import machine, network, time, urequests
from machine import Pin, ADC, reset
from utime import sleep_ms
import dht
import utime
import ujson
from umqtt.simple import MQTTClient

pr1 = ADC(Pin(34))
pr1.width(ADC.WIDTH_10BIT)

#(0 °C × 9/5) + 32 celcius a farenheit
#(32 °F − 32) × 5/9 farenheit a celcius



MQTT_CLIENT_ID = "dikersitotopicnamberonech"
MQTT_BROKER = "broker.hivemq.com"
MQTT_USER = ""
MQTT_PASSWORD = ""
MQTT_TOPIC = "dikersson"


def connect(red, password):
    global miRed
    miRed=network.WLAN(network.STA_IF)
    if not miRed.isconnected():
        
        miRed.active(True)
        miRed.connect(red, password)
        print('connecting to', red +'...')
        timeout=time.time()
        while not miRed.isconnected():
            if (time.ticks_diff (time.time (), timeout)>10):
                return False
    return True
        
if connect("Wokwi-GUEST", ""):
    print("conexion exitosa")
    print('network config:', miRed.ifconfig())
    
    print("Conectand+o a MQTT server... ", MQTT_BROKER,"...",end="")
    client = MQTTClient(MQTT_CLIENT_ID, MQTT_BROKER, user=MQTT_USER, password=MQTT_PASSWORD)
    client.connect()
    
    print("Conectado")
    new_data = ""
    while True:

        temperatura = pr1.read()
        temperatura = (temperatura * 100)/1023
        celcius = temperatura
        farenheit = (temperatura * 9/5) + 32

        print("revisando condiciones... ")

        mensaje = ("{:.2f}°C,{:.2f}F".format(celcius, farenheit))


        if mensaje != new_data:
            print("reportando a MQTT {}:{}".format(MQTT_TOPIC,mensaje))
            client.publish(MQTT_TOPIC, mensaje)
            new_data = mensaje
        else:
            print("No hay cambios...")
            time.sleep(2)

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