#!/usr/bin/env python3
"""
Weather Chatbot Runner
======================

Author: RSK World (https://rskworld.in)
Founded by: Molla Samser
Designer & Tester: Rima Khatun
Contact: +91 93305 39277, hello@rskworld.in, support@rskworld.in
Location: Nutanhat, Mongolkote, Purba Burdwan, West Bengal, India, 713147
Year: 2026

Description: Entry point for the Weather Chatbot application
"""

import os
import sys
from app import app

def main():
    """Main entry point for the Weather Chatbot application"""
    
    # Print startup banner
    print("=" * 60)
    print("🌤️  Weather Chatbot - RSK World")
    print("=" * 60)
    print("Author: RSK World (https://rskworld.in)")
    print("Founded by: Molla Samser")
    print("Designer & Tester: Rima Khatun")
    print("Contact: +91 93305 39277")
    print("Email: hello@rskworld.in, support@rskworld.in")
    print("Location: Nutanhat, Mongolkote, Purba Burdwan, West Bengal, India")
    print("Year: 2026")
    print("=" * 60)
    print("Features:")
    print("• Real-time weather data")
    print("• Weather forecasts")
    print("• Weather alerts")
    print("• Natural language processing")
    print("• Web interface")
    print("=" * 60)
    
    # Check environment variables
    openweather_key = os.getenv('OPENWEATHER_API_KEY')
    openai_key = os.getenv('OPENAI_API_KEY')
    
    if not openweather_key:
        print("⚠️  Warning: OPENWEATHER_API_KEY not found in environment variables")
        print("   Get your free API key from: https://openweathermap.org/api")
        print("   Set it in your .env file or environment variables")
    else:
        print("✅ OpenWeatherMap API key configured")
    
    if not openai_key:
        print("⚠️  Warning: OPENAI_API_KEY not found (optional)")
        print("   Chatbot will work with keyword matching")
        print("   For enhanced NLP, get API key from: https://platform.openai.com/api-keys")
    else:
        print("✅ OpenAI API key configured")
    
    print("=" * 60)
    
    # Get configuration
    host = os.getenv('HOST', '0.0.0.0')
    port = int(os.getenv('PORT', 5000))
    debug = os.getenv('FLASK_DEBUG', 'True').lower() == 'true'
    
    print(f"🚀 Starting Weather Chatbot on http://{host}:{port}")
    print("📱 Web Interface: http://localhost:5000")
    print("🔗 API Endpoints:")
    print("   • GET  /health - Health check")
    print("   • POST /chat   - Chat interface")
    print("   • GET  /weather/<city> - Current weather")
    print("   • GET  /forecast/<city> - Weather forecast")
    print("   • GET  /alerts/<city> - Weather alerts")
    print("=" * 60)
    print("Press Ctrl+C to stop the server")
    print("=" * 60)
    
    try:
        # Start the Flask application
        app.run(host=host, port=port, debug=debug)
    except KeyboardInterrupt:
        print("\n👋 Weather Chatbot stopped by user")
        print("© 2026 RSK World. All rights reserved.")
        sys.exit(0)
    except Exception as e:
        print(f"❌ Error starting server: {e}")
        sys.exit(1)

if __name__ == '__main__':
    main()