// (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 JsonSerializer = System.Text.Json.JsonSerializer;

namespace ASC.Common.Threading;

[ProtoContract(IgnoreUnknownSubTypes = true)]
[ProtoInclude(100, typeof(DistributedTaskProgress))]
public class DistributedTask
{
    [ProtoMember(10)]
    protected string _exeption;

    [ProtoMember(11)]
    protected Dictionary<string, string> _props;

    public Action<DistributedTask> Publication { get; set; }

    [ProtoMember(1)]
    public int InstanceId { get; set; }

    [ProtoMember(2)]
    public string Id { get; set; }

    [ProtoMember(3)]
    public DistributedTaskStatus Status { get; set; }

    [ProtoMember(4)]
    public DateTime LastModifiedOn { get; set; }

    public Exception Exception
    {
        get => new Exception(_exeption);
        set => _exeption = value?.Message ?? "";
    }


    public DistributedTask()
    {
        Id = Guid.NewGuid().ToString();

        _exeption = String.Empty;
        _props = new Dictionary<string, string>();
    }

    public void PublishChanges()
    {
        if (Publication == null)
        {
            throw new InvalidOperationException("Publication not found.");
        }

        Publication(this);
    }

    [Obsolete("GetProperty<T> is deprecated, please use indexer this[propName] instead.")]
    public T GetProperty<T>(string propName)
    {
        if (!_props.TryGetValue(propName, out var propValue))
        {
            return default;
        }

        return JsonSerializer.Deserialize<T>(propValue);
    }

    [Obsolete("SetProperty is deprecated, please use indexer this[propName] = propValue instead.")]
    public void SetProperty(string propName, object propValue)
    {
        _props[propName] = JsonSerializer.Serialize(propValue);
    }

    public dynamic this[string propName]
    {
        get
        {
            if (!_props.TryGetValue(propName, out var propValue))
            {
                throw new ArgumentException($"Unknown propery {propName}. You must init the property before used.");
            }

            if (int.TryParse(propValue, out var resultAsInt))
            {
                return resultAsInt;
            }

            if (bool.TryParse(propValue, out var resultAsBool))
            {
                return resultAsBool;
            }

            return _props[propName];
        }
        set
        {
            _props[propName] = Convert.ToString(value);
        }
    }

    public override int GetHashCode()
    {
        return Id.GetHashCode();
    }
}