name: Issue Branch Management (Template)

on:
  workflow_call:
    secrets:
      GITHUB_TOKEN:
        required: true

jobs:
  manage-branch:
    runs-on: ubuntu-latest

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

      - name: Create branch on issue open or reopen
        if: github.event.action == 'opened' || github.event.action == 'reopened'
        run: |
          ISSUE_NUMBER=${{ github.event.issue.number }}
          ISSUE_TITLE="${{ github.event.issue.title }}"

          BRANCH_NAME="issue-${ISSUE_NUMBER}-$(echo "$ISSUE_TITLE" | tr '[:upper:]' '[:lower:]' | tr ' ' '-' | tr -cd '[:alnum:]-' | head -c 50)"

          echo "Creating branch: $BRANCH_NAME"

          git config user.name "gitea-actions[bot]"
          git config user.email "gitea-actions[bot]@gitea"

          if git ls-remote --exit-code --heads origin "$BRANCH_NAME" > /dev/null 2>&1; then
            echo "Branch already exists: $BRANCH_NAME"
          else
            git checkout -b "$BRANCH_NAME"
            git push origin "$BRANCH_NAME"
            echo "Branch created: $BRANCH_NAME"
          fi