from pygame.sprite import Sprite

from mamba.data import load_image
from mamba.constants import TILE_SIZE


def tile_sizify(pos):
    ts_x, ts_y = TILE_SIZE
    p_x, p_y = pos
    return (ts_x * p_x, ts_y * p_y)


class BaseSprite(Sprite):
    tileset = 'common'

    def __init__(self, tile_char=None, tileset=None, image_name=None):
        super(BaseSprite, self).__init__()
        self.tile_char = tile_char
        if tileset is not None:
            self.tileset = tileset
        if image_name is not None:
            self.image = self.load_image(image_name)

    def load_image(self, image_name, mutators=()):
        return load_image('tiles/%s/%s.png' % (self.tileset, image_name),
                          mutators)

    def set_tile_pos(self, tile_pos):
        self.tile_pos = tile_pos
        self.rect = self.image.get_rect().move(tile_sizify(tile_pos))


class TileSprite(BaseSprite):
    def __init__(self, tileset, **kw):
        kw['tileset'] = tileset
        super(TileSprite, self).__init__(**kw)


class SingleImageTileSprite(TileSprite):
    def __init__(self, **kw):
        kw.setdefault('image_name', self.image_name)
        super(SingleImageTileSprite, self).__init__(**kw)


class DoorSprite(TileSprite):
    def __init__(self, colour, **kw):
        self.colour = colour
        image_name = 'door_%s' % (colour,)
        kw.setdefault('image_name', image_name)
        super(DoorSprite, self).__init__(**kw)


class EntrySprite(SingleImageTileSprite):
    image_name = 'entrance-1'

    def __init__(self, direction, **kw):
        self.direction = direction
        super(EntrySprite, self).__init__(**kw)


class ExitSprite(SingleImageTileSprite):
    image_name = 'exit-1'


class PuddleSprite(SingleImageTileSprite):
    image_name = 'puddle'