from machine import Pin, Timer, I2C
import dht
import time
from lcd_api import LcdApi
from i2c_lcd import I2cLcd

# DHT22 setup
sensor = dht.DHT22(Pin(13))

# I2C LCD setup
I2C_ADDR = 0x27
I2C_ROWS = 2
I2C_COLS = 16
i2c = I2C(0, sda=Pin(22), scl=Pin(23), freq=400000)
lcd = I2cLcd(i2c, I2C_ADDR, I2C_ROWS, I2C_COLS)

# HC-SR04 setup
trigger = Pin(5, Pin.OUT)
echo = Pin(18, Pin.IN)

def measure_distance():
    trigger.off()
    time.sleep_us(2)
    trigger.on()
    time.sleep_us(10)
    trigger.off()

    while echo.value() == 0:
        pass
    start = time.ticks_us()

    while echo.value() == 1:
        pass
    end = time.ticks_us()

    duration = time.ticks_diff(end, start)
    distance = (duration / 2) / 29.1  # Convert to cm
    return distance

def readTemperature(timer):
    try:
        sensor.measure()
        temperature = sensor.temperature()
        humidity = sensor.humidity()
        distance = measure_distance()

        lcd.clear()
        lcd.putstr(f"Temp: {temperature:.1f}C")
        lcd.move_to(0, 1)
        lcd.putstr(f"Dist: {distance:.1f}cm")
    except OSError as e:
        lcd.clear()
        lcd.putstr("Sensor Error")
        print("Fout bij het uitlezen van de sensor:", e)

led = Pin(2, Pin.OUT)

def blinkLed(timer):
    led.value(not led.value())

temp_timer = Timer(0)
led_timer = Timer(1)

led_timer.init(period=1000, mode=Timer.PERIODIC, callback=blinkLed)
temp_timer.init(period=120000, mode=Timer.PERIODIC, callback=readTemperature)

while True:
    time.sleep(1)