name: 🚀 Nova AI CI/CD Pipeline

on:
  push:
    branches: [ main, develop ]
  pull_request:
    branches: [ main ]
  release:
    types: [ published ]

env:
  PYTHON_VERSION: "3.9"

jobs:
  # 🧪 Code Quality & Testing
  test:
    name: 🧪 Tests & Code Quality
    runs-on: ubuntu-latest
    strategy:
      matrix:
        python-version: ["3.8", "3.9", "3.10", "3.11"]
    
    steps:
    - name: 📥 Checkout Code
      uses: actions/checkout@v4
      
    - name: 🐍 Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v4
      with:
        python-version: ${{ matrix.python-version }}
        
    - name: 📦 Cache Dependencies
      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 pytest pytest-cov flake8 black mypy bandit safety
        
    - name: 🎨 Code Formatting Check (Black)
      run: |
        black --check --diff .
        
    - name: 🔍 Linting (Flake8)
      run: |
        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
        
    - name: 🔒 Security Check (Bandit)
      run: |
        bandit -r . -x tests/ -f json -o bandit-report.json || true
        
    - name: 🛡️ Dependency Security Check
      run: |
        safety check --json || true
        
    - name: 📊 Type Checking (MyPy)
      run: |
        mypy --install-types --non-interactive . || true
        
    - name: 🧪 Run Tests
      run: |
        pytest tests/ -v --cov=. --cov-report=xml --cov-report=term-missing
        
    - name: 📈 Upload Coverage to Codecov
      uses: codecov/codecov-action@v3
      with:
        file: ./coverage.xml
        flags: unittests
        name: codecov-umbrella

  # 🔨 Build Check
  build:
    name: 🔨 Build Check
    runs-on: ubuntu-latest
    needs: test
    
    steps:
    - name: 📥 Checkout Code
      uses: actions/checkout@v4
      
    - name: 🐍 Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: ${{ env.PYTHON_VERSION }}
        
    - name: 🔧 Install Build Dependencies
      run: |
        python -m pip install --upgrade pip
        pip install build wheel
        pip install -r requirements.txt
        
    - name: 🏗️ Build Package
      run: |
        python -m build
        
    - name: 📦 Check Package
      run: |
        python -m pip install dist/*.whl
        python -c "import gradio_app; print('✅ Package imported successfully')"

  # 🐳 Docker Build
  docker:
    name: 🐳 Docker Build
    runs-on: ubuntu-latest
    needs: test
    
    steps:
    - name: 📥 Checkout Code
      uses: actions/checkout@v4
      
    - name: 🐳 Set up Docker Buildx
      uses: docker/setup-buildx-action@v3
      
    - name: 🔑 Login to Docker Hub
      if: github.event_name != 'pull_request'
      uses: docker/login-action@v3
      with:
        username: ${{ secrets.DOCKER_USERNAME }}
        password: ${{ secrets.DOCKER_PASSWORD }}
        
    - name: 🏗️ Build and Push Docker Image
      uses: docker/build-push-action@v5
      with:
        context: .
        platforms: linux/amd64,linux/arm64
        push: ${{ github.event_name != 'pull_request' }}
        tags: |
          teknova/nova-ai:latest
          teknova/nova-ai:${{ github.sha }}
        cache-from: type=gha
        cache-to: type=gha,mode=max

  # 📱 Deploy to Staging
  deploy-staging:
    name: 📱 Deploy to Staging
    runs-on: ubuntu-latest
    needs: [test, build]
    if: github.ref == 'refs/heads/develop'
    environment: staging
    
    steps:
    - name: 📥 Checkout Code
      uses: actions/checkout@v4
      
    - name: 🚀 Deploy to Hugging Face Spaces (Staging)
      run: |
        echo "🚀 Deploying to HF Spaces Staging..."
        # HF Spaces deployment script here
        
  # 🌟 Deploy to Production
  deploy-production:
    name: 🌟 Deploy to Production
    runs-on: ubuntu-latest
    needs: [test, build, docker]
    if: github.ref == 'refs/heads/main'
    environment: production
    
    steps:
    - name: 📥 Checkout Code
      uses: actions/checkout@v4
      
    - name: 🌟 Deploy to Production
      run: |
        echo "🌟 Deploying Nova AI to Production..."
        # Production deployment script here

  # 📊 Performance Tests
  performance:
    name: 📊 Performance Tests
    runs-on: ubuntu-latest
    needs: test
    if: github.event_name == 'pull_request'
    
    steps:
    - name: 📥 Checkout Code
      uses: actions/checkout@v4
      
    - name: 🐍 Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: ${{ env.PYTHON_VERSION }}
        
    - name: 📊 Run Performance Tests
      run: |
        echo "📊 Running Nova AI performance tests..."
        # Performance test scripts here
        
  # 🔄 Auto-merge Dependabot PRs
  auto-merge:
    name: 🔄 Auto-merge Dependabot PRs
    runs-on: ubuntu-latest
    needs: [test, build]
    if: ${{ github.actor == 'dependabot[bot]' }}
    
    steps:
    - name: 🔄 Enable auto-merge for Dependabot PRs
      run: gh pr merge --auto --merge "$PR_URL"
      env:
        PR_URL: ${{github.event.pull_request.html_url}}
        GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}

  # 📢 Notifications
  notify:
    name: 📢 Notifications
    runs-on: ubuntu-latest
    needs: [test, build]
    if: always()
    
    steps:
    - name: 📢 Slack Notification
      if: failure()
      uses: 8398a7/action-slack@v3
      with:
        status: ${{ job.status }}
        channel: '#nova-ai-dev'
        webhook_url: ${{ secrets.SLACK_WEBHOOK }}
        
    - name: 📧 Email Notification
      if: failure()
      uses: dawidd6/action-send-mail@v3
      with:
        server_address: smtp.gmail.com
        server_port: 587
        username: ${{ secrets.EMAIL_USERNAME }}
        password: ${{ secrets.EMAIL_PASSWORD }}
        subject: 🚨 Nova AI CI/CD Failed
        to: teknova-dev@example.com
        from: Nova AI CI/CD
        body: |
          🚨 Nova AI CI/CD pipeline failed!
          
          Repository: ${{ github.repository }}
          Branch: ${{ github.ref }}
          Commit: ${{ github.sha }}
          
          Please check the logs: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}