from machine import Pin
from utime import sleep, sleep_ms
import network, time
import ujson
from neopixel import NeoPixel 
from umqtt.simple import MQTTClient

MQTT_CLIENT_ID = "clien333tFFFFORhugo"
MQTT_BROKER    = "broker.hivemq.com"
MQTT_USER      = ""
MQTT_PASSWORD  = ""
MQTT_TOPIC_SUB = "control/bombillo"
np= NeoPixel(Pin(16), 1)

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):
        dato = ujson.loads(msg.decode())
        print(f'Recibido:{dato}')
        print(dato["Bombillo"])
        r = dato["Bombillo"]
        if r == "rojo":
            np[0]=(255,0,0)
            np.write()
        elif r == "azul":
            np[0]=(0,0,255)
            np.write()
        


    while True:
        client.set_callback(sub_cb)
        client.subscribe(MQTT_TOPIC_SUB)
        np[0]=(0,255,0)
        np.write()
        print ("esperando")
        client.wait_msg()
        time.sleep(3)
        
        


        


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