name: Duplicate PR Detection

on:
  schedule:
    # Run weekly on Monday at 9 AM UTC
    - cron: '0 9 * * 1'
  workflow_dispatch: # Allow manual trigger
  pull_request:
    types: [opened, reopened]

jobs:
  check-duplicates:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y jq curl

      - name: Check for duplicate PRs
        env:
          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
          GITEA_URL: ${{ secrets.GITEA_URL || 'https://forge.alexanderwhitestone.com' }}
          REPO: ${{ github.repository }}
        run: |
          chmod +x ./scripts/cleanup-duplicate-prs.sh
          ./scripts/cleanup-duplicate-prs.sh --dry-run

      - name: Create issue if duplicates found
        if: failure()
        uses: actions/github-script@v7
        with:
          script: |
            const title = 'Duplicate PRs Detected';
            const body = `## Duplicate PRs Found
            
            The duplicate PR detection workflow found potential duplicate PRs.
            
            **Action Required:**
            1. Review the duplicate PRs
            2. Close older duplicates
            3. Keep the newest PR for each issue
            
            **Workflow Run:** ${context.runId}
            **Repository:** ${context.repo.owner}/${context.repo.repo}
            
            This issue was automatically created by the duplicate PR detection workflow.`;
            
            await github.rest.issues.create({
              owner: context.repo.owner,
              repo: context.repo.repo,
              title,
              body,
              labels: ['maintenance', 'automated']
            });

  # Notify on manual trigger
  notify:
    needs: check-duplicates
    if: github.event_name == 'workflow_dispatch'
    runs-on: ubuntu-latest
    steps:
      - name: Send notification
        run: |
          echo "Duplicate PR check completed"
          echo "Check the workflow run for details"