'''
Mission 7 - Personal Billboard
Extra Spicy Remix
This remix uses three lists - two for A and B, and another for
the color, which is used for the pixels. One variable for the 
index (choice) is used throughout. It also includes the button 
to break the loop and end the program
'''

from codex import *
from time import sleep

choice = 0
my_pictures = [pics.HEART, pics.PLANE, pics.TSHIRT, pics.TIARA,
              pics.HOUSE, pics.TARGET, pics.ASLEEP, pics.HAPPY]
my_otherlist = [GREEN, "Happy Day", RED, "Be awesome!", YELLOW,
              "Live life", BLUE, "I'll be back", PURPLE]
my_colors = [ORANGE, BROWN, CYAN, MAGENTA, DARK_GREEN, WHITE, 
            PINK, DARK_BLUE]
LAST_INDEX = len(my_pictures) - 1
my_list = my_pictures

# MAIN PROGRAM
while True:
    my_item = my_list[choice]
    color = my_colors[choice]
    if type(my_item) == tuple:
        display.fill(my_item)
    else:
        display.show(my_item)
    pixels.set(0, color)
    pixels.set(1, color)
    pixels.set(2, color)
    pixels.set(3, color)

    # select list to display
    if buttons.was_pressed(BTN_A):
        my_list = my_pictures
    
    if buttons.was_pressed(BTN_B):
        my_list = my_otherlist

    # scroll forward and backward
    if buttons.was_pressed(BTN_L):
        choice = choice - 1
        if choice < 0:
            choice = LAST_INDEX

    if buttons.was_pressed(BTN_R):
        choice = choice + 1
        if choice > LAST_INDEX:
            choice = 0
   
    # break out of the loop
    if buttons.was_pressed(BTN_D):
        break