name: Build Multi-Platform Binaries
on:
  push:
    paths:
      - '**.go'
      - 'go.mod'
      - 'go.sum'
      - 'web/**'
      - '.gitea/workflows/**'

jobs:
  build-frontend:
    runs-on: node
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
      
      # 直接挂载宿主机的缓存目录
      - name: Build Frontend
        run: |
          cd web
          # 使用共享的 node_modules 缓存
          if [ -d /data/cache/node_modules_cache ]; then
            echo "Restoring node_modules from cache..."
            cp -r /data/cache/node_modules_cache/node_modules . 2>/dev/null || true
          fi
          
          npm ci --prefer-offline --no-audit
          
          # 保存缓存
          mkdir -p /data/cache/node_modules_cache
          cp -r node_modules /data/cache/node_modules_cache/ 2>/dev/null || true
          
          npm run build
      
      - name: Upload Frontend Artifact
        uses: actions/upload-artifact@v3
        with:
          name: frontend-dist
          path: web/dist
          retention-days: 1

  build-binaries:
    needs: build-frontend
    runs-on: golang
    strategy:
      fail-fast: false
      matrix:
        include:
          - { goos: linux, goarch: amd64, target: server, upx: true }
          - { goos: linux, goarch: amd64, target: client, upx: true }
          - { goos: linux, goarch: arm64, target: server, upx: true }
          - { goos: linux, goarch: arm64, target: client, upx: true }
          - { goos: linux, goarch: arm, goarm: 7, target: server, upx: true }
          - { goos: linux, goarch: arm, goarm: 7, target: client, upx: true }
          - { goos: windows, goarch: amd64, target: server, upx: true }
          - { goos: windows, goarch: amd64, target: client, upx: true }
          - { goos: windows, goarch: arm64, target: server, upx: false }
          - { goos: darwin, goarch: amd64, target: server, upx: false }
          - { goos: darwin, goarch: arm64, target: server, upx: false }
    
    steps:
      - name: Install Dependencies
        run: |
          if command -v apk > /dev/null; then
            apk add --no-cache nodejs upx
          elif command -v apt-get > /dev/null; then
            apt-get update && apt-get install -y nodejs upx-ucl
          else
            echo "Unsupported package manager" && exit 1
          fi
      
      - name: Checkout code
        uses: actions/checkout@v4
      
      # 使用挂载卷缓存 Go 模块
      - name: Setup Go Cache
        run: |
          # 创建缓存目录
          mkdir -p /data/cache/go-pkg-mod
          mkdir -p /data/cache/go-build-cache
          mkdir -p ~/go/pkg/mod
          mkdir -p ~/.cache/go-build
          
          # 恢复缓存（使用硬链接以节省空间和时间）
          if [ -d /data/cache/go-pkg-mod ] && [ "$(ls -A /data/cache/go-pkg-mod)" ]; then
            echo "Restoring Go pkg cache..."
            cp -al /data/cache/go-pkg-mod/* ~/go/pkg/mod/ 2>/dev/null || true
          fi
          
          if [ -d /data/cache/go-build-cache ] && [ "$(ls -A /data/cache/go-build-cache)" ]; then
            echo "Restoring Go build cache..."
            cp -al /data/cache/go-build-cache/* ~/.cache/go-build/ 2>/dev/null || true
          fi
      
      - name: Download Go dependencies
        run: go mod download
      
      - name: Download Frontend Artifact
        uses: actions/download-artifact@v3
        with:
          name: frontend-dist
          path: internal/server/app/dist
      
      - name: Build Binary
        env:
          GOOS: ${{ matrix.goos }}
          GOARCH: ${{ matrix.goarch }}
          GOARM: ${{ matrix.goarm }}
          CGO_ENABLED: 0
        run: |
          ARM_VAL=""
          [ "${{ matrix.goarch }}" = "arm" ] && ARM_VAL="v${{ matrix.goarm }}"
          
          EXT=""
          [ "${{ matrix.goos }}" = "windows" ] && EXT=".exe"
          
          FILENAME="gotunnel-${{ matrix.target }}-${{ matrix.goos }}-${{ matrix.goarch }}${ARM_VAL}${EXT}"
          
          go build -trimpath -ldflags="-s -w" -o "${FILENAME}" ./cmd/${{ matrix.target }}
          
          echo "CURRENT_FILENAME=${FILENAME}" >> $GITHUB_ENV
      
      # 保存 Go 缓存（异步，不阻塞主流程）
      - name: Save Go Cache
        if: always()
        run: |
          # 只在缓存有更新时保存（使用 rsync 可以更高效）
          rsync -a --delete ~/go/pkg/mod/ /data/cache/go-pkg-mod/ 2>/dev/null || \
            cp -r ~/go/pkg/mod/* /data/cache/go-pkg-mod/ 2>/dev/null || true
          
          rsync -a --delete ~/.cache/go-build/ /data/cache/go-build-cache/ 2>/dev/null || \
            cp -r ~/.cache/go-build/* /data/cache/go-build-cache/ 2>/dev/null || true
      
      - name: Run UPX Compression
        if: matrix.upx == true
        run: |
          upx --best --lzma "${{ env.CURRENT_FILENAME }}" || echo "UPX skipped for this platform"
      
      - name: Upload Binary
        uses: actions/upload-artifact@v3
        with:
          name: ${{ env.CURRENT_FILENAME }}
          path: ${{ env.CURRENT_FILENAME }}
          retention-days: 7