name: Code Quality

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

jobs:
  python-quality:
    name: Python Code Quality
    runs-on: ubuntu-latest

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

    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: 3.10

    - name: Cache pip packages
      uses: actions/cache@v3
      with:
        path: ~/.cache/pip
        key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements*.txt') }}
        restore-keys: |
          ${{ runner.os }}-pip-

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

    - name: Run Black formatting check
      run: |
        black --check --diff backend/

    - name: Run isort import sorting check
      run: |
        isort --check-only --diff backend/

    - name: Run Flake8 linting
      run: |
        flake8 backend/ --format=junit-xml --output-file=flake8-report.xml

    - name: Run Pylint static analysis
      run: |
        pylint backend/ --exit-zero --output-format=pylint_junit.JunitReporter --output-file=pylint-report.xml

    - name: Run MyPy type checking
      run: |
        mypy backend/ --ignore-missing-imports --junit-xml=mypy-report.xml

    - name: Run Bandit security linting
      run: |
        bandit -r backend/ -f json -o bandit-report.json

    - name: Run Radon code complexity analysis
      run: |
        pip install radon
        radon cc backend/ -a -nb -o json > radon-report.json

    - name: Run vulture dead code detection
      run: |
        pip install vulture
        vulture backend/ --min-confidence 70 --format json > vulture-report.json

    - name: Upload quality reports
      uses: actions/upload-artifact@v3
      with:
        name: python-quality-reports
        path: |
          flake8-report.xml
          pylint-report.xml
          mypy-report.xml
          bandit-report.json
          radon-report.json
          vulture-report.json

  javascript-quality:
    name: JavaScript Code Quality
    runs-on: ubuntu-latest

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

    - name: Set up Node.js
      uses: actions/setup-node@v4
      with:
        node-version: '18'
        cache: 'npm'
        cache-dependency-path: frontend/package-lock.json

    - name: Install dependencies
      run: |
        cd frontend
        npm install

    - name: Run ESLint
      run: |
        cd frontend
        npm run lint -- --format junit --output-file ../eslint-report.xml

    - name: Run Prettier formatting check
      run: |
        cd frontend
        npm run format:check

    - name: Run TypeScript type checking
      run: |
        cd frontend
        npm run type-check

    - name: Run SonarQube scan
      uses: sonarqube-quality-gate-action@master
      env:
        SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}

    - name: Upload JavaScript quality reports
      uses: actions/upload-artifact@v3
      with:
        name: javascript-quality-reports
        path: |
          eslint-report.xml

  test-coverage:
    name: Test Coverage Analysis
    runs-on: ubuntu-latest

    services:
      postgres:
        image: postgres:15
        env:
          POSTGRES_PASSWORD: postgres
          POSTGRES_DB: test_db
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          - 5432:5432
      redis:
        image: redis:7-alpine
        options: >-
          --health-cmd "redis-cli ping"
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          - 6379:6379

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

    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: 3.10

    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install -r requirements.txt
        pip install -r requirements-dev.txt
        pip install coverage[toml] coveralls

    - name: Run tests with coverage
      run: |
        cd backend
        coverage run --source=. manage.py test --verbosity=2
        coverage xml
        coverage report --show-missing
        coverage html
      env:
        DATABASE_URL: postgres://postgres:postgres@localhost:5432/test_db
        REDIS_URL: redis://localhost:6379/0
        SECRET_KEY: test-secret-key-for-ci

    - name: Upload coverage to Codecov
      uses: codecov/codecov-action@v3
      with:
        file: ./coverage.xml
        flags: unittests
        name: codecov-umbrella

    - name: Upload coverage reports
      uses: actions/upload-artifact@v3
      with:
        name: coverage-reports
        path: |
          coverage.xml
          htmlcov/

  performance-analysis:
    name: Performance Analysis
    runs-on: ubuntu-latest

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

    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: 3.10

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

    - name: Run Python performance analysis
      run: |
        cd backend
        python -m cProfile -o profile_output.prof manage.py test --verbosity=0
        python -m memory_profiler scripts/memory-profile.py > memory-profile.txt

    - name: Analyze performance results
      run: |
        pip install snakeviz
        snakeviz profile_output.prof --server

    - name: Upload performance reports
      uses: actions/upload-artifact@v3
      with:
        name: performance-reports
        path: |
          profile_output.prof
          memory-profile.txt

  documentation-quality:
    name: Documentation Quality
    runs-on: ubuntu-latest

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

    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: 3.10

    - name: Install documentation tools
      run: |
        python -m pip install --upgrade pip
        pip install sphinx sphinx-rtd-theme pydoc-markdown
        pip install -r requirements.txt

    - name: Check docstring coverage
      run: |
        pip install interrogate
        interrogate backend/ --verbose --ignore-init-method --ignore-module --ignore-private --fail-under=80

    - name: Generate documentation
      run: |
        cd docs
        make html

    - name: Check for broken links
      run: |
        pip install linkchecker
        linkchecker docs/_build/html/index.html

    - name: Upload documentation
      uses: actions/upload-artifact@v3
      with:
        name: documentation-build
        path: docs/_build/html/

  code-metrics:
    name: Code Metrics
    runs-on: ubuntu-latest

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

    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: 3.10

    - name: Install analysis tools
      run: |
        python -m pip install --upgrade pip
        pip install lizard radon xenon

    - name: Calculate code metrics
      run: |
        lizard backend/ --csv > lizard-metrics.csv
        radon raw backend/ --json > radon-metrics.json
        xenon --max-absolute A --max-modules A --max-average A backend/ > xenon-report.txt

    - name: Generate quality dashboard
      run: |
        python scripts/generate-quality-dashboard.py

    - name: Upload metrics reports
      uses: actions/upload-artifact@v3
      with:
        name: code-metrics
        path: |
          lizard-metrics.csv
          radon-metrics.json
          xenon-report.txt
          quality-dashboard.html

  quality-gate:
    name: Quality Gate
    runs-on: ubuntu-latest
    needs: [python-quality, javascript-quality, test-coverage, documentation-quality, code-metrics]
    if: always()

    steps:
    - name: Download all reports
      uses: actions/download-artifact@v3

    - name: Evaluate quality gate
      run: |
        python scripts/evaluate-quality-gate.py

    - name: Create quality issue if gate fails
      if: failure()
      uses: actions/github-script@v6
      with:
        script: |
          github.rest.issues.create({
            owner: context.repo.owner,
            repo: context.repo.repo,
            title: `🔍 Quality Gate Failed - ${{ github.sha }}`,
            body: `Code quality checks failed for commit ${{ github.sha }}.

          **Branch:** ${{ github.ref }}
          **Commit:** ${{ github.sha }}
          **Author:** ${{ github.actor }}

          Please review the quality reports and address the issues.

          📋 **Quality Reports:**
          - [Python Quality](https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }})
          - [JavaScript Quality](https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }})
          - [Test Coverage](https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }})
          - [Documentation Quality](https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }})
          - [Code Metrics](https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }})

          🎯 **Action Items:**
          1. Review and fix code style issues
          2. Address security vulnerabilities
          3. Improve test coverage where needed
          4. Update documentation
          5. Refactor complex code

          This issue was automatically created by the CI/CD pipeline.`,
            labels: ['quality', 'bug', 'needs-attention']
          });