import { grpc } from '@improbable-eng/grpc-web';
import { NodeHttpTransport } from '@improbable-eng/grpc-web-node-http-transport';

import { ChatClientImpl, GrpcWebImpl as GrpcChatImpl } from '../api/v0/chat';
import { protoMeta } from './token';
import storage from './storage';

function getOptions(metaData?: any) {
  return {
    transport: NodeHttpTransport(),
    metadata: new grpc.Metadata({ ...protoMeta(), ...metaData }),
  }
}

export const getChatClient = (metaData?: any) => {
  return new ChatClientImpl(new GrpcChatImpl(metaData?.grpcHost || storage.grpcHost, getOptions()));
};