name: Code Analysis

on: [push, pull_request]

env:
  SONAR_ORGANIZATION: ${{ vars.SONAR_ORGANIZATION || github.repository_owner }}

jobs:
  build:
    if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name == github.repository
    name: Code analysis
    runs-on: ubuntu-latest
    env:
      HAVE_SONAR_TOKEN: ${{ secrets.SONAR_TOKEN  != '' }}
    steps:
      - name: Stop if no Sonar secret
        if:  ${{ env.HAVE_SONAR_TOKEN == 'false' }}
        run: exit 1

      - uses: actions/checkout@v4
        with:
          fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis

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

      - name: Cache SonarCloud packages
        uses: actions/cache@v4
        with:
          path: ~/.sonar/cache
          key: ${{ runner.os }}-sonar
          restore-keys: ${{ runner.os }}-sonar

      - name: Cache Maven packages
        uses: actions/cache@v4
        with:
          path: ~/.m2
          key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
          restore-keys: ${{ runner.os }}-m2

      # https://docs.sonarcloud.io/advanced-setup/ci-based-analysis/sonarscanner-for-maven/
      - name: Build and analyze with SonarCloud
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  # Needed to get PR information, if any
          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
        run: >
          mvn
          -B verify org.sonarsource.scanner.maven:sonar-maven-plugin:sonar
          -Dsonar.organization=${SONAR_ORGANIZATION}
          -Dsonar.projectKey=${SONAR_ORGANIZATION}_jss
          -pl '!native,!symkey'

  get-pr-ref:
    if: github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository
    name: Sonar cloud PR fork analyses deferring
    runs-on: ubuntu-latest
    steps:
      - name: Save PR information
        run: |
          mkdir -p ./pr
          echo ${{ github.event.number }} > ./pr/NR
          echo ${{ github.event.pull_request.base.ref }} > ./pr/BaseBranch

      - name: Upload pr as artifact
        uses: actions/upload-artifact@v4
        with:
          name: pr
          path: pr/

  shellcheck:
    name: Shellcheck
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Run ShellCheck
        uses: ludeeus/action-shellcheck@master
        with:
          severity: warning
