name: build-binaries
on:
  push:
    tags:
      - "v*.*.*"

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        goos: [linux, darwin, windows]
        goarch: [amd64, arm64]
        include:
          - goos: linux
            goarch: arm
            goarm: "7"
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version: "1.22.x"
          cache: true

      - name: Build
        run: |
          APP_NAME=myapp
          EXT=""
          if [ "${{ matrix.goos }}" = "windows" ]; then EXT=".exe"; fi
          OUT="dist/${APP_NAME}_${{ matrix.goos }}_${{ matrix.goarch }}${EXT}"
          mkdir -p dist
          export CGO_ENABLED=0
          if [ "${{ matrix.goarm }}" != "" ]; then export GOARM=${{ matrix.goarm }}; fi
          GOOS=${{ matrix.goos }} GOARCH=${{ matrix.goarch }} go build -trimpath -ldflags="-s -w" -o "$OUT" ./cmd/myapp
          # tar/zip per OS
          if [ "${{ matrix.goos }}" = "windows" ]; then
            zip -j "${OUT%.exe}.zip" "$OUT"
            rm -f "$OUT"
          else
            tar -C dist -czf "${OUT##dist/}.tar.gz" "$(basename "$OUT")"
            rm -f "$OUT"
          fi

      - name: Upload artifacts
        uses: actions/upload-artifact@v4
        with:
          name: binaries
          path: |
            dist/*.tar.gz
            dist/*.zip

  release:
    needs: build
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Download artifacts
        uses: actions/download-artifact@v4
        with:
          name: binaries
          path: dist
      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          files: dist/*