extends Node2D

signal action_selected(ID)

var next_ID = 1
var availabilityChecks = {}

var defaultOptionsAdded = false

var shortcuts = [KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6, KEY_7, KEY_8, KEY_9]
var action_ids

func _process(delta):
	var popupMenu:PopupMenu = $PopupMenu
	if popupMenu.visible:
		for i in range(popupMenu.item_count):
			var currentID = popupMenu.get_item_id(i)
			if currentID < shortcuts.size() and Input.is_action_just_pressed(str(currentID)):
				_on_popup_menu_id_pressed(currentID)
				if currentID == popupMenu.item_count:
					popupMenu.hide()
				break

func appear():
	var popupMenu:PopupMenu = $PopupMenu
	popupMenu.show()
	
	for i in range(popupMenu.item_count):
		var currentID = popupMenu.get_item_id(i)
		
		if currentID in availabilityChecks.keys():
			var result = availabilityChecks[currentID].call()
			popupMenu.set_item_disabled(i, !result)
	
	if !defaultOptionsAdded:
		defaultOptionsAdded = true
		add_action("Cancel")

func add_availability_check(ID, availabilityCheck):
	availabilityChecks[ID] = availabilityCheck

func add_action(actionName):
	$PopupMenu.add_item(actionName, next_ID)
	
	var last_ID = next_ID
	next_ID += 1
	
	return last_ID

func _on_popup_menu_id_pressed(id):
	action_selected.emit(id)