Initial (very large) commit

App.axaml

@@ -1,15 +1,24 @@
 <Application xmlns="https://github.com/avaloniaui"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              x:Class="VaultSmpInstaller.App"
+             x:DataType="viewModels:ThemeViewModel"
              xmlns:local="using:VaultSmpInstaller"
-             RequestedThemeVariant="Default">
+             xmlns:viewModels="clr-namespace:VaultSmpInstaller.ViewModels"
+             RequestedThemeVariant="Dark">
              <!-- "Default" ThemeVariant follows system theme variant. "Dark" or "Light" are other available options. -->
-
+             
-    <Application.DataTemplates>
-        <local:ViewLocator/>
-    </Application.DataTemplates>
-  
     <Application.Styles>
         <FluentTheme />
+        <StyleInclude Source="avares://FluentAvalonia.ProgressRing/Styling/Controls/ProgressRing.axaml" />
+        <Style Selector="Button, TextBlock, ListBoxItem">
+            <Setter Property="Button.Foreground" Value="{Binding TextColor}" />
+        </Style>
+        <Style Selector="TextBlock, Button">
+            <Setter Property="Button.HorizontalAlignment" Value="Center" />
+        </Style>
+        <Style Selector="Button">
+            <Setter Property="Button.Background" Value="{Binding ButtonBackground}"/>
+        </Style>
+
     </Application.Styles>
 </Application>

Data/InstanceConfig.cs

@@ -0,0 +1,17 @@
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+
+namespace VaultSmpInstaller.Data;
+
+public class InstanceConfig
+{
+    [JsonPropertyName("version")]
+    public string Version { get; set; }
+    [JsonPropertyName("modProfiles")]
+    public Dictionary<string, ModProfile> ModProfiles { get; set; }
+    [JsonPropertyName("replaceFiles")]
+    public Dictionary<string, string> ReplaceFiles { get; set; }
+    
+    [JsonIgnore]
+    public string InstancePath { get; set; }
+}

Data/JsonContext.cs

@@ -0,0 +1,16 @@
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+
+namespace VaultSmpInstaller.Data;
+
+[JsonSourceGenerationOptions(WriteIndented = true, UnmappedMemberHandling = JsonUnmappedMemberHandling.Skip)]
+[JsonSerializable(typeof(InstanceConfig))]
+[JsonSerializable(typeof(ModProfile))]
+[JsonSerializable(typeof(string))]
+[JsonSerializable(typeof(bool))]
+[JsonSerializable(typeof(Dictionary<string, string>))]
+[JsonSerializable(typeof(Dictionary<string, ModProfile>))]
+public partial class JsonContext: JsonSerializerContext
+{
+    
+}

Data/ModProfile.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Runtime.CompilerServices;
+using System.Text.Json.Serialization;
+
+namespace VaultSmpInstaller.Data;
+
+[JsonSerializable(typeof(ModProfile))]
+public class ModProfile
+{
+    [JsonPropertyName("required")]
+    public bool Required { get; set; }
+    [JsonPropertyName("defaultState")]
+    public bool DefaultState { get; set; }
+    [JsonPropertyName("mods")]
+    public Dictionary<string, string> Mods { get; set; }
+    [JsonPropertyName("replaces")]
+    public Dictionary<string, string> Replaces { get; set; }
+    
+    [JsonPropertyName("enabled")]
+    public bool IsEnabled { get; set; }
+}

VaultSmpInstaller.csproj

@@ -6,7 +6,14 @@
         <BuiltInComInteropSupport>true</BuiltInComInteropSupport>
         <ApplicationManifest>app.manifest</ApplicationManifest>
         <AvaloniaUseCompiledBindingsByDefault>true</AvaloniaUseCompiledBindingsByDefault>
+<!--        <TrimMode>copyused</TrimMode>-->
+        <BuiltInComInteropSupport>true</BuiltInComInteropSupport>
+        <ApplicationIcon>Assets\icon.ico</ApplicationIcon>
     </PropertyGroup>
+    
+    <ItemGroup>
+        <TrimmerRootAssembly Include="VaultSmpInstaller" />
+    </ItemGroup>
 
     <ItemGroup>
         <Folder Include="Models\"/>
@@ -22,5 +29,6 @@
         <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
         <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="11.0.6"/>
         <PackageReference Include="Avalonia.ReactiveUI" Version="11.0.6"/>
+        <PackageReference Include="FluentAvalonia.ProgressRing" Version="1.69.2" />
     </ItemGroup>
 </Project>

ViewLocator.cs

@@ -1,32 +0,0 @@
-using System;
-using Avalonia.Controls;
-using Avalonia.Controls.Templates;
-using VaultSmpInstaller.ViewModels;
-
-namespace VaultSmpInstaller;
-
-public class ViewLocator : IDataTemplate
-{
-    public Control? Build(object? data)
-    {
-        if (data is null)
-            return null;
-
-        var name = data.GetType().FullName!.Replace("ViewModel", "View", StringComparison.Ordinal);
-        var type = Type.GetType(name);
-
-        if (type != null)
-        {
-            var control = (Control)Activator.CreateInstance(type)!;
-            control.DataContext = data;
-            return control;
-        }
-
-        return new TextBlock { Text = "Not Found: " + name };
-    }
-
-    public bool Match(object? data)
-    {
-        return data is ViewModelBase;
-    }
-}

ViewModels/DownloadingWindowViewModel.cs

@@ -0,0 +1,11 @@
+using Avalonia.Media;
+
+namespace VaultSmpInstaller.ViewModels;
+
+public class DownloadingWindowViewModel : ViewModelBase
+{
+    public static Brush Background => SolidColorBrush.Parse("#282A36");
+    public static Brush SecondaryBackground => SolidColorBrush.Parse("#44475A");
+    public static Brush ButtonBackground => SolidColorBrush.Parse("#6272A4");
+    public static Brush TextColor => SolidColorBrush.Parse("#F8F8F2");
+}

