refactor: cleaup and implemented mvvm

highminded.csproj

@@ -27,14 +27,15 @@
             <IncludeAssets Condition="'$(Configuration)' != 'