import os
import importlib
import logging

class BaseProtocol:
    name = "Base"
    def encode(self, text: str) -> bytes: raise NotImplementedError
    def decode(self, data: bytes) -> str: raise NotImplementedError
    def generate_service_signal(self, signal_type: str) -> bytes: raise NotImplementedError
    def detect_service_signal(self, data: bytes) -> str: raise NotImplementedError

def load_protocols():
    plugins = {}
    for f in os.listdir('./protocols'):
        if f.endswith('.py') and f != '__init__.py':
            mod_name = f[:-3]
            try:
                mod = importlib.import_module(f'protocols.{mod_name}')
                if hasattr(mod, 'ProtocolPlugin'):
                    instance = mod.ProtocolPlugin()
                    plugins[instance.name] = {"instance": instance, "enabled": True, "failed": False}
            except Exception as e:
                logging.error(f"Failed to load protocol {mod_name}: {e}")
    return plugins