extends Node
#class_name Preference

const _FILE_PATH = 'user://preference.cfg'
const DEFAULT_VALUES = {
	'bgm': {
		'volume': 70,
	}
}
var _file : ConfigFile
var _path : String


func _ready(): restore()
func restore(_new_path = null):
	_path = _new_path if _new_path else _FILE_PATH
	_file = ConfigFile.new()
	_file.load(_path)


func save():
	_file.save(_path)
	BGM.load_preference()


func bgm_volume(v=null): return _of('bgm.volume', v)


func _of(_name, value = null):
	var arr = _name.split('.')
	var section = arr[0]
	var key 	= arr[1]
	if value != null:
		_file.set_value(section, key, value)
	else:
		if _file.has_section_key(section, key):
			return _file.get_value(section, key)
		else:
			return DEFAULT_VALUES[section][key]