ViewModels/MainWindowViewModel.cs

@@ -1,8 +1,111 @@
-namespace VaultSmpInstaller.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.IO;
+using System.IO.Compression;
+using System.Linq;
+using System.Net.Http;
+using System.Reactive.Linq;
+using System.Text.Json;
+using System.Text.Json.Serialization.Metadata;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Windows.Input;
+using Avalonia.Media;
+using ReactiveUI;
+using VaultSmpInstaller.Data;
+
+namespace VaultSmpInstaller.ViewModels;
 
 public class MainWindowViewModel : ViewModelBase
 {
-#pragma warning disable CA1822 // Mark members as static
+    public static Brush Background => SolidColorBrush.Parse("#282A36");
-    public string Greeting => "Welcome to Avalonia!";
+    public static Brush SecondaryBackground => SolidColorBrush.Parse("#44475A");
-#pragma warning restore CA1822 // Mark members as static
+    public static Brush ButtonBackground => SolidColorBrush.Parse("#6272A4");
+    public static Brush TextColor => SolidColorBrush.Parse("#F8F8F2");
+
+    public Interaction<ProfileWindow1ViewModel, ProfileWindow2ViewModel.InstanceInfo?> ShowProfileSelectionDialog { get; }
+    
+    public ICommand SelectProfileCommand { get; }
+    
+    public MainWindowViewModel()
+    {
+        ShowProfileSelectionDialog = new Interaction<ProfileWindow1ViewModel, ProfileWindow2ViewModel.InstanceInfo?>();
+        
+        SelectProfileCommand = ReactiveCommand.CreateFromTask(async () =>
+        {
+            var profileWindowModel = new ProfileWindow1ViewModel();
+            SelectedInstance = await ShowProfileSelectionDialog.Handle(profileWindowModel);
+            
+            this.RaisePropertyChanged(nameof(SelectedInstanceName));
+            this.RaisePropertyChanged(nameof(SelectedInstance));
+            this.RaisePropertyChanged(nameof(IsInstanceSelected));
+
+            if (SelectedInstance != null)
+            {
+                if (File.Exists(Path.Combine(SelectedInstance.InstancePath, "installedInstance.json")))
+                {
+                    await using FileStream fs = new FileStream(Path.Combine(SelectedInstance.InstancePath, "installedInstance.json"), FileMode.Open);
+                    InstalledInstanceConfig = await JsonSerializer.DeserializeAsync<InstanceConfig>(fs, JsonContext.Default.InstanceConfig);
+                    if (InstalledInstanceConfig != null)
+                    {
+                        InstalledInstanceConfig.InstancePath = SelectedInstance.InstancePath;
+                        InstalledVersion = InstalledInstanceConfig.Version;
+                    }
+                }
+                else
+                {
+                    InstalledInstanceConfig = null;
+                    InstalledVersion = "None";
+                }
+                this.RaisePropertyChanged(nameof(InstalledInstanceConfig));
+                this.RaisePropertyChanged(nameof(InstalledVersion));
+                this.RaisePropertyChanged(nameof(InstalledModProfiles));
+                this.RaisePropertyChanged(nameof(InstalledModProfileNames));
+            }
+        });
+    }
+
+    public InstanceConfig? InstalledInstanceConfig { get; set; } = null;
+    public InstanceConfig? LatestInstanceConfig { get; set; } = null;
+
+    public Dictionary<string, ModProfile> EnabledModProfiles => LatestInstanceConfig?.ModProfiles.Where(pair => pair.Value.IsEnabled).ToDictionary() ?? new Dictionary<string, ModProfile>();
+    public List<string> EnabledModProfileNames => EnabledModProfiles.Keys.ToList();
+    public Dictionary<string, ModProfile> DisabledModProfiles => LatestInstanceConfig?.ModProfiles.Where(pair => !pair.Value.IsEnabled).ToDictionary() ?? new Dictionary<string, ModProfile>();
+    public List<string> DisabledModProfileNames => DisabledModProfiles.Keys.ToList(); 
+    
+    public Dictionary<string, ModProfile> InstalledModProfiles => InstalledInstanceConfig?.ModProfiles.Where(pair => pair.Value.IsEnabled).ToDictionary() ?? new Dictionary<string, ModProfile>();
+    public List<string> InstalledModProfileNames => InstalledModProfiles.Keys.ToList(); 
+
+    public string SelectedInstanceName => SelectedInstance == null ? "No profile selected" : $"Selected Profile: {SelectedInstance.InstanceName}";
+    public ProfileWindow2ViewModel.InstanceInfo? SelectedInstance { get; set; }
+
+
+    private string _installedVersion = "None";
+    public string InstalledVersion
+    {
+        set
+        {
+            _installedVersion = value;
+            this.RaisePropertyChanged(nameof(IsLatestVersionText));
+            this.RaisePropertyChanged();
+        }
+
+        get => _installedVersion;
+    }
+    
+    private string _latestVersion = "Downloading";
+    public string LatestVersion
+    {
+        set
+        {
+            _latestVersion = value;
+            this.RaisePropertyChanged(nameof(IsLatestVersionText));
+            this.RaisePropertyChanged();
+        }
+
+        get => _latestVersion;
+    }
+    public string IsLatestVersionText => InstalledVersion == LatestVersion ? "the latest version!" : "an outdated version.";
+    public bool IsInstanceSelected => SelectedInstance != null;
 }

