name: Welcome New Contributors

on:
  pull_request:
    types: [opened]

permissions:
  pull-requests: write
  models: read

jobs:
  welcome:
    runs-on: ubuntu-latest
    if: github.event.pull_request.author_association == 'FIRST_TIME_CONTRIBUTOR'
    steps:
      - name: Generate welcome message
        uses: actions/ai-inference@v2
        id: ai
        with:
          prompt: |
            Write a friendly welcome message for a first-time contributor. Include:
            1. Thank them for their first PR
            2. Mention checking CONTRIBUTING.md
            3. Offer to help if they have questions
            
            Keep it brief and encouraging.
          model: openai/gpt-4o-mini
          temperature: 0.7

      - name: Post welcome comment
        uses: actions/github-script@v8
        with:
          script: |
            const message = `${{ steps.ai.outputs.response }}`;
            await github.rest.issues.createComment({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: ${{ github.event.pull_request.number }},
              body: message
            });