from machine import Pin, I2C
from picozero import Speaker
import dht
import ssd1306
import time

# === Configuración de pines ===
DHT_PIN = 15  # Pin DATA del DHT22
i2c = I2C(1, scl=Pin(3), sda=Pin(2))  # I2C1: SCL=GP3, SDA=GP2

# Inicializar sensores
sensor = dht.DHT22(Pin(DHT_PIN))
#Creamos el objeto oled con los atributos de la clase: SSD1306
oled = ssd1306.SSD1306_I2C(128, 64, i2c)
buzzer=Speaker(4)#Asignamos el pin 4 al buzzer

# Función para mostrar temperatura y humedad
def mostrar_en_oled(temp, hum):
    oled.fill(0)
    oled.text("Temp & Humedad", 0, 0)
    oled.text("Temp: {:.1f}C".format(temp), 0, 20)
    oled.text("Hum:  {:.1f} %".format(hum), 0, 40)
    oled.show()

def alerta_tempHum(temp,hum):
    oled.fill(0)
    buzzer.on()
    oled.text("!!ALERTA VALORES",0,0)
    oled.text("CRITICOS!!",0,10)
    oled.text("temp-->  {:.1f}[C] ".format(temp), 0, 30)
    oled.text("Hum-->  {:.1f} %".format(hum), 0, 50)
    oled.show()


# Bucle principal
while True:
    try:
        sensor.measure()
        temp = sensor.temperature()
        hum = sensor.humidity()
        if(temp>30 or temp<10 or hum<40 or hum>60):
            alerta_tempHum(temp,hum)
        else:
            buzzer.off()
            print("Temperatura: {:.1f}°C | Humedad: {:.1f}%".format(temp, hum))
            mostrar_en_oled(temp, hum)

    except Exception as e:
        print("Error leyendo DHT22:", e)

    time.sleep(1)