name: Build and Deploy Chat Demo

on:
  push:
    branches: [ main ]
  pull_request:

permissions:
  contents: read

jobs:
  build:
    name: Lint, Test, and Validate
    runs-on: ubuntu-latest

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

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.11'

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install -r requirements.txt

      - name: Lint and Style Check
        run: |
          pip install flake8 pylint
          flake8 . --max-line-length=100 --statistics
          pylint $(git ls-files '*.py') --score=n || true

      - name: Smoke Test
        run: |
          python - <<'PYCODE'
          import importlib.util
          spec = importlib.util.spec_from_file_location("app", "app.py")
          if spec is None:
              raise SystemExit("app.py not found")
          print("✅ Import test OK")
          PYCODE

  deploy:
    if: github.ref == 'refs/heads/main'
    needs: build
    runs-on: ubuntu-latest
    steps:
      - name: Trigger Hugging Face Space rebuild
        env:
          HF_TOKEN: ${{ secrets.HF_TOKEN }}
        run: |
          curl -X POST \
            -H "Authorization: Bearer $HF_TOKEN" \
            https://huggingface.co/api/spaces/YOUR_USERNAME/YOUR_SPACE_ID/restart