from time import sleep
from machine import Pin
leds = []
for i in range(8):
    leds.append(Pin(i, Pin.OUT))

pb_links = Pin(16, Pin.IN)
pb_rechts = Pin(17, Pin.IN)
click_tijd = 3
geclicked = False
righting = -1
while True:
    if righting == -1:

        # stel rightingen in
        if pb_rechts.value() == 1: 
            righting = 0 
        if pb_links.value() == 1: 
            righting = 1
    else:
        for i in range(8):
            
            # beweeg bal
            if righting == 1:
                leds[i].on()
                if i < 7: leds[i - 1].off()
            else:
                leds[7 - i].on()
                if i > 0: leds[7 - (i - 1)].off()

            # detecteer click
            if i > 8 - click_tijd:
                if righting == 0 and pb_links.value() == 1:
                    geclicked = True
                elif righting == 1 and pb_rechts.value() == 1:
                    geclicked = True
            sleep(0.3)
        
        # reset bal
        if righting == 1:
            righting = 0
        else:
            righting = 1
        for led in leds:
            led.off()

        # check voor niet optijd geclicked
        if not geclicked:
            righting = -1
            for i in range(5):
                for led in leds:
                    led.on()
                sleep(0.5)
                for led in leds:
                    led.off()
                sleep(0.5)
        geclicked = False # reset click variable