#!/usr/bin/env python3
"""
Real Estate Bot - Application Entry Point
Author: RSK World (https://rskworld.in)
Founded by: Molla Samser
Designer & Tester: Rima Khatun
Contact: info@rskworld.com, +91 93305 39277
Year: 2026
Description: Real estate chatbot for property search, inquiries, and scheduling viewings
"""

import os
import sys
from pathlib import Path

# Add the project root to Python path for proper imports
project_root = Path(__file__).parent
sys.path.insert(0, str(project_root))

# Now import app which will use 'from src.xxx import...' correctly
from src.app import app

def main():
    """Main entry point for the application"""
    
    # Print startup banner
    print("=" * 60)
    print("🏠 Real Estate Bot - AI-Powered Property Assistant")
    print("=" * 60)
    print("Author: RSK World (https://rskworld.in)")
    print("Founded by: Molla Samser")
    print("Designer & Tester: Rima Khatun")
    print("Contact: info@rskworld.com, +91 93305 39277")
    print("Year: 2026")
    print("=" * 60)
    
    # Check environment variables
    required_env_vars = ['OPENAI_API_KEY']
    missing_vars = []
    
    for var in required_env_vars:
        if not os.getenv(var):
            missing_vars.append(var)
    
    if missing_vars:
        print("⚠️  Warning: Missing required environment variables:")
        for var in missing_vars:
            print(f"   - {var}")
        print("\nPlease set these variables in your .env file or environment.")
        print("The application will start but AI features may not work properly.")
        print("=" * 60)
    
    # Get configuration
    host = os.getenv('FLASK_HOST', '0.0.0.0')
    port = int(os.getenv('FLASK_PORT', 5000))
    debug = os.getenv('FLASK_DEBUG', 'True').lower() == 'true'
    
    print(f"🚀 Starting server on http://{host}:{port}")
    print(f"🔧 Debug mode: {'ON' if debug else 'OFF'}")
    print(f"📁 Working directory: {os.getcwd()}")
    print("=" * 60)
    print("🌐 Open your web browser and navigate to:")
    if host == '0.0.0.0':
        print(f"   - http://localhost:{port}")
        print(f"   - http://127.0.0.1:{port}")
    else:
        print(f"   - http://{host}:{port}")
    print("=" * 60)
    print("Press Ctrl+C to stop the server")
    print()
    
    try:
        # Start the Flask application
        app.run(
            host=host,
            port=port,
            debug=debug,
            use_reloader=debug
        )
    except KeyboardInterrupt:
        print("\n🛑 Server stopped by user")
    except Exception as e:
        print(f"\n❌ Error starting server: {e}")
        sys.exit(1)

if __name__ == '__main__':
    main()