from itertools import product

from pygame import Surface, Rect, image

from engine.entity import Entity
from engine.resources import res
from engine.servers.graphics import GraphicsServer
from engine.components.collide_rect import CollideRect
from engine.components.sprite import Sprite

from .common import S
from .pacdot import PacDot


class Level(Entity):
    def __init__(self, path):
        super().__init__('level')
        self.path = path

    def load(self):
        desc = image.load(res(self.path))
        w, h = desc.get_size()
        GraphicsServer().resize((w * S, h * S))
        self.surf = Surface((w * S, h * S)).convert()
        self.surf.fill((0, 0, 0))
        wall = Surface((S, S)).convert()
        wall.fill((0, 0, 255))
        for x, y in product(range(w), range(h)):
            col = desc.get_at((x, y))
            if col == (0, 0, 255):
                self.add(CollideRect(Rect(x * S, y * S, S, S)))
                self.surf.blit(wall, (x * S, y * S))
            elif col == (139, 139, 139):
                pc = PacDot()
                pc.x = x * S
                pc.y = y * S
                self.scene.add(pc)
                PacDot.tot += 1
        self.add(Sprite(self.surf, 0))