PicView/src/PicView.Avalonia/UI/FunctionsHelper.cs

using System.Runtime.InteropServices;
using Avalonia;
using Avalonia.Controls.ApplicationLifetimes;
using Avalonia.Threading;
using PicView.Avalonia.Clipboard;
using PicView.Avalonia.ColorManagement;
using PicView.Avalonia.Crop;
using PicView.Avalonia.FileSystem;
using PicView.Avalonia.Gallery;
using PicView.Avalonia.ImageHandling;
using PicView.Avalonia.ImageTransformations;
using PicView.Avalonia.Navigation;
using PicView.Avalonia.SettingsManagement;
using PicView.Avalonia.ViewModels;
using PicView.Avalonia.WindowBehavior;
using PicView.Core.FileHandling;
using PicView.Core.ImageDecoding;
using PicView.Core.ProcessHandling;

namespace PicView.Avalonia.UI;

public static class FunctionsHelper
{
    public static MainViewModel? Vm;

    public static Task<Func<Task>> GetFunctionByName(string functionName)
    {
        // Remember to have exact matching names, or it will be null
        return Task.FromResult<Func<Task>>(functionName switch
        {
            // Navigation values
            "Next" => Next,
            "Prev" => Prev,
            "NextFolder" => NextFolder,
            "PrevFolder" => PrevFolder,
            "Up" => Up,
            "Down" => Down,
            "Last" => Last,
            "First" => First,
            "Next10" => Next10,
            "Prev10" => Prev10,
            "Next100" => Next100,
            "Prev100" => Prev100,
            
            // Rotate
            "RotateLeft" => RotateLeft,
            "RotateRight" => RotateRight,

            // Scroll
            "ScrollUp" => ScrollUp,
            "ScrollDown" => ScrollDown,
            "ScrollToTop" => ScrollToTop,
            "ScrollToBottom" => ScrollToBottom,

            // Zoom
            "ZoomIn" => ZoomIn,
            "ZoomOut" => ZoomOut,
            "ResetZoom" => ResetZoom,
            "ChangeCtrlZoom" => ChangeCtrlZoom,

            // Toggles
            "ToggleScroll" => ToggleScroll,
            "ToggleLooping" => ToggleLooping,
            "ToggleGallery" => ToggleGallery,

            // Scale Window
            "AutoFitWindow" => AutoFitWindow,
            "AutoFitWindowAndStretch" => AutoFitWindowAndStretch,
            "NormalWindow" => NormalWindow,
            "NormalWindowAndStretch" => NormalWindowAndStretch,

            // Window functions
            "Fullscreen" => Fullscreen,
            "ToggleFullscreen" => ToggleFullscreen,
            "SetTopMost" => SetTopMost,
            "Close" => Close,
            "ToggleInterface" => ToggleInterface,
            "NewWindow" => NewWindow,
            "Center" => Center,
            "Maximize" => Maximize,

            // Windows
            "AboutWindow" => AboutWindow,
            "EffectsWindow" => EffectsWindow,
            "ImageInfoWindow" => ImageInfoWindow,
            "ResizeWindow" => ResizeWindow,
            "SettingsWindow" => SettingsWindow,
            "KeybindingsWindow" => KeybindingsWindow,
            "BatchResizeWindow" => BatchResizeWindow,

            // Open functions
            "Open" => Open,
            "OpenWith" => OpenWith,
            "OpenInExplorer" => OpenInExplorer,
            "Save" => Save,
            "SaveAs" => SaveAs,
            "Print" => Print,
            "Reload" => Reload,

            // Copy functions
            "CopyFile" => CopyFile,
            "CopyFilePath" => CopyFilePath,
            "CopyImage" => CopyImage,
            "CopyBase64" => CopyBase64,
            "DuplicateFile" => DuplicateFile,
            "CutFile" => CutFile,
            "Paste" => Paste,

