extends Node2D

const zoomStart = 1.0
const zoomEnd = 0.97
const bloodStart = 0.2
const bloodEnd = 0.9
const timeParam = 1.7

var isDead
var bloodIncrement
var zoomIncrement
var currentZoom
var currentEnergy
var isIncreasing
var screenWidth;
var screenHeight;
var xOffset;
var yOffset

func _ready():
	if not get_tree().root.has_node("Root"):
		return ;
	
	InitWater();
	
	if Dialogic.get_variable("ItIsDay") == "true":
		$Day.visible = true;
		$Night.visible = false;
		
		get_tree().root.get_node("Root").StopSFX();
		
		GallerySingleton.AddBackground("Scene7");
	else :
		$Day.visible = false;
		$Night.visible = true;
		
		var sfxPath = "res://resources/audio/sfx/Rain Loop.ogg"
		get_tree().root.get_node("Root").SetSFXforBGM(sfxPath)
		
		var player = get_tree().root.get_node("/root/BgmScene/TweenBGMsfx/BGMStreamPlayer");
		$Lightning.Init(2, player);
		
		GallerySingleton.AddBackground("Scene7_n");
	
	isDead = false
	
	var dialogicNode = get_parent().get_parent().get_node("Game").get_child(0).get_child(0)
	dialogicNode.connect("dialogic_signal", self, "_begin_death")
	bloodIncrement = (bloodEnd - bloodStart) / timeParam;
	zoomIncrement = (zoomEnd - zoomStart) / timeParam;
	currentZoom = zoomStart
	isIncreasing = true
	currentEnergy = 0
	screenWidth = SettingsSingleton.GetCurrectScreenResolutionVector2().x
	screenHeight = SettingsSingleton.GetCurrectScreenResolutionVector2().y
	
func _process(delta):
	if (isDead):
		if (isIncreasing):
			if (currentEnergy <= bloodEnd):
				
				currentEnergy += bloodIncrement * delta
				currentZoom += zoomIncrement * delta
				$death / Light2D.self_modulate.a = currentEnergy
				xOffset = (1 - currentZoom) * ($death / Polygon2D.get_global_transform_with_canvas().origin.x) / (screenWidth);
				print(xOffset)
				yOffset = (1 - currentZoom) * (screenHeight - $death / Polygon2D.get_global_transform_with_canvas().origin.y) / screenHeight;
				var offset = Vector2(xOffset, yOffset);
				var tiling = Vector2(currentZoom, currentZoom)
				$death / Polygon2D.material.set_shader_param("offset", offset)
				$death / Polygon2D.material.set_shader_param("tiling", tiling);
			else :
				isIncreasing = false
		if ( not isIncreasing):
			if (currentEnergy >= bloodStart):
				
				currentEnergy -= bloodIncrement * delta
				currentZoom -= zoomIncrement * delta
				$death / Light2D.self_modulate.a = currentEnergy
				xOffset = (1 - currentZoom) * ($death / Polygon2D.get_global_transform_with_canvas().origin.x) / (screenWidth);
				yOffset = (1 - currentZoom) * (screenHeight - $death / Polygon2D.get_global_transform_with_canvas().origin.y) / screenHeight;
				var offset = Vector2(xOffset, yOffset);
				$death / Polygon2D.material.set_shader_param("offset", offset)
				$death / Polygon2D.material.set_shader_param("tiling", Vector2(currentZoom, currentZoom));
			else :
				isIncreasing = true
	else :pass
func _begin_death(string):
	match string:
		"death":
			$death.visible = true;
			var tween = $death.get_child(0).get_child(0)
			var light = $death.get_child(0)
			tween.interpolate_method(self, "bloodInterpolate", 0.0, bloodStart, 1.0, Tween.TRANS_LINEAR, 0);
			tween.start()
			yield ($death.get_child(0).get_child(0), "tween_all_completed")
			currentEnergy = bloodStart
			$death.get_child(0).self_modulate.a = bloodStart
			isDead = true;

func bloodInterpolate(value):
	$death / Light2D.self_modulate.a = value;

func InitWater():
	var _temp = SceneLoader.connect("on_scene_loaded", self, "WaterLoaded");
	if Dialogic.get_variable("ItIsDay") == "true":
		SceneLoader.load_scene("res://resources/customControls/Water/Scene7/WaterDay.tscn");
	else :
		SceneLoader.load_scene("res://resources/customControls/Water/Scene7/WaterNight.tscn");

func WaterLoaded(obj):
	if obj.path != "res://resources/customControls/Water/Scene7/WaterDay.tscn" and obj.path != "res://resources/customControls/Water/Scene7/WaterNight.tscn":
		return ;
	
	if Dialogic.get_variable("ItIsDay") == "true":
		$Day.add_child(obj.instance);
		obj.instance.z_index = 1;
	else :
		$Night.add_child(obj.instance);
		obj.instance.z_index = 3;
	
	obj.instance.play("default");
	
	SceneLoader.disconnect("on_scene_loaded", self, "WaterLoaded");

var galleryWaterState = ""
var thread:Thread;

func InitForGallery()->Array:
	scale = Vector2(0.5, 0.5)
	
	z_index = - 1;
	
	InitGalleryWater("day");
	
	if not GallerySingleton.HaveBackground("Scene7_n"):
		return [];
	
	return ["ui_day", "ui_night"]

func SetSettings(setting):
	if setting == tr("ui_day"):
		$Day.visible = true;
		$Night.visible = false;
		InitGalleryWater("day");
	else :
		$Day.visible = false;
		$Night.visible = true;
		InitGalleryWater("night");

func InitGalleryWater(state):
	galleryWaterState = state;
	
	if galleryWaterState == "day":
		if $Day.has_node("Water"):
			return ;
	else :
		if $Night.has_node("Water"):
			return ;
	
	if thread == null:
		thread = Thread.new();
	
	thread.start(self, "GalleryWater", galleryWaterState);

func GalleryWater(state):
	if state == "day":
		var instance = load("res://resources/customControls/Water/Scene7/WaterDay.tscn").instance()
		call_deferred("GalleryAddWater");
		return instance;
	else :
		print("aa")
		var instance = load("res://resources/customControls/Water/Scene7/WaterNight.tscn").instance()
		call_deferred("GalleryAddWater");
		return instance;

func GalleryAddWater():
	var instance = thread.wait_to_finish();
	if galleryWaterState == "day":
		$Day.add_child(instance);
		instance.z_index = 1;
		instance.play("default");
	else :
		$Night.add_child(instance);
		instance.z_index = 3;
		instance.play("default");