import time
from machine import Pin, ADC, I2C
from screen import Screen

# ----- ADC (Grove Light Sensor) -----
light_adc = ADC(Pin(1))
light_adc.atten(ADC.ATTN_11DB)      # 0–3.3V range
light_adc.width(ADC.WIDTH_12BIT)    # 0–4095

screen = Screen()

def read_light(samples=8):
    total = 0
    for _ in range(samples):
        total += light_adc.read()
        time.sleep_ms(5)
    return total // samples

while True:
    raw = read_light()
    percent = int((raw / 4095) * 100)

    screen.display("Light Sensor", 15, 0)
    screen.display("Raw: {}".format(raw), 15, 20)
    screen.display("Level: {}%".format(percent), 15, 40)

    time.sleep(0.5)