import { RpcParamtype } from '../enums/rpc-paramtype.enum';

export class RpcParamsFactory {
  public exchangeKeyForValue(
    type: number,
    data: string | undefined,
    args: unknown[],
  ) {
    if (!args) {
      return null;
    }
    switch (type as RpcParamtype) {
      case RpcParamtype.PAYLOAD:
        return data ? args[0]?.[data] : args[0];
      case RpcParamtype.CONTEXT:
        return args[1];
      case RpcParamtype.GRPC_CALL:
        return args[2];
      default:
        return null;
    }
  }
}