#!/usr/bin/env python3
"""
Main application entry point for the sandbox project.
"""

import json
import os
from datetime import datetime
from src.auth import UserManager

def load_config():
    """Load configuration from config.json"""
    try:
        with open('config.json', 'r') as f:
            return json.load(f)
    except FileNotFoundError:
        return {"debug": True, "version": "1.0.0"}

def main():
    """Main function"""
    config = load_config()
    print(f"Sandbox Project v{config.get('version', '1.0.0')}")
    print(f"Debug mode: {config.get('debug', False)}")
    print(f"Current time: {datetime.now()}")
    
    if config.get("debug"):
        print("Running in debug mode")
    
    # Initialize authentication system
    auth_manager = UserManager()
    print("\n--- Authentication System Demo ---")
    
    try:
        # Register a demo user
        auth_manager.register_user("demo_user", "demo@example.com", "secure_password123")
        print("✓ Demo user registered successfully")
        
        # Authenticate the user
        session_token = auth_manager.authenticate("demo_user", "secure_password123")
        print("✓ User authenticated successfully")
        print(f"Session token: {session_token[:20]}...")
        
        # Validate session
        username = auth_manager.validate_session(session_token)
        print(f"✓ Session validated for user: {username}")
        
    except Exception as e:
        print(f"✗ Authentication error: {e}")

if __name__ == "__main__":
    main()