import machine
import dht
import time
from lcd_api import LcdApi
from i2c_lcd import I2cLcd

#Konfigurasi I2C untuk LCD 2004
i2c = machine.I2C(0, scl=machine.Pin(22), sda=machine.Pin(21), freq=400000)
I2C_ADDR = 0x27     #Ganti jika alamat I2C LCD brbeda
lcd = I2cLcd(i2c, I2C_ADDR, 4, 20)

#Setup DHT22
dht_pin = machine.Pin(15)
sensor = dht.DHT22(dht_pin)

#Setup Relay (atau LED indikator)
relay = machine.Pin(16,machine.Pin.OUT)

#Threshold suhu
TEMP_THRESHOLD = 30.0

lcd.clear()
lcd.putstr("Monitoring Suhu")
time.sleep(2)

while True:
    try:
        sensor.measure()
        suhu = sensor.temperature()
        kelembaban = sensor.humidity()

        lcd.clear()
        lcd.putstr("Suhu: {:.1f} C".format(suhu))
        lcd.move_to(0, 1)
        lcd.putstr("Lembab: {:.1f}%".format(kelembaban))

        if suhu >= TEMP_THRESHOLD:
            relay.value(1)  #ON
            lcd.move_to(0, 2)
            lcd.putstr("Kipas: ON")
        else:
            relay.value(0)  #OFF
            lcd.move_to(0, 2)
            lcd.putstr("Kipas: OFF")

    except OSError as e:
        lcd.clear()
        lcd.putstr("Gagal membaca sensor")

    time.sleep(2)