# -*- coding: utf-8 -*-
# !/usr/bin/env python

import logging

from typing import TYPE_CHECKING

logger = logging.getLogger(__name__)

if TYPE_CHECKING:
    from apps.web.device.models import DeviceDict


class Handler(object):
    def __init__(self, cmd, dev, payload):
        self.cmd = cmd
        self.dev = dev  # type: DeviceDict
        self.payload = payload

    def do(self):
        raise NotImplementedError()


class UnknowCmdHandler(Handler):
    def do(self):
        logger.debug('unknown cmd = {}'.format(self.cmd))