from random import randint
from machine import Pin
from time import sleep

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

def alles_aan(leds):
    for led in leds:
        led.value(1)

def flikkeren(leds):
    for i in range (3):
        for led in leds:
            led.value(1)
        for led in leds:
            led.value(0)

led_rood = Pin(16,Pin.OUT)
led_groen= Pin(18,Pin.OUT)
led_geel = Pin(21,Pin.OUT)
knop_1= Pin(15,Pin.IN,Pin.PULL_DOWN)
knop_2= Pin(12,Pin.IN,Pin.PULL_DOWN)
knop_3= Pin(8,Pin.IN,Pin.PULL_DOWN)
levend = True
patroon= []
leds = []
leds.append(led_rood)
leds.append(led_groen)
leds.append(led_geel)

while True:
    while levend==True:
        patroon.append(randint(1,3))
        print(patroon)
        for i in patroon:
            if i==1:
                led_rood.value(1)
            if i==2:
                led_groen.value(1)
            if i==3:
                led_geel.value(1)
            sleep(0.75)
            alles_doven(leds)
            sleep(0.75)
        for i in range(len(patroon)):
            gok = 0
            while gok == 0:
                if knop_1.value()==1:
                    gok=1
                    led_rood.value(1)
                if knop_2.value()==1:
                    gok=2
                    led_groen.value(1)
                if knop_3.value()==1:
                    gok=3
                    led_geel.value(1)
                sleep(0.2)
                alles_doven(leds)
            if gok == patroon[i]:
                levend=True
                sleep(0.2)
            else:
                levend = False
                break       
        alles_aan(leds)
        sleep(0.5)
        alles_doven(leds)
        sleep(0.5)
    flikkeren(leds)