@tool
@icon("res://textures/stickers/icon_sticker2.svg")
class_name Sticker extends Area2D
## Handle all the sticker-relative gameplay.
##
## Sticker node expect to be a child of a Node2D, who serve as a root for
## all the fonctionnalities. You need to assign nodes for the stickerdetection
## and for the sprites.

@export_group("Nodes")
## The look of the object. If it's multiple sprites, they should be under one main sprite
@export var WorldSprite:Sprite2D
## Optional - The look of the object when grabbed. If empty, OutlineMat will be applied to WorldSprite
@export var StickerSprite:Sprite2D 
@export_group("Material")
@export var OutlineMat:ShaderMaterial = preload("res://shaders/shaderMaterial_Outline.tres")
@export var Foiled:bool #TODO: Foil material and logic

var meta:PackedStringArray = ["sticker"]

func _init():
	collision_layer = 2
	collision_mask = 0
	set_meta("tags",meta)
	monitoring = false
	
func _enter_tree():
	set_meta("tags",meta)
	if (get_parent() is Sprite2D and WorldSprite == null):
		WorldSprite = get_parent()
	

func _ready():
	if (get_parent() == get_tree().root):
		printerr("stickers should always have a parent")
		breakpoint



func _process(delta):
	pass

## When the sticker is released
func on_released(CastResult:Array=[]):
	print(self," released")
	#TODO: Need a traceresult to know if it should stay in the stickerstate or be released in the world
	get_parent().top_level = false
	get_parent().reparent(MapManager.current_scene.get_child(0))
	disable_ChildNodes_collisions(false)
	update_ChildNodes_visibilty(true)
	

func on_click():
	print(self," clicked")

func redraw():
	if (StickerSprite != null):
		StickerSprite.queue_redraw()
	if (WorldSprite != null):
		WorldSprite.queue_redraw()
		
func on_hover():
	if (StickerSprite != null):
		WorldSprite.visible = false
		StickerSprite.visible = true
	elif (WorldSprite != null):
		WorldSprite.material = OutlineMat
	redraw()
	

func on_unhover():
	if (StickerSprite != null):
		StickerSprite.visible = false
	if (WorldSprite != null):
		WorldSprite.material = null
		WorldSprite.visible = true
	redraw()
	
func on_grab(_offset:Vector2=Vector2(0.0,0.0)):
	get_parent().top_level = true
	get_parent().reparent(get_tree().root)
	update_ChildNodes_visibilty(false)
	
func update_ChildNodes_visibilty(_visible:bool=true):
	for _childNode in get_parent().get_children():
		if(_childNode != WorldSprite):
			_childNode.visible = _visible
			
func disable_ChildNodes_collisions(_disable:bool=true):
	for _childNode in get_parent().get_children():
		_childNode.set_deferred("disabled",_disable)