from machine import Pin
import dht
import ujson
 
import time
import machine

# my leds
RiegoDesactivado = Pin(13, machine.Pin.OUT)
RiegoActivado = Pin(12, machine.Pin.OUT)
warmLed = Pin(14, machine.Pin.OUT)

# turn off/on leds
def turnOnLed(led):
  RiegoDesactivado.off()
  RiegoActivado.off()
  warmLed.off()
  led.on()
 
  
sensor = dht.DHT22(Pin(15))
lastMessage = None
while True:
  sensor.measure() 
  message = ujson.dumps({
    "temp": sensor.temperature(),
    "humidity": sensor.humidity(),
  })
  if (lastMessage != sensor.temperature()):
    lastMessage = sensor.temperature()
    print(message)
    if(sensor.temperature() > 41):
      turnOnLed(warmLed)
      print("PELIGRO EN EL INVERNADERO")
    elif(sensor.temperature() > 15 and sensor.temperature() < 40):
      turnOnLed(RiegoActivado)
      print("RIEGO ACTIVADO")
    elif(sensor.temperature() < 15):
      turnOnLed(RiegoDesactivado)
      print("RIEGO DESACTIVADO")
  time.sleep(1)