/*
 *
 * (c) Copyright Ascensio System Limited 2010-2018
 *
 * This program is freeware. You can redistribute it and/or modify it under the terms of the GNU 
 * General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html). 
 * In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that 
 * Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
 *
 * THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
 * FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
 *
 * You can contact Ascensio System SIA by email at sales@onlyoffice.com
 *
 * The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display 
 * Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
 *
 * Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains 
 * relevant author attributions when distributing the software. If the display of the logo in its graphic 
 * form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE" 
 * in every copy of the program you distribute. 
 * Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
 *
*/


using System;

namespace ASC.Web.Core.Helpers
{
    public class GrammaticalHelper
    {
        public static string ChooseNumeralCase(int number, string nominative, string genitiveSingular, string genitivePlural)
        {
            if (
                string.Compare(
                    System.Threading.Thread.CurrentThread.CurrentUICulture.ThreeLetterISOLanguageName,
                    "rus", true) == 0)
            {
                int[] formsTable = { 2, 0, 1, 1, 1, 2, 2, 2, 2, 2 };

                number = Math.Abs(number);
                var res = formsTable[((((number % 100) / 10) != 1) ? 1 : 0) * (number % 10)];
                return res switch
                {
                    0 => nominative,
                    1 => genitiveSingular,
                    _ => genitivePlural,
                };
            }
            else
                return number == 1 ? nominative : genitivePlural;
        }
    }
}