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using MahApps.Metro.Controls;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Interop;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Tango.Core.DI;
using Tango.Core.Helpers;
using Tango.Logging;
using Tango.MachineStudio.Common;
using Tango.MachineStudio.Common.StudioApplication;
using Tango.Settings;

namespace Tango.MachineStudio.UI
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : MetroWindow
    {
        public static MainWindow Instance { get; set; }
        private LogManager LogManager = LogManager.Default;
        private bool _is_testing;

        public MainWindow()
        {
            //Timeline.DesiredFrameRateProperty.OverrideMetadata(typeof(Timeline), new FrameworkPropertyMetadata { DefaultValue = 40 });

            try
            {
                InitializeComponent();

                try
                {
                    _is_testing = TestHelper.IsRunningUnderTestStudio();
                }
                catch (Exception ex)
                {
                    LogManager.Log(ex, LogCategory.Warning, "An error occurred while trying to get the parent process of machine studio.");
                }

                if (!_is_testing)
                {
                    Viewbox box = new Viewbox();
                    box.Stretch = Stretch.Fill;
                    main_grid.Children.Remove(grid);
                    box.Child = grid;
                    main_grid.Children.Add(box);
                }

                WindowStartupLocation = WindowStartupLocation.Manual;

                var r = SettingsManager.Default.GetOrCreate<MachineStudioSettings>().LastBounds;

                if (r.Width > 0 && r.Height > 0)
                {
                    Left = r.Left;
                }

                Instance = this;
                ThreadsHelper.SetDisptacher(Dispatcher);

                Closing += MainWindow_Closing;
            }
            catch (Exception ex)
            {
                LogManager.Log(ex);
            }

            this.Loaded += MainWindow_Loaded;
            this.SizeChanged += MainWindow_SizeChanged;
            ContentRendered += MainWindow_ContentRendered;
        }

        private void MainWindow_ContentRendered(object sender, EventArgs e)
        {
            WindowState = WindowState.Maximized;

            Title = "MACHINE STUDIO " + TangoIOC.Default.GetInstance<IStudioApplicationManager>().Version.ToString(3);
        }

        private void MainWindow_SizeChanged(object sender, SizeChangedEventArgs e)
        {
            var screen = System.Windows.Forms.Screen.FromHandle(new WindowInteropHelper(this).Handle);

            double scr_width = screen.Bounds.Width;
            double scr_height = screen.Bounds.Height;

            double ratio = scr_width / scr_height;

            List<double> ratios = new List<double>() { 16d / 9d, 16d / 10d, 4d / 3d, 1366 / 768 };
            ratio = ratios.Closest(ratio);

            switch (ratio)
            {
                case 16d / 9d:
                    grid.Height = 1145;
                    grid.Width = 2000;
                    break;
                case 16d / 10d:
                    grid.Height = 1145;
                    grid.Width = 1920;
                    break;
                case 4d / 3d:
                    grid.Height = 1280;
                    grid.Width = 1920;
                    break;
                case 1366d / 768d:
                    grid.Height = 1100;
                    grid.Width = 1920;
                    break;
                default:
                    grid.Height = 1145;
                    grid.Width = 1920;
                    break;
            }
        }

        private void MainWindow_Loaded(object sender, RoutedEventArgs e)
        {
            //HwndSource hwndSource = PresentationSource.FromVisual(this) as HwndSource;
            //HwndTarget hwndTarget = hwndSource.CompositionTarget;
            //hwndTarget.RenderMode = RenderMode.SoftwareOnly;
        }

        private void MainWindow_Closing(object sender, System.ComponentModel.CancelEventArgs e)
        {
            e.Cancel = true;
            TangoIOC.Default.GetInstance<IStudioApplicationManager>().ShutDown();
        }
    }
}