ViewModels/ProfileWindow1ViewModel.cs

@@ -0,0 +1,126 @@
+using System;
+using System.IO;
+using System.Reactive;
+using System.Reactive.Linq;
+using System.Text.Json.Nodes;
+using Avalonia.Media;
+using ReactiveUI;
+
+namespace VaultSmpInstaller.ViewModels;
+
+public class ProfileWindow1ViewModel : ViewModelBase
+{
+    public Interaction<ProfileWindow2ViewModel, ProfileWindow2ViewModel.InstanceInfo?> ShowProfileSelectionDialog { get; }
+    
+    public ReactiveCommand<Unit, ProfileWindow2ViewModel.InstanceInfo?> UseCurseforgeCommand { get; }
+    public ReactiveCommand<Unit, ProfileWindow2ViewModel.InstanceInfo?> UsePrismCommand { get; }
+
+    public ProfileWindow1ViewModel()
+    {
+        var curseforgeDir = CurseforgeInstanceDir;
+        var prismDir = PrismInstanceDir;
+        
+        ShowProfileSelectionDialog = new Interaction<ProfileWindow2ViewModel, ProfileWindow2ViewModel.InstanceInfo?>();
+        
+        UseCurseforgeCommand = ReactiveCommand.CreateFromTask(async () =>
+        {
+            var profileWindowModel = new ProfileWindow2ViewModel(ProfileWindow2ViewModel.InstanceType.Curseforge, curseforgeDir);
+            return await ShowProfileSelectionDialog.Handle(profileWindowModel);
+        });
+        
+        UsePrismCommand = ReactiveCommand.CreateFromTask(async () =>
+        {
+            var profileWindowModel = new ProfileWindow2ViewModel(ProfileWindow2ViewModel.InstanceType.Prism, prismDir);
+            return await ShowProfileSelectionDialog.Handle(profileWindowModel);
+        });
+
+    }
+
+    public static Brush Background => SolidColorBrush.Parse("#282A36");
+    public static Brush SecondaryBackground => SolidColorBrush.Parse("#44475A");
+    public static Brush ButtonBackground => SolidColorBrush.Parse("#6272A4");
+    public static Brush TextColor => SolidColorBrush.Parse("#F8F8F2");
+
+    private string? _curseforgeInstanceDir = null;
+    public bool IsCurseforgeInstalled { get; set; } = false;
+
+    public string CurseforgeButtonText => IsCurseforgeInstalled ? "Curseforge" : "Curseforge Not Detected";
+
+    public string? CurseforgeInstanceDir
+    {
+        get
+        {
+            if (_curseforgeInstanceDir == null && TryGetCurseforgeMinecraftRoot(out _curseforgeInstanceDir))
+            {
+                IsCurseforgeInstalled = true;
+                this.RaisePropertyChanged(nameof(IsCurseforgeInstalled));
+                this.RaisePropertyChanged(nameof(CurseforgeButtonText));
+                this.RaisePropertyChanged();
+            }
+            return _curseforgeInstanceDir;
+        }
+    }
+
+    public bool IsPrismInstalled { get; set; } = false;
+
+    private string? _prismInstanceDir = null;
+    public string PrismButtonText => IsPrismInstalled ? "Prism Launcher" : "Prism Launcher Not Detected";
+
+    public string? PrismInstanceDir
+    {
+        get
+        {
+            if (_prismInstanceDir == null && TryGetPrismMinecraftRoot(out _prismInstanceDir))
+            {
+                IsPrismInstalled = true;
+                this.RaisePropertyChanged(nameof(IsPrismInstalled));
+                this.RaisePropertyChanged(nameof(PrismButtonText));
+                this.RaisePropertyChanged();
+            }
+            return _prismInstanceDir;
+        }
+    }
+    
+    public bool TryGetCurseforgeMinecraftRoot(out string? minecraftRoot)
+    {
+        minecraftRoot = null;
+
+        var appData = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
+        
+        if (!File.Exists(Path.Combine(appData, "Curseforge", "storage.json"))) return false;
+        
+        var curseforgeConfig = JsonNode.Parse(File.ReadAllText(Path.Combine(appData, "Curseforge", "storage.json")))!.AsObject();
+        if (!curseforgeConfig.TryGetPropertyValue("minecraft-settings", out var minecraftSettingsNode)) return false;
+        if (!minecraftSettingsNode!.AsValue().TryGetValue(out string? minecraftSettingsString)) return false;
+        
+        var minecraftSettings = JsonNode.Parse(minecraftSettingsString);
+        if (!minecraftSettings!.AsObject().TryGetPropertyValue("minecraftRoot", out var minecraftRootNode)) return false;
+        if (!minecraftRootNode!.AsValue().TryGetValue(out minecraftRoot)) return false;
+
+        minecraftRoot = Path.Combine(minecraftRoot, "Instances");
+        return true;
+    }
+    
+    public bool TryGetPrismMinecraftRoot(out string? minecraftRoot)
+    {
+        minecraftRoot = null;
+        
+        var appData = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
+        
+        if (!File.Exists(Path.Combine(appData, "PrismLauncher", "prismlauncher.cfg"))) return false;
+
+        foreach(String line in File.ReadLines(Path.Combine(appData, "PrismLauncher", "prismlauncher.cfg")))
+        {
+            if (line.StartsWith("InstanceDir"))
+            {
+                string path = line.Split('=', 2)[1];
+                if (Path.IsPathFullyQualified(path))
+                    minecraftRoot = path;
+                else
+                    minecraftRoot = Path.Combine(appData, "PrismLauncher", path);
+                return true;
+            }
+        }
+        return false;
+    }
+}

ViewModels/ProfileWindow2ViewModel.cs

@@ -0,0 +1,95 @@
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Reactive;
+using System.Text.Json.Nodes;
+using Avalonia.Media;
+using ReactiveUI;
+
+namespace VaultSmpInstaller.ViewModels;
+
+public class ProfileWindow2ViewModel : ViewModelBase
+{
+    
+    public Interaction<ProfileWindow2ViewModel, ProfileWindow2ViewModel.InstanceInfo?> ShowProfileSelectionDialog { get; }
+    public ReactiveCommand<Unit, ProfileWindow2ViewModel.InstanceInfo?> SelectProfileCommand { get; }
+
+    public static Brush Background => SolidColorBrush.Parse("#282A36");
+    public static Brush SecondaryBackground => SolidColorBrush.Parse("#44475A");
+    public static Brush ButtonBackground => SolidColorBrush.Parse("#6272A4");
+    public static Brush TextColor => SolidColorBrush.Parse("#F8F8F2");
+
+    public Dictionary<string, InstanceInfo> Instances { get; }
+    public List<string> InstanceNames { get; }
+
+    public InstanceInfo? SelectedInstance { get; set; } = null;
+
+    public Boolean IsInstanceSelected => SelectedInstance != null;
+
+    public ProfileWindow2ViewModel(InstanceType launcherType, string instancesDir)
+    {
+        Instances = new Dictionary<string, InstanceInfo>();
+        switch (launcherType)
+        {
+            case InstanceType.Prism:
+                foreach (var directory in Directory.EnumerateDirectories(instancesDir))
+                {
+                    if (!File.Exists(Path.Combine(directory, "instance.cfg"))) continue;
+                    foreach(String line in File.ReadLines(Path.Combine(directory, "instance.cfg")))
+                    {
+                        if (line.StartsWith("name"))
+                        {
+                            Instances.Add(line.Split('=', 2)[1],
+                                new InstanceInfo(
+                                    line.Split('=', 2)[1],
+                                    directory,
+                                    Path.Combine(directory, "minecraft"),
+                                    Path.Combine(directory, "minecraft", "mods"),
+                                    Path.Combine(directory, "minecraft", "config"),
+                                    Path.Combine(directory, "minecraft", "scripts")
+                                    )
+                                );
+                            break;
+                        }
+                    }
+                }
+                break;
+            case InstanceType.Curseforge:
+                foreach (var directory in Directory.EnumerateDirectories(instancesDir))
+                {
+                    if (!File.Exists(Path.Combine(directory, "minecraftinstance.json"))) continue;
+    
+                    var instanceConfig = JsonNode.Parse(File.ReadAllText(Path.Combine(directory, "minecraftinstance.json")))!.AsObject();
+                    if (!instanceConfig.TryGetPropertyValue("name", out var nameNode)) continue;
+                    if (!nameNode!.AsValue().TryGetValue(out string? instanceName)) continue;
+                    
+                    Instances.Add(instanceName,
+                        new InstanceInfo(
+                            instanceName,
+                            directory,
+                            directory,
+                            Path.Combine(directory, "mods"),
+                            Path.Combine(directory, "config"),
+                            Path.Combine(directory, "scripts")
+                        )
+                    );
+                }
+                break;
+            default:
+                throw new ArgumentOutOfRangeException(nameof(launcherType), launcherType, null);
+        }
+        InstanceNames = Instances.Keys.ToList();
+        
+        SelectProfileCommand = ReactiveCommand.Create(() => SelectedInstance);
+    }
+
+    
+    public enum InstanceType
+    {
+        Prism, Curseforge
+    }
+
+    public record InstanceInfo(String InstanceName, String InstancePath, String MinecraftPath, String ModsPath, String ConfigPath, String ScriptsPath);
+}

