from machine import Pin
import ssd1306
import dht
import machine


sensor = dht.DHT22(Pin(22))
i2c = machine.I2C(scl=machine.Pin(17), sda=machine.Pin(16)) # SCL and SDA
oled = ssd1306.SSD1306_I2C(128, 64, i2c)  # OLED config (128x64)


led_lst = [
    Pin(8,Pin.OUT),
    Pin(6,Pin.OUT),
    Pin(4,Pin.OUT),
    Pin(2,Pin.OUT),
]


def handle_led_array(humidity):
    """
    Set led array according to humidity value
    """
    value = int((humidity * (len(led_lst))) / 100)
    for i, led in enumerate(led_lst):
        led.value(int(i + 1 <= value))
    return


while True:
    sensor.measure()
    humidity = sensor.humidity()
    tmp = sensor.temperature()
    handle_led_array(100)

    oled.fill(0)
    
    # Set humidity and temperature in OLED
    oled.text("Temperature:", 0, 0)
    oled.text(f"{tmp} °C", 0, 16)
    oled.text("Humidity:", 0, 32)
    oled.text(f"{humidity} %", 0, 48)
    
    oled.show()