extends Node2D

var difficulty:String
var isChapterZooming
var chapter:String
onready var zoomTime = 3.2
var endPosition:String



func _ready():
	get_node("/root/BgmScene").StopMenuMusic()
	get_node("/root/BgmScene").SetBGM("City SFX")
	GallerySingleton.AddMusic("BigCity");
	
	GallerySingleton.AddBackground("ChapterSelector");
	
	Localization();
	
	if not SceneLoader.is_connected("on_scene_loaded", self, "OpenAnotherScene"):
		var _temp = SceneLoader.connect("on_scene_loaded", self, "OpenAnotherScene")
	
	isChapterZooming = true;
	SetCamera("full")
	yield ($Camera2D / Tween, "tween_all_completed")
	
	isChapterZooming = false;

func Localization():
	$text / Journey.text = tr("ui_adventure")
	$text / buttons / Yes.text = tr("ui_yes");
	$text / buttons / No.text = tr("ui_no");
	
	
	$ChapterLabels / SelectChapter.text = tr("ui_select_chapter").to_upper();
	$ChapterLabels / chapter1.text = str(tr("ui_chapter"), " 1");

func SetCamera(camPos:String):
	var finalPos = Vector2(960, 540);
	var finalZoom = Vector2(1, 1);
	endPosition = camPos
	match camPos:
		"full":
			pass
		"brown":
			finalPos = Vector2(1726, 461);
			finalZoom = Vector2(0.2, 0.2);
		"green":
			finalPos = Vector2(1102, 590);
			finalZoom = Vector2(0.2, 0.2);
	var camera = $Camera2D

	var startPos = camera.position
	var startZoom = camera.zoom
	
	$Camera2D.position = startPos;
	$Camera2D.zoom = startZoom;
	
	$Camera2D / Tween.interpolate_method(self, "ChangePosition", startPos, finalPos, zoomTime, Tween.TRANS_LINEAR, 0);
	$Camera2D / Tween.interpolate_method(self, "ChangeZoom", startZoom, finalZoom, zoomTime, Tween.TRANS_LINEAR, 0);
	
	$Camera2D / Tween.start();
	
	
func SetCameraToFinalPos(camPos:String):
	var finalPos = Vector2(960, 540);
	var finalZoom = Vector2(1, 1);
	match camPos:
		"full":
			pass
		"brown":
			finalPos = Vector2(1726, 461);
			finalZoom = Vector2(0.2, 0.2);
		"green":
			finalPos = Vector2(1102, 590);
			finalZoom = Vector2(0.2, 0.2);
	$Camera2D.position = finalPos;
	$Camera2D.zoom = finalZoom;

func ChangePosition(newPosition):
	$Camera2D.position = newPosition

func ChangeZoom(newZoom):
	$Camera2D.zoom = newZoom
	


func _on_brown_pressed():
	isChapterZooming = true
	$text.rect_position = Vector2(1534.5, 400)
	$text.rect_scale = Vector2(0.25, 0.25)
	chapter = "Brown"
	SetCamera("brown")
	yield ($Camera2D / Tween, "tween_all_completed")
	$ChapterLabels.visible = false;
	isChapterZooming = false
	$text.visible = true

func _on_green_pressed():
	isChapterZooming = true
	$text.rect_position = Vector2(910.5, 529)
	$text.rect_scale = Vector2(0.25, 0.25)
	chapter = "Green"
	SetCamera("green")
	yield ($Camera2D / Tween, "tween_all_completed")
	$ChapterLabels.visible = false;
	isChapterZooming = false
	$text.visible = true

func _on_Yes_pressed():
	$text / buttons.visible = false;
	get_tree().root.get_node("Loading").ShowLoader();
	SceneLoader.free_scene_cache("Game");
	LoadScene("res://scenes/Game.tscn");


func _on_No_pressed():
	$text.visible = false
	$ChapterLabels.visible = true;
	isChapterZooming = true
	SetCamera("full")
	yield ($Camera2D / Tween, "tween_all_completed")
	isChapterZooming = false

func MenuLoaded(obj):
	if obj.path != "res://scenes/MainMenu.tscn":
		return ;
	
	if obj.instance != null:
		get_tree().root.add_child(obj.instance);
		
		for i in get_tree().root.get_children():
			if i.name == "ChapterSelector":
				get_tree().root.remove_child(i);
				break;
	
	SceneLoader.disconnect("on_scene_loaded", self, "MenuLoaded");

func _input(ev):
	if ev is InputEventKey and ev.scancode == KEY_ESCAPE and not ev.pressed:
		if isChapterZooming:
			$Camera2D / Tween.remove_all();
			SetCameraToFinalPos(endPosition);
			$Camera2D / Tween.emit_signal("tween_all_completed")
		elif $Camera2D.position == Vector2(960, 540):
			get_node("/root/BgmScene").SetBGM("99");
			get_tree().root.get_node("BgmScene").StartMenuMusic();
			if not SceneLoader.is_connected("on_scene_loaded", self, "MenuLoaded"):
				var _temp = SceneLoader.connect("on_scene_loaded", self, "MenuLoaded");
			SceneLoader.load_scene("res://scenes/MainMenu.tscn")
	if ev is InputEventKey and ev.scancode == KEY_SPACE:
		if isChapterZooming:
			$Camera2D / Tween.remove_all();
			SetCameraToFinalPos(endPosition)
			$Camera2D / Tween.emit_signal("tween_all_completed")
	if ev is InputEventMouseButton and ev.button_index == BUTTON_LEFT and not ev.pressed:
		if isChapterZooming:
			$Camera2D / Tween.remove_all();
			SetCameraToFinalPos(endPosition)
			$Camera2D / Tween.emit_signal("tween_all_completed")

var loadingPath:String = "";
func LoadScene(path):
	SceneLoader.load_scene(path);
	loadingPath = path;

func OpenAnotherScene(obj):
	if obj.path == loadingPath:
		get_tree().root.add_child(obj.instance);
		CloseMenu();

func CloseMenu():
	for i in get_tree().root.get_children():
		if i.name == "ChapterSelector":
			get_tree().root.remove_child(i);
			break;
	
	SceneLoader.disconnect("on_scene_loaded", self, "OpenAnotherScene");

func InitForGallery()->Array:
	$Camera2D.current = false


	scale = Vector2(0.5, 0.5);
	$ChapterLabels.visible = false;
	$brown.visible = false;
	return [];


func _on_chapter1_pressed():
	_on_brown_pressed()