ViewModels/ThemeViewModel.cs

@@ -0,0 +1,11 @@
+using Avalonia.Media;
+
+namespace VaultSmpInstaller.ViewModels;
+
+public class ThemeViewModel : ViewModelBase
+{
+    public static Brush Background => SolidColorBrush.Parse("#282A36");
+    public static Brush SecondaryBackground => SolidColorBrush.Parse("#44475A");
+    public static Brush ButtonBackground => SolidColorBrush.Parse("#6272A4");
+    public static Brush TextColor => SolidColorBrush.Parse("#F8F8F2");
+}

Views/DownloadingWindow.axaml

@@ -0,0 +1,23 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:vm="using:VaultSmpInstaller.ViewModels"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:controls="clr-namespace:FluentAvalonia.UI.Controls;assembly=FluentAvalonia.ProgressRing"
+        mc:Ignorable="d" d:DesignWidth="300" d:DesignHeight="160"
+        x:Class="VaultSmpInstaller.Views.DownloadingWindow"
+        x:DataType="vm:DownloadingWindowViewModel"
+        Icon="/Assets/icon.ico"
+        Title="Downloading Update"
+        Width="300" Height="160"
+        WindowStartupLocation="CenterOwner"
+        CanResize="False">
+    <Design.DataContext>
+        <vm:DownloadingWindowViewModel/>
+    </Design.DataContext>
+    <StackPanel Background="{Binding Background}">
+        <TextBlock FontSize="18" Margin="10, 10, 10, 0">Downloading Latest Release</TextBlock>
+        <TextBlock FontSize="10" Margin="0, 0, 0, 20">This popup will close when complete</TextBlock>
+        <controls:ProgressRing IsIndeterminate="True" BorderThickness="10" Width="80" Height="80" />
+    </StackPanel>
+</Window>

Views/DownloadingWindow.axaml.cs

@@ -0,0 +1,13 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace VaultSmpInstaller.Views;
+
+public partial class DownloadingWindow : Window
+{
+    public DownloadingWindow()
+    {
+        InitializeComponent();
+    }
+}

Views/InstanceNotIntactWindow.axaml

@@ -0,0 +1,27 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:vm="using:VaultSmpInstaller.ViewModels"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        mc:Ignorable="d" d:DesignWidth="600" d:DesignHeight="400"
+        x:Class="VaultSmpInstaller.Views.InstanceNotIntactWindow"
+        x:DataType="vm:ThemeViewModel"
+        Icon="/Assets/icon.ico"
+        Title="Instance not Intact"
+        Width="600" Height="400"
+        WindowStartupLocation="CenterOwner"
+        CanResize="False">
+    <Design.DataContext>
+        <vm:ThemeViewModel/>
+    </Design.DataContext>
+    <StackPanel Background="{Binding Background}">
+        <TextBlock>This instance has been modified outside of this script.</TextBlock>
+        <TextBlock>If you have used the previous script this should be fine.</TextBlock>
+        <TextBlock>Otherwise I recommend making a new instance.</TextBlock>
+        <TextBlock>From this point, beware of issues ahead.</TextBlock>
+        <Grid ColumnDefinitions="*, *">
+            <Button Grid.Column="0" Margin="10, 10, 5, 10" Click="Cancel">Cancel</Button>
+            <Button Grid.Column="1" Margin="5, 10, 10, 10" Click="Continue">Continue</Button>
+        </Grid>
+    </StackPanel>
+</Window>

Views/InstanceNotIntactWindow.axaml.cs

@@ -0,0 +1,29 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Markup.Xaml;
+using Avalonia.Threading;
+
+namespace VaultSmpInstaller.Views;
+
+public partial class InstanceNotIntactWindow : Window
+{
+    private readonly MainWindow _mainWindow;
+    public InstanceNotIntactWindow(MainWindow mainWindow)
+    {
+        InitializeComponent();
+        this._mainWindow = mainWindow;
+    }
+    
+    private void Continue(object? sender, RoutedEventArgs e)
+    {
+        Dispatcher.UIThread.Invoke(Close);
+        _mainWindow.ContinueInstalling.Set();
+    }
+
+    private void Cancel(object? sender, RoutedEventArgs e)
+    {
+        Dispatcher.UIThread.Invoke(Close);
+        Dispatcher.UIThread.Invoke(_mainWindow.Close);
+    }
+}

Views/MainWindow.axaml

@@ -6,15 +6,54 @@
         mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
         x:Class="VaultSmpInstaller.Views.MainWindow"
         x:DataType="vm:MainWindowViewModel"
-        Icon="/Assets/avalonia-logo.ico"
+        Icon="/Assets/icon.ico"
-        Title="VaultSmpInstaller">
+        Title="Vault SMP Installer"
+        CanResize="False">
 
