name: Java CI

on: [ push ]

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        java: [ "8", "11", "17" ]

    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      # Setup
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Set up Java
        uses: actions/setup-java@v3
        with:
          java-version: ${{ matrix.java }}
          distribution: "temurin"
          cache: "maven"

      # Build
      - name: Build with Maven
        run: mvn --batch-mode --update-snapshots verify

      - name: Upload JAR
        uses: actions/upload-artifact@v3
        if: ${{ matrix.java == '8' }}
        with:
          name: commafeed.jar
          path: commafeed-server/target/commafeed.jar

      # Docker
      - name: Login to Container Registry
        uses: docker/login-action@v2
        if: ${{ matrix.java == '8' }}
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Docker build and push tag
        uses: docker/build-push-action@v4
        if: ${{ matrix.java == '8' && github.ref_type == 'tag' }}
        with:
          context: .
          push: true
          platforms: linux/amd64,linux/arm/v7,linux/arm64/v8
          tags: |
            athou/commafeed:latest
            athou/commafeed:${{ github.ref_name }}

      - name: Docker build and push master
        uses: docker/build-push-action@v4
        if: ${{ matrix.java == '8' && github.ref_name == 'master' }}
        with:
          context: .
          push: true
          platforms: linux/amd64,linux/arm/v7,linux/arm64/v8
          tags: athou/commafeed:master

      # Create GitHub release after Docker image has been published
      - name: Extract Changelog Entry
        uses: mindsers/changelog-reader-action@v2
        if: ${{ matrix.java == '8' && github.ref_type == 'tag' }}
        id: changelog_reader
        with:
          version: ${{ github.ref_name }}

      - name: Create GitHub release
        uses: softprops/action-gh-release@v1
        if: ${{ matrix.java == '8' && github.ref_type == 'tag' }}
        with:
          name: CommaFeed ${{ github.ref_name }}
          body: ${{ steps.changelog_reader.outputs.changes }}
          draft: false
          prerelease: false
          files: |
            commafeed-server/target/commafeed.jar
            commafeed-server/config.yml.example