'''
Mission 5 - Remix 2B extension uses a while loop
This remix acts as a bicycle signal.
Depending on the button pressed, 
a signal blinks, displays an
image on the screen and plays a sound.
Two variables should be used
'''
from codex import *
from time import sleep

delay = 1

# Introduction
display.print("Press L or R ")
display.print("for a signal")

while True:

    if buttons.was_pressed(BTN_L):
        display.show(pics.ARROW_W)
        color = GREEN
        pixels.set(0, color)
        pixels.set(1, color)
        audio.mp3("sounds/left")
        sleep(delay)

        color = BLACK
        pixels.set(0, color)
        pixels.set(1, color)
        sleep(delay)

        color = GREEN
        pixels.set(0, color)
        pixels.set(1, color)
        audio.mp3("sounds/left")
        sleep(delay)

        color = BLACK
        pixels.set(0, color)
        pixels.set(1, color)
        sleep(delay)

    if buttons.was_pressed(BTN_R):
        display.show(pics.ARROW_E)
        color = BLUE
        pixels.set(2, color)
        pixels.set(3, color)
        audio.mp3("sounds/right")
        sleep(delay)

        color = BLACK
        pixels.set(2, color)
        pixels.set(3, color)
        sleep(delay)    

        color = BLUE
        pixels.set(2, color)
        pixels.set(3, color)
        audio.mp3("sounds/right")
        sleep(delay)

        color = BLACK
        pixels.set(2, color)
        pixels.set(3, color)
        sleep(delay)