fxa/.github/workflows/cleanup-storybooks.yml

name: Cleanup Storybooks

on:
  pull_request:
    types: [closed]

permissions:
  contents: write

concurrency:
  group: gh-pages-deploy
  cancel-in-progress: false

jobs:
  cleanup:
    name: Remove closed PR storybooks
    runs-on: ubuntu-latest

    steps:
      - name: Checkout gh-pages branch
        uses: actions/checkout@v6
        with:
          ref: gh-pages
          path: gh-pages
          fetch-depth: 1

      - name: Remove PR directory
        run: |
          PR_DIR="storybooks/pr-${{ github.event.pull_request.number }}"
          if [ -d "gh-pages/$PR_DIR" ]; then
            rm -rf "gh-pages/$PR_DIR"
            echo "Removed $PR_DIR"
          else
            echo "Directory $PR_DIR not found, nothing to clean up"
          fi          

      - name: Checkout main branch for scripts
        uses: actions/checkout@v6
        with:
          path: main-repo

      - name: Regenerate root index.html
        run: node main-repo/_scripts/generate-storybook-index.js
        env:
          GH_PAGES_DIR: gh-pages
          REPO_NAME: ${{ github.event.repository.name }}
          REPO_OWNER: ${{ github.repository_owner }}

      - name: Commit and push to gh-pages
        run: |
          cd gh-pages
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

          # Create orphan branch (no history) with current content
          git checkout --orphan gh-pages-new
          git add -A
          git commit -m "Remove storybooks for closed PR ${{ github.event.pull_request.number }}"

          # Replace gh-pages with the new orphan branch
          git push --force origin gh-pages-new:gh-pages