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using System;
using NLog;

namespace ProgramLib
{
   /// <summary>
	/// Start TCP client and connect to the UUT
	/// </summary>
   internal class UutTestPortConnectAction : BasicAction
   {
      #region PrivateClassMembers
      private static NLog.ILogger _logger;
      private string _uutIpAddress = String.Empty;
      private int _uutTestPortTcp = -1;

      #endregion

      /// <summary>
      /// Constructor
      /// </summary>
      public UutTestPortConnectAction()
      {
         _logger = LogManager.GetCurrentClassLogger();
      }

      /// <summary>
      /// Run the action
      /// </summary>
      /// <returns></returns>
      public override void Run()
      {
         try
         {
            _logger?.Debug($"Entering {this.GetType().Name}::{System.Reflection.MethodBase.GetCurrentMethod().Name}() method...");

            if (Program.Instance().IsUutPwrOn)
            {
               if (Program.Instance().EthernetSocketManager.GetTcpClient(TcpClientNames.UUT_TEST_PORT) == null)
               {
                  ParseProgramSpecificConfig();
                  TcpClient tcpClient = new TcpClient(_uutIpAddress, _uutTestPortTcp);
                  tcpClient.Initialize();
                  tcpClient.Connect();
                  Program.Instance().EthernetSocketManager.AddTcpClient(TcpClientNames.UUT_TEST_PORT, tcpClient);
               }
               else
                  Program.Instance().EthernetSocketManager.GetTcpClient(TcpClientNames.UUT_TEST_PORT).Connect();
            }
            else
            {
               throw new Exception("Cannot connect to UUT test port because UUT is not powered on.");
            }
         }
         catch (Exception)
         {
            throw;
         }
      }

      /// <summary>
		/// Parse ini file 
		/// </summary>
		public void ParseProgramSpecificConfig()
      {
         try
         {
            _uutIpAddress = Program.Instance().ProgramSpecificConfig.ReadValue(ProgramSpecificConfigIni.UUT_INFO.ToString(), ProgramSpecificConfigIni.UUT_IP_ADDRESS.ToString());
            Int32.TryParse(Program.Instance().ProgramSpecificConfig.ReadValue(ProgramSpecificConfigIni.UUT_INFO.ToString(), ProgramSpecificConfigIni.UUT_TEST_PORT_TCP.ToString()), out _uutTestPortTcp);
         }
         catch (Exception)
         {
            throw;
         }
      }
   }
}