// note(oct. 28, 2016)
// by-pass the meteor integration to use the features of apollo-client 0.5.x / graphql-server 0.4.x

// -------
// start of main-client from apollostack/meteor-integration

import ApolloClient, { createNetworkInterface } from 'apollo-client';
import { Accounts } from 'meteor/accounts-base';
import { _ } from 'meteor/underscore';
import 'isomorphic-fetch';
import Cookie from 'react-cookie';

import Telescope from 'meteor/nova:lib';

const defaultNetworkInterfaceConfig = {
  path: '/graphql',
  options: {},
};

export const createMeteorNetworkInterface = (givenConfig) => {
  const config = _.extend(defaultNetworkInterfaceConfig, givenConfig);

  // absoluteUrl adds a '/', so let's remove it first
  let path = config.path;
  if (path[0] === '/') {
    path = path.slice(1);
  }

  // For SSR
  const url = Meteor.absoluteUrl(path);
  const networkInterface = createNetworkInterface({
    uri: url,
    opts: {
      credentials: 'same-origin',
    }
  });

  networkInterface.use([{
    applyMiddleware(request, next) {
      console.log('from router token', config.cookieLoginToken);
      console.log('from accounts token', Meteor.isClient && Accounts._storedLoginToken());
      const currentUserToken = config.cookieLoginToken ? config.cookieLoginToken : Meteor.isClient ? Accounts._storedLoginToken() : null;

      if (!currentUserToken) {
        next();
        return;
      }

      if (!request.options.headers) {
        request.options.headers = new Headers();
      }

      request.options.headers.Authorization = currentUserToken;

      next();
    },
  }]);

  return networkInterface;
};

export const meteorClientConfig = (networkInterfaceConfig) => {
  return {
    ssrMode: Meteor.isServer,
    networkInterface: createMeteorNetworkInterface(networkInterfaceConfig),

    // Default to using Mongo _id, must use _id for queries.
    dataIdFromObject: (result) => {
      if (result._id && result.__typename) {
        const dataId = result.__typename + result._id;
        return dataId;
      }
    },
  };
};

// end of main-client from apollostack/meteor-integration
// --------

export const client = new ApolloClient(meteorClientConfig());

Telescope.graphQL.client = client;