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RAYTHEON PROPRIETARY: THIS DOCUMENT CONTAINS DATA OR INFORMATION
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AUTHORIZED BY RAYTHEON COMPANY IN WRITING TO USE IT. DISCLOSURE TO
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using System;
using System.Collections.Generic;
using System.IO;
using System.Text.RegularExpressions;
using System.Threading;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Threading;
using ProgramLib.GUI.ViewModel;

namespace ProgramLib.GUI.View
{
   /// <summary>
   /// Interaction logic for MainWindow.xaml
   /// </summary>
   internal partial class LiveDataWindow : Window
   {
      private enum Events
      {
         GLOBAL_QUIT,
         QUIT,
         UUT_POWER_ON,
         UUT_POWER_OFF,

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

      internal LiveDataWindowViewModel LiveDataWindowViewModel { get; set; }
      private DispatcherTimer _oneSecTimer;
      private DateTime _testDateTime;
      private DateTime? _powerOnDateTime = null;
      EventGroup<Events, EventWaitHandle> _eventGroup;

      public LiveDataWindow()
      {
         InitializeComponent();

         Uri iconUri = new Uri($"pack://application:,,,/{GetType().Assembly.GetName().Name};component/Resources/Icons/app.ico");
         this.Icon = BitmapFrame.Create(iconUri);

         WindowStartupLocation = System.Windows.WindowStartupLocation.CenterScreen;

         DateTime assemblyBuildDateTime = File.GetLastWriteTime(GetType().Assembly.Location);
         string assemblyBuildDateTimeStr = assemblyBuildDateTime.ToString("MM/dd/yyyy");

         Version appVersion = GetType().Assembly.GetName().Version;
         this.txtBlockAppTitle.Text += $" - {assemblyBuildDateTimeStr} - Version " + appVersion.Major.ToString() + "." + appVersion.Minor.ToString();

         LiveDataWindowViewModel = new LiveDataWindowViewModel(this);
         DataContext = LiveDataWindowViewModel;

         LiveDataWindowViewModel.LabelGradientAppControlledOrUnControlled = "Controlled";
         if (!Program.Instance().IsAppControlled)
         {
            LiveDataWindowViewModel.LabelGradientAppControlledOrUnControlled = "UnControlled";
         }

         LiveDataWindowViewModel.UutPowerLedImagePath = LiveDataWindowViewModel.ImageToResourcePathDict[LiveDataWindowViewModel.Images.LED_OFF];
         LiveDataWindowViewModel.W1CableImagePath = LiveDataWindowViewModel.ImageToResourcePathDict[LiveDataWindowViewModel.Images.LED_OFF];
         LiveDataWindowViewModel.W2CableImagePath = LiveDataWindowViewModel.ImageToResourcePathDict[LiveDataWindowViewModel.Images.LED_OFF];
         LiveDataWindowViewModel.W3CableImagePath = LiveDataWindowViewModel.ImageToResourcePathDict[LiveDataWindowViewModel.Images.LED_OFF];
         LiveDataWindowViewModel.W4CableImagePath = LiveDataWindowViewModel.ImageToResourcePathDict[LiveDataWindowViewModel.Images.LED_OFF];
         LiveDataWindowViewModel.W5CableImagePath = LiveDataWindowViewModel.ImageToResourcePathDict[LiveDataWindowViewModel.Images.LED_OFF];

         if (Program.Instance().IsThereHardware)
         {
            LiveDataWindowViewModel.TePowerLedImagePath = LiveDataWindowViewModel.ImageToResourcePathDict[LiveDataWindowViewModel.Images.LED_ON];
         }
         else
         {
            simModeBdr.BorderThickness = new Thickness(1);
            runModeTb.Margin = new Thickness(5, 0, 5, 0);
            runModeTb.Text = "Simulation Mode";
            LiveDataWindowViewModel.TePowerLedImagePath = LiveDataWindowViewModel.ImageToResourcePathDict[LiveDataWindowViewModel.Images.LED_OFF];
         }

