import sys
import pygame

class Colors():
    BLACK = 0, 0, 0
    WHITE = 255, 255, 255
    RED = 255, 0, 0
    GREEN = 0, 255, 0

DEFAULT_COLOR = Colors.WHITE

def default_color(func):  
    def wrap(*args, **kwargs):
        if 'color' not in kwargs:
            kwargs['color'] = DEFAULT_COLOR            
        result = func(*args, **kwargs)
        return result
    return wrap

class GridDraw():
    def __init__(
        self,
        width = None,
        height = None,
        tiles_x = None,
        tiles_y = None,
        background = None
    ):
        self.width = width if width != None else 100
        self.height = height if height != None else 100

        self.tiles_x = tiles_x if tiles_x != None else 10
        self.tiles_y = tiles_y if tiles_y != None else 10

        self.tile_width = self.width / self.tiles_x
        self.tile_height = self.height / self.tiles_y

        self.background = background if background != None else Colors.BLACK

        self.sprites = {
            'VACUUM': pygame.transform.scale(pygame.image.load('media/sprites/robot_vacuum.png'), (self.tile_width, self.tile_height)),
            'WALL': pygame.transform.scale(pygame.image.load('media/sprites/wall.png'), (self.tile_width, self.tile_height)),
        }
        
        pygame.init()
        self.screen = pygame.display.set_mode((self.width, self.height))

    def start_draw(self):
        self.screen.fill(Colors.BLACK)

    def end_draw(self, delay = None):
        pygame.display.flip()
        delay = delay if delay != None else 10
        pygame.time.delay(delay)

    @default_color
    def line(self, x_1, y_1, x_2, y_2, color = None):
        pygame.draw.line(self.screen, color, (x_1, y_1), (x_2, y_2))
    
    @default_color
    def board(self, tiles_x = None, tiles_y = None, color = None):
        tiles_x = tiles_x if tiles_x != None else self.tiles_x
        tiles_y = tiles_y if tiles_y != None else self.tiles_y

        tiles_width = self.width / tiles_x
        tiles_height = self.height / tiles_y

        for i in range(1, tiles_x):
            self.line(tiles_width * i, 0, tiles_width * i, self.height, color=color)

        for i in range(1, tiles_y):
            self.line(0, tiles_height * i, self.width, tiles_height * i, color=color)

    @default_color
    def circle(self, x, y, radius, color = None):
        pygame.draw.circle(self.screen, color, (x, y), radius)

    def draw_vacuum(self, tile_x, tile_y):
        self.screen.blit(
            self.sprites['VACUUM'],
            (tile_x * self.tile_width, tile_y * self.tile_height)
        )

    def draw_wall(self, tile_x, tile_y):
        self.screen.blit(
            self.sprites['WALL'],
            (tile_x * self.tile_width, tile_y * self.tile_height)
        )