from machine import Pin, I2C, SPI
from time import sleep
from dht import DHT22
from pico_i2c_lcd import I2cLcd
from rtc_api import ler_hora
#from microsd import registar_excessos, armazenar_leituras, inicializar_sd

# Inicialização do microSD
#inicializar_sd()

# VAR Configs
temp_max = 40
intervalo_medicao = 5

# RTC setup
i2c_rtc = I2C(1, sda=Pin(26), scl=Pin(27), freq=400000)

# DHT22 sensor setup
dht = DHT22(Pin(18)) 

# LCD setup
i2c_lcd = I2C(0, sda=Pin(0), scl=Pin(1), freq=400000)
I2C_ADDR = i2c_lcd.scan()[0]
lcd = I2cLcd(i2c_lcd, I2C_ADDR, 2, 16)

# Relay setup
relay = Pin(16, Pin.OUT)
relay.off()

while True:
    try:
        # Leitura do sensor DHT
        dht.measure()
        temp = dht.temperature()
        humidity = dht.humidity()
        
        # Exibição no LCD
        lcd.clear()
        lcd.write_lcd(f"Temp: {temp:.1f}C")
        lcd.write_lcd(f"\nUmid: {humidity:.1f}%")

        data = ler_data(i2c_rtc)
        current_time = ler_hora(i2c_rtc)
        print(data, current_time)
        
        # Controle do relé
        if temp > temp_max:  # Temperatura limite
            relay.on()  # Liga o relé
            alert = f"Em {current_time} Excedeu {temp_max}°C"
            print(alert)
            #registar_excessos(alert)
        else:
            relay.off()  # Desliga o relé

        sleep(1)
        dados = f"Temperatura: {temp}°C, Umidade: {humidity}%" 
        print(dados)
        #armazenar_leituras(dados)
        sleep(intervalo_medicao)
        
    
    except Exception as e:
        print("Erro:", e)