from machine import Pin, I2C, PWM, ADC, RTC
import time
import dht
from lcd_api import LcdApi
from pico_i2c_lcd import I2cLcd
import utime

# Inisialisasi sensor dan komponen
dht_sensor = dht.DHT22(Pin(15))
ldr = ADC(Pin(26))
led = Pin(14, Pin.OUT)
buzzer = PWM(Pin(13))
buzzer.duty_u16(0)
button = Pin(12, Pin.IN, Pin.PULL_UP)

# Setup I2C LCD (alamat bisa 0x27 atau 0x3F, tergantung modul)
i2c = I2C(0, scl=Pin(1), sda=Pin(0), freq=400000)
lcd = I2cLcd(i2c, 0x27, 2, 16)

# Set waktu manual (tahun, bulan, tanggal, hari, jam, menit, detik, subdetik)
rtc = RTC()
rtc.datetime((2025, 4, 20, 0, 14, 0, 0, 0))

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

while True:
    try:
        # Baca sensor
        dht_sensor.measure()
        temp = dht_sensor.temperature()
        hum = dht_sensor.humidity()
        light = ldr.read_u16()

        # Ambil waktu dari RTC internal
        t = utime.localtime()
        jam = t[3]
        menit = t[4]

        # Deteksi kondisi cahaya
        if light < 30000 or jam >= 18 or jam < 6:
            status_cahaya = "Gelap"
        else:
            status_cahaya = "Terang"

        # Tampilkan data ke LCD
        lcd.clear()
        lcd.putstr("T:{:.1f}C H:{:.1f}%".format(temp, hum))
        time.sleep(2)
        lcd.clear()
        lcd.putstr("Cahaya:{}\n{:02d}:{:02d}".format(status_cahaya, jam, menit))

        # Alarm jika suhu tinggi
        if temp > 40:
            led.value(1)
            buzzer.duty_u16(30000)
            buzzer.freq(1000)
        else:
            led.value(0)
            buzzer.duty_u16(0)

        # Reset alarm jika tombol ditekan
        if button.value() == 0:
            print("Tombol ditekan!")
            buzzer.duty_u16(0)
            led.value(0)
            utime.sleep_ms(200)  # debounce

        time.sleep(3)

    except Exception as e:
        lcd.clear()
        lcd.putstr("Error!")
        print("Error:", e)
        time.sleep(2)