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

light_adc = ADC(Pin(1))
light_adc.atten(ADC.ATTN_11DB)
light_adc.width(ADC.WIDTH_12BIT)

screen = Screen()

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

def sensor_task():
    while True:
        raw = read_light()
        percent = int((raw / 2439) * 100)
        advice = None
        if percent > 80:
            advice = "Too bright !"
        elif percent < 15:
            advice = "Too dark !"
        else :
            advice = "I'm fine :)"

        lines = [
            "Light Sensor",
            f"Level: {percent}%",
            f"{advice}"
        ]

        screen.display_lines(lines, 0)

        time.sleep(1)

_thread.start_new_thread(sensor_task, ())

print("Main thread running")