import time
from machine import Pin
time.sleep(0.1) # Wait for USB to become ready

BTN1_PIN = 28
BTN2_PIN = 21
BTN3_PIN = 16

BLUE_PIN = 1
GREEN_PIN = 2
RED_PIN = 0

DEBOUNCE_MS = 50

button_1 = Pin(BTN1_PIN, Pin.IN, Pin.PULL_UP)
button_2 = Pin(BTN2_PIN, Pin.IN, Pin.PULL_UP)
button_3 = Pin(BTN3_PIN, Pin.IN, Pin.PULL_UP)

blue = Pin(BLUE_PIN, Pin.OUT)
green = Pin(GREEN_PIN, Pin.OUT)
red = Pin(RED_PIN, Pin.OUT)

buttons = [button_1, button_2, button_3]

#===== code below ============

# button_1 varaible is the red button
# button_2 varaible is the green button
# button_3 varaible is the blue button
# led is the red led

# sets the colour of the rgb led
def set_colour_pins(r, g, b):
    red.value(r)
    green.value(g)
    blue.value(b)

inputs = []

# collect inputs until five are stored in the list
while True:
    if button_1.value() == 0:
        inputs.append("red")
    elif button_2.value() == 0:
        inputs.append("green")
    elif button_3.value() == 0:
        inputs.append("blue")

    if len(inputs) >= 5:
        break
    
    print(inputs)
    time.sleep(0.2)

print(inputs)

# iterate through the inputs list and set the led colour
for colour in inputs:
    if colour == "red":
        set_colour_pins(1, 0, 0)
    elif colour == "green":
        set_colour_pins(0, 1, 0)
    elif colour == "blue":
        set_colour_pins(0, 0, 1)

    time.sleep(1)

set_colour_pins(0, 0, 0)