         Dictionary<Events, EventWaitHandle> eventDict = new Dictionary<Events, EventWaitHandle>();
         eventDict = new Dictionary<Events, EventWaitHandle>();
         eventDict[Events.UUT_POWER_ON] = Program.Instance().EventManager[EventManager.Events.UUT_POWER_ON];
         eventDict[Events.UUT_POWER_OFF] = Program.Instance().EventManager[EventManager.Events.UUT_POWER_OFF];
         eventDict[Events.EVENT_TIMED_OUT] = null;

         _eventGroup = new EventGroup<Events, EventWaitHandle>(eventDict);

         _oneSecTimer = new DispatcherTimer();
         _oneSecTimer.Interval = TimeSpan.FromMilliseconds(1000);
         _oneSecTimer.Tick += new EventHandler(Timer_Tick);
         _oneSecTimer.Start();

         _testDateTime = DateTime.Now;

         CheckDriveCapacity(Program.Instance().FileAndFolderManager.GetFolder(FileAndFolderManager.Folders.DATA_TEST));
         ShowConnecterdUut();
         ShowConnecterdCable();
      }

      ~LiveDataWindow()
      {
         _oneSecTimer?.Stop();
      }

      /// <summary>
      /// Show drive capacity
      /// </summary>
      private void CheckDriveCapacity(string driveNameOrPath)
      {
         bDataDriveTotalCapacityBarGraph.Width = 190;
         tbDataDriveUsedCapacityBarGraph.Text = $"Can't get info for {driveNameOrPath}";
         tbDataDriveUsedCapacityBarGraph.Foreground = new SolidColorBrush(Colors.Red);
         string freeSpaceColorCode = "#007AD7";
         if (driveNameOrPath.Length < 3)
         {
            driveNameOrPath += "\\";
         }
         foreach (DriveInfo drive in DriveInfo.GetDrives())
         {
            if (drive.IsReady && Regex.IsMatch(driveNameOrPath, Regex.Escape(drive.Name), RegexOptions.IgnoreCase))
            {
               // text color
               tbDataDriveUsedCapacityBarGraph.Foreground = new SolidColorBrush(Colors.White);

               long freeSpacePercentage = (long)(((double)drive.TotalFreeSpace / (double)drive.TotalSize) * 100.0);
               int freeSpaceThreadHoldPercent = 20;
               tbDataDriveUsedCapacityBarGraph.Width = ((double)(100 - freeSpacePercentage) / 100.0) * bDataDriveTotalCapacityBarGraph.Width;
               if (freeSpacePercentage >= freeSpaceThreadHoldPercent)
               {
                  tbDataDriveUsedCapacityBarGraph.Background = new SolidColorBrush((System.Windows.Media.Color)System.Windows.Media.ColorConverter.ConvertFromString(freeSpaceColorCode));
               }
               else
               {
                  tbDataDriveUsedCapacityBarGraph.Background = new SolidColorBrush(Colors.Red);

               }

               tbDataDriveUsedCapacityBarGraph.Text = driveNameOrPath.Substring(0, 2) + "\\";

               tbDataDriveCapacityDetails.Text = $"{DescribeLargestDriveStorageSize(drive.TotalFreeSpace)} free of {DescribeLargestDriveStorageSize(drive.TotalSize)}";
               break;
            }
         }
      }

      /// <summary>
      /// Describe largest unit size of drive storage
      /// </summary>
      private string DescribeLargestDriveStorageSize(long byteCount)
      {
         string size = "";

