from machine import ADC, Pin, PWM, I2C
from dht import DHT22
from ds3231 import DS3231
from i2c_lcd import I2cLcd
import utime

# === Inisialisasi Hardware ===
ldr = ADC(28)               # LDR di GPIO28
pot = ADC(26)               # Potensiometer tanah di GPIO26
dht = DHT22(Pin(22))        # DHT22 di GPIO22

servo_udara = PWM(Pin(10))  # Servo udara di GPIO10
servo_udara.freq(50)

relay_tanah = Pin(11, Pin.OUT)  # Relay tanah di GPIO11 (menggantikan servo tanah)

led1 = Pin(14, Pin.OUT)     # LED 1 di GPIO14
led2 = Pin(15, Pin.OUT)     # LED 2 di GPIO15

# I2C untuk LCD (SDA=GPIO0, SCL=GPIO1)
i2c_lcd = I2C(0, sda=Pin(0), scl=Pin(1))
lcd = I2cLcd(i2c_lcd, 0x27, 2, 16)

# I2C untuk RTC (SDA=GPIO6, SCL=GPIO7)
i2c_rtc = I2C(1, sda=Pin(6), scl=Pin(7))
rtc = DS3231(i2c_rtc)

# === Fungsi Tambahan ===
def adc_to_lux(adc_val):
    return int((adc_val / 65535) * 30000)

def adc_to_persen(adc_val):
    return int((adc_val / 65535) * 100)

def buka_servo(servo):
    servo.duty_u16(8192)
    print(">>> Servo BUKA")

def tutup_servo(servo):
    servo.duty_u16(1638)
    print(">>> Servo TUTUP")

# === Loop Utama ===
while True:
    try:
        # Baca waktu dari RTC
        jam, menit, detik = rtc.get_time()
        print(f"[Waktu] {jam:02}:{menit:02}:{detik:02}")

        # Baca LDR dan kontrol lampu jika jam 7–15
        if 7 <= jam < 15:
            lux = adc_to_lux(ldr.read_u16())
            led1.value(lux >= 18000)
            led2.value(lux < 18000)
        else:
            lux = 0
            led1.value(0)
            led2.value(0)
        print(f"[LDR] Lux = {lux}, LED1 = {led1.value()}, LED2 = {led2.value()}")

        # Baca suhu dan kelembapan udara dari DHT22
        dht.measure()
        utime.sleep(2)
        suhu = dht.temperature
        hum = dht.humidity
        print(f"[DHT22] T = {suhu:.1f}°C, H = {hum:.1f}%")

        # === Logika Servo Udara ===
        if suhu > 30 and hum < 50:
            buka_servo(servo_udara)
        else:
            tutup_servo(servo_udara)

        # === Kelembapan tanah & Relay ===
        kelembapan_tanah = adc_to_persen(pot.read_u16())
        print(f"[Soil] Kelembapan Tanah = {kelembapan_tanah}%")

        if kelembapan_tanah < 40:
            relay_tanah.value(1)  # Aktifkan relay
            print(">>> Relay TANAH AKTIF")
        else:
            relay_tanah.value(0)  # Matikan relay
            print(">>> Relay TANAH NON-AKTIF")

        # === Tampilkan ke LCD ===
        lcd.clear()
        lcd.putstr(f"T:{suhu:.1f}C H:{hum:.1f}%")
        lcd.move_to(0, 1)
        lcd.putstr(f"L:{lux} {jam:02}:{menit:02}")

        print(f"[LCD] T:{suhu:.1f} H:{hum:.1f} L:{lux} {jam:02}:{menit:02}")
        print("-" * 40)
        utime.sleep(5)

    except Exception as e:
        print("!!! Error:", e)
        utime.sleep(3)