name: PR Delete Branch (Template)

on:
  workflow_call:
    secrets:
      GITHUB_TOKEN:
        required: true

jobs:
  delete-branch:
    runs-on: ubuntu-latest
    if: github.event.pull_request.merged == true

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Delete merged branch
        run: |
          BRANCH_NAME="${{ github.event.pull_request.head.ref }}"
          echo "Branch name: $BRANCH_NAME"

          # Extract issue number from branch name (format: issue-122-issue-title)
          if [[ $BRANCH_NAME =~ ^issue-([0-9]+)- ]]; then
            ISSUE_NUMBER="${BASH_REMATCH[1]}"
            echo "Found issue number: $ISSUE_NUMBER"

            if [ -n "$ISSUE_NUMBER" ]; then
              git config user.name "gitea-actions[bot]"
              git config user.email "gitea-actions[bot]@gitea"

              git push origin --delete "$BRANCH_NAME" || echo "Failed to delete branch $BRANCH_NAME"
              echo "Branch $BRANCH_NAME has been deleted"
              
            fi

          else
            echo "Branch name does not match expected format (issue-NUMBER-title)"
          fi