name: Code Check - Quality and Syntax

on:
  push:
    branches: ["**"]
    paths:
      - '**/*.py'
  pull_request:
    branches: ["**"]
    paths:
      - '**/*.py'

jobs:
  syntax-lint:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        python-version: ["3.11", "3.12", "3.13", "3.14"]
      fail-fast: false

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

      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}

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

      - name: Run Python syntax check
        run: |
          set -e
          files=$(git ls-files '*.py')
          if [ -z "$files" ]; then echo "No Python files to check"; exit 0; fi
          python -m py_compile $files

      - name: Run flake8 lint
        run: |
          files=$(git ls-files '*.py')
          if [ -z "$files" ]; then echo "No Python files to lint"; exit 0; fi
          flake8 $files

      - name: Check execution (Smoke Test)
        run: |
          files=$(git ls-files '*.py')
          for file in $files; do
            echo "Testing execution of $file..."
            python "$file" --version || python -m py_compile "$file"
          done