import pygame

# window properties
WIN_WIDTH = 800
WIN_HEIGHT = 600
WIN_ICON = "img/tetris_icon.png"
WIN_TITLE = "Tetris"
WIN_BG_COLOR = (100, 149, 237) # cornflower blue, RGB

# engine properties
FPS = 60

def draw(screen):
    # draw window bg
    screen.fill(WIN_BG_COLOR)

    pygame.display.update()

def main():
    pygame.init()

    screen = pygame.display.set_mode((WIN_WIDTH, WIN_HEIGHT))
    clock = pygame.time.Clock()
    loaded_icon = pygame.image.load(WIN_ICON)

    pygame.display.set_caption(WIN_TITLE)
    pygame.display.set_icon(loaded_icon)

    is_running = True
    while is_running:
        clock.tick(FPS)

        for event in pygame.event.get():

            if event.type == pygame.QUIT:
                is_running = False
        
        draw(screen)

    pygame.quit()

# start main function
main()