/*
 *
 * (c) Copyright Ascensio System Limited 2010-2020
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
*/


using System.Threading;
using System.Threading.Tasks;

using ASC.Common;

using Microsoft.Extensions.Hosting;

namespace ASC.Data.Storage.Encryption
{
    public class EncryptionServiceLauncher : IHostedService
    {
        private EncryptionServiceListener EncryptionServiceListener { get; set; }

        public EncryptionServiceLauncher(EncryptionServiceListener encryptionServiceListener)
        {
            EncryptionServiceListener = encryptionServiceListener;
        }

        public Task StartAsync(CancellationToken cancellationToken)
        {
            if (EncryptionServiceListener != null)
            {
                EncryptionServiceListener.Start();
            }

            return Task.CompletedTask;
        }

        public Task StopAsync(CancellationToken cancellationToken)
        {
            if (EncryptionServiceListener != null)
            {
                EncryptionServiceListener.Stop();
            }
            return Task.CompletedTask;
        }
    }

    public static class EncryptionServiceLauncherExtension
    {
        public static DIHelper AddEncryptionServiceLauncher(this DIHelper services)
        {
            services.TryAddSingleton<EncryptionServiceLauncher>();
            return services.AddEncryptionServiceListener();
        }
    }
}