extends Polygon2D
class_name Arrow

@onready var inner := $Inner
@onready var player := $AnimationPlayer

@export_color_no_alpha var normal_color: Color = Color.WHITE
@export_color_no_alpha var done_color: Color = Color.KHAKI

var dir: Global.DIRS = Global.DIRS.RIGHT :
	get:
		return dir
	set(v):
		match v:
			Global.DIRS.LEFT: rotation = PI
			Global.DIRS.RIGHT: rotation = 0
			Global.DIRS.UP: rotation = 3*PI/2
			Global.DIRS.DOWN: rotation = PI/2
		dir = v

var state: Global.ARROW_STATE = Global.ARROW_STATE.NORMAL :
	get:
		return state
	set(v):
		match v:
			Global.ARROW_STATE.NORMAL:
				if state == Global.ARROW_STATE.DONE:
					player.play('done-error')
				else:
					inner.color = normal_color
			Global.ARROW_STATE.DONE: inner.color = done_color
			Global.ARROW_STATE.ERROR: player.play('error')
		state = v