     <Design.DataContext>
-        <!-- This only sets the DataContext for the previewer in an IDE,
-             to set the actual DataContext for runtime, set the DataContext property in code (look at App.axaml.cs) -->
         <vm:MainWindowViewModel/>
     </Design.DataContext>
-
+    <Grid Background="{Binding Background}" RowDefinitions="Auto, Auto, *">
-    <TextBlock Text="{Binding Greeting}" HorizontalAlignment="Center" VerticalAlignment="Center"/>
+        <Grid Grid.Row="0" Background="{Binding SecondaryBackground}" MaxHeight="100" Margin="10" ColumnDefinitions="Auto,2*,2*,Auto">
-
+            <StackPanel VerticalAlignment="Center" Grid.Column="0">
+                <Button Margin="5" Command="{Binding SelectProfileCommand}">Select a Profile</Button>
+                <TextBlock Margin="5, 0, 5, 5" FontSize="10" Text="{Binding SelectedInstanceName}" />
+            </StackPanel>
+            <StackPanel VerticalAlignment="Center" HorizontalAlignment="Right" Margin="25, 0" Grid.Column="1">
+                <TextBlock Text="{Binding InstalledVersion, StringFormat=Installed Version: {0}}"/>
+                <TextBlock Text="{Binding LatestVersion, StringFormat=Latest Version: {0}}"/>
+            </StackPanel>
+            <StackPanel VerticalAlignment="Center" HorizontalAlignment="Left" Margin="25, 0" Grid.Column="2">
+                <TextBlock>You are running</TextBlock>
+                <TextBlock Text="{Binding IsLatestVersionText}"/>
+            </StackPanel>
+            <Button Margin="5" Grid.Column="3" Click="InstallProfile" IsEnabled="{Binding IsInstanceSelected}">Install to Profile</Button>
+        </Grid>
+        <TextBlock Grid.Row="1" Margin="15" FontSize="24">SMP Vault Pack Installer</TextBlock>
+        <Grid Grid.Row="2" ColumnDefinitions="*,*">
+            <Grid Grid.Column="0" Margin="10" Background="{Binding SecondaryBackground}" RowDefinitions="Auto,*">
+                <TextBlock Margin="15" FontSize="18">Optional Packs</TextBlock>
+                <Grid Grid.Row="1" ColumnDefinitions="*, Auto, *">
+                    <Grid Grid.Column="0" RowDefinitions="Auto, *">
+                        <Rectangle Grid.Row="0" Margin="5, 0" Height="18" Fill="{Binding Background}" RadiusX="4" RadiusY="4"/>
+                        <TextBlock Grid.Row="0">Disabled</TextBlock>
+                        <ListBox Grid.Row="1" SelectionChanged="DisabledSelectionChanged" ItemsSource="{Binding DisabledModProfileNames}" Background="{Binding Background}" Margin="5" />
+                    </Grid>
+                    <Grid Grid.Column="1" RowDefinitions="*, Auto, 10, Auto, *">
+                        <Button Grid.Row="1" Click="EnableSelected">→</Button>
+                        <Button Grid.Row="3" Click="DisableSelected">←</Button>
+                    </Grid>
+                    <Grid Grid.Column="2" RowDefinitions="Auto, *">
+                        <Rectangle Grid.Row="0" Margin="5, 0" Height="18" Fill="{Binding Background}" RadiusX="4" RadiusY="4"/>
+                        <TextBlock Grid.Row="0">Enabled</TextBlock>
+                        <ListBox Grid.Row="1" SelectionChanged="EnabledSelectionChanged" ItemsSource="{Binding EnabledModProfileNames}" Background="{Binding Background}" Margin="5" />
+                    </Grid>
+                </Grid>
+            </Grid>
+            <Grid Grid.Column="1" Margin="10" Background="{Binding SecondaryBackground}" RowDefinitions="Auto,*">
+                <TextBlock Margin="15" FontSize="18">Installed Packs</TextBlock>
+                <ListBox ItemsSource="{Binding InstalledModProfileNames}" Background="{Binding Background}" Grid.Row="1" Margin="5" />
+            </Grid>
+        </Grid>
+    </Grid>
 </Window>

Views/MainWindow.axaml.cs

@@ -1,11 +1,310 @@
+using System;
+using System.IO;
+using System.IO.Compression;
+using System.Net.Http;
+using System.Security.Cryptography;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using System.Text.Json.Serialization.Metadata;
+using System.Threading;
+using System.Threading.Tasks;
 using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.ReactiveUI;
+using Avalonia.Threading;
+using ReactiveUI;
+using VaultSmpInstaller.Data;
+using VaultSmpInstaller.ViewModels;
 
 namespace VaultSmpInstaller.Views;
 
