import sys
import time
import json
import usocket
import ubinascii

import machine
from umqtt.robust2 import MQTTClient


class BlynkMQTTClient:
    """
    Blynk MQTT Client for MicroPython
    """

    def __init__(self, auth_token:str, server:str="blynk.cloud", keepalive:int=45, ssl:bool=False, verbose:bool=False):      
        """
        Blynk MQTT Client constructor\r
\1 auth_token: Blynk authentication token
        :param server: Blynk server address (default: blynk.cloud)
        :param keepalive: MQTT keepalive interval in seconds (default: 45)
        :param ssl: Use SSL/TLS (default: False)
        :param verbose: Enable verbose logging (default: False)
        """
          
    def connect(self):
        """
        Connect to the Blynk MQTT broker.
        :return: True if connected, False otherwise
        """
        
    def disconnect(self):
        """
        Disconnect from the Blynk MQTT broker.
        """
        
    def add_subscribe_callback(self, datastream:str, callback:callable):
        """
        Register a callback for a specific datastream.\r
\1 datastream: Datastream name
        :param callback: Callback function to be called when a message is received
        """
        
    def remove_subscribe_callback(self, datastream:str):
        """
        Remove the callback for a specific datastream.\r
\1 datastream: Datastream name
        """
        
    def publish(self, datastream:str, value:str|int|float):
        """
        Publish a message to a specific datastream.\r
\1 datastream: Datastream name
        :param value: Value to be published (string, integer, or float)
        """
        
    def get_utc(self):
        """
        Get the current UTC time from the Blynk server.
        
        :return: Dictionary containing the UTC time and timezone name
        """
            
    def loop_forever(self):
        """
        Run the MQTT client loop indefinitely.
        """
        
    def loop(self):
        """
        Run the MQTT client loop for a short period.
        """
        