// (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.
//
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// distributing the program. Pursuant to Section 7(e) we decline to grant you any rights under
// trademark law for use of our trademarks.
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// 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

namespace ASC.VoipService.Dao;

public class AbstractDao
{
    private readonly string _dbid = "default";
    private readonly Lazy<VoipDbContext> _lazyVoipDbContext;

    protected VoipDbContext VoipDbContext { get => _lazyVoipDbContext.Value; }
    protected int TenantID
    {
        get;
        private set;
    }

    protected AbstractDao(DbContextManager<VoipDbContext> dbOptions, TenantManager tenantManager)
    {
        _lazyVoipDbContext = new Lazy<VoipDbContext>(() => dbOptions.Get(_dbid));
        TenantID = tenantManager.GetCurrentTenant().Id;
    }

    protected string GetTenantColumnName(string table)
    {
        const string tenant = "tenant_id";
        if (!table.Contains(' ')) return tenant;
        return table.Substring(table.IndexOf(" ", StringComparison.Ordinal)).Trim() + "." + tenant;
    }


    protected static Guid ToGuid(object guid)
    {
        var str = guid as string;
        return !string.IsNullOrEmpty(str) ? new Guid(str) : Guid.Empty;
    }
}