from machine import Pin
import time

#  Define LED pins based on your actual Wokwi circuit
led_pins = [13, 12, 14, 27, 26, 25, 33, 32]
leds = [Pin(p, Pin.OUT) for p in led_pins]

#  Define button pins (Entrance = GPIO 4, Exit = GPIO 2)
entrance_button = Pin(34, Pin.IN, Pin.PULL_UP)
exit_button = Pin(35, Pin.IN, Pin.PULL_UP)

car_count = 0  # Counter for cars inside (0 to 8)

def update_leds():
    for i in range(8):
        leds[i].value(1 if i < car_count else 0)

def turn_off_all_leds():
    for led in leds:
        led.value(0)

print("Car monitoring system starting...")
turn_off_all_leds()

while True:
    if entrance_button.value() == 0:
        if car_count < 8:
            car_count += 1
            print(f"Car entered. Current count: {car_count}")
            update_leds()
        else:
            print("Maximum car capacity reached (8). No more cars can enter.")
        time.sleep(0.3)

    if exit_button.value() == 0:
        if car_count > 0:
            car_count -= 1
            print(f"Car exited. Current count: {car_count}")
            update_leds()
        else:
            print("No cars inside. No more cars can exit.")
        time.sleep(0.3)

    time.sleep(0.01)