name: Build

on:
  pull_request:
    branches: [ master ]
  push:
    branches: [ master ]
  merge_group:

jobs:
  build:
    name: Build (Java ${{ matrix.java }} - ${{ matrix.os }})
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ ubuntu-22.04 ]
        java: [ 21 ]
        include:
          - os: windows-2022
            java: 21
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
      - name: Validate Gradle wrapper
        uses: gradle/actions/wrapper-validation@v3
      - name: Set up JDK
        uses: actions/setup-java@v4
        with:
          distribution: 'zulu'
          java-version: ${{ matrix.java }}
      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.x'

      - name: Install M3SA Python requirements
        run: pip install -r opendc-experiments/opendc-experiments-m3sa/src/main/python/requirements.txt
      - name: Build with Gradle
        uses: gradle/actions/setup-gradle@v3
        with:
          arguments: build assembleDist codeCoverageReport
          # Only write to the cache for builds on the 'master' branch.
          # Builds on other branches will only read existing entries from the cache.
          cache-read-only: ${{ github.ref != 'refs/heads/master' }}
      - name: Publish report
        if: always()
        uses: mikepenz/action-junit-report@v5
        with:
          check_name: test (Java ${{ matrix.java }})
          report_paths: '**/build/test-results/test/TEST-*.xml'
          github_token: ${{ secrets.GITHUB_TOKEN }}
      - name: Upload reports
        if: always()
        continue-on-error: true # See https://github.com/actions/upload-artifact/issues/270
        uses: actions/upload-artifact@v4
        with:
          name: reports-${{ matrix.os }}-jdk${{ matrix.java }}
          path: |
            ./**/build/reports/**/*
            ./**/build/test-results/**/*
          retention-days: 5
      - name: Upload build
        continue-on-error: true
        uses: actions/upload-artifact@v4
        with:
          name: build-${{ matrix.os }}-jdk${{ matrix.java }}
          path: |
            ./**/build/distributions/**/*.zip
          retention-days: 5
      - name: Upload code coverage
        uses: codecov/codecov-action@v5
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          files: ./build/reports/jacoco/codeCoverageReport/codeCoverageReport.xml
  build-docker:
    name: Build Docker Images
    runs-on: ubuntu-22.04
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
      - name: Build UI
        uses: docker/build-push-action@v6
        with:
          context: opendc-web/opendc-web-ui
          file: opendc-web/opendc-web-ui/Dockerfile
      - name: Build Web Server
        uses: docker/build-push-action@v6
        with:
          file: opendc-web/opendc-web-server/Dockerfile
      - name: Build Runner
        uses: docker/build-push-action@v6
        with:
          file: opendc-web/opendc-web-runner/Dockerfile