name: SonarCloud Scan (PRs triggered by maven.yml)

on:
  workflow_run:
    workflows:
      - Build
    types:
      - completed



  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

jobs:
  get-info:
    name: "Get information about the source run"
    runs-on: ubuntu-latest
    if: ${{ github.actor != 'dependabot[bot]' && github.event.workflow_run.conclusion == 'success' }}
    outputs:
      sourceHeadRepo: ${{ steps.source-run-info.outputs.sourceHeadRepo }}
      sourceHeadBranch: ${{ steps.source-run-info.outputs.sourceHeadBranch }}
      sourceHeadSha: ${{ steps.source-run-info.outputs.sourceHeadSha }}
      mergeCommitSha: ${{ steps.source-run-info.outputs.mergeCommitSha }}
      targetCommitSha: ${{ steps.source-run-info.outputs.targetCommitSha }}
      pullRequestNumber: ${{ steps.source-run-info.outputs.pullRequestNumber }}
      pullRequestLabels: ${{ steps.source-run-info.outputs.pullRequestLabels }}
      targetBranch: ${{ steps.source-run-info.outputs.targetBranch }}
      sourceEvent: ${{ steps.source-run-info.outputs.sourceEvent }}
    steps:
      - name: "Get information about the origin 'CI' run"
        uses: potiuk/get-workflow-origin@v1_3
        id: source-run-info
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          sourceRunId: ${{ github.event.workflow_run.id }}

  sonar:
    name: SonarCloud Scan
    runs-on: ubuntu-latest
    if: ${{ needs.get-info.outputs.sourceEvent == 'pull_request' && github.actor != 'dependabot[bot]' && github.event.workflow_run.conclusion == 'success' }}
    needs: get-info

    steps:
      - uses: actions/checkout@v3
        with:
          repository: ${{ github.event.workflow_run.head_repository.full_name }}
          ref: ${{ github.event.workflow_run.head_branch }}
          fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
      - name: Set up JDK
        uses: actions/setup-java@v3
        with:
          distribution: 'temurin'
          java-version: 17

      - name: Cache SonarCloud packages
        uses: actions/cache@v3
        with:
          path: ~/.sonar/cache
          key: ${{ runner.os }}-sonar
          restore-keys: ${{ runner.os }}-sonar
      - name: Cache Maven packages
        uses: actions/cache@v3
        with:
          path: ~/.m2
          key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
          restore-keys: ${{ runner.os }}-m2
          
      - name: Build and analyze (PR)
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
        run: >
          mvn 
          -Dsonar.scm.revision=${{ github.event.workflow_run.head_sha }} 
          -Dsonar.pullrequest.key=${{ needs.get-info.outputs.pullRequestNumber }} 
          -Dsonar.pullrequest.branch=${{ needs.get-info.outputs.sourceHeadBranch }} 
          -Dsonar.pullrequest.base=${{ needs.get-info.outputs.pullRequestNumber }} 
          -U -B verify org.sonarsource.scanner.maven:sonar-maven-plugin:sonar