name: release

on:
  release: # Docs: <https://help.github.com/en/articles/events-that-trigger-workflows#release-event-release>
    types: [published]

jobs:
  build:
    name: Build for ${{ matrix.os }} (${{ matrix.arch }}, ${{ matrix.compiler }})
    runs-on: ubuntu-20.04
    strategy:
      fail-fast: false
      matrix:
        os: [windows, freebsd, darwin] # linux, freebsd, darwin, windows
        compiler: [gcc] # gcc, musl-gcc
        archiver: [zip] # tar, zip
        arch: [amd64]   # amd64, 386
        include:
          - os: linux
            compiler: gcc
            archiver: tar
            arch: amd64
          - os: ''
            compiler: musl-gcc # more info: <https://musl.libc.org/>
            archiver: zip
            arch: amd64
    steps:
      - name: Set up Go
        uses: actions/setup-go@v2
        with:
          go-version: 1.15.5

      - name: Check out code
        uses: actions/checkout@v2

      - name: Install musl
        if: matrix.compiler == 'musl-gcc'
        run: sudo apt-get install -y musl-tools

      - name: Download dependencies
        run: go mod download # `-x` means "verbose" mode

      - name: Generate builder values
        id: values
        run: |
          echo "::set-output name=version::`echo ${GITHUB_REF##*/} | sed -e 's/^[vV ]*//'`"
          echo "::set-output name=timestamp::`date +%FT%T%z`"
          echo "::set-output name=binary-name::rr`[ ${{ matrix.os }} = 'windows' ] && echo '.exe'`"

      - name: Compile binary file
        env:
          GOOS: ${{ matrix.os }}
          GOARCH: ${{ matrix.arch }}
          CC: ${{ matrix.compiler }}
          CGO_ENABLED: 0
          LDFLAGS: >-
            -s
            -X github.com/spiral/roadrunner/cmd/main.Version=${{ steps.values.outputs.version }}
            -X github.com/spiral/roadrunner/cmd/main.BuildTime=${{ steps.values.outputs.timestamp }}
        run: |
          go build -trimpath -ldflags "$LDFLAGS" -o "./${{ steps.values.outputs.binary-name }}" ./cmd/main.go
          stat "./${{ steps.values.outputs.binary-name }}"

      - name: Generate distributive directory name
        id: dist-dir
        run: >
          echo "::set-output name=name::roadrunner-${{ steps.values.outputs.version }}-$(
            [ ${{ matrix.os }} != '' ] && echo '${{ matrix.os }}' || echo 'unknown'
          )$(
            [ ${{ matrix.compiler }} = 'musl-gcc' ] && echo '-musl'
          )-${{ matrix.arch }}"

      - name: Generate distributive archive name
        id: dist-arch
        run: >
          echo "::set-output name=name::${{ steps.dist-dir.outputs.name }}.$(
            case ${{ matrix.archiver }} in
              zip) echo 'zip';;
              tar) echo 'tar.gz';;
              *)   exit 10;
            esac
          )"

      - name: Create distributive
        run: |
          mkdir ${{ steps.dist-dir.outputs.name }}
          mv "./${{ steps.values.outputs.binary-name }}" ./${{ steps.dist-dir.outputs.name }}/
          cp ./README.md ./CHANGELOG.md ./LICENSE ./${{ steps.dist-dir.outputs.name }}/

      - name: Pack distributive using tar
        if: matrix.archiver == 'tar'
        run: tar -zcf "${{ steps.dist-arch.outputs.name }}" "${{ steps.dist-dir.outputs.name }}"

      - name: Pack distributive using zip
        if: matrix.archiver == 'zip'
        run: zip -r -q "${{ steps.dist-arch.outputs.name }}" "${{ steps.dist-dir.outputs.name }}"

      - name: Upload artifact
        uses: actions/upload-artifact@v2
        with:
          name: ${{ steps.dist-dir.outputs.name }}
          path: ${{ steps.dist-arch.outputs.name }}
          if-no-files-found: error
          retention-days: 30

      - name: Upload binaries to release
        uses: svenstaro/upload-release-action@v2
        with:
          repo_token: ${{ secrets.GITHUB_TOKEN }}
          file: ${{ steps.dist-arch.outputs.name }}
          asset_name: ${{ steps.dist-arch.outputs.name }}
          tag: ${{ github.ref }}

  docker:
    name: Build docker image
    runs-on: ubuntu-20.04
    steps:
      - name: Check out code
        uses: actions/checkout@v2

      - name: Make docker login
        run: echo "${{ secrets.DOCKER_PASSWORD }}" | docker login -u "${{ secrets.DOCKER_LOGIN }}" --password-stdin

      - name: Generate builder values
        id: values
        run: |
          echo "::set-output name=version::`echo ${GITHUB_REF##*/} | sed -e 's/^[vV ]*//'`"
          echo "::set-output name=timestamp::`date +%FT%T%z`"

      - name: Build image
        run: |
          docker build \
            --tag "spiralscout/roadrunner:${{ steps.values.outputs.version }}" \
            --build-arg "APP_VERSION=${{ steps.values.outputs.version }}" \
            --build-arg "BUILD_TIME=${{ steps.values.outputs.timestamp }}" \
            .

      - name: Push image into registry
        run: docker push "spiralscout/roadrunner:${{ steps.values.outputs.version }}"