import {
  ApolloClient,
  ApolloLink,
  HttpLink,
  InMemoryCache,
  type NormalizedCacheObject,
} from '@apollo/client/core';
import { getRequestContextHeaders } from '@axinom/mosaic-service-common';
import fetch from 'cross-fetch';

export const getGqlClient = (
  endpoint: string,
  accessToken?: string,
): ApolloClient<NormalizedCacheObject> => {
  return new ApolloClient({
    link: ApolloLink.from([
      new HttpLink({
        uri: endpoint,
        headers: {
          ...getRequestContextHeaders(),
          ...(accessToken ? { authorization: `Bearer ${accessToken}` } : {}),
        },
        fetch,
      }),
    ]),
    cache: new InMemoryCache(),
  });
};