name: Check Code Style

on:
  push:
    branches: [ master, 'robolectric-*.x' ]
    paths-ignore:
      - '**.md'

  pull_request:
    branches: [ master, google ]
    paths-ignore:
      - '**.md'

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

permissions:
  contents: read

jobs:
  check_code_style:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up JDK 17
        uses: actions/setup-java@v4
        with:
          distribution: 'adopt'
          java-version: 17

      - name: Download google-java-format
        run: |
          googleJavaFormatVersion="1.25.0"
          curl -L -o $HOME/google-java-format.jar https://github.com/google/google-java-format/releases/download/v${googleJavaFormatVersion}/google-java-format-${googleJavaFormatVersion}-all-deps.jar
          curl -L -o $HOME/google-java-format-diff.py https://raw.githubusercontent.com/google/google-java-format/v${googleJavaFormatVersion}/scripts/google-java-format-diff.py
          chmod +x $HOME/google-java-format-diff.py

      - name: Check Java formatting
        run: |
          base_branch="${{ github.event.pull_request.base.ref }}"
          echo "Running google-java-format-diff against 'origin/$base_branch'"
          git fetch origin "$base_branch" --depth 1
          diff=$(git diff -U0 $(git merge-base HEAD origin/$base_branch) -- . \
            ':(exclude)robolectric/src/test/java/org/robolectric/R.java' \
            ':(exclude)robolectric/src/test/java/org/robolectric/Manifest.java' \
            | $HOME/google-java-format-diff.py --google-java-format-jar=$HOME/google-java-format.jar -p1)
          if [[ $diff ]]; then
            echo "Please run google-java-format on the changes in this pull request"
            git diff -U0 $(git merge-base HEAD origin/$base_branch) | $HOME/google-java-format-diff.py --google-java-format-jar=$HOME/google-java-format.jar -p1
            exit 1
          fi

      - name: Check Kotlin formatting
        run: ./gradlew spotlessCheck

      - name: Check Kotlin Quality
        run: ./gradlew detekt