/*
 *
 * (c) Copyright Ascensio System Limited 2010-2018
 *
 * This program is freeware. You can redistribute it and/or modify it under the terms of the GNU 
 * General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html). 
 * In accordance with Section 7(a) of the GNU GPL 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 more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
 *
 * You can contact Ascensio System SIA by email at sales@onlyoffice.com
 *
 * The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display 
 * Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
 *
 * Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains 
 * relevant author attributions when distributing the software. If the display of the logo in its graphic 
 * form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE" 
 * in every copy of the program you distribute. 
 * Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
 *
*/

namespace ASC.Core.Notify;

class DirectSubscriptionProvider : ISubscriptionProvider
{
    private readonly IRecipientProvider _recipientProvider;
    private readonly SubscriptionManager _subscriptionManager;
    private readonly string _sourceId;


    public DirectSubscriptionProvider(string sourceID, SubscriptionManager subscriptionManager, IRecipientProvider recipientProvider)
    {
        if (string.IsNullOrEmpty(sourceID)) throw new ArgumentNullException(nameof(sourceID));
        _sourceId = sourceID;
        _subscriptionManager = subscriptionManager ?? throw new ArgumentNullException(nameof(subscriptionManager));
        _recipientProvider = recipientProvider ?? throw new ArgumentNullException(nameof(recipientProvider));
    }


    public object GetSubscriptionRecord(INotifyAction action, IRecipient recipient, string objectID)
    {
        if (action == null)
        {
            throw new ArgumentNullException(nameof(action));
        }

        if (recipient == null)
        {
            throw new ArgumentNullException(nameof(recipient));
        }

        return _subscriptionManager.GetSubscriptionRecord(_sourceId, action.ID, recipient.ID, objectID);
    }

    public string[] GetSubscriptions(INotifyAction action, IRecipient recipient, bool checkSubscribe = true)
    {
        if (action == null)
        {
            throw new ArgumentNullException(nameof(action));
        }

        if (recipient == null)
        {
            throw new ArgumentNullException(nameof(recipient));
        }

        return _subscriptionManager.GetSubscriptions(_sourceId, action.ID, recipient.ID, checkSubscribe);
    }

    public IRecipient[] GetRecipients(INotifyAction action, string objectID)
    {
        if (action == null)
        {
            throw new ArgumentNullException(nameof(action));
        }

        return _subscriptionManager.GetRecipients(_sourceId, action.ID, objectID)
            .Select(r => _recipientProvider.GetRecipient(r))
            .Where(r => r != null)
            .ToArray();
    }

    public string[] GetSubscriptionMethod(INotifyAction action, IRecipient recipient)
    {
        if (action == null)
        {
            throw new ArgumentNullException(nameof(action));
        }
        if (recipient == null)
        {
            throw new ArgumentNullException(nameof(recipient));
        }

        return _subscriptionManager.GetSubscriptionMethod(_sourceId, action.ID, recipient.ID);
    }

    public void UpdateSubscriptionMethod(INotifyAction action, IRecipient recipient, params string[] senderNames)
    {
        if (action == null)
        {
            throw new ArgumentNullException(nameof(action));
        }
        if (recipient == null)
        {
            throw new ArgumentNullException(nameof(recipient));
        }

        _subscriptionManager.UpdateSubscriptionMethod(_sourceId, action.ID, recipient.ID, senderNames);
    }

    public bool IsUnsubscribe(IDirectRecipient recipient, INotifyAction action, string objectID)
    {
        if (recipient == null)
        {
            throw new ArgumentNullException(nameof(recipient));
        }
        if (action == null)
        {
            throw new ArgumentNullException(nameof(action));
        }

        return _subscriptionManager.IsUnsubscribe(_sourceId, recipient.ID, action.ID, objectID);
    }

    public void Subscribe(INotifyAction action, string objectID, IRecipient recipient)
    {
        if (action == null)
        {
            throw new ArgumentNullException(nameof(action));
        }
        if (recipient == null)
        {
            throw new ArgumentNullException(nameof(recipient));
        }

        _subscriptionManager.Subscribe(_sourceId, action.ID, objectID, recipient.ID);
    }

    public void UnSubscribe(INotifyAction action, string objectID, IRecipient recipient)
    {
        if (action == null)
        {
            throw new ArgumentNullException(nameof(action));
        }
        if (recipient == null)
        {
            throw new ArgumentNullException(nameof(recipient));
        }

        _subscriptionManager.Unsubscribe(_sourceId, action.ID, objectID, recipient.ID);
    }

    public void UnSubscribe(INotifyAction action)
    {
        if (action == null)
        {
            throw new ArgumentNullException(nameof(action));
        }

        _subscriptionManager.UnsubscribeAll(_sourceId, action.ID);
    }

    public void UnSubscribe(INotifyAction action, string objectID)
    {
        if (action == null)
        {
            throw new ArgumentNullException(nameof(action));
        }

        _subscriptionManager.UnsubscribeAll(_sourceId, action.ID, objectID);
    }

    [Obsolete("Use UnSubscribe(INotifyAction, string, IRecipient)", true)]
    public void UnSubscribe(INotifyAction action, IRecipient recipient)
    {
        throw new NotSupportedException("use UnSubscribe(INotifyAction, string, IRecipient )");
    }
}