class_name FullInventoryMenu extends Panel

@export var itemLine:PackedScene = null;
@export var itemList:Control = null;
var inventory:Inventory = null;

func _ready() -> void:
	hide()

	_updateItemList()

func _exit_tree() -> void:
	pass

func open(inventory:Inventory = null) -> void:
	if self.inventory != null:
		self.inventory.inventoryUpdated.disconnect(_updateItemList)

	if inventory == null:
		inventory = ITEM.PLAYER_INVENTORY;
	
	self.inventory = inventory;
	self.inventory.inventoryUpdated.connect(_updateItemList)
	_updateItemList()
	self.show()

func close() -> void:
	self.hide()

func isOpen() -> bool:
	return self.visible

func _updateItemList() -> void:
	if inventory == null:
		return

	# Clear item list
	while itemList.get_child_count() > 0:
		var child = itemList.get_child(0)
		itemList.remove_child(child)
		child.queue_free()

	for stack in inventory.contents:
		var node = itemLine.instantiate()
		node.setStack(stack)
		itemList.add_child(node)