/*-------------------------------------------------------------------------
//                           UNCLASSIFIED
/*-------------------------------------------------------------------------
RAYTHEON PROPRIETARY: THIS DOCUMENT CONTAINS DATA OR INFORMATION
PROPRIETARY TO RAYTHEON COMPANY AND IS RESTRICTED TO USE ONLY BY PERSONS
AUTHORIZED BY RAYTHEON COMPANY IN WRITING TO USE IT. DISCLOSURE TO
UNAUTHORIZED PERSONS WOULD LIKELY CAUSE SUBSTANTIAL COMPETITIVE HARM TO
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CONTENTS SHALL BE FURNISHED OR DISCLOSED TO OR COPIED OR USED BY PERSONS
OUTSIDE RAYTHEON COMPANY WITHOUT THE EXPRESS WRITTEN APPROVAL OF RAYTHEON
COMPANY.

THIS PROPRIETARY NOTICE IS NOT APPLICABLE IF DELIVERED TO THE U.S.
GOVERNMENT.

UNPUBLISHED WORK - COPYRIGHT RAYTHEON COMPANY.
-------------------------------------------------------------------------*/
using System;
using System.Collections;
using System.Collections.Generic;
using System.Threading;
using NLog;
using ProgramGui.GUI.ViewModel;
using ProgramLib.GUI.Model;
using ProgramLib.GUI.View;
using Raytheon.Instruments.PowerSupply;

namespace ProgramLib
{
   /// <summary>
   /// Class to spawn thread to read power supply data
   /// </summary>
   internal class ManualGuiPowerSupplyReadThread : BasicThread
   {
      private enum Events
      {
         GLOBAL_QUIT,
         QUIT,

         // DO NOT change the name
         // This must be the last member in the enum
         EVENT_TIMED_OUT
      }

      private ILogger _logger;

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

      /// <summary>
      /// Method that executes on the thread.
      /// </summary>
      /// <param name=""></param>
      /// <returns></returns>
      protected override void DoWork()
      {
         _logger?.Debug($"{this.GetType().Name}::{System.Reflection.MethodBase.GetCurrentMethod().Name}() is running...");

         try
         {
            ReadPowerSupplyData();
         }
         catch (Exception ex)
         {
            _logger?.Error(ex.Message + "\n" + ex.StackTrace);
         }

         _logger?.Debug($"{this.GetType().Name}::{System.Reflection.MethodBase.GetCurrentMethod().Name}() is exiting...");

      }

      /// <summary>
      /// Read power supply data and check for faults
      /// </summary>
      /// <param name=""></param>
      /// <returns></returns>
      private void ReadPowerSupplyData()
      {
         int pollRateMs = 1000;
         _logger?.Debug($"{this.GetType().Name}::{System.Reflection.MethodBase.GetCurrentMethod().Name}() is running...");

         try
         {
            Dictionary<Events, EventWaitHandle> eventDict = new Dictionary<Events, EventWaitHandle>();
            eventDict[Events.GLOBAL_QUIT] = Program.Instance().EventManager[EventManager.Events.GLOBAL_QUIT];
            eventDict[Events.QUIT] = _quitEvent;
            eventDict[Events.EVENT_TIMED_OUT] = null;

            EventGroup<Events, EventWaitHandle> eventGroup = new EventGroup<Events, EventWaitHandle>(eventDict);
            ManualControlWindow manualGui = (ManualControlWindow)Program.Instance().GuiManager[ProgramGuiManager.WINDOWS.MANUAL_CONTROL];
            while (true)
            {
               Events id = eventGroup.WaitAny(pollRateMs);

               if (id == Events.EVENT_TIMED_OUT)
               {
                  try
                  {
                     manualGui._manualWindowViewModel.GetPoweredModuleDataItemsSem().WaitOne();

                     List<string> moduleList = Program.Instance().MalMeasurementLibManager.PowerSupplyMeasurementManager.GetPowerModuleList();

                     foreach (string module in moduleList)
                     {
                        PowerData data = Program.Instance().MalMeasurementLibManager.PowerSupplyMeasurementManager.ReadPowerData(module);

