class FileStorageManager(StorageManager):
    def __init__(self, config):
        super(FileStorageManager, self).__init__(config)
        self.path = config.path
        self.data = {}

    def __get_name(self):
        return "Plain File Storage Manager"


    def __to_json(self):
        return json.dumps(self.data, default = lambda o: o.__dict__,
                                            sort_keys=True, indent=4)

    def __load_from_json(self, json_str):
        self.data = json.loads(json_str, object_hook=lambda d: namedtuple('X',
                                                        d.keys())(*d.values()))
    def load(self):
        file = open(self.path, "r")

        print("Reading %s from file %s" % (self.__get_name(), self.path))
        self.__load_from_json(file.read())

        file.close()

    def save(self):
        file = open(self.path, "w")

        print("Writing %s to file %s" % (self.__get_name(), str(self.path)))
        file.write(self.__to_json())

        file.close()

class GoogleDriveConfig(FileStorageManager):
    def __init__(self, config):
        super(FileStorageManager, self).__init__(config)

    def __get_name(self):
        return "Google Drive Configuration"