            // File functions
            "DeleteFile" => DeleteFile,
            "DeleteFilePermanently" => DeleteFilePermanently,
            "Rename" => Rename,
            "ShowFileProperties" => ShowFileProperties,

            // Image functions
            "ResizeImage" => ResizeImage,
            "Crop" => Crop,
            "Flip" => Flip,
            "OptimizeImage" => OptimizeImage,
            "Stretch" => Stretch,

            // Set stars
            "Set0Star" => Set0Star,
            "Set1Star" => Set1Star,
            "Set2Star" => Set2Star,
            "Set3Star" => Set3Star,
            "Set4Star" => Set4Star,
            "Set5Star" => Set5Star,
            
            // Background and lock screen image
            "SetAsLockScreen" => SetAsLockScreen,
            "SetAsLockscreenCentered" => SetAsLockscreenCentered,
            "SetAsWallpaper" => SetAsWallpaper,
            "SetAsWallpaperFitted" => SetAsWallpaperFitted,
            "SetAsWallpaperStretched" => SetAsWallpaperStretched,
            "SetAsWallpaperFilled" => SetAsWallpaperFilled,
            "SetAsWallpaperCentered" => SetAsWallpaperCentered,
            "SetAsWallpaperTiled" => SetAsWallpaperTiled,

            // Misc
            "ChangeBackground" => ChangeBackground,
            "SideBySide" => SideBySide,
            "GalleryClick" => GalleryClick,
            "Slideshow" => Slideshow,
            "ColorPicker" => ColorPicker,
            "Restart" => Restart,

            _ => null
        });
    }

    #region Functions

    #region Menus

    public static Task CloseMenus()
    {
        if (Vm is null)
        {
            return Task.CompletedTask;
        }
        UIHelper.CloseMenus(Vm);
        return Task.CompletedTask;
    }

    public static Task ToggleFileMenu()
    {
        if (Vm is null)
        {
            return Task.CompletedTask;
        }
        UIHelper.ToggleFileMenu(Vm);
        return Task.CompletedTask;
    }

    public static Task ToggleImageMenu()
    {
        if (Vm is null)
        {
            return Task.CompletedTask;
        }
        UIHelper.ToggleImageMenu(Vm);
        return Task.CompletedTask;
    }

    public static Task ToggleSettingsMenu()
    {
        if (Vm is null)
        {
            return Task.CompletedTask;
        }
        UIHelper.ToggleSettingsMenu(Vm);
        return Task.CompletedTask;
    }

    public static Task ToggleToolsMenu()
    {
        if (Vm is null)
        {
            return Task.CompletedTask;
        }
        UIHelper.ToggleToolsMenu(Vm);
        return Task.CompletedTask;
    }

    #endregion Menus

    #region Navigation, zoom and rotation

    public static async Task Next()
    {
        await NavigationHelper.Iterate(next: true, Vm);
    }
    
    public static async Task NextFolder()
    {
        await NavigationHelper.GoToNextFolder(true, Vm);
    }
    
    public static async Task Last()
    {
        await NavigationHelper.NavigateFirstOrLast(last: true, Vm);
    }

    public static async Task Prev()
    {
        await NavigationHelper.Iterate(next: false, Vm);
    }
    
    public static async Task PrevFolder()
    {
        await NavigationHelper.GoToNextFolder(false, Vm);
    }

    public static async Task First()
    {
        await NavigationHelper.NavigateFirstOrLast(last: false, Vm);
    }
    
    public static async Task Next10()
    {
        await NavigationHelper.Next10(Vm).ConfigureAwait(false);
    }
    
    public static async Task Next100()
    {
        await NavigationHelper.Next100(Vm).ConfigureAwait(false);
    }
    
    public static async Task Prev10()
    {
        await NavigationHelper.Prev10(Vm).ConfigureAwait(false);
    }
    
    public static async Task Prev100()
    {
        await NavigationHelper.Prev100(Vm).ConfigureAwait(false);
    }
    

