name: Kotlin

on:
  pull_request:
    paths:
      - "**/*.kt"
      - ".github/workflows/kotlin-style.yaml"
      - "kotlin-detect-config.yaml"

concurrency:
    group: ${{ github.ref }}-${{ github.workflow }}-${{ (github.event_name == 'pull_request' && github.event.number) || (github.event_name == 'workflow_dispatch' && github.run_number) || github.sha }}
    cancel-in-progress: true


jobs:
  detekt:
    name: Static code analysis
    runs-on: ubuntu-latest

    steps:
      - name: "checkout"
        uses: actions/checkout@v4

      - name: "detekt"
        uses: natiginfo/action-detekt-all@1.23.6
        # Detekt seems not to like circular symlinks, so we set up
        # explicit paths below
        #
        # In particular, if symlinks exist and recurse, detekt tries to
        # follow, so for example `examples/android/CHIPTest` as a path
        # will never end (and eventually run out of HEAP) because
        # `examples/android/CHIPTest/third_party/connectedhomeip` is
        # circular
        with:
          args: --parallel --build-upon-default-config --config kotlin-detect-config.yaml --input examples/android/CHIPTest/app,examples/android/CHIPTool,examples/java-matter-controller/java,src/controller/java

  ktlint:
    name: "Format check"
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-java@v4
        with:
          distribution: 'adopt'
          java-version: '17'

      - name: Download ktfmt
        run: |
          cd /tmp
          wget "https://repo1.maven.org/maven2/com/facebook/ktfmt/0.44/ktfmt-0.44-jar-with-dependencies.jar" 

      - name: Format kotlin files
        run: |
          find src examples -name '*.kt' \
            | xargs java -jar /tmp/ktfmt-0.44-jar-with-dependencies.jar --google-style

      - name: Ensure git works in current working directory
        run: git config --global --add safe.directory `pwd`

      - name: Check for uncommited changes
        run: |
            git add .
            # Show the full diff
            git diff-index -p HEAD --
            # Also show just the files that are different, to make it easy
            # to tell at a glance what might be going on.  And throw in
            # --exit-code to make this job fail if there is a difference.
            git diff-index --exit-code HEAD --