# @tool
class_name Portal2D extends Sprite2D

@export var enabled := true:
	set(val):
		enabled = val
		if is_node_ready():
			_check_sign_mark()
@export var immediately := true
@export_enum("left", "right", "1", "2", "3", "4", "5", "6", "7", "8", "9") var portal_name := "left":
	set(value):
		#if portal_name:
		#remove_from_group("portal_"+portal_name)
		portal_name = value
		#add_to_group("portal_"+value)
		name = "portal_" + value
@export var target_scene := "c02_s00"
@export_enum("none", "left", "right", "1", "2", "3", "4", "5", "6", "7", "8", "9")
var target_portal := "none":
	set(value):
		target_portal = value
		if is_node_ready():
			_check_sign_mark()
@export var default_texture: Texture2D
@export var opened_texture: Texture2D
@export var opened := false:
	set(new_val):
		opened = new_val
		if is_node_ready():
			_checkout_texture()

@onready var sfx = %Sfx as Sfx
@onready var sign_mark = %Sign as Sign
@onready var area2d = %Area2D as Area2D

var activated := false
var action_times := 0


# Called when the node enters the scene tree for the first time.
func _ready() -> void:
	name = "portal_" + portal_name
	_checkout_texture()
	_check_sign_mark()
	if Engine.is_editor_hint():
		return
	area2d.body_entered.connect(_reset)
	area2d.body_exited.connect(_on_cancel)
	sign_mark.interacted.connect(_on_interacted)
	sign_mark.cancel.connect(_on_cancel)
	# if GlobalConfig.DEBUG:
	# 	var label = Label.new()
	# 	label.text = portal_name
	# 	label.name = "Label"
	# 	add_child(label)

func _checkout_texture():
	if opened and opened_texture:
		texture = opened_texture
	else:
		texture = default_texture

func _check_sign_mark():
	if target_portal == "none" or not enabled:
		sign_mark.enabled = false
	else:
		sign_mark.enabled = true

func _on_interacted() -> void:
	if target_portal == "none":
		return
	# 传送，queue free 导致 sfx 无法播放，使用全局声源
	sfx.global_play()
	if GlobalConfig.DEBUG:
		print("传送前往", target_scene, target_portal, " immediately=", immediately)
	var ground_loader = SceneManager.get_ground_loader() as GroundLoader
	if ground_loader:
		ground_loader.transition_to_scene(target_scene, target_portal, immediately)


func _on_cancel(_body = null):
	activated = false


func _reset(_body):
	activated = true

# 暂时不启用自动传送
# func _input(event: InputEvent) -> void:
# 	# 长按自动传送
# 	if activated:
# 		if portal_name == "left" and target_portal == "right":
# 			if event.is_action("left"):
# 				action_times += 1
# 			elif event.is_action("right"):
# 				action_times = 0
# 			if action_times >= 7:
# 				activated = false
# 				action_times = 0
# 				%Sfx.play()
# 				_on_interacted()
# 		if portal_name == "right" and target_portal == "left":
# 			if event.is_action("right"):
# 				action_times += 1
# 			elif event.is_action("left"):
# 				action_times = 0
# 			if action_times >= 7:
# 				activated = false
# 				action_times = 0
# 				%Sfx.play()
# 				_on_interacted()