from graphics import Canvas
from karel_asset import *
import random
from time import sleep
import asyncio


# Constants    
CANVAS_WIDTH = 400
CANVAS_HEIGHT = 400


async def flash_karel(canvas, delay:int=0):
    await asyncio.sleep(delay)
    karel = generate_random_karel(canvas)
    await asyncio.sleep(4)
    erase_asset(karel)


async def main():
    canvas = Canvas(CANVAS_WIDTH, CANVAS_HEIGHT,)
    
    while True:
        background = generate_random_background(canvas)
        sleep(0.5)

        # Multple simultanious jobs
        await asyncio.gather(
            flash_karel(canvas, 0),
            flash_karel(canvas, 1),
            flash_karel(canvas, 2),
            flash_karel(canvas, 3),
            flash_karel(canvas, 4),
            flash_karel(canvas, 5),
            flash_karel(canvas, 6),
            flash_karel(canvas, 7),
            flash_karel(canvas, 8),
            flash_karel(canvas, 9),
        )
        
        sleep(0.5)
        canvas.delete(background)
    
    return canvas


if __name__ == '__main__':
    #asyncio.run(main())
    #await main()