@tool
class_name Sfx extends AudioStreamPlayer

# @export var volume_db := 0.0
@export_enum("child", "game/八音盒", "game/旋转锁", "ghost", "lvping", "ui", "c01", "c02") var dir := "ui":
	set(value):
		dir = value
		_update_files()
#@export var file: String = "":
#set(val):
#if val and current_files.has(val):
#file = val
var sfx: AudioStream

var file: String
var sfx_root_path = "res://asset/audio/sfx/"
var current_files := PackedStringArray()


func _ready() -> void:
	if Engine.is_editor_hint():
		_update_files()
	_reload_sfx()
	bus = &"game_sfx"


func _reload_sfx():
	if file and dir:
		# print("reload sfx", sfx_root_path + dir + "/" + file)
		sfx = load(sfx_root_path + dir + "/" + file) as AudioStream
	else:
		sfx = null
	stream = sfx


func _update_files():
	current_files.clear()
	if not dir:
		return
	var dir_access := DirAccess.open(sfx_root_path + dir) as DirAccess
	for f in dir_access.get_files():
		if f.ends_with(".wav") or f.ends_with(".ogg") or f.ends_with(".mp3"):
			current_files.push_back(f)
	#for d in dir_access.get_directories():
	#var sub_dir_access := DirAccess.open(sfx_root_path + dir + "/" + d) as DirAccess
	#for f in sub_dir_access.get_files():
	#if f.ends_with(".wav") or f.ends_with(".ogg") or f.ends_with(".mp3"):
	#current_files.push_back(d + "/" + f)
	if current_files.is_empty():
		file = ""
	elif not file or not current_files.has(file):
		file = current_files[0]
	_reload_sfx()
	notify_property_list_changed()


#func _property_can_revert(property: StringName) -> bool:
#if property == &"file":
#return true
#return false
#
#func _property_get_revert(property: StringName) -> Variant:
#if property == &"file":
#return ""
#return null


func _get_property_list():
	return [
		{
			"name": &"file",
			"type": TYPE_STRING,
			"hint": PROPERTY_HINT_ENUM_SUGGESTION,
			"hint_string": ",".join(current_files),
		}
	]


func _get(property: StringName) -> Variant:
	if property == &"file":
		return file
	return null


func _set(property: StringName, value: Variant) -> bool:
	if property == &"file":
		file = value
		_reload_sfx()
		# notify_property_list_changed()
		return true
	return false


# func play() -> void:
# 	if sfx:
# 		AudioManager.play_sfx(sfx, volume_db)


# queue free 导致 sfx 无法播放，使用全局声源
func global_play() -> void:
	if sfx:
		AudioManager.play_sfx(sfx)