import os
import pygame

from display import Scaling

DEBUG = os.getenv("DEBUG")

class Images:
    surfaces = {}

    @staticmethod
    def reload_images(base_path):
        __class__.surfaces = {}
        filename_imagelist = os.path.join(base_path, "assets", "images.lst")
        with open( filename_imagelist ) as imagelist_file:
            for line in imagelist_file:
                name, *path = line.strip().split()
                filename = os.path.join(base_path, *path)
                if DEBUG:
                    print(f"Loading images {name = }, {filename = }")
                image = pygame.image.load(filename)
                rgba = pygame.Surface.convert_alpha(image)
                scaled = pygame.transform.smoothscale_by(rgba, Scaling.factor)
                __class__.surfaces[name] = scaled
        return True

    @staticmethod
    def load_images(base_path):
        if __class__.surfaces:
            return False
        return __class__.reload_images(base_path)