/*
 *
 * (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.Collections.Generic;
using ASC.Core.Tenants;

namespace ASC.Core.Users
{
    public static class UserExtensions
    {
        public static bool IsOwner(this UserInfo ui, Tenant tenant)
        {
            if (ui == null) return false;

            return tenant != null && tenant.OwnerId.Equals(ui.ID);
        }

        public static bool IsMe(this UserInfo ui, AuthContext authContext)
        {
            return ui != null && ui.ID == authContext.CurrentAccount.ID;
        }

        public static bool IsAdmin(this UserInfo ui, UserManager UserManager)
        {
            return ui != null && UserManager.IsUserInGroup(ui.ID, Constants.GroupAdmin.ID);
        }

        public static bool IsVisitor(this UserInfo ui, UserManager UserManager)
        {
            return ui != null && UserManager.IsUserInGroup(ui.ID, Constants.GroupVisitor.ID);
        }

        public static bool IsOutsider(this UserInfo ui, UserManager userManager)
        {
            return IsVisitor(ui, userManager) && ui.ID == Constants.OutsideUser.ID;
        }

        public static bool IsLDAP(this UserInfo ui)
        {
            if (ui == null) return false;

            return !string.IsNullOrEmpty(ui.Sid);
        }

        // ReSharper disable once InconsistentNaming
        public static bool IsSSO(this UserInfo ui)
        {
            if (ui == null) return false;

            return !string.IsNullOrEmpty(ui.SsoNameId);
        }

        private const string EXT_MOB_PHONE = "extmobphone";
        private const string MOB_PHONE = "mobphone";
        private const string EXT_MAIL = "extmail";
        private const string MAIL = "mail";

        public static void ConvertExternalContactsToOrdinary(this UserInfo ui)
        {
            var ldapUserContacts = ui.ContactsList;

            if (ui.ContactsList == null) return;

            var newContacts = new List<string>();

            for (int i = 0, m = ldapUserContacts.Count; i < m; i += 2)
            {
                if (i + 1 >= ldapUserContacts.Count)
                    continue;

                var type = ldapUserContacts[i];
                var value = ldapUserContacts[i + 1];

                switch (type)
                {
                    case EXT_MOB_PHONE:
                        newContacts.Add(MOB_PHONE);
                        newContacts.Add(value);
                        break;
                    case EXT_MAIL:
                        newContacts.Add(MAIL);
                        newContacts.Add(value);
                        break;
                    default:
                        newContacts.Add(type);
                        newContacts.Add(value);
                        break;
                }
            }

            ui.ContactsList = newContacts;
        }
    }
}