name: CI

on:
  push:
    branches: [ main, develop, master ]
  pull_request:
    branches: [ main, develop, master ]

jobs:
  build:
    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 Graphviz
        run: |
          sudo apt-get update
          sudo apt-get install -y graphviz

      - name: Install project dependencies
        run: |
          python -m pip install --upgrade pip
          if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
          pip install pytest flake8 yamllint || true

      - name: Lint YAML
        run: |
          if command -v yamllint >/dev/null; then
            yamllint .
          else
            echo "yamllint not installed"
          fi

      - name: Lint Python
        run: |
          if ls **/*.py >/dev/null 2>&1; then
            flake8 .
          else
            echo "No Python files; skipping flake8"
          fi

      - name: Run tests
        run: |
          if [ -d tests ]; then
            pytest -q
          else
            echo "No tests directory; skipping pytest"
          fi