// (c) Copyright Ascensio System SIA 2010-2022
//
// This program is a free software product.
// You can redistribute it and/or modify it under the terms
// of the GNU Affero General Public License (AGPL) version 3 as published by the Free Software
// Foundation. In accordance with Section 7(a) of the GNU AGPL 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 details, see
// the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
//
// You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia, EU, LV-1021.
//
// The  interactive user interfaces in modified source and object code versions of the Program must
// display Appropriate Legal Notices, as required under Section 5 of the GNU AGPL version 3.
//
// Pursuant to Section 7(b) of the License you must retain the original Product logo when
// distributing the program. Pursuant to Section 7(e) we decline to grant you any rights under
// trademark law for use of our trademarks.
//
// All the Product's GUI elements, including illustrations and icon sets, as well as technical writing
// content are licensed under the terms of the Creative Commons Attribution-ShareAlike 4.0
// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode

using ConfigurationConstants = ASC.Core.Configuration.Constants;
using UserConstants = ASC.Core.Users.Constants;

namespace ASC.Data.Backup.Tasks.Modules;

[Scope]
public class Helpers
{
    private readonly InstanceCrypto _instanceCrypto;

    private readonly Guid[] _systemUsers = new[]
    {
            Guid.Empty,
            ConfigurationConstants.CoreSystem.ID,
            ConfigurationConstants.Guest.ID,
            UserConstants.LostUser.Id
        };

    private readonly Guid[] _systemGroups = new[]
    {
            Guid.Empty,
            UserConstants.LostGroupInfo.ID,
            UserConstants.GroupAdmin.ID,
            UserConstants.GroupEveryone.ID,
            UserConstants.GroupVisitor.ID,
            UserConstants.GroupUser.ID,
            new Guid("{EA942538-E68E-4907-9394-035336EE0BA8}"), //community product
            new Guid("{1e044602-43b5-4d79-82f3-fd6208a11960}"), //projects product
            new Guid("{6743007C-6F95-4d20-8C88-A8601CE5E76D}"), //crm product
            new Guid("{E67BE73D-F9AE-4ce1-8FEC-1880CB518CB4}"), //documents product
            new Guid("{F4D98AFD-D336-4332-8778-3C6945C81EA0}"), //people product
            new Guid("{2A923037-8B2D-487b-9A22-5AC0918ACF3F}"), //mail product
            new Guid("{32D24CB5-7ECE-4606-9C94-19216BA42086}"), //calendar product
            new Guid("{37620AE5-C40B-45ce-855A-39DD7D76A1FA}"), //birthdays product
            new Guid("{BF88953E-3C43-4850-A3FB-B1E43AD53A3E}")  //talk product
        };

    public Helpers(InstanceCrypto instanceCrypto)
    {
        _instanceCrypto = instanceCrypto;
    }

    public bool IsEmptyOrSystemUser(string id)
    {
        return string.IsNullOrEmpty(id) || Guid.TryParse(id, out var g) && _systemUsers.Contains(g);
    }

    public bool IsEmptyOrSystemGroup(string id)
    {
        return string.IsNullOrEmpty(id) || Guid.TryParse(id, out var g) && _systemGroups.Contains(g);
    }

    public string CreateHash(string s)
    {
        return !string.IsNullOrEmpty(s) && s.StartsWith("S|") ? _instanceCrypto.Encrypt(Crypto.GetV(s.Substring(2), 1, false)) : s;
    }

    public string CreateHash2(string s)
    {
        return !string.IsNullOrEmpty(s) ? "S|" + Crypto.GetV(_instanceCrypto.Decrypt(s), 1, true) : s;
    }
}