extends Control

var z_index = 0

var character_data = {
	"name":"Default", 
	"image":"res://addons/dialogic/Example Assets/portraits/df-3.png", 
	"color":Color(0.973511, 1, 0.152344), 
	"file":"", 
	"mirror_portraits":false
}

var single_portrait_mode = false
var dim_time = 0.5
var direction = "left"
var debug = false
var fading_out = false
var custom_instance:Node2D = null

var current_state: = {"character":"", "portrait":"", "position":"", "mirrored":false}

signal animation_finished

func init(expression:String = "")->void :
	set_portrait(expression)


func _ready():
	if debug:
		print("Character data loaded: ", character_data)
		print(rect_position, $TextureRect.rect_size)
	
	$AnimationTween.connect("finished_animation", self, "emit_signal", ["animation_finished"])


func set_portrait(expression:String)->void :
	if expression == "(Don't change)":
		return 

	if expression == "":
		expression = "Default"
	
	current_state["portrait"] = expression
	
	
	for n in get_children():
		if "DialogicCustomPortraitScene" in n.name:
			n.queue_free()
			
	custom_instance = null
	
	var default
	for p in character_data["portraits"]:
		if p["name"] == expression:
			if is_scene(p["path"]):
				
				var custom_node = load(p["path"])
				custom_instance = custom_node.instance()
				custom_instance.name = "DialogicCustomPortraitScene"
				add_child(custom_instance)
				
				$TextureRect.texture = ImageTexture.new()
				return 
			else :
				
				if ResourceLoader.exists(p["path"]):
					$TextureRect.texture = load(p["path"])
					
					
				else :
					$TextureRect.texture = ImageTexture.new()
				return 
		
		
		if p["name"] == "Default":
			default = p["path"]
	
	
	
	if is_scene(default):
		push_warning("[Dialogic] Portrait missing: \"" + expression + "\". Maybe you deleted it? Update your timeline.")
		
		var custom_node = load(default)
		custom_instance = custom_node.instance()
		custom_instance.name = "DialogicCustomPortraitScene"
		add_child(custom_instance)
		
		$TextureRect.texture = ImageTexture.new()
		return 
	else :
		
		if ResourceLoader.exists(default):
			$TextureRect.texture = load(default)
		else :
			$TextureRect.texture = ImageTexture.new()
		return 



func set_mirror(value):
	current_state["mirrored"] = value
	if character_data["data"].has("mirror_portraits"):
		if character_data["data"]["mirror_portraits"]:
			if custom_instance != null:
				custom_instance.scale.x *= get_mirror_scale(custom_instance.scale.x, not value)
			else :
				$TextureRect.flip_h = not value
		else :
			if custom_instance != null:
				custom_instance.scale.x *= get_mirror_scale(custom_instance.scale.x, value)
			else :
				$TextureRect.flip_h = value
	else :
		if custom_instance != null:
			custom_instance.scale.x *= get_mirror_scale(custom_instance.scale.x, value)
		else :
			$TextureRect.flip_h = value


func move_to_position(position_offset):
	var windowHeight = OS.get_window_size().y;
	
	var portraitScale = 1080.0 / 5906.0;
	var positions = {
		"left":Vector2( - 3200 * portraitScale, 0), 
		"right":Vector2( + 3200 * portraitScale, 0), 
		"center":Vector2(0, 0), 
		"center_right":Vector2(1500 * portraitScale, - 700 * portraitScale), 
		"center_left":Vector2( - 1500 * portraitScale, - 700 * portraitScale)}
	if (position_offset == "center_left" or position_offset == "center_right"):
		portraitScale *= 0.9;
	direction = position_offset
	rect_position = positions[position_offset]
	
	
	var custom_scale = Vector2(1, 1)
	if character_data.has("data"):

		if character_data["data"].has("scale"):

			var scaleMagnifier = float(character_data["data"]["scale"]) / 100;
			custom_scale = Vector2(portraitScale * scaleMagnifier, portraitScale * scaleMagnifier)
			
			
			
			
			
			
			
			rect_scale = custom_scale
		if character_data["data"].has("offset_x"):
			rect_position += Vector2(
				character_data["data"]["offset_x"] * portraitScale, 
				character_data["data"]["offset_y"] * portraitScale
			)
	
	var textureTemp = $TextureRect.get("texture");
	
	if textureTemp:
		rect_position -= Vector2(
			$TextureRect.texture.get_width() * 0.5, 
			$TextureRect.texture.get_height()
		) * custom_scale
	

func animate(animation_name = "[No Animation]", time = 1, loop = 1, delete = false):
	if animation_name == "[No Animation]":
		return 
	
	if "_in" in animation_name:
		if custom_instance != null:
			custom_instance.modulate.a = 0
		else :
			$TextureRect.modulate = Color(1, 1, 1, 0)
		
	
	$AnimationTween.loop = loop
	if custom_instance != null:
		$AnimationTween.play(custom_instance, animation_name, time)
	else :
		$AnimationTween.play($TextureRect, animation_name, time)
	
	if delete:
		if not $AnimationTween.is_connected("tween_all_completed", self, "queue_free"):
			$AnimationTween.connect("tween_all_completed", self, "queue_free")


func focus():
	if not fading_out:
		tween_modulate(modulate, Color(1, 1, 1, 1))


func focusout(dim_color = Color(0.5, 0.5, 0.5, 1.0)):
	if single_portrait_mode:
		dim_color.a = 0
	if not fading_out:
		tween_modulate(modulate, dim_color)


func tween_modulate(from_value, to_value):
	$ModulationTween.stop(self, "modulation")
	$ModulationTween.interpolate_property(
		self, "modulate", from_value, to_value, dim_time, 
		Tween.TRANS_LINEAR, Tween.EASE_IN_OUT
	)
	$ModulationTween.start()
	return $ModulationTween


func is_scene(path)->bool:
	if ".tscn" in path.to_lower():
		return true
	return false

func get_mirror_scale(current_scale:float, mirror_value:bool)->int:
	if mirror_value and current_scale > 0:
		return - 1
	else :
		return 1