         UInt64 oneKb = 1024;
         UInt64 oneMb = oneKb * oneKb;
         UInt64 oneGb = oneMb * oneKb;
         UInt64 oneTb = oneGb * oneKb;

         long kilobytes = (long)((double)((ulong)byteCount % oneMb) / (double)oneKb);
         long megabytes = (long)((double)((ulong)byteCount % oneGb) / (double)oneMb);
         long gigabytes = (long)((double)((ulong)byteCount % oneTb) / (double)oneGb);
         long terabytes = (long)((double)(ulong)byteCount / (double)oneTb);

         if (terabytes > 0)
         {
            size = $"{terabytes.ToString()} TB";
         }
         else if (gigabytes > 0)
         {
            size = $"{gigabytes.ToString()} GB";
         }
         else if (megabytes > 0)
         {
            size = $"{megabytes.ToString()} MB";
         }
         else if (kilobytes > 0)
         {
            size = $"{kilobytes.ToString()} KB";
         }
         else
            size = $"{byteCount.ToString()} B";

         return size;
      }

      /// <summary>
      /// Show running test time and power on time
      /// </summary>
      private void Timer_Tick(object sender, EventArgs e)
      {
         TimeSpan ts = DateTime.Now - _testDateTime;
         LiveDataWindowViewModel.TestTimeStr = ProgramLib.Util.DescribeTimeElapsed(ts);

         Events id = _eventGroup.WaitAny(0);
         if (id == Events.UUT_POWER_ON)
         {
            if (_powerOnDateTime == null)
            {
               _powerOnDateTime = DateTime.Now;
            }
            ts = DateTime.Now - (DateTime)_powerOnDateTime;
            LiveDataWindowViewModel.PowerOnTimeStr = ProgramLib.Util.DescribeTimeElapsed(ts);
         }
         else if (id == Events.UUT_POWER_OFF && _powerOnDateTime != null)
         {
            _powerOnDateTime = null;
            LiveDataWindowViewModel.PowerOnTimeStr = "---";
         }
      }

      /// <summary>
      /// Show which UUT is connected on th GUI
      /// </summary>
      private void ShowConnecterdUut()
      {
         string uutBuildLevel = "NO UUT";
         if (Program.Instance().UutInfo.UutBuildLevel == UutInfo.BuildLevel.GMA)
         {
            uutBuildLevel = "Guided Missile Assem. (GMA)";
         }
         else if (Program.Instance().UutInfo.UutBuildLevel == UutInfo.BuildLevel.AUR)
         {
            uutBuildLevel = "All-Up-Round (AUR)";
         }
         else if (Program.Instance().UutInfo.UutBuildLevel == UutInfo.BuildLevel.SELF_TEST)
         {
            uutBuildLevel = "Self-Test Cable";
         }
         TextBlock textBlock = new TextBlock();
         textBlock.Text = uutBuildLevel;
         textBlock.FontWeight = FontWeights.Bold;
         textBlock.FontSize = 16;
         textBlock.HorizontalAlignment = HorizontalAlignment.Center;

         connectedUutSp.Children.Add(textBlock);

         if (Program.Instance().UutInfo.UutBuildLevel == UutInfo.BuildLevel.AUR || Program.Instance().UutInfo.UutBuildLevel == UutInfo.BuildLevel.GMA)
         {
            System.Windows.Controls.Image image = new System.Windows.Controls.Image();
            BitmapImage myImageSource = new BitmapImage();
            myImageSource.BeginInit();

            textBlock.FontSize = 14;

            int imageWidth = 154;
            int imageHeight = 30;
            if (Program.Instance().UutInfo.UutBuildLevel == UutInfo.BuildLevel.GMA)
            {
               myImageSource.UriSource = new Uri($"pack://application:,,,/{GetType().Assembly.GetName().Name};component/Resources/Images/gma.png");
               imageWidth = 148;
               imageHeight = 20;
            }
            else
               myImageSource.UriSource = new Uri($"pack://application:,,,/{GetType().Assembly.GetName().Name};component/Resources/Images/aur.png");

            myImageSource.EndInit();
            image.Source = myImageSource;

            image.Width = imageWidth;
            image.Height = imageHeight;
            image.Margin = new Thickness(0, 5, 0, 0);

            connectedUutSp.Children.Add(image);
         }
      }

      /// <summary>
      /// Show which cable is connected on th GUI
      /// </summary>
      private void ShowConnecterdCable()
      {
         var brushConverter = new BrushConverter();

