name: Spotless Style Check

on:
  push: 
  pull_request:
    types: [opened, synchronize, reopened]
  
  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

jobs:
  pre_job:
    runs-on: ubuntu-latest
    outputs:
      should_skip: ${{ steps.skip_check.outputs.should_skip }}
    steps:
      - id: skip_check
        uses: fkirc/skip-duplicate-actions@master
        with:
          concurrent_skipping: 'same_content_newer'
          skip_after_successful_duplicate: 'true'

  build:
    needs: pre_job
    if: ${{ needs.pre_job.outputs.should_skip != 'true' && github.actor != 'dependabot[bot]' }}
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v3

    - name: Set up JDK
      uses: actions/setup-java@v3
      with:
        java-version: 17
        distribution: 'temurin'
      
    - name: Check with Spotless
      run: mvn clean spotless:check