import network, time, urequests
from machine import Pin, PWM
from utime import sleep, sleep_ms
from umqtt.simple import MQTTClient
import ujson

sound = PWM(Pin(27))

# MQTT Server Parameters
MQTT_CLIENT_ID = "Hugo243535Unico21" # UNICO  random
MQTT_BROKER    = "test.mosquitto.org"
MQTT_USER      = ""
MQTT_PASSWORD  = ""
MQTT_TOPIC_SUB     = "servicio/monitoreo"



def conectaWifi (red, password):
      global miRed
      miRed = network.WLAN(network.STA_IF)     
      if not miRed.isconnected():              #Si no está conectado…
          miRed.active(True)                   #activa la interface
          miRed.connect(red, password)         #Intenta conectar con la red
          print('Conectando a la red', red +"…")
          timeout = time.time ()
          while not miRed.isconnected():           #Mientras no se conecte..
              if (time.ticks_diff (time.time (), timeout) > 10):
                  return False
      return True


if conectaWifi ("Wokwi-GUEST", ""):
    print ("Conexión exitosa!")
    print('Datos de la red (IP/netmask/gw/DNS):', miRed.ifconfig())
     
    print("Conectando a  MQTT server... ",MQTT_BROKER,"...", end="")
    client = MQTTClient(MQTT_CLIENT_ID, MQTT_BROKER, user=MQTT_USER, password=MQTT_PASSWORD)
    client.connect()
    
    def sub_cb(topic, msg):
        recibe = ujson.loads(msg.decode())
        print(f'Recibido:{recibe}')
        print(recibe["Verificacion"])
        r = recibe["Verificacion"]

        if r == "Hugo":
            sound.freq(261)  # Ajusta la frecuencia del buzzer a 261 Hz (nota Do)
            sound.duty(1023)
        else:
            sound.freq(349)  # Ajusta la frecuencia a 349 Hz (nota Fa)
            sound.duty(1023)
     
    while True:
        client.set_callback(sub_cb)
        client.subscribe(MQTT_TOPIC_SUB)
        print ("...esperando")
        client.wait_msg()       
        sleep(2)
       
      

        
 
else:
       print ("Imposible conectar")
       miRed.active (False)