using System;
using System.Collections.Generic;
using System.Net;
using System.Security.Cryptography;

namespace ScreenConnect;

[SingletonType("ScreenConnect.WindowsClientToolkit", "ScreenConnect.Windows, Version={0}, PublicKeyToken={1}", EnvironmentFlags.FullMicrosoftClr, EnvironmentFlags.UnknownRuntime)]
[SingletonType("ScreenConnect.MonoTouchClientToolkit", "MonoTouchCore, Version={0}, PublicKeyToken={1}", EnvironmentFlags.Mono | EnvironmentFlags.IOS, EnvironmentFlags.UnknownRuntime)]
[SingletonType("ScreenConnect.WindowsAppClientToolkit", "ScreenConnect.WindowsApp, Version={0}, PublicKeyToken={1}", EnvironmentFlags.PortableMicrosoftClr, EnvironmentFlags.UnknownRuntime)]
public class ClientToolkit : Singleton<ClientToolkit>
{
	private class EmptyProxyAttempter : IProxyAttempter
	{
		public IEnumerable<Uri> GetPossibleProxyUris(Uri endPointUri)
		{
			return new Uri[1];
		}

		public void NotifyProxyUriWorking(Uri proxyUri)
		{
		}
	}

	public virtual NetworkConnection ConnectNetworkConnection(Uri endPointUri, Uri httpProxyUri)
	{
		return new SocketNetworkConnection(ClientNetworkExtensions.ConnectTcpSocket(endPointUri));
	}

	public virtual IPAddress[] GetIPAddresses(string hostOrIPAddressString)
	{
		return NetworkExtensions.GetIPAddresses(hostOrIPAddressString);
	}

	public virtual int GetKeepAliveTimeSeconds()
	{
		return 60;
	}

	public virtual int GetClientConnectionMaxRetrySleepMilliseconds()
	{
		return 1800000;
	}

	public virtual int GetClientConnectionLimitPeriodMilliseconds()
	{
		return 21600000;
	}

	public virtual int GetClientConnectionLimitPerPeriodBeforeMaxWait()
	{
		return 30;
	}

	public virtual byte[] EncryptRSA(byte[] key, byte[] data)
	{
		using RSACryptoServiceProvider rSACryptoServiceProvider = new RSACryptoServiceProvider();
		rSACryptoServiceProvider.ImportCspBlob(key);
		return rSACryptoServiceProvider.Encrypt(data, fOAEP: false);
	}

	public virtual IVideoFileEncoder CreateVideoFileEncoder()
	{
		throw new NotSupportedException();
	}

	public virtual string ExpandEnvironmentVariables(string s)
	{
		return s;
	}

	public virtual Guid GetMachineBasedSessionID()
	{
		return default(Guid);
	}

	public virtual ResourceManagerEx CreateClientResourceManager()
	{
		throw new NotImplementedException();
	}

	public virtual long GetApplicationPingTimeMilliseconds()
	{
		return 1800000L;
	}

	public virtual IProxyAttempter CreateProxyAttempter()
	{
		return new EmptyProxyAttempter();
	}
}