    public static async Task Up()
    {
        await UIHelper.NavigateUp(Vm);
    }

    public static async Task RotateRight()
    {
        await Rotation.RotateRight(Vm);
    }

    public static async Task RotateLeft()
    {
        await Rotation.RotateLeft(Vm);
    }

    public static async Task Down()
    {
        await UIHelper.NavigateDown(Vm);
    }
    
    public static async Task ScrollDown()
    {
        await Dispatcher.UIThread.InvokeAsync(() =>
        {
            Vm.ImageViewer.ImageScrollViewer.LineDown();
        });
    }
    
    public static async Task ScrollUp()
    {
        await Dispatcher.UIThread.InvokeAsync(() =>
        {
            Vm.ImageViewer.ImageScrollViewer.LineUp();
        });
    }

    public static async Task ScrollToTop()
    {
        await Dispatcher.UIThread.InvokeAsync(() =>
        {
            Vm.ImageViewer.ImageScrollViewer.ScrollToHome();
        });
    }

    public static async Task ScrollToBottom()
    {
        await Dispatcher.UIThread.InvokeAsync(() =>
        {
            Vm.ImageViewer.ImageScrollViewer.ScrollToEnd();
        });
    }

    public static async Task ZoomIn()
    {
        if (Vm is null)
        {
            return;
        }
        await Dispatcher.UIThread.InvokeAsync(Vm.ImageViewer.ZoomIn);
    }

    public static async Task ZoomOut()
    {
        if (Vm is null)
        {
            return;
        }
        await Dispatcher.UIThread.InvokeAsync(Vm.ImageViewer.ZoomOut);
    }

    public static async Task ResetZoom()
    {
        if (Vm is null)
        {
            return;
        }
        await Dispatcher.UIThread.InvokeAsync(() => Vm.ImageViewer.ResetZoom(true));
    }
    
    #endregion

    #region Toggle UI functions

    public static async Task ToggleScroll()
    {
        await SettingsUpdater.ToggleScroll(Vm).ConfigureAwait(false);
    }

    public static async Task ChangeCtrlZoom()
    {
        await SettingsUpdater.ToggleCtrlZoom(Vm).ConfigureAwait(false);
    }

    public static async Task ToggleLooping()
    {
        await SettingsUpdater.ToggleLooping(Vm).ConfigureAwait(false);
    }
    
    public static async Task ToggleInterface()
    {
        await HideInterfaceLogic.ToggleUI(Vm).ConfigureAwait(false);
    }
    
    public static async Task ToggleSubdirectories()
    {
        await SettingsUpdater.ToggleSubdirectories(vm: Vm).ConfigureAwait(false);
    }
    
    public static async Task ToggleBottomToolbar()
    {
        if (Vm is null)
        {
            return;
        }
        await HideInterfaceLogic.ToggleBottomToolbar(Vm).ConfigureAwait(false);
    }
    
    public static async Task ToggleTaskbarProgress()
    {
        await SettingsUpdater.ToggleTaskbarProgress(Vm).ConfigureAwait(false);
    }
    
    #endregion

    #region Gallery functions

    public static Task ToggleGallery()
    {
        GalleryFunctions.ToggleGallery(Vm);
        return Task.CompletedTask;
    }

    public static Task OpenCloseBottomGallery()
    {
        GalleryFunctions.OpenCloseBottomGallery(Vm);
        return Task.CompletedTask;
    }
    
    public static Task CloseGallery()
    {
        GalleryFunctions.CloseGallery(Vm);
        return Task.CompletedTask;
    }
    
    public static async Task GalleryClick()
    {
        await GalleryNavigation.GalleryClick(Vm);
    }

