facebook.js

import { URL } from 'url';
import jwt from 'jsonwebtoken';
import passport from 'passport';

const facebook = {
  main: (request, ...rest) => {
    const { team } = request.query;

    return passport.authenticate('facebook', {
      callbackURL: process.env.FACEBOOK_CALLBACK_URL +  `?team=${team}`,
    })(request, ...rest);
  },
  callbacks: [
    (request, response, next) => {
      const { team } = request.query;

      return passport.authenticate('facebook', {
        callbackURL: process.env.FACEBOOK_CALLBACK_URL +  `?team=${team}`,
        failureRedirect: process.env.WEB_CLIENT_URL,
      })(request, response, next);
    },

    (request, response, next) => {
      delete request.query.code;
      console.log('QUERY', request.query);

      const { user } = request;
      const token = jwt.sign(user.toJSON(), process.env.JWT_SECRET);

      const redirectUrl =  new URL(`http://${request.query.team}.teleo.co?auth_token=${token}`);

      response.redirect(redirectUrl.href);
    },
  ],
};

export default facebook;