import pygame
from sprites.cell import Cell

class Garbage_collector(Cell):
	def __init__(self, x,y):
		Cell.__init__(self,x,y)
		self.image = pygame.image.load("images/garbage_collector.png")
		self.move_options = {
			"up": lambda forbidden: ('y', self.y - 1) if (self.x, self.y - 1) not in forbidden else ('y', self.y),
			"down": lambda forbidden: ('y', self.y + 1) if (self.x, self.y + 1) not in forbidden else ('y', self.y), 
			"left": lambda forbidden: ('x', self.x - 1) if (self.x - 1, self.y) not in forbidden else ('x', self.x),  
			"right": lambda forbidden: ('x', self.x + 1) if (self.x + 1, self.y) not in forbidden else ('x', self.x)  
		}
		
	def move(self, direction, forbidden):
		(destination, value) = self.move_options[direction](forbidden)
		if( destination is 'x'):
			self.x = value
		elif( destination is 'y'):
			self.y = value
			
		self.update()