from machine import Pin
from time import sleep


led_pins = [2, 4, 5, 13, 14, 16, 17, 18]
leds = [Pin(pin, Pin.OUT) for pin in led_pins]


btn_in = Pin(34, Pin.IN, Pin.PULL_UP)
btn_out = Pin(35, Pin.IN, Pin.PULL_UP)

count = 0
prev_in = 1
prev_out = 1

def update_leds(n):
    for i in range(len(leds)):
        leds[i].value(1 if i < n else 0)

while True:
    now_in = btn_in.value()
    now_out = btn_out.value()

    
    if prev_in == 1 and now_in == 0:
        if count < 8:
            count += 1
            print("✅ دخلت عربية. العدد =", count)
            update_leds(count)
        sleep(0.1)   

    
    if prev_out == 1 and now_out == 0:
        if count > 0:
            count -= 1
            print("🚗 خرجت عربية. العدد =", count)
            update_leds(count)
        sleep(0.1)  

    prev_in = now_in
    prev_out = now_out

    sleep(0.005)