         missileModeBdr.BorderThickness = new Thickness(0, 1, 0, 0);
         if (Program.Instance().UutInfo.UniversalCableId == UutInfo.UniversalCable.W1)
         {
            LiveDataWindowViewModel.W1CableImagePath = LiveDataWindowViewModel.ImageToResourcePathDict[LiveDataWindowViewModel.Images.LED_ON];

            missileModeBdr.BorderBrush = (System.Windows.Media.Brush)brushConverter.ConvertFrom("#DCC3AD");
            missileModeBdr.Background = (System.Windows.Media.Brush)brushConverter.ConvertFrom("#FDE6AE");

            missileModeTb.Foreground = (System.Windows.Media.Brush)brushConverter.ConvertFrom("#A4530D");

            missileModeTb.Text = "Maintenance Mode";
         }
         else if (Program.Instance().UutInfo.UniversalCableId == UutInfo.UniversalCable.W2)
         {
            LiveDataWindowViewModel.W2CableImagePath = LiveDataWindowViewModel.ImageToResourcePathDict[LiveDataWindowViewModel.Images.LED_ON];

            missileModeBdr.BorderBrush = (System.Windows.Media.Brush)brushConverter.ConvertFrom("#94D487");
            missileModeBdr.Background = (System.Windows.Media.Brush)brushConverter.ConvertFrom("#DBFFD7");

            missileModeTb.Foreground = (System.Windows.Media.Brush)brushConverter.ConvertFrom("#1C7F08");

            missileModeTb.Text = "Tactical Mode";
         }

         if (Program.Instance().UutInfo.UutBuildLevel == UutInfo.BuildLevel.SELF_TEST)
         {
            LiveDataWindowViewModel.W5CableImagePath = LiveDataWindowViewModel.ImageToResourcePathDict[LiveDataWindowViewModel.Images.LED_ON];
         }

         if (Program.Instance().UutInfo.SacrificialCableId == UutInfo.SacrificialCable.W3)
         {
            LiveDataWindowViewModel.W3CableImagePath = LiveDataWindowViewModel.ImageToResourcePathDict[LiveDataWindowViewModel.Images.LED_ON];
         }
         else if (Program.Instance().UutInfo.SacrificialCableId == UutInfo.SacrificialCable.W4)
         {
            LiveDataWindowViewModel.W4CableImagePath = LiveDataWindowViewModel.ImageToResourcePathDict[LiveDataWindowViewModel.Images.LED_ON];
         }
      }

      private void btnClose_Click(object sender, RoutedEventArgs e)
      {
         this.Hide();
      }

      private void btnMax_Click(object sender, RoutedEventArgs e)
      {
         if (this.WindowState == WindowState.Maximized)
         {
            this.WindowState = WindowState.Normal;
            imgMax.Source = new BitmapImage(new System.Uri($"pack://application:,,,/{GetType().Assembly.GetName().Name};component/Resources/Images/Title_Bar_Buttons/maximize.png"));
         }
         else
         {
            this.WindowState = WindowState.Maximized;
            imgMax.Source = new BitmapImage(new System.Uri($"pack://application:,,,/{GetType().Assembly.GetName().Name};component/Resources/Images/Title_Bar_Buttons/restore.png"));
         }
      }

      private void btnMin_Click(object sender, RoutedEventArgs e)
      {
         this.WindowState = WindowState.Minimized;
      }

      private void Window_MouseLeftButtonDown(object sender, System.Windows.Input.MouseButtonEventArgs e)
      {
         DragMove();
      }

      private void dataLocationMi_Click(object sender, RoutedEventArgs e)
      {
         DataLocationWindow window = new DataLocationWindow();
         window.ShowDialog();
      }

      private void manualControlGuiMi_Click(object sender, RoutedEventArgs e)
      {
         this.Hide();
         ((ManualControlWindow)Program.Instance().GuiManager[ProgramGuiManager.WINDOWS.MANUAL_CONTROL]).LiveDataWindow = this;
         Program.Instance().GuiManager[ProgramGuiManager.WINDOWS.MANUAL_CONTROL].Show();
      }
   }
}