@Override
    public void channelRead(ChannelHandlerContext ctx, Object message) throws Exception {
        ByteBuf byteBuf = (ByteBuf) message;

        ActionType actionType = ActionType.fromByte(byteBuf.readByte());

        switch (actionType) {
            case ACCOUNT:
                AccountOptionType accountOptionType = AccountOptionType.fromByte(byteBuf.readByte());

                switch (accountOptionType) {
                    case AUTH:
                        new AccountAuthRequest(ctx, byteBuf);
                    break;
                    case CHANGE_PASS:
                    case CHANGE_LOGIN:
                    case DELETE_ACCOUNT:
                    default:
                        new ErrorRequest(ctx, actionType, accountOptionType, 404, "UNKNOWN_REQUEST");
                }
            break;
            case DOWNLOAD:
                DownloadOptionType downloadOptionType = DownloadOptionType.fromByte(byteBuf.readByte());

                switch (downloadOptionType) {
                    case FILE:
                        new DownloadFileRequest(ctx, byteBuf);
                    break;
                    default:
                        new ErrorRequest(ctx, actionType, downloadOptionType, 404, "UNKNOWN_REQUEST");
                }
            break;
            case UPLOAD:
                UploadOptionType uploadOptionType = UploadOptionType.fromByte(byteBuf.readByte());

                switch (uploadOptionType) {
                    case FILE:
                        new UploadFileRequest(ctx, byteBuf);
                    break;
                    default:
                        new ErrorRequest(ctx, actionType, uploadOptionType, 404, "UNKNOWN_REQUEST");
                }
            break;
            case COMMAND:
                CommandOptionType commandOptionType = CommandOptionType.fromByte(byteBuf.readByte());

                switch (commandOptionType) {
                    case FILE_LIST:
                        new CommandFileListRequest(ctx, byteBuf);
                    break;
                    default:
                        new ErrorRequest(ctx, actionType, commandOptionType, 404, "UNKNOWN_REQUEST");
                }
            break;
            default:
                new ErrorRequest(ctx, actionType, ErrorOptionType.UNKNOWN, 404, "UNKNOWN_REQUEST");
        }
    }