                        if (data.IsOutputOn)
                        {
                           PowerModuleDataModel powerData = manualGui.GetPowerModuleDataFromDatagridDataItems(module);
                           if (powerData == null)
                           {
                              powerData = new PowerModuleDataModel();
                              powerData.Name = module;
                              powerData.PowerLed = manualGui._manualWindowViewModel._imageToResourcePathDict[ManualWindowViewModel.Images.LED_ON];

                              manualGui.Dispatcher.Invoke((Action)delegate
                              {
                                 // update datagrid
                                 manualGui._manualWindowViewModel._poweredModuleDataItems.Add(powerData);
                              });

                              powerData = manualGui.GetPowerModuleDataFromComboBoxDataItems(module);
                              if (powerData != null)
                              {
                                 // update combo box
                                 powerData.PowerLed = manualGui._manualWindowViewModel._imageToResourcePathDict[ManualWindowViewModel.Images.LED_ON];
                              }
                           }

                           BitArray statusReg = new BitArray(new int[] { data.FaultStatus });

                           bool ovpTriggeredInPowerSupply = statusReg[0];
                           bool ocpTriggeredInPowerSupply = statusReg[1];

                           if (ovpTriggeredInPowerSupply && ocpTriggeredInPowerSupply)
                           {
                              string errorMsg = String.Empty;

                              if (ovpTriggeredInPowerSupply)
                              {
                                 errorMsg = powerData.Name + "'s OVP circuitry has tripped";
                              }
                              else if (ocpTriggeredInPowerSupply)
                              {
                                 errorMsg = powerData.Name + "'s OCP circuitry has tripped";
                              }

                              throw new Exception(errorMsg);
                           }
                           else
                           {
                              powerData.ExpectedVoltage = data.VoltageSetpoint.ToString("0.00");
                              powerData.ActualVoltage = data.Voltage.ToString("0.00");
                              powerData.ActualCurrent = data.Current.ToString("0.00");
                           }
                        }
                        else
                        {

                           PowerModuleDataModel powerData = manualGui.GetPowerModuleDataFromDatagridDataItems(module);
                           if (powerData != null)
                           {
                              manualGui.Dispatcher.Invoke((Action)delegate
                              {
                                 // update datagrid
                                 manualGui._manualWindowViewModel._poweredModuleDataItems.Remove(powerData);
                              });
                           }

                           powerData = manualGui.GetPowerModuleDataFromComboBoxDataItems(module);
                           if (powerData != null)
                           {
                              // update combo box
                              powerData.PowerLed = manualGui._manualWindowViewModel._imageToResourcePathDict[ManualWindowViewModel.Images.LED_OFF];
                           }
                        }
                     }
                  }
                  catch (Exception)
                  {
                     throw;
                  }
                  finally
                  {
                     manualGui._manualWindowViewModel.GetPoweredModuleDataItemsSem().Release();
                  }
               }
               else
               {
                  try
                  {
                     manualGui._manualWindowViewModel.GetPoweredModuleDataItemsSem().WaitOne();

                     List<string> moduleList = Program.Instance().MalMeasurementLibManager.PowerSupplyMeasurementManager.GetPowerModuleList();

                     foreach (string module in moduleList)
                     {
                        PowerData data = Program.Instance().MalMeasurementLibManager.PowerSupplyMeasurementManager.ReadPowerData(module);

                        if (data.IsOutputOn)
                        {
                           Program.Instance().MalMeasurementLibManager.PowerSupplyMeasurementManager.OutputDisable(module);
                        }
                     }
                  }
                  catch (Exception)
                  {
                     throw;
                  }
                  finally
                  {
                     manualGui._manualWindowViewModel.GetPoweredModuleDataItemsSem().Release();
                  }

                  break;
               }
            }
         }
         catch (Exception)
         {
            throw;
         }

         _logger?.Debug($"{this.GetType().Name}::{System.Reflection.MethodBase.GetCurrentMethod().Name}() is exiting...");
      }
   }
}