#!/usr/bin/env python3
"""
CLI entry point for Marcus Scambaiter Bot
"""
import argparse
import asyncio
import sys
from pathlib import Path
import os

from .bot import main as bot_main, ScambaiterBot
from .conversation import ConversationAnalyzer
from .persona import load_persona, get_persona_path


def check_env_file():
    """Check if .env file exists and has required variables"""
    if not Path(".env").exists():
        print("❌ No .env file found!")
        print("📝 Please create a .env file with your credentials.")
        print("📖 See README.md for setup instructions.")
        return False
    
    required_vars = ['TELEGRAM_API_ID', 'TELEGRAM_API_HASH', 'TELEGRAM_PHONE', 'GROK_API_KEY']
    missing_vars = []
    
    # Load .env manually to check
    try:
        with open('.env', 'r') as f:
            env_content = f.read()
            for var in required_vars:
                if f"{var}=" not in env_content:
                    missing_vars.append(var)
    except Exception:
        pass
    
    if missing_vars:
        print(f"❌ Missing environment variables: {', '.join(missing_vars)}")
        print("📝 Please add them to your .env file.")
        return False
    
    return True


def show_stats():
    """Show conversation statistics"""
    try:
        analyzer = ConversationAnalyzer()
        stats = analyzer.get_conversation_summary()
        
        print("📊 Marcus Scambaiter Statistics")
        print("=" * 40)
        print(f"Total scammers engaged: {stats['total_scammers_engaged']}")
        print(f"Total messages received: {stats['total_messages_received']}")
        print(f"Time wasted (minutes): {stats['total_time_wasted_minutes']:.1f}")
        print(f"Average messages per scammer: {stats['average_messages_per_scammer']:.1f}")
        
        if stats['scammer_types']:
            print("\nScammer Types Detected:")
            for scam_type, count in stats['scammer_types'].items():
                print(f"  {scam_type}: {count}")
        
    except Exception as e:
        print(f"❌ Error reading statistics: {e}")


def show_persona():
    """Show Marcus's persona"""
    try:
        persona = load_persona()
        print("🎭 Marcus's Persona")
        print("=" * 40)
        print(persona)
    except Exception as e:
        print(f"❌ Error loading persona: {e}")


def main():
    """Main CLI entry point"""
    parser = argparse.ArgumentParser(
        description="Marcus - Telegram Scambaiting Bot",
        epilog="For more information, visit: https://retoor.molodetz.nl/retoor/"
    )
    
    subparsers = parser.add_subparsers(dest='command', help='Available commands')
    
    # Start command
    start_parser = subparsers.add_parser('start', help='Start the scambaiting bot')
    start_parser.add_argument('--check-only', action='store_true', 
                            help='Only check configuration, don\'t start bot')
    
    # Stats command
    subparsers.add_parser('stats', help='Show conversation statistics')
    
    # Persona command  
    subparsers.add_parser('persona', help='Show Marcus\'s personality')
    
    # Config command
    config_parser = subparsers.add_parser('config', help='Configuration utilities')
    config_parser.add_argument('--check', action='store_true', help='Check configuration')
    
    args = parser.parse_args()
    
    if not args.command:
        parser.print_help()
        return
    
    print("🎭 Marcus Scambaiter Bot v1.0.0")
    print("By retoor - https://retoor.molodetz.nl/retoor/")
    print()
    
    if args.command == 'start':
        if not check_env_file():
            sys.exit(1)
            
        if args.check_only:
            print("✅ Configuration looks good!")
            print("🚀 Run 'marcus start' to begin scambaiting!")
            return
            
        print("🎯 Starting Marcus...")
        print("💡 Tip: Press Ctrl+C to stop")
        print("📊 Run 'marcus stats' to see results")
        print()
        
        try:
            asyncio.run(bot_main())
        except KeyboardInterrupt:
            print("\n👋 Marcus stopped. Goodbye!")
        except Exception as e:
            print(f"❌ Error: {e}")
            sys.exit(1)
    
    elif args.command == 'stats':
        show_stats()
    
    elif args.command == 'persona':
        show_persona()
    
    elif args.command == 'config':
        if args.check:
            if check_env_file():
                print("✅ Configuration is valid!")
            else:
                sys.exit(1)


if __name__ == "__main__":
    main()