from machine import I2C, Pin   
from machine import I2C, Pin   
from time import sleep

from pico_i2c_lcd import I2cLcd
from dht import DHT22

i2c = I2C(0, sda=Pin(0), scl=Pin(1), freq=400000)
I2C_ADDR = i2c.scan()[0]
dht = DHT22(Pin(5))
lcd = I2cLcd(i2c, I2C_ADDR, 2, 16)

led_rojo = Pin(16, Pin.OUT)
led_azul = Pin(17, Pin.OUT)
led_alerta = Pin(18, Pin.OUT)

while True:
    dht.measure()
    temp = dht.temperature()
    hum = dht.humidity()
    
    print("Temperatura: {}°C   Humedad: {:.1f}% ".format(temp, hum))
    
    lcd.clear()
    #lcd.putstr('Temp: ' + str(temp) + " C")
    lcd.move_to(0, 1)

    if temp > 38 and hum > 50:
        lcd.putstr("ALERTA")

        led_rojo.value(0)
        led_azul.value(0)

        for _ in range(3):  # Parpadea 3 veces
            led_alerta.value(1)
            sleep(0.2)
            led_alerta.value(0)
            sleep(0.2)
    else:
        # No hay alerta, gestionar temperatura y humedad individualmente
        if temp > 38:
            lcd.putstr("Temp. alta")
            led_rojo.value(1)  # Enciende LED rojo si la temp es alta
        else:
            led_rojo.value(0)  # Apaga LED rojo si la temp baja

        if hum > 50:
            lcd.putstr("Humedad alta")
            led_azul.value(1)  # Enciende LED azul si la humedad es alta
        else:
            led_azul.value(0)  # Apaga LED azul si la humedad baja

        #led_alerta.value(0)  # Apaga LED de alerta si no hay alerta



    sleep(5)