name: PR Close Issue (Template)

on:
  workflow_call:
    secrets:
      GITHUB_TOKEN:
        required: true

jobs:
  close-issue:
    runs-on: ubuntu-latest
    if: github.event.pull_request.merged == true

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Extract issue number and close issue
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          BRANCH_NAME="${{ 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"

            # Close the issue
            gh issue close "$ISSUE_NUMBER" --comment "Automatically closed by PR #${{ github.event.pull_request.number }}"
            echo "Issue #$ISSUE_NUMBER has been closed"
          else
            echo "Branch name does not match expected format (issue-NUMBER-title)"
          fi