#!/usr/bin/env python3
"""
Hackathon Demo Launcher
LLM-Agent-Designed Obstacle-Passing Vehicle System
Track 3: Agentic Demo Showcase
"""

import sys
import os
import ssl

# SSL workaround for Gradio/network issues
try:
    import certifi
    os.environ['SSL_CERT_FILE'] = certifi.where()
except ImportError:
    pass

# Try to disable SSL verification as a workaround
try:
    ssl._create_default_https_context = ssl._create_unverified_context
except AttributeError:
    pass

import webbrowser
import time

def print_banner():
    """Print the hackathon banner"""
    print("=" * 80)
    print("🤖🚁 LLM-AGENT-DESIGNED VEHICLE SYSTEM - HACKATHON DEMO")
    print("          TRACK 3: AGENTIC DEMO SHOWCASE")
    print("=" * 80)
    print()

def check_dependencies():
    """Check if all required dependencies are installed"""
    print("🔍 Checking dependencies...")
    
    missing_deps = []
    
    # Check for required packages
    required_packages = [
        ('gradio', 'gradio'),
        ('pybullet', 'pybullet'),
        ('transformers', 'transformers'),
        ('torch', 'torch'),
        ('Pillow', 'PIL'),
        ('imageio', 'imageio'),
        ('numpy', 'numpy')
    ]
    
    for package_name, import_name in required_packages:
        try:
            __import__(import_name)
            print(f"  ✅ {package_name}")
        except ImportError:
            print(f"  ❌ {package_name} - MISSING")
            missing_deps.append(package_name)
        except Exception as e:
            print(f"  ⚠️  {package_name} - Import warning: {str(e)[:50]}...")
    
    if missing_deps:
        print(f"\n⚠️  Missing dependencies: {', '.join(missing_deps)}")
        print("Please install them using:")
        print("   pip install -r requirements.txt")
        return False
    
    print("✅ All dependencies are available!")
    return True

def show_options():
    """Show available demo options"""
    print("\n🎯 HACKATHON DEMO OPTIONS:")
    print()
    print("1. 🌐 Interactive Gradio Web Interface (Recommended)")
    print("   - Full agentic demo with real-time feedback")
    print("   - Visual simulation results")
    print("   - Downloadable design specifications")
    print()
    print("2. 🖥️  System Demonstration & Feature Overview")
    print("   - Comprehensive feature walkthrough")
    print("   - Technical implementation details")
    print("   - Hackathon judging criteria alignment")
    print()
    print("3. 📚 Documentation & README Preview")
    print("   - View generated README content")
    print("   - Submission materials overview")
    print()

def launch_gradio_demo():
    """Launch the main Gradio interface"""
    print("🚀 Launching Interactive Gradio Demo...")
    print("This will start the web interface where you can:")
    print("  • Select vehicle type (robot/drone)")
    print("  • Describe your design task in natural language")
    print("  • Watch the LLM agent work in real-time")
    print("  • See physics simulation results")
    print("  • Download design specifications")
    print()
    
    try:
        from main_orchestrator import create_hackathon_gradio_interface
        
        print("Creating interface...")
        interface = create_hackathon_gradio_interface()
        
        print("✅ Interface created successfully!")
        print()
        print("🌐 Starting web server...")
        print("📋 The demo will open in your browser automatically")
        print("🔗 URL: http://localhost:7860")
        print()
        print("💡 TIP: Try these example tasks:")
        print("  • 'Design a robot that crosses quickly and stops safely'")
        print("  • 'Create a drone that flies over and lands gently'")
        print("  • 'Build a stable robot for rough terrain'")
        print()
        print("⚠️  Press Ctrl+C to stop the server")
        print()
        
        # Launch with browser opening
        interface.launch(
            server_name="0.0.0.0",
            server_port=7860,
            share=False,  # Set to True for public sharing
            show_error=True,
            inbrowser=True,
            quiet=False
        )
        
    except Exception as e:
        print(f"❌ Error launching Gradio demo: {e}")
        print("Please check your installation and try again.")
        return False
    
    return True

def run_system_demo():
    """Run the comprehensive system demonstration"""
    print("🖥️  Running System Demonstration...")
    print()
    
    try:
        from hackathon_demo import main
        main()
    except Exception as e:
        print(f"❌ Error running system demo: {e}")
        return False
    
    return True

def show_readme():
    """Display README content"""
    print("📚 README & Documentation Preview...")
    print()
    
    try:
        with open('README.md', 'r', encoding='utf-8') as f:
            content = f.read()
        
        # Show first part of README
        lines = content.split('\n')
        preview_lines = lines[:50]  # Show first 50 lines
        
        for line in preview_lines:
            print(line)
        
        if len(lines) > 50:
            print("\n... (README continues - see README.md for full content)")
        
        print(f"\n📄 Full README available in: README.md")
        print(f"📊 Total README length: {len(lines)} lines")
        
    except Exception as e:
        print(f"❌ Error reading README: {e}")
        return False
    
    return True

def main():
    """Main launcher function"""
    print_banner()
    
    # Check dependencies first
    if not check_dependencies():
        print("\n❌ Cannot proceed without required dependencies.")
        sys.exit(1)
    
    # Show options
    show_options()
    
    while True:
        try:
            print("\n" + "─" * 60)
            choice = input("Enter your choice (1-3, or 'q' to quit): ").strip().lower()
            
            if choice in ['q', 'quit', 'exit']:
                print("👋 Thank you for exploring our hackathon submission!")
                break
            elif choice == '1':
                if launch_gradio_demo():
                    break  # Exit after Gradio demo ends
            elif choice == '2':
                run_system_demo()
            elif choice == '3':
                show_readme()
            else:
                print("❌ Invalid choice. Please enter 1, 2, 3, or 'q'.")
                
        except KeyboardInterrupt:
            print("\n\n👋 Demo interrupted. Thank you for exploring our submission!")
            break
        except Exception as e:
            print(f"\n❌ Unexpected error: {e}")
            print("Please try again or contact the developers.")

if __name__ == "__main__":
    main()