name: CI/CD

on:
  push:
    branches: [main, develop]
    tags: ["v*"]
  pull_request:
    branches: [main, develop]

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

env:
  PYTHON_LATEST: "3.12"
  PYTHON_MINIMUM: "3.11"

jobs:
  # ===========================================================================
  # Code Quality Checks
  # ===========================================================================
  lint:
    name: Lint and Format Check
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

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

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install black flake8 isort mypy

      - name: Check code formatting with black
        run: black --check --diff .

      - name: Check import sorting with isort
        run: isort --check-only --diff .

      - name: Lint with flake8
        run: |
          # Stop on syntax errors or undefined names
          flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
          # Treat warnings as errors for CI
          flake8 . --count --max-complexity=10 --max-line-length=100 --statistics

      - name: Type check with mypy
        run: mypy core plugins --ignore-missing-imports

  # ===========================================================================
  # Security Analysis
  # ===========================================================================
  security:
    name: Security Analysis
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

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

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install bandit[toml] safety

      - name: Run Bandit security linter
        run: bandit -r core plugins -f json -o bandit-report.json || true

      - name: Upload Bandit report
        uses: actions/upload-artifact@v4
        if: always()
        with:
          name: bandit-report
          path: bandit-report.json

      - name: Run Safety check
        run: safety check || true

  # ===========================================================================
  # Tests
  # ===========================================================================
  test:
    name: Test (Python ${{ matrix.python-version }}, ${{ matrix.os }})
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, windows-latest]
        python-version: ["3.11", "3.12"]
        include:
          - os: ubuntu-latest
            python-version: "3.11"
            coverage: true

    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 system dependencies (Ubuntu)
        if: runner.os == 'Linux'
        run: |
          sudo apt-get update
          sudo apt-get install -y libegl1 libxkbcommon-x11-0 libxcb-icccm4 libxcb-image0 libxcb-keysyms1 libxcb-randr0 libxcb-render-util0 libxcb-xinerama0 libxcb-xfixes0 x11-utils

      - name: Install Python dependencies
        run: |
          python -m pip install --upgrade pip
          pip install -e ".[dev]"

      - name: Run tests with coverage
        if: matrix.coverage
        run: |
          pytest tests/ -v --cov=core --cov=plugins --cov-report=xml --cov-report=html --cov-fail-under=80
        env:
          QT_QPA_PLATFORM: offscreen

      - name: Run tests without coverage
        if: '!matrix.coverage'
        run: |
          pytest tests/ -v -m "not slow and not ui"
        env:
          QT_QPA_PLATFORM: offscreen

      - name: Upload coverage to Codecov
        if: matrix.coverage
        uses: codecov/codecov-action@v3
        with:
          files: ./coverage.xml
          fail_ci_if_error: true
          verbose: true

      - name: Upload coverage report
        if: matrix.coverage
        uses: actions/upload-artifact@v4
        with:
          name: coverage-report
          path: htmlcov/

  # ===========================================================================
  # Build and Package
  # ===========================================================================
  build:
    name: Build Package
    runs-on: ubuntu-latest
    needs: [lint, test]
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

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

      - name: Install build dependencies
        run: |
          python -m pip install --upgrade pip
          pip install build twine

      - name: Build package
        run: python -m build

      - name: Check package
        run: twine check dist/*

      - name: Upload build artifacts
        uses: actions/upload-artifact@v4
        with:
          name: dist
          path: dist/

  # ===========================================================================
  # Test Installation
  # ===========================================================================
  test-install:
    name: Test Installation
    runs-on: ${{ matrix.os }}
    needs: build
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest]
    steps:
      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: ${{ env.PYTHON_LATEST }}

      - name: Download build artifacts
        uses: actions/download-artifact@v4
        with:
          name: dist
          path: dist/

      - name: Install from wheel
        run: pip install dist/*.whl

      - name: Test CLI entry point
        run: |
          eu-utility --help || true
          python -c "from core import __version__; print(f'Version: {__version__}')"

  # ===========================================================================
  # Release
  # ===========================================================================
  release:
    name: Create Release
    runs-on: ubuntu-latest
    needs: [build, test-install]
    if: startsWith(github.ref, 'refs/tags/v')
    permissions:
      contents: write
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Download build artifacts
        uses: actions/download-artifact@v4
        with:
          name: dist
          path: dist/

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v1
        with:
          files: dist/*
          generate_release_notes: true
          draft: false
          prerelease: ${{ contains(github.ref, 'alpha') || contains(github.ref, 'beta') || contains(github.ref, 'rc') }}

  # ===========================================================================
  # Publish to PyPI (on tagged releases)
  # ===========================================================================
  publish:
    name: Publish to PyPI
    runs-on: ubuntu-latest
    needs: release
    if: startsWith(github.ref, 'refs/tags/v') && !contains(github.ref, 'dev')
    environment:
      name: pypi
      url: https://pypi.org/p/eu-utility
    permissions:
      id-token: write
    steps:
      - name: Download build artifacts
        uses: actions/download-artifact@v4
        with:
          name: dist
          path: dist/

      - name: Publish to PyPI
        uses: pypa/gh-action-pypi-publish@release/v1