    #endregion
    
    #region Windows and window functions

    public static async Task ShowStartUpMenu()
    {
        await Dispatcher.UIThread.InvokeAsync(() =>
        {
            ErrorHandling.ShowStartUpMenu(Vm);
        });
    }
    
    public static async Task Close()
    {
        if (Vm is null)
        {
            return;
        }
        await UIHelper.Close(Vm);
    }
    
    public static async Task Center()
    {
        await Dispatcher.UIThread.InvokeAsync(() =>
        {
            UIHelper.Center(Vm);
        });
    }
    
    public static async Task Maximize()
    {
        await WindowFunctions.MaximizeRestore();
    }

    public static async Task NewWindow()
    {        
        await Task.Run(ProcessHelper.StartNewProcess);
    }

    public static Task AboutWindow()
    {
        Vm?.PlatformService?.ShowAboutWindow();
        return Task.CompletedTask;
    }

    public static Task KeybindingsWindow()
    {
        Vm?.PlatformService?.ShowKeybindingsWindow();
        return Task.CompletedTask;
    }

    public static Task EffectsWindow()
    {
        Vm?.PlatformService?.ShowEffectsWindow();
        return Task.CompletedTask;
    }

    public static Task ImageInfoWindow()
    {
        Vm.PlatformService.ShowExifWindow();
        return Task.CompletedTask;
    }

    public static Task ResizeWindow()
    {
        Vm?.PlatformService?.ShowSingleImageResizeWindow();
        return Task.CompletedTask;
    }
    
    public static Task BatchResizeWindow()
    {
        Vm?.PlatformService?.ShowBatchResizeWindow();
        return Task.CompletedTask;
    }

    public static Task SettingsWindow()
    {
        Vm?.PlatformService.ShowSettingsWindow();
        return Task.CompletedTask;
    }
    
    #endregion Windows

    #region Image Scaling and Window Behavior
    
    public static async Task Stretch()
    {
        await WindowFunctions.Stretch(Vm);
    }
    public static async Task AutoFitWindow()
    {
        await WindowFunctions.ToggleAutoFit(Vm);
    }

    public static async Task AutoFitWindowAndStretch()
    {
        await WindowFunctions.AutoFitAndStretch(Vm);
    }

    public static async Task NormalWindow()
    {
        await WindowFunctions.NormalWindow(Vm);
    }

    public static async Task NormalWindowAndStretch()
    {
        await WindowFunctions.NormalWindowStretch(Vm);
    }

    public static async Task ToggleFullscreen()
    {
        if (Vm is null)
        {
            return;
        }

        await WindowFunctions.ToggleFullscreen(Vm);
    }
    
    public static Task Fullscreen()
    {
        if (Vm is null)
        {
            return Task.CompletedTask;
        }

        WindowFunctions.Fullscreen(Vm, Application.Current?.ApplicationLifetime as IClassicDesktopStyleApplicationLifetime);
        return Task.CompletedTask;
    }

    public static async Task SetTopMost()
    {
        if (Vm is null)
        {
            return;
        }

        await WindowFunctions.ToggleTopMost(Vm);
    }

    #endregion

    #region File funnctions

    public static async Task OpenLastFile()
    {
        if (Vm is null)
        {
            return;
        }

        await FileHistoryNavigation.OpenLastFileAsync(Vm).ConfigureAwait(false);
    }

    public static async Task OpenPreviousFileHistoryEntry()
    {
        if (Vm is null)
        {
            return;
        }

        await FileHistoryNavigation.PrevAsync(Vm).ConfigureAwait(false);
    }
    public static async Task OpenNextFileHistoryEntry()
    {
        if (Vm is null)
        {
            return;
        }

        await FileHistoryNavigation.NextAsync(Vm).ConfigureAwait(false);
    }
    
    public static async Task Print()
    {
        await Task.Run(() =>
        {
            Vm?.PlatformService?.Print(Vm.FileInfo?.FullName);
        });
    }

    public static async Task Open()
    {
        await FilePicker.SelectAndLoadFile(Vm);
    }