-public partial class MainWindow : Window
+public partial class MainWindow : ReactiveWindow<MainWindowViewModel>
 {
     public MainWindow()
     {
         InitializeComponent();
+        
+        this.WhenActivated(action => action(ViewModel!.ShowProfileSelectionDialog.RegisterHandler(DoShowDialogAsync)));
+
+        this.WhenActivated(_ => StartDownload());
+    }
+
+    private async Task ProcessInstance(String instancePath)
+    {
+        await using FileStream fs = new FileStream(Path.Combine(instancePath, "instance.json"), FileMode.Open);
+        ViewModel!.LatestInstanceConfig = await JsonSerializer.DeserializeAsync<InstanceConfig>(fs, JsonContext.Default.InstanceConfig);
+        if (ViewModel!.LatestInstanceConfig != null)
+        {
+            ViewModel!.LatestInstanceConfig.InstancePath = instancePath;
+
+            foreach (var modProfile in ViewModel!.LatestInstanceConfig.ModProfiles.Values)
+                if (modProfile.Required || modProfile.DefaultState)
+                    modProfile.IsEnabled = true;
+
+            ViewModel!.LatestVersion = ViewModel!.LatestInstanceConfig.Version;
+            
+            ViewModel!.RaisePropertyChanged(nameof(ViewModel.LatestInstanceConfig));
+            ViewModel!.RaisePropertyChanged(nameof(ViewModel.DisabledModProfiles));
+            ViewModel!.RaisePropertyChanged(nameof(ViewModel.EnabledModProfiles));
+            ViewModel!.RaisePropertyChanged(nameof(ViewModel.DisabledModProfileNames));
+            ViewModel!.RaisePropertyChanged(nameof(ViewModel.EnabledModProfileNames));
+            
+            ViewModel!.SelectProfileCommand.Execute(null);
+        }
+        else
+        {
+            throw new Exception("Failed to download new version");
+        }
+    }
+    
+    private async Task DoShowDialogAsync(InteractionContext<ProfileWindow1ViewModel, ProfileWindow2ViewModel.InstanceInfo?> interaction)
+    {
+        var dialog = new ProfileWindow1();
+        dialog.DataContext = interaction.Input;
+
+        var result = await dialog.ShowDialog<ProfileWindow2ViewModel.InstanceInfo?>(this);
+        interaction.SetOutput(result);
+    }
+    
+    private readonly DownloadingWindow _downloadingWindow = new DownloadingWindow();
+    
+    private void StartDownload()
+    {
+        var downloadThread = new Thread(async (arg) =>
+        {
+            if (arg is CancellationTokenSource)
+            {
+                var tokenSource = (CancellationTokenSource)arg;
+                var archivePath = Path.Combine(Path.GetTempPath(), Guid.NewGuid() + ".zip");
+                var extractPath = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());
+                try
+                {
+                    HttpClient httpClient = new HttpClient();
+
+                    using var response = await httpClient.GetAsync("https://holenode.cdnbcn.net/LatestProfile.zip", tokenSource.Token);
+                    await using var fs = new FileStream(archivePath, FileMode.OpenOrCreate);
+                    await response.Content.CopyToAsync(fs, tokenSource.Token);
+
+                    fs.Close();
+                    
+                    ZipFile.ExtractToDirectory(archivePath, extractPath);
+                    
+                    tokenSource.Token.ThrowIfCancellationRequested();
+
+                    File.Delete(archivePath);
+                    
+                    await Dispatcher.UIThread.Invoke(() => ProcessInstance(extractPath));
+                }
+                catch (OperationCanceledException e)
+                {
+                    try
+                    {
+                        File.Delete(archivePath);
+                        Directory.Delete(extractPath, true);
+                    }
+                    catch (Exception ignored)
+                    {
+                        // ignored
+                    }
+                    Dispatcher.UIThread.Invoke(Close);
+                }
+                Dispatcher.UIThread.Invoke(() => _downloadingWindow.Close());
+            }
+        });
+
+        CancellationTokenSource source = new CancellationTokenSource();
+        downloadThread.Start(source);
+        _downloadingWindow.DataContext = new DownloadingWindowViewModel();
+        _downloadingWindow.Closed += (_, _) => source.Cancel();
+        _downloadingWindow.ShowDialog(this);
+    }
+
+    private string _disabledSelected = "";
+    
+    private void DisabledSelectionChanged(object? sender, SelectionChangedEventArgs e)
+    {
+        if (e.AddedItems is [String])
+            _disabledSelected = (String)e.AddedItems[0]!;
+    }
+    
+    private void EnableSelected(object? sender, RoutedEventArgs e)
+    {
+        if (ViewModel!.LatestInstanceConfig!.ModProfiles.ContainsKey(_disabledSelected))
+        {
+            ViewModel!.LatestInstanceConfig!.ModProfiles[_disabledSelected].IsEnabled = true;
+            ViewModel!.RaisePropertyChanged(nameof(ViewModel.EnabledModProfiles));
+            ViewModel!.RaisePropertyChanged(nameof(ViewModel.EnabledModProfileNames));
+            ViewModel!.RaisePropertyChanged(nameof(ViewModel.DisabledModProfiles));
+            ViewModel!.RaisePropertyChanged(nameof(ViewModel.DisabledModProfileNames));
+            _disabledSelected = "";
+        }
+    }
+    
+    private string _enabledSelected = "";
+    private void EnabledSelectionChanged(object? sender, SelectionChangedEventArgs e)
+    {
+        if (e.AddedItems is [String])
+            _enabledSelected = (String)e.AddedItems[0]!;
+    }
+    
+    private void DisableSelected(object? sender, RoutedEventArgs e)
+    {
+        if (ViewModel!.LatestInstanceConfig!.ModProfiles.ContainsKey(_enabledSelected) && !ViewModel!.LatestInstanceConfig!.ModProfiles[_enabledSelected].Required)
+        {
+            ViewModel!.LatestInstanceConfig!.ModProfiles[_enabledSelected].IsEnabled = false;
+            ViewModel!.RaisePropertyChanged(nameof(ViewModel.EnabledModProfiles));
+            ViewModel!.RaisePropertyChanged(nameof(ViewModel.EnabledModProfileNames));
+            ViewModel!.RaisePropertyChanged(nameof(ViewModel.DisabledModProfiles));
+            ViewModel!.RaisePropertyChanged(nameof(ViewModel.DisabledModProfileNames));
+            _enabledSelected = "";
+        }
+    }
+
+    public ManualResetEvent ContinueInstalling = new ManualResetEvent(false);
+
+    private void InstallProfile(object? sender, RoutedEventArgs e)
+    {
+        Thread installThread = new Thread(() =>
+        {
+            var md5 = MD5.Create();
+            var viewModel = Dispatcher.UIThread.Invoke(() => ViewModel);
+            if (viewModel!.InstalledInstanceConfig == null)
+            {
+                viewModel.InstalledInstanceConfig = viewModel.LatestInstanceConfig!;
+                viewModel.InstalledVersion = viewModel.LatestInstanceConfig!.Version;
+                File.WriteAllText(Path.Combine(viewModel.SelectedInstance!.InstancePath, "installedInstance.json"),
+                    JsonSerializer.Serialize(viewModel.LatestInstanceConfig, JsonContext.Default.InstanceConfig));
+
+                foreach (var (path, md5Hash) in viewModel.LatestInstanceConfig.ReplaceFiles)
+                {
+                    var stream = File.ReadAllBytes(Path.Combine(viewModel.SelectedInstance.MinecraftPath, path));
+                    if (BitConverter.ToString(md5.ComputeHash(stream)).Replace("-","").ToLower() != md5Hash)
+                    {
+                        Dispatcher.UIThread.Invoke(() =>
+                        {
+                            var instanceNotIntactWindow = new InstanceNotIntactWindow(this);
+                            instanceNotIntactWindow.DataContext = new ThemeViewModel();
+
+                            instanceNotIntactWindow.ShowDialog(this);
+                        });
+
+                        ContinueInstalling.WaitOne();
+                        break;
+                    }
+                }
+                
+                foreach (var path in viewModel.LatestInstanceConfig.ReplaceFiles.Keys)
+                {
+                    var pathParts = path.Split(Path.DirectorySeparatorChar);
+                    var currentPath = "";
+                    if(!Directory.Exists(Path.Combine(viewModel.SelectedInstance.InstancePath, "originalFiles")))
+                    {
+                        Directory.CreateDirectory(Path.Combine(viewModel.SelectedInstance.InstancePath, "originalFiles"));
+                    }
+                    foreach (var part in pathParts[0..^1])
+                    {
+                        currentPath = Path.Combine(currentPath, part);
+                        if(!Directory.Exists(Path.Combine(viewModel.SelectedInstance.InstancePath, "originalFiles", currentPath)))
+                            Directory.CreateDirectory(Path.Combine(viewModel.SelectedInstance.InstancePath, "originalFiles", currentPath));
+                    }
+                    File.Copy(Path.Combine(viewModel.SelectedInstance.MinecraftPath, path), Path.Combine(viewModel.SelectedInstance.InstancePath, "originalFiles", path));
+                }
+            }
+            
+            CopyAll(Path.Combine(viewModel.LatestInstanceConfig!.InstancePath, "config"), viewModel.SelectedInstance!.ConfigPath);
+            CopyAll(Path.Combine(viewModel.LatestInstanceConfig.InstancePath, "scripts"), viewModel.SelectedInstance.ScriptsPath);
+
+            if(!Directory.Exists(Path.Combine(viewModel.SelectedInstance.InstancePath, "originalFiles")))
+            {
+                Directory.CreateDirectory(Path.Combine(viewModel.SelectedInstance.InstancePath, "originalFiles"));
+            }
+            if(!Directory.Exists(Path.Combine(viewModel.SelectedInstance.InstancePath, "originalFiles", "mods")))
+            {
+                Directory.CreateDirectory(Path.Combine(viewModel.SelectedInstance.InstancePath, "originalFiles", "mods"));
+            }
+            
+            foreach (var (profileName, modProfile) in viewModel.LatestInstanceConfig.ModProfiles)
+            {
+                if (modProfile.IsEnabled)
+                {
+                    foreach (var (modName, md5Hash) in modProfile.Replaces)
+                    {
+                        if (File.Exists(Path.Combine(viewModel.SelectedInstance.ModsPath, modName)))
+                        {
+                            var stream = File.ReadAllBytes(Path.Combine(viewModel.SelectedInstance.ModsPath, modName));
+                            if (BitConverter.ToString(md5.ComputeHash(stream)).Replace("-","").ToLower() == md5Hash)
+                            {
+                                File.Copy(Path.Combine(viewModel.SelectedInstance.ModsPath, modName), Path.Combine(viewModel.SelectedInstance.InstancePath, "originalFiles", "mods", modName));
+                                File.Delete(Path.Combine(viewModel.SelectedInstance.ModsPath, modName));
+                            }
+                        }
+                    }
+
+                    foreach (var modName in modProfile.Mods.Keys)
+                    {
+                        File.Copy(Path.Combine(viewModel.LatestInstanceConfig.InstancePath, "mods", modName), Path.Combine(viewModel.SelectedInstance.ModsPath, modName), true);
+                    }
+                } else if (viewModel.InstalledInstanceConfig.ModProfiles[profileName].IsEnabled)
+                {
+                    foreach (var modName in modProfile.Mods.Keys)
+                    {
+                        if(File.Exists(Path.Combine(viewModel.SelectedInstance.ModsPath, modName)))
+                            File.Delete(Path.Combine(viewModel.SelectedInstance.ModsPath, modName));
+                    }
+                }
+            }
+            
+            Dispatcher.UIThread.Invoke(() =>
+            {
+                var successWindow = new SuccessWindow(this);
+                successWindow.DataContext = new ThemeViewModel();
+            
+                successWindow.ShowDialog(this);
+            });
+
+            viewModel.InstalledInstanceConfig = viewModel.LatestInstanceConfig!;
+            viewModel.InstalledVersion = viewModel.LatestInstanceConfig!.Version;
+            
+            viewModel.RaisePropertyChanged(nameof(viewModel.InstalledInstanceConfig));
+            viewModel.RaisePropertyChanged(nameof(viewModel.InstalledModProfiles));
+            viewModel.RaisePropertyChanged(nameof(viewModel.InstalledModProfileNames));
+            
+            ContinueInstalling.Reset();
+
+            ContinueInstalling.WaitOne();
+        });
+        installThread.Start();
+    }
+    
+    public static void CopyAll(string source, string target)
+    {
+        CopyAll(new DirectoryInfo(source), new DirectoryInfo(target));
+    }
+    public static void CopyAll(DirectoryInfo source, DirectoryInfo target)
+    {
+        if (source.FullName.ToLower() == target.FullName.ToLower())
+        {
+            return;
+        }
+
+        // Check if the target directory exists, if not, create it.
+        if (Directory.Exists(target.FullName) == false)
+        {
+            Directory.CreateDirectory(target.FullName);
+        }
+
+        // Copy each file into it's new directory.
+        foreach (FileInfo fi in source.GetFiles())
+        {
+            fi.CopyTo(Path.Combine(target.ToString(), fi.Name), true);
+        }
+
+        // Copy each subdirectory using recursion.
+        foreach (DirectoryInfo diSourceSubDir in source.GetDirectories())
+        {
+            DirectoryInfo nextTargetSubDir =
+                target.CreateSubdirectory(diSourceSubDir.Name);
+            CopyAll(diSourceSubDir, nextTargetSubDir);
+        }
     }
 }

Views/ProfileWindow1.axaml

@@ -0,0 +1,19 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:vm="using:VaultSmpInstaller.ViewModels"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        mc:Ignorable="d" d:DesignWidth="400" d:DesignHeight="600"
+        x:Class="VaultSmpInstaller.Views.ProfileWindow1"
+        x:DataType="vm:ProfileWindow1ViewModel"
+        Icon="/Assets/icon.ico"
+        Title="Select a Launcher"
+        Width="400" Height="175"
+        WindowStartupLocation="CenterOwner"
+        CanResize="False">
+        <Grid Background="{Binding Background}" RowDefinitions="Auto, *, *">
+                <TextBlock Grid.Row="0" FontSize="18" Margin="0, 10">Please Select Prism Launcher or Curseforge</TextBlock>
+                <Button Grid.Row="1" Command="{Binding UsePrismCommand}" FontSize="18" VerticalAlignment="Stretch" HorizontalAlignment="Stretch" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" Margin="25, 5" Content="{Binding PrismButtonText}" IsEnabled="{Binding IsPrismInstalled}"/>
+                <Button Grid.Row="2" Command="{Binding UseCurseforgeCommand}" FontSize="18" VerticalAlignment="Stretch" HorizontalAlignment="Stretch" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" Margin="25, 5" Content="{Binding CurseforgeButtonText}" IsEnabled="{Binding IsCurseforgeInstalled}"/>
+        </Grid>
+</Window>

Views/ProfileWindow1.axaml.cs

@@ -0,0 +1,30 @@
+using System;
+using System.Threading.Tasks;
+using Avalonia.ReactiveUI;
+using ReactiveUI;
+using VaultSmpInstaller.ViewModels;
+
+namespace VaultSmpInstaller.Views;
+
+public partial class ProfileWindow1 : ReactiveWindow<ProfileWindow1ViewModel>
+{
+    public ProfileWindow1()
+    {
+        InitializeComponent();
+        
+        this.WhenActivated(d => d(ViewModel!.UseCurseforgeCommand.Subscribe(Close)));
+        this.WhenActivated(d => d(ViewModel!.UsePrismCommand.Subscribe(Close)));
+        
+        this.WhenActivated(action => 
+            action(ViewModel!.ShowProfileSelectionDialog.RegisterHandler(DoShowDialogAsync)));
+    }
+    private async Task DoShowDialogAsync(InteractionContext<ProfileWindow2ViewModel, ProfileWindow2ViewModel.InstanceInfo?> interaction)
+    {
+        var dialog = new ProfileWindow2();
+        dialog.DataContext = interaction.Input;
+
+        var result = await dialog.ShowDialog<ProfileWindow2ViewModel.InstanceInfo?>(this);
+        interaction.SetOutput(result);
+    }
+
+}

Views/ProfileWindow2.axaml

@@ -0,0 +1,21 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:vm="using:VaultSmpInstaller.ViewModels"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+        x:Class="VaultSmpInstaller.Views.ProfileWindow2"
+        x:DataType="vm:ProfileWindow2ViewModel"
+        Icon="/Assets/icon.ico"
+        Title="Select a Profile"
+        Width="400" Height="600"
+        WindowStartupLocation="CenterOwner"
+        CanResize="False">
+    <DockPanel Background="{Binding Background}">
+        <Grid Background="{Binding SecondaryBackground}" Margin="5" RowDefinitions="Auto, *, Auto">
+            <TextBlock Grid.Row="0" FontSize="18" Margin="0, 10">Select VH3 Instance</TextBlock>
+            <ListBox Grid.Row="1" SelectionChanged="SelectingItemsControl_OnSelectionChanged" Margin="10, 5" ItemsSource="{Binding InstanceNames}" />
+            <Button Grid.Row="2" IsEnabled="{Binding IsInstanceSelected}" Command="{Binding SelectProfileCommand}" FontSize="18" Margin="10, 5" HorizontalAlignment="Stretch" HorizontalContentAlignment="Center" VerticalContentAlignment="Center">Continue</Button>
+        </Grid>
+    </DockPanel>
+</Window>

Views/ProfileWindow2.axaml.cs

@@ -0,0 +1,26 @@
+using System;
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+using Avalonia.ReactiveUI;
+using ReactiveUI;
+using VaultSmpInstaller.ViewModels;
+
+namespace VaultSmpInstaller.Views;
+
+public partial class ProfileWindow2 : ReactiveWindow<ProfileWindow2ViewModel>
+{
+    public ProfileWindow2()
+    {
+        InitializeComponent();
+        
+        this.WhenActivated(action => action(ViewModel!.SelectProfileCommand.Subscribe(Close)));
+    }
+
+    private void SelectingItemsControl_OnSelectionChanged(object? sender, SelectionChangedEventArgs e)
+    {
+        ViewModel!.SelectedInstance = ViewModel.Instances[((string)e.AddedItems[0]!)!];
+        ViewModel.RaisePropertyChanged(nameof(ViewModel.IsInstanceSelected));
+        ViewModel.RaisePropertyChanged(nameof(ViewModel.SelectedInstance));
+    }
+}

Views/SuccessWindow.axaml

@@ -0,0 +1,21 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:vm="using:VaultSmpInstaller.ViewModels"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        mc:Ignorable="d" d:DesignWidth="250" d:DesignHeight="150"
+        x:Class="VaultSmpInstaller.Views.SuccessWindow"
+        x:DataType="vm:ThemeViewModel"
+        Icon="/Assets/icon.ico"
+        Title="Installation Successful"
+        Width="275" Height="100"
+        WindowStartupLocation="CenterOwner"
+        CanResize="False">
+        <Design.DataContext>
+                <vm:ThemeViewModel/>
+        </Design.DataContext>
+        <Grid Background="{Binding Background}" RowDefinitions="Auto, *">
+                <TextBlock Grid.Row="0" FontSize="24" Margin="10">Installation Successful!</TextBlock>
+                <Button Grid.Row="1" Margin="10, 10, 5, 10" Click="Ok">Ok</Button>
+        </Grid>
+</Window>

Views/SuccessWindow.axaml.cs

@@ -0,0 +1,23 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Markup.Xaml;
+using Avalonia.Threading;
+
+namespace VaultSmpInstaller.Views;
+
+public partial class SuccessWindow : Window
+{
+    private readonly MainWindow _mainWindow;
+    public SuccessWindow(MainWindow mainWindow)
+    {
+        InitializeComponent();
+        this._mainWindow = mainWindow;
+    }
+
+    private void Ok(object? sender, RoutedEventArgs e)
+    {
+        _mainWindow.ContinueInstalling.Set();
+        Dispatcher.UIThread.Invoke(Close);
+    }
+}