/*
 *
 * (c) Copyright Ascensio System Limited 2010-2020
 *
 * 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.
 *
*/


using System;

using ASC.Common;
using ASC.Common.Caching;
using ASC.Notify.Messages;

namespace ASC.Core.Common.Notify
{
    public class TelegramServiceClient : ITelegramService
    {
        private ICacheNotify<NotifyMessage> CacheMessage { get; }
        private ICacheNotify<RegisterUserProto> CacheRegisterUser { get; }
        private ICacheNotify<CreateClientProto> CacheCreateClient { get; }
        private ICacheNotify<DisableClientProto> CacheDisableClient { get; }

        private ICache Cache { get; }

        public TelegramServiceClient(ICacheNotify<NotifyMessage> cacheMessage,
            ICacheNotify<RegisterUserProto> cacheRegisterUser,
            ICacheNotify<CreateClientProto> cacheCreateClient,
            ICacheNotify<DisableClientProto> cacheDisableClient)
        {
            CacheMessage = cacheMessage;
            CacheRegisterUser = cacheRegisterUser;
            CacheCreateClient = cacheCreateClient;
            CacheDisableClient = cacheDisableClient;
            Cache = AscCache.Memory;
        }

        public void SendMessage(NotifyMessage m)
        {
            CacheMessage.Publish(m, CacheNotifyAction.Insert);
        }

        public void RegisterUser(string userId, int tenantId, string token)
        {
            Cache.Insert(GetCacheTokenKey(tenantId, userId), token, DateTime.MaxValue);
            CacheRegisterUser.Publish(new RegisterUserProto()
            {
                UserId = userId,
                TenantId = tenantId,
                Token = token
            }, CacheNotifyAction.Insert);
        }

        public void CreateOrUpdateClient(int tenantId, string token, int tokenLifespan, string proxy)
        {
            CacheCreateClient.Publish(new CreateClientProto()
            {
                TenantId = tenantId,
                Token = token,
                TokenLifespan = tokenLifespan,
                Proxy = proxy
            }, CacheNotifyAction.Insert);
        }

        public void DisableClient(int tenantId)
        {
            CacheDisableClient.Publish(new DisableClientProto() { TenantId = tenantId }, CacheNotifyAction.Insert);
        }

        public string RegistrationToken(string userId, int tenantId)
        {
            return Cache.Get<string>(GetCacheTokenKey(tenantId, userId));
        }

        private string GetCacheTokenKey(int tenantId, string userId)
        {
            return "Token" + userId + tenantId;
        }
    }

    public static class TelegramServiceClientExtension
    {
        public static DIHelper AddTelegramServiceClient(this DIHelper services)
        {
            services.TryAddSingleton<TelegramServiceClient>();
            return services;
        }
    }
}