/**
 * Copyright 2012-2017 Red Hat, Inc.
 *
 * Thermostat is distributed under the GNU General Public License,
 * version 2 or any later version (with a special exception described
 * below, commonly known as the "Classpath Exception").
 *
 * A copy of GNU General Public License (GPL) is included in this
 * distribution, in the file COPYING.
 *
 * Linking Thermostat code with other modules is making a combined work
 * based on Thermostat.  Thus, the terms and conditions of the GPL
 * cover the whole combination.
 *
 * As a special exception, the copyright holders of Thermostat give you
 * permission to link this code with independent modules to produce an
 * executable, regardless of the license terms of these independent
 * modules, and to copy and distribute the resulting executable under
 * terms of your choice, provided that you also meet, for each linked
 * independent module, the terms and conditions of the license of that
 * module.  An independent module is a module which is not derived from
 * or based on Thermostat code.  If you modify Thermostat, you may
 * extend this exception to your version of the software, but you are
 * not obligated to do so.  If you do not wish to do so, delete this
 * exception statement from your version.
 */

import * as $ from "jquery";

export function DetermineGatewayUrl(): Promise<void> {
  return new Promise<void>(resolve => {
    $.get("/gatewayurl")
      .done((res: any) => {
        (<any>window).tmsGatewayUrl = res.gatewayUrl;
      })
      .fail(() => {
        let url = require("url");
        let parsed = url.parse(window.location.href);
        let gateway = {
          protocol: parsed.protocol,
          host: parsed.host
        };
        (<any>window).tmsGatewayUrl = url.format(gateway);
      })
      .always(() => resolve());
  });
}