class_name InventorySlotUi extends Button

var slot_data: SlotData :
	set = set_slot_data

@onready var texture_rect: TextureRect = $TextureRect
@onready var label: Label = $Label

func _ready() -> void:
	texture_rect.texture = null
	label.text = ""
	focus_entered.connect(on_item_focus)
	focus_exited.connect(on_item_unfocus)
	pressed.connect(item_pressed)

func set_slot_data(value: SlotData) -> void:
	slot_data = value
	if slot_data == null:
		return
	texture_rect.texture = slot_data.item_data.texture
	label.text = str(slot_data.quantity)

func on_item_focus() -> void:
	if slot_data == null or slot_data.item_data == null:
		return
	PauseMenu.update_item_description(slot_data.item_data.description)

func on_item_unfocus() -> void:
	PauseMenu.update_item_description("")
	pass

func item_pressed() -> void:
	if !slot_data or !slot_data.item_data:
		return
	if !slot_data.item_data.use():
		return
	slot_data.quantity -= 1
	label.text = str(slot_data.quantity)