    public static Task OpenWith()
    {
        Vm?.PlatformService?.OpenWith(Vm.FileInfo?.FullName);
        return Task.CompletedTask;
    }

    public static Task OpenInExplorer()
    {
        Vm?.PlatformService?.LocateOnDisk(Vm.FileInfo?.FullName);
        return Task.CompletedTask;
    }

    public static async Task Save()
    {
        await FileSaverHelper.SaveCurrentFile(Vm);
    }
    
    public static async Task SaveAs()
    {
        await FileSaverHelper.SaveFileAs(Vm);
    }
    
    public static async Task DeleteFile()
    {
        if (Vm is null)
        {
            return;
        }

        await FileManager.DeleteFile(true, Vm);
    }
    
    public static async Task DeleteFilePermanently()
    {
        if (Vm is null)
        {
            return;
        }

        await FileManager.DeleteFile(false, Vm);
    }

    public static async Task Rename()
    {
        await Dispatcher.UIThread.InvokeAsync(() =>
        {
            UIHelper.GetEditableTitlebar.SelectFileName();
        });
    }
    
    public static async Task ShowFileProperties()
    {
        await Task.Run(() => Vm?.PlatformService?.ShowFileProperties(Vm.FileInfo?.FullName));
    }
    
    #endregion

    #region Copy and Paste functions

    public static async Task CopyFile()
    {
        await ClipboardHelper.CopyFileToClipboard(Vm?.FileInfo?.FullName, Vm);
    }

    public static async Task CopyFilePath()
    {
        await ClipboardHelper.CopyTextToClipboard(Vm?.FileInfo?.FullName);
    }

    public static async Task CopyImage()
    {
        if (Vm is null)
        {
            return;
        }
        await ClipboardHelper.CopyImageToClipboard(Vm);
    }

    public static async Task CopyBase64()
    {
        if (Vm is null)
        {
            return;
        }
        await ClipboardHelper.CopyBase64ToClipboard(Vm.FileInfo?.FullName, vm: Vm);
    }

    public static async Task DuplicateFile()
    {
        await ClipboardHelper.Duplicate(Vm).ConfigureAwait(false);
    }

    public static async Task CutFile()
    {
        if (Vm is null)
        {
            return;
        }
        await ClipboardHelper.CutFile(Vm.FileInfo.FullName, Vm);
    }

    public static async Task Paste()
    {
        if (Vm is null)
        {
            return;
        }
        await ClipboardHelper.Paste(Vm);
    }
    
    #endregion

    #region Image Functions
    
    public static async Task ChangeBackground()
    {
        if (Vm is null)
        {
            return;
        }
        
        BackgroundManager.ChangeBackground(Vm);
        await SaveSettingsAsync();
    }
    
    public static async Task SideBySide()
    {
        await SettingsUpdater.ToggleSideBySide(Vm);
    }
    
    public static async Task Reload()
    {
        if (Vm is null)
        {
            return;
        }
        await ErrorHandling.ReloadAsync(Vm);
    }

    public static Task ResizeImage()
    {
        Vm?.PlatformService?.ShowSingleImageResizeWindow();
        return Task.CompletedTask;
    }

    public static async Task Crop()
    {
        await Dispatcher.UIThread.InvokeAsync(() => CropFunctions.Init(Vm));
    }

    public static Task Flip()
    {
        ImageControl.Flip(Vm);
        return Task.CompletedTask;
    }

    public static async Task OptimizeImage()
    {
        await ImageHelper.OptimizeImage(Vm);
    }

    public static async Task Slideshow()
    {
        await Navigation.Slideshow.StartSlideshow(Vm);
    }

    public static Task ColorPicker()
    {
        return Task.CompletedTask;
    }
    
    #endregion

    #region Sorting

    public static async Task SortFilesByName()
    {
        if (Vm?.PlatformService is null)
        {
            return;
        }
        await FileListManager.UpdateFileList(Vm.PlatformService, Vm, FileListHelper.SortFilesBy.Name);
    }

