手动触发
            - 服务端口: ${{ github.event.inputs.servicePort }}
            - Screen会话名: logic-${{ needs.prepare-version.outputs.build_version }}
            - 可执行文件: logic_${{ needs.prepare-version.outputs.build_version }}
            - 启动命令: ./logic_${{ needs.prepare-version.outputs.build_version }} -port=${{ github.event.inputs.servicePort }}
          files: ./public/logic_${{ needs.prepare-version.outputs.build_version }}
          draft: false
          prerelease: false