name: Crowdin Branch Cleanup

on:
  pull_request:
    types: [closed]

permissions:
  contents: write

jobs:
  delete-service-branch:
    # The controlled export workflow reuses this branch for its translation PR.
    # Removing it after close guarantees that the next export starts from current main.
    if: github.event.pull_request.head.ref == 'l10n_main' && github.event.pull_request.head.repo.full_name == github.repository
    name: Delete l10n_main
    runs-on: ubuntu-latest
    timeout-minutes: 5
    steps:
      - name: Delete the Crowdin service branch
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          REPO: ${{ github.repository }}
          BRANCH: l10n_main
        run: |
          if gh api "repos/$REPO/git/refs/heads/$BRANCH" >/dev/null 2>&1; then
            gh api -X DELETE "repos/$REPO/git/refs/heads/$BRANCH"
            echo "Deleted $BRANCH; the translation workflow will recreate it from main when needed."
          else
            echo "$BRANCH is already absent; nothing to delete."
          fi