name: Check PR description

on:
  merge_group:
    types:
      - checks_requested
  pull_request:
    types: [opened, edited, reopened, synchronize, ready_for_review]
    branches: [develop]

jobs:
  check_description:
    if: ${{ github.event.pull_request.draft != true }}
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

      - name: Write PR body to file
        env:
          PR_BODY: ${{ github.event.pull_request.body }}
        if: ${{ github.event_name == 'pull_request' }}
        run: printenv PR_BODY > pr_body.md

      - name: Check PR description differs from template
        if: ${{ github.event_name == 'pull_request' }}
        run: >
          python .github/scripts/check-pr-description.py
          --template-file .github/pull_request_template.md
          --pr-body-file pr_body.md