// (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.
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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.Notify.Engine;

public class NotifyRequest
{
    private readonly INotifySource _notifySource;
    public INotifyAction NotifyAction { get; internal set; }
    public string ObjectID { get; internal set; }
    public IRecipient Recipient { get; internal set; }
    public List<ITagValue> Arguments { get; internal set; }
    public string CurrentSender { get; internal set; }
    public INoticeMessage CurrentMessage { get; internal set; }
    public Hashtable Properties { get; private set; }
    internal string[] _senderNames;
    internal IPattern[] _patterns;
    internal List<string> _requaredTags;
    internal List<ISendInterceptor> _interceptors;
    internal bool _isNeedCheckSubscriptions;
    private readonly ILogger _log;
    private readonly ILoggerProvider _options;

    public NotifyRequest(ILoggerProvider options, INotifySource notifySource, INotifyAction action, string objectID, IRecipient recipient)
    {
        Properties = new Hashtable();
        Arguments = new List<ITagValue>();
        _requaredTags = new List<string>();
        _interceptors = new List<ISendInterceptor>();
        _options = options;
        _notifySource = notifySource ?? throw new ArgumentNullException(nameof(notifySource));
        Recipient = recipient ?? throw new ArgumentNullException(nameof(recipient));
        NotifyAction = action ?? throw new ArgumentNullException(nameof(action));
        ObjectID = objectID;

        _isNeedCheckSubscriptions = true;
        _log = options.CreateLogger("ASC.Notify");
    }

    internal bool Intercept(InterceptorPlace place, IServiceScope serviceScope)
    {
        var result = false;
        foreach (var interceptor in _interceptors)
        {
            if ((interceptor.PreventPlace & place) == place)
            {
                try
                {
                    if (interceptor.PreventSend(this, place, serviceScope))
                    {
                        result = true;
                    }
                }
                catch (Exception err)
                {
                    _log.ErrorIntercept(interceptor.Name, NotifyAction, Recipient, err);
                }
            }
        }

        return result;
    }

    internal IPattern GetSenderPattern(string senderName)
    {
        if (_senderNames == null || _patterns == null ||
            _senderNames.Length == 0 || _patterns.Length == 0 ||
            _senderNames.Length != _patterns.Length)
        {
            return null;
        }

        var index = Array.IndexOf(_senderNames, senderName);
        if (index < 0)
        {
            throw new ApplicationException($"Sender with tag {senderName} dnot found");
        }

        return _patterns[index];
    }

    internal NotifyRequest Split(IRecipient recipient)
    {
        ArgumentNullException.ThrowIfNull(recipient);

        var newRequest = new NotifyRequest(_options, _notifySource, NotifyAction, ObjectID, recipient)
        {
            _senderNames = _senderNames,
            _patterns = _patterns,
            Arguments = new List<ITagValue>(Arguments),
            _requaredTags = _requaredTags,
            CurrentSender = CurrentSender,
            CurrentMessage = CurrentMessage
        };
        newRequest._interceptors.AddRange(_interceptors);

        return newRequest;
    }

    internal NoticeMessage CreateMessage(IDirectRecipient recipient)
    {
        return new NoticeMessage(recipient, NotifyAction, ObjectID);
    }

    public IActionProvider GetActionProvider(IServiceScope scope)
    {
        return ((INotifySource)scope.ServiceProvider.GetService(_notifySource.GetType())).GetActionProvider();
    }

    public IPatternProvider GetPatternProvider(IServiceScope scope)
    {
        return ((INotifySource)scope.ServiceProvider.GetService(_notifySource.GetType())).GetPatternProvider();
    }

    public IRecipientProvider GetRecipientsProvider(IServiceScope scope)
    {
        return ((INotifySource)scope.ServiceProvider.GetService(_notifySource.GetType())).GetRecipientsProvider();
    }

    public ISubscriptionProvider GetSubscriptionProvider(IServiceScope scope)
    {
        return ((INotifySource)scope.ServiceProvider.GetService(_notifySource.GetType())).GetSubscriptionProvider();
    }
}