using System;
using System.Collections.Generic;

namespace ArchestrAServices.ASBContract;

public class SysAuthenticatorServiceCache : SynchronizedKeyedCollection<Guid, SysAuthServiceAuthentication>
{
	private static readonly SysAuthenticatorServiceCache serviceConnections = new SysAuthenticatorServiceCache();

	private static object ServiceCacheLockObject = new object();

	private SysAuthenticatorServiceCache()
	{
	}

	public static IEnumerable<SysAuthServiceAuthentication> GetAllServiceAuthenticators()
	{
		List<SysAuthServiceAuthentication> list = new List<SysAuthServiceAuthentication>();
		lock (ServiceCacheLockObject)
		{
			list.AddRange(serviceConnections.Items);
			return list;
		}
	}

	public static void AddServiceAuthenticator(SysAuthServiceAuthentication serviceAuthenticator)
	{
		if (serviceAuthenticator == null)
		{
			return;
		}
		lock (ServiceCacheLockObject)
		{
			if (!serviceConnections.Contains(serviceAuthenticator.connectionID))
			{
				serviceConnections.Add(serviceAuthenticator);
			}
		}
	}

	public static SysAuthServiceAuthentication GetServiceAuthenticator(Guid connectionId)
	{
		SysAuthServiceAuthentication result = null;
		lock (ServiceCacheLockObject)
		{
			if (serviceConnections.Contains(connectionId))
			{
				result = serviceConnections[connectionId];
			}
		}
		return result;
	}

	public static SysAuthServiceAuthentication RemoveServiceAuthenticator(Guid connectionId)
	{
		SysAuthServiceAuthentication serviceAuthenticator = GetServiceAuthenticator(connectionId);
		if (serviceAuthenticator != null)
		{
			lock (ServiceCacheLockObject)
			{
				serviceConnections.Remove(connectionId);
			}
		}
		return serviceAuthenticator;
	}

	protected override Guid GetKeyForItem(SysAuthServiceAuthentication item)
	{
		return item.connectionID;
	}
}