import os
import configparser
from pathlib import Path

def validate_env_vars():
    """Validate that required environment variables are set and non-empty."""
    required_vars = [
        'DISCORD_TOKEN',
        'ALLOWED_GUILD_ID',
        'PANEL_URL',
        'CLIENT_API_KEY',
        'APPLICATION_API_KEY'
    ]
    
    missing_vars = [var for var in required_vars if not os.getenv(var)]
    if missing_vars:
        raise ValueError(f"Missing required environment variables: {', '.join(missing_vars)}")

def generate_config():
    """Generate config.ini from environment variables."""
    # Validate environment variables first
    validate_env_vars()
    
    config = configparser.ConfigParser()
    
    # Discord section - ensure all values are strings
    config['Discord'] = {
        'Token': str(os.getenv('DISCORD_TOKEN')),
        'AllowedGuildID': str(os.getenv('ALLOWED_GUILD_ID'))
    }
    
    # Pterodactyl section - ensure all values are strings
    config['Pterodactyl'] = {
        'PanelURL': str(os.getenv('PANEL_URL')),
        'ClientAPIKey': str(os.getenv('CLIENT_API_KEY')),
        'ApplicationAPIKey': str(os.getenv('APPLICATION_API_KEY'))
    }
    
    # Write to file
    config_path = Path(os.getenv('CONFIG_PATH', 'config.ini'))
    config_path.parent.mkdir(exist_ok=True, parents=True)
    
    with open(config_path, 'w') as configfile:
        config.write(configfile)
    print(f"Config file generated at {config_path}")

if __name__ == "__main__":
    generate_config()