    public static async Task SortFilesByCreationTime()
    {
        if (Vm?.PlatformService is null)
        {
            return;
        }
        await FileListManager.UpdateFileList(Vm?.PlatformService, Vm, FileListHelper.SortFilesBy.CreationTime);
    }

    public static async Task SortFilesByLastAccessTime()
    {
        if (Vm?.PlatformService is null)
        {
            return;
        }
        await FileListManager.UpdateFileList(Vm?.PlatformService, Vm, FileListHelper.SortFilesBy.LastAccessTime);
    }

    public static async Task SortFilesByLastWriteTime()
    {
        if (Vm?.PlatformService is null)
        {
            return;
        }
        await FileListManager.UpdateFileList(Vm?.PlatformService, Vm, FileListHelper.SortFilesBy.LastWriteTime);
    }

    public static async Task SortFilesBySize()
    {
        if (Vm?.PlatformService is null)
        {
            return;
        }
        await FileListManager.UpdateFileList(Vm?.PlatformService, Vm, FileListHelper.SortFilesBy.FileSize);
    }

    public static async Task SortFilesByExtension()
    {
        if (Vm?.PlatformService is null)
        {
            return;
        }
        await FileListManager.UpdateFileList(Vm?.PlatformService, Vm, FileListHelper.SortFilesBy.Extension);
    }

    public static async Task SortFilesRandomly()
    {
        if (Vm?.PlatformService is null)
        {
            return;
        }
        await FileListManager.UpdateFileList(Vm?.PlatformService, Vm, FileListHelper.SortFilesBy.Random);
    }

    public static async Task SortFilesAscending()
    {
        if (Vm?.PlatformService is null)
        {
            return;
        }
        await FileListManager.UpdateFileList(Vm?.PlatformService, Vm, ascending: true);
    }

    public static async Task SortFilesDescending()
    {
        if (Vm?.PlatformService is null)
        {
            return;
        }
        await FileListManager.UpdateFileList(Vm?.PlatformService, Vm, ascending: false);
    }

    #endregion Sorting

    #region Rating

    public static async Task Set0Star()
    {
        if (Vm is null)
        {
            return;
        }

        await Task.Run(() => { EXIFHelper.SetEXIFRating(Vm.FileInfo.FullName, 0); });
        Vm.EXIFRating = 0;
    }

    public static async Task Set1Star()
    {
        if (Vm is null)
        {
            return;
        }

        await Task.Run(() => { EXIFHelper.SetEXIFRating(Vm.FileInfo.FullName, 1); });
        Vm.EXIFRating = 1;
    }

    public static async Task Set2Star()
    {
        if (Vm is null)
        {
            return;
        }
        await Task.Run(() => { EXIFHelper.SetEXIFRating(Vm.FileInfo.FullName, 2); });
        Vm.EXIFRating = 2;
    }

    public static async Task Set3Star()
    {
        if (Vm is null)
        {
            return;
        }
        await Task.Run(() => { EXIFHelper.SetEXIFRating(Vm.FileInfo.FullName, 3); });
        Vm.EXIFRating = 3;
    }

    public static async Task Set4Star()
    {
        if (Vm is null)
        {
            return;
        }
        await Task.Run(() => { EXIFHelper.SetEXIFRating(Vm.FileInfo.FullName, 4); });
        Vm.EXIFRating = 4;
    }

    public static async Task Set5Star()
    {
        if (Vm is null)
        {
            return;
        }
        await Task.Run(() => { EXIFHelper.SetEXIFRating(Vm.FileInfo.FullName, 5); });
        Vm.EXIFRating = 5;
    }

