print("Hello, FESLY!")

from machine import Pin
from time import sleep

#####################################
###### PIN CONFIGURATIONS
# Use GPIO1 instead of GPIO8
led_bar_pins = [19, 18, 5, 17, 16, 4, 0, 2, 15, 13]
led_bar = [Pin(pin, Pin.OUT) for pin in led_bar_pins]

# Slide switch on GPIO23
switch_pin = Pin(34, Pin.IN, Pin.PULL_DOWN)

#####################################
###### SUBROUTINE FOR LED BAR ANIMATION
def sub_led_bar():
    # Forward sweep
    for pin in led_bar:
        pin.on()
        sleep(0.05)
        pin.off()
    # Reverse sweep
    for pin in reversed(led_bar):
        pin.on()
        sleep(0.05)
        pin.off()

#####################################
###### MAIN LOOP
def main():
    while True:
        if switch_pin.value() == 1:
            sub_led_bar()
        else:
            # Optional: turn all LEDs off if switch is off
            for pin in led_bar:
                pin.off()
            sleep(0.1)  # Debounce delay

if __name__ == '__main__':
    main()