extends ColorRect

class_name Tile

enum States {
	EMPTY,
	SNAKE,
	APPLE
}

@export var state : States
# 0 means no snake at all, 1 means head and the biger, the further it is from the head
@export var snake_pos := 0
@export var tile_color : TileColors

@export var x : int
@export var y : int

func _init(_x : int, _y : int, _tile_colors : TileColors):
	state = States.EMPTY
	self.x = _x
	self.y = _y
	self.size_flags_horizontal += Control.SIZE_EXPAND
	self.size_flags_vertical += Control.SIZE_EXPAND
	self.tile_color = _tile_colors

func update_color():
	match state:
		States.EMPTY:
			self.color = tile_color.empty
		States.SNAKE:
			self.color = tile_color.snake_body if snake_pos > 1 else tile_color.snake_head
		States.APPLE:
			self.color = tile_color.apple
	pass

func _process(delta):
	update_color()
	pass