import json
import os

default_config = {
    'color': (255, 0, 0),
    'brightness': 1.0,
    'color_format': 'RGB',
    'servers': [('192.168.0.201', 80)]
}

config_file = 'config.json'

class ConfigHandler:
    def load_config(self):
        """Load color, brightness, format, and server settings from config file."""
        if os.path.exists(config_file):
            with open(config_file, 'r') as f:
                return json.load(f)
        else:
            return default_config

    def save_config(self, color, brightness, color_format, servers):
        """Save color, brightness, format, and server settings to config file."""
        config = {
            'color': color,
            'brightness': brightness,
            'color_format': color_format,
            'servers': servers
        }
        with open(config_file, 'w') as f:
            json.dump(config, f)
        print("Configuration saved.")

    def add_server(self, ip, port):
        """Add a new server IP and port."""
        config = self.load_config()
        config['servers'].append((ip, port))
        self.save_config(config['color'], config['brightness'], config['color_format'], config['servers'])
        print(f"Server {ip}:{port} added.")

    def remove_server(self, ip, port):
        """Remove an existing server IP and port."""
        config = self.load_config()
        if (ip, port) in config['servers']:
            config['servers'].remove((ip, port))
            self.save_config(config['color'], config['brightness'], config['color_format'], config['servers'])
            print(f"Server {ip}:{port} removed.")
        else:
            print(f"Server {ip}:{port} not found.")