/*
 * SonarQube
 * Copyright (C) 2009-2018 SonarSource SA
 * mailto:info AT sonarsource DOT com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
import { memoize } from 'lodash';

const parseCookies = memoize((documentCookie: string): { [key: string]: string } => {
  const rawCookies = documentCookie.split('; ');
  const cookies: { [key: string]: string } = {};
  rawCookies.forEach(candidate => {
    const [key, value] = candidate.split('=');
    cookies[key] = value;
  });
  return cookies;
});

export function getCookie(name: string): string | undefined {
  return parseCookies(document.cookie)[name];
}