extends Spatial

export var start_with_item : String = ""

var item_in_hold

# Called when the node enters the scene tree for the first time.
func _ready():
	if start_with_item != "":
		var item_instance = preload("res://scenes/item.tscn").instance()
		item_instance.item_name = start_with_item
		add_item(item_instance)

func remove_item():
	assert(item_in_hold != null)
	var removed_item = item_in_hold
	$ItemSpawn.remove_child(item_in_hold)
	item_in_hold = null
	return removed_item
	
func add_item(item):
	assert(item_in_hold == null)
	$ItemSpawn.add_child(item)
	item_in_hold = item

func on_player_interact(player) -> bool:
	var player_item = player.get_item_in_hand()
	if item_in_hold == null:
		if player_item == null:
			return false
		add_item(player_item)
	else:
		var item_pickup = remove_item()
		player.pick_up_item(item_pickup)
		$AudioStreamPlayer.play()
		if player_item != null:
			add_item(player_item)
	return true