name: Release

on:
  push:
    branches: [main]
    tags: ["v*"]

permissions:
  contents: write
  packages: write

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-go@v5
        with:
          go-version: "1.25"
      - run: go test ./...

  binaries:
    needs: test
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          - goos: linux
            goarch: amd64
          - goos: linux
            goarch: arm64
          - goos: darwin
            goarch: amd64
          - goos: darwin
            goarch: arm64
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-go@v5
        with:
          go-version: "1.25"

      - name: Determine version
        id: version
        run: |
          if [[ "$GITHUB_REF" == refs/tags/v* ]]; then
            echo "version=${GITHUB_REF#refs/tags/}" >> "$GITHUB_OUTPUT"
          else
            echo "version=0.1.0-${GITHUB_SHA::7}" >> "$GITHUB_OUTPUT"
          fi

      - name: Build
        env:
          CGO_ENABLED: "0"
          GOOS: ${{ matrix.goos }}
          GOARCH: ${{ matrix.goarch }}
        run: |
          go build -ldflags "-X main.version=${{ steps.version.outputs.version }}" -o ublproxy .

      - name: Archive
        run: tar czf "ublproxy-${{ matrix.goos }}-${{ matrix.goarch }}.tar.gz" ublproxy

      - uses: actions/upload-artifact@v4
        with:
          name: ublproxy-${{ matrix.goos }}-${{ matrix.goarch }}
          path: "ublproxy-${{ matrix.goos }}-${{ matrix.goarch }}.tar.gz"

  release:
    needs: binaries
    runs-on: ubuntu-latest
    steps:
      - uses: actions/download-artifact@v4
        with:
          merge-multiple: true

      - name: Determine version
        id: version
        run: |
          if [[ "$GITHUB_REF" == refs/tags/v* ]]; then
            echo "version=${GITHUB_REF#refs/tags/}" >> "$GITHUB_OUTPUT"
            echo "prerelease=false" >> "$GITHUB_OUTPUT"
          else
            echo "version=0.1.0-${GITHUB_SHA::7}" >> "$GITHUB_OUTPUT"
            echo "prerelease=true" >> "$GITHUB_OUTPUT"
          fi

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ steps.version.outputs.version }}
          name: ${{ steps.version.outputs.version }}
          prerelease: ${{ steps.version.outputs.prerelease == 'true' }}
          generate_release_notes: true
          files: "*.tar.gz"

  docker:
    needs: test
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Determine version and tags
        id: meta
        run: |
          REPO="ghcr.io/${{ github.repository }}"
          if [[ "$GITHUB_REF" == refs/tags/v* ]]; then
            VERSION="${GITHUB_REF#refs/tags/}"
            MAJOR="${VERSION%%.*}"
            MINOR="${VERSION%.*}"
            TAGS="${REPO}:${VERSION},${REPO}:${MINOR},${REPO}:${MAJOR},${REPO}:latest"
            echo "version=${VERSION}" >> "$GITHUB_OUTPUT"
          else
            VERSION="0.1.0-${GITHUB_SHA::7}"
            TAGS="${REPO}:${VERSION},${REPO}:edge"
            echo "version=${VERSION}" >> "$GITHUB_OUTPUT"
          fi
          echo "tags=${TAGS}" >> "$GITHUB_OUTPUT"

      - uses: docker/setup-qemu-action@v3
      - uses: docker/setup-buildx-action@v3

      - uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          platforms: linux/amd64,linux/arm64
          build-args: VERSION=${{ steps.meta.outputs.version }}
          tags: ${{ steps.meta.outputs.tags }}
          cache-from: type=gha
          cache-to: type=gha,mode=max