#!/usr/bin/env python3
"""
Real Functionality Test Runner for Documentation System

Demonstrates how to run real functionality tests without mocks:
- Starts real services
- Uses real data
- Tests actual user workflows
- Validates real system behavior
"""

import sys
import time
from pathlib import Path

# Add current directory to path for imports
sys.path.insert(0, str(Path(__file__).parent))

from test_documentation_tab_fixed import test_real_documentation_functionality
from test_documentation_real_utils import RealServiceManager, RealDocumentationData


def main():
    """Run real functionality tests"""
    print("🚀 REAL FUNCTIONALITY TEST RUNNER")
    print("=" * 50)
    print()
    
    # Check prerequisites
    print("🔍 Checking prerequisites...")
    
    # Check if Chrome/Chromium is available
    try:
        from selenium import webdriver
        from selenium.webdriver.chrome.options import Options
        
        options = Options()
        options.add_argument("--headless")
        options.add_argument("--no-sandbox")
        
        driver = webdriver.Chrome(options=options)
        driver.quit()
        print("   ✅ Chrome WebDriver available")
    except Exception as e:
        print(f"   ❌ Chrome WebDriver not available: {e}")
        print("   Install ChromeDriver: https://chromedriver.chromium.org/")
        return False
    
    # Check if project structure exists
    backend_dir = Path("visual_workflow_builder/backend")
    frontend_dir = Path("visual_workflow_builder/frontend")
    
    if not backend_dir.exists():
        print(f"   ❌ Backend directory not found: {backend_dir}")
        return False
    
    if not frontend_dir.exists():
        print(f"   ❌ Frontend directory not found: {frontend_dir}")
        return False
    
    print("   ✅ Project structure OK")
    print()
    
    # Run real functionality tests
    print("🧪 Running real functionality tests...")
    print()
    
    try:
        success = test_real_documentation_functionality()
        
        if success:
            print()
            print("🎉 ALL REAL FUNCTIONALITY TESTS PASSED!")
            print()
            print("Key achievements:")
            print("✅ Real services started and tested")
            print("✅ Real API endpoints validated")
            print("✅ Real data flow verified")
            print("✅ Real user interactions tested")
            print("✅ Real content validation passed")
            return True
        else:
            print()
            print("❌ REAL FUNCTIONALITY TESTS FAILED")
            print()
            print("This indicates issues with:")
            print("• Real service integration")
            print("• Actual data flow")
            print("• User interaction patterns")
            print("• Content loading mechanisms")
            return False
            
    except KeyboardInterrupt:
        print("\n⏹️ Tests interrupted by user")
        return False
    except Exception as e:
        print(f"\n❌ Test runner error: {e}")
        return False


def demo_real_vs_mock_testing():
    """Demonstrate the difference between real and mock testing"""
    print("\n📚 REAL vs MOCK TESTING COMPARISON")
    print("=" * 40)
    print()
    
    print("🎭 MOCK TESTING (Traditional):")
    print("• Uses fake/simulated components")
    print("• Tests isolated units")
    print("• Fast but may miss integration issues")
    print("• Example: Mock API responses, fake DOM elements")
    print()
    
    print("🎯 REAL FUNCTIONALITY TESTING (This approach):")
    print("• Uses actual running services")
    print("• Tests complete user workflows")
    print("• Slower but catches real-world issues")
    print("• Example: Real API calls, actual browser interaction")
    print()
    
    print("🔄 HYBRID APPROACH (Recommended):")
    print("• Unit tests with mocks for speed")
    print("• Integration tests with real functionality")
    print("• End-to-end tests with real user scenarios")
    print()


if __name__ == "__main__":
    success = main()
    
    if "--demo" in sys.argv:
        demo_real_vs_mock_testing()
    
    sys.exit(0 if success else 1)