    #endregion

    #region Open GPS link

    public static async Task OpenGoogleMaps()
    {
        if (Vm is null)
        {
            return;
        }
        if (string.IsNullOrEmpty(Vm.GoogleLink))
        {
            return;
        }

        await Task.Run(() => ProcessHelper.OpenLink(Vm.GoogleLink));
    }
    
    public static async Task OpenBingMaps()
    {
        if (Vm is null)
        {
            return;
        }
        if (string.IsNullOrEmpty(Vm.BingLink))
        {
            return;
        }

        await Task.Run(() => ProcessHelper.OpenLink(Vm.BingLink));
    }

    #endregion

    #region Wallpaper and lockscreen image
    
    public static async Task SetAsWallpaper()
    {
        if (Vm is null)
        {
            return;
        }

        if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
        {
            await SetAsWallpaperFilled();
        }
        // TODO: Add setting wallpaper support for macOS
    }

    public static async Task SetAsWallpaperTiled()
    {
        if (Vm is null)
        {
            return;
        }
        await Task.Run(() => Vm.PlatformService.SetAsWallpaper(Vm.FileInfo.FullName, 0));
    }
    
    public static async Task SetAsWallpaperCentered()
    {
        if (Vm is null)
        {
            return;
        }
        await Task.Run(() => Vm.PlatformService.SetAsWallpaper(Vm.FileInfo.FullName, 1));
    }
    
    public static async Task SetAsWallpaperStretched()
    {
        if (Vm is null)
        {
            return;
        }
        await Task.Run(() => Vm.PlatformService.SetAsWallpaper(Vm.FileInfo.FullName, 2));
    }
    
    public static async Task SetAsWallpaperFitted()
    {
        if (Vm is null)
        {
            return;
        }
        await Task.Run(() => Vm.PlatformService.SetAsWallpaper(Vm.FileInfo.FullName, 3));
    }
    
    public static async Task SetAsWallpaperFilled()
    {
        if (Vm is null)
        {
            return;
        }
        await Task.Run(() => Vm.PlatformService.SetAsWallpaper(Vm.FileInfo.FullName, 4));
    }
    
    public static async Task SetAsLockscreenCentered()
    {
        if (Vm is null)
        {
            return;
        }
        await Task.Run(() => Vm.PlatformService.SetAsLockScreen(Vm.FileInfo.FullName));
    }
    
    public static async Task SetAsLockScreen()
    {
        if (Vm is null)
        {
            return;
        }
        await Task.Run(() => Vm.PlatformService.SetAsLockScreen(Vm.FileInfo.FullName));
    }

    #endregion

    #region Other settings

    public static async Task ResetSettings()
    {
        await SettingsUpdater.ResetSettings(Vm);
    }
    
    public static async Task Restart()
    {
        var openFile = string.Empty;
        var getFromArgs = false;
        if (Vm?.FileInfo is not null)
        {
            if (Vm.FileInfo.Exists)
            {
                openFile = Vm.FileInfo.FullName;
            }
            else
            {
                getFromArgs = true;
            }
        }
        else
        {
            getFromArgs = true;
        }
        if (getFromArgs)
        {
            var args = Environment.GetCommandLineArgs();
            if (args is not null && args.Length > 0)
            {
                openFile = args[1];
            }
        }
        ProcessHelper.RestartApp(openFile);

        if (Application.Current?.ApplicationLifetime is not IClassicDesktopStyleApplicationLifetime desktop)
        {
            Environment.Exit(0);
            return;
        }
        await Dispatcher.UIThread.InvokeAsync(() =>
        {
            desktop.MainWindow?.Close();
        });
    }
    
    public static async Task ToggleUsingTouchpad()
    {
        if (Vm is null)
        {
            return;
        }
        await SettingsUpdater.ToggleUsingTouchpad(Vm);
    }

    #endregion
    
    #endregion

    #if DEBUG
    public static async Task Invalidate()
    {
        Vm?.ImageViewer?.MainImage?.InvalidateVisual();
        //Vm?.ImageViewer?.InvalidateVisual();
    }
    #endif
}