class Player:
	name = "player"
	character = 'S'
	
	def __init__(self, board_size):
		board_width, board_height = board_size
		start_x = board_width // 2
		start_y = board_height // 2

		self.position = (start_x, start_y)
		self.body = [self.position]
		self.direction = (1, 0)
          
		def handle_keystroke(self, keystroke, game):
            x, y = self.body[0]

			if keystroke.name in ("KEY_LEFT", "KEY_RIGHT", "KEY_UP", "KEY_DOWN"):
				if keystroke.name == "KEY_LEFT":
					self.direction = (-1, 0)
				elif keystroke.name == "KEY_RIGHT":
					self.direction = (1, 0)
				elif keystroke.name == "KEY_UP":
					self.direction = (0, -1)
				elif keystroke.name == "KEY_DOWN":
					self.direction = (0, 1)

				dx, dy = self.direction
				new_head = (x + dx, y + dy)

				if not game.on_board(new_head):
					game.end()
					return

				if new_head in self.body:
					game.end()
					return

				food = None
				for actor in game.actors:
					if getattr(actor, "name", None) == "food":
						food = actor
						break

				if food is not None and new_head == food.position:
					
					self.body.insert(0, new_head)
				
					if hasattr(food, "respawn"):
						food.respawn()
				else:
					
					self.body.insert(0, new_head)
					self.body.pop()

		
				self.position = self.body[0]