///
/// Copyright (c) 2017 Sensus Metering Systems
///
using System.Net;
using log4net;

namespace TBF.BenchControl.Network.Adapter
{
	public class Netadapter : ComponentBase, TBF.BenchControl.Generic.IDevice, GenericDevices.INetworkAdapter
	{
		private static readonly ILog log = LogManager.GetLogger(typeof(Netadapter));
		public override string ToString()
		{
			return string.Format("Component={0} IPAddress={1} NetMask={2} Description={3}", Cfg.Name, IPAddress, NetMask, (Cfg as NetadapterCfg).Description);
		}

		public bool Running { get { return running; }  }
		bool running;

		readonly NetadapterCfg netadapterCfg;
		readonly IPAddress ipAddress;
		readonly IPAddress netMask;
		readonly IPAddress broadcastAddress;

		public IPAddress IPAddress { get { return ipAddress; } }
		public IPAddress NetMask { get { return netMask; } }
		public IPAddress BroadcastAddress { get { return broadcastAddress; } }

		Tftp.TftpServer tftpServer;

		public Netadapter()
		{
		}

		public Netadapter(Generic.IComponentCfg cfg)
            : base(cfg)
        {
			netadapterCfg = cfg as NetadapterCfg;
			AdapterInfo.RefreshNetAdaptersInfo();
			AdapterInfo netadapter = AdapterInfo.GetNetAdapter(netadapterCfg.Description);
			ipAddress = netadapter.IPAddress;
			netMask = netadapter.NetMask;
			broadcastAddress = netadapter.GetBroadcastAddress();

			running = false;

			log.Debug(this.ToString());
		}


		public void Initialize()
		{
			if (netadapterCfg.DebugLevel != Config.Entities.DebugMode.Simulate)
			{
				if (netadapterCfg.TftpServerEnabled)
				{
					tftpServer = new Tftp.TftpServer();
					tftpServer.Start(netadapterCfg.TftpServerDirectory, ipAddress);
				}
				else
				{
					tftpServer = null;
				}
			}

			running = true;

			log.FatalFormat("Successfully initialized device {0}", ToString());
		}

		public void StopDevice()
		{
			if (netadapterCfg.DebugLevel != Config.Entities.DebugMode.Simulate)
			{
				if (tftpServer != null) tftpServer.Stop();
			}

			running = false;
		}

		public void RunDeviceBefore() {}
		public void RunDeviceAfter() {}
	}
}