// (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 Constants = ASC.Core.Users.Constants;

namespace ASC.Web.Core.Calendars;

public class SharingOptions : ICloneable
{
    public class PublicItem
    {
        public Guid Id { get; set; }
        public bool IsGroup { get; set; }
    }

    public bool SharedForAll { get; set; }

    public List<PublicItem> PublicItems { get; set; }

    public SharingOptions()
    {
        this.PublicItems = new List<PublicItem>();
    }

    public bool PublicForItem(Guid itemId, UserManager userManager)
    {
        if (SharedForAll)
        {
            return true;
        }

        if (PublicItems.Exists(i => i.Id.Equals(itemId)))
        {
            return true;
        }

        var u = userManager.GetUsers(itemId);
        if (u != null && u.Id != Constants.LostUser.Id)
        {
            var userGroups = new List<GroupInfo>(userManager.GetUserGroups(itemId));
            userGroups.AddRange(userManager.GetUserGroups(itemId, Constants.SysGroupCategoryId));
            return userGroups.Exists(g => PublicItems.Exists(i => i.Id.Equals(g.ID)));
        }

        return false;
    }

    #region ICloneable Members

    public object Clone()
    {
        var o = new SharingOptions
        {
            SharedForAll = this.SharedForAll
        };
        foreach (var i in this.PublicItems)
        {
            o.PublicItems.Add(new PublicItem() { Id = i.Id, IsGroup = i.IsGroup });
        }

        return o;
    }

    #endregion
}