name: Preview Cleanup

permissions:
  contents: write

on:
  pull_request_target:
    types:
      - closed

jobs:
  cleanup:
    runs-on: ubuntu-latest
    timeout-minutes: 10
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
      - run: mkdir -p empty_dir
      - name: Generate URL_SLUG
        env:
          PR_NUMBER: ${{ github.event.pull_request.number }}
          URL_SLUG: ${{ github.event.pull_request.number }}-${{ github.event.pull_request.head.ref }}
        run: |
          # Sanitize the URL_SLUG to only contain alphanumeric characters and dashes
          URL_SLUG=$(echo $URL_SLUG | tr -cd '[:alnum:]-')
          echo "URL_SLUG=$URL_SLUG" >> $GITHUB_ENV
      - name: Deploy
        uses: JamesIves/github-pages-deploy-action@v4
        with:
          folder: empty_dir
          repository-name: egui-pr-preview/pr
          branch: 'main'
          clean: true
          target-folder: ${{ env.URL_SLUG }}
          ssh-key: ${{ secrets.DEPLOY_KEY }}
          commit-message: "Remove preview for PR ${{ env.URL_SLUG }}"
          single-commit: true