ci.yml

name: CI – Test, Lint & Security

on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

jobs:
  # ── Unit Tests (Matrix Python Versions) ──────────────────────────────
  test:
    name: Python ${{ matrix.python-version }}
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        python-version: ["3.10", "3.11", "3.12"]

    steps:
      - name: Checkout code
        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
          pip install -r requirements.txt
          pip install pytest

      - name: Run unit tests
        run: pytest tests/ -v

  # ── Linting (PEP8 & Code Quality) ────────────────────────────────────
  lint:
    name: Lint with flake8
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install flake8
        run: pip install flake8

      - name: Run flake8 on source files
        run: |
          # Find all Python files excluding tests/ and helloworld.py
          find . -type f -name '*.py' \
            ! -path './tests/*' \
            ! -name 'helloworld.py' \
            -exec flake8 --count --select=E9,F63,F7,F82 --show-source --statistics {} +

  # ── Security Scan (Bandit) ───────────────────────────────────────────
  security:
    name: Security scan with Bandit
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install Bandit
        run: pip install bandit

      - name: Run Bandit
        run: bandit -r core/ lib/ main.py -f custom -ll

  # ── Dependency Vulnerability Check (Safety) ──────────────────────────
  dependency-check:
    name: Dependency vulnerability check
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install safety
        run: pip install safety

      - name: Check dependencies
        run: safety check -r requirements.txt