import pygame


class InputManager:
    QUIT = 0

    def process_input(self) -> int:
        last_input = None

        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                last_input = InputManager.QUIT
            elif event.type == pygame.KEYDOWN:
                if event.key == pygame.K_ESCAPE:
                    last_input = InputManager.QUIT
        
        return last_input