extends Node2D

var main_menu_path:String = "res://Scenes/main_menu.tscn"
var game_scene_path:String = "res://Scenes/game_scene.tscn"

@export var levelcontainer: Node
@export var ui: MainUI

var level_path:String = ""

func _ready() -> void:
	$levelcontainer/MainMenu.request_level_change.connect(start_loading)
func start_loading(key:String):
	if key == "Game":
		ResourceLoader.load_threaded_request(game_scene_path)
		level_path = game_scene_path
		if !is_processing():
			set_process(true)
	
	elif key == "MainMenu":
		ResourceLoader.load_threaded_request(main_menu_path)
		level_path = main_menu_path
		if !is_processing():
			set_process(true)
	else:
		level_path = ""
		
func _process(_delta):
	if level_path != "":

		var progress = []
		var status = ResourceLoader.load_threaded_get_status(level_path, progress)
		
		if status == ResourceLoader.THREAD_LOAD_IN_PROGRESS: #THREADED_LOAD_IN_PROGRESS:
			print("Lädt: ", progress[0] * 100, "%")
		
		elif status == ResourceLoader.THREAD_LOAD_LOADED:
			# Fertig! Jetzt können wir das Level austauschen
			set_process(false) # Stop das Prüfen
			change_level()
			
func change_level():
	var new_level_resource = ResourceLoader.load_threaded_get(level_path)
	var new_level = new_level_resource.instantiate()

	if UiManager.game_guide.is_active:
		UiManager.mainUI.hide_game_guide()
	
	levelcontainer.add_child(new_level)
	levelcontainer.get_child(0).queue_free()
	
	if new_level.has_signal("request_level_change"):
		print("verbinde das siganl")
		new_level.request_level_change.connect(start_loading)
		new_level = ""
		
func _on_game_guide_button_active() -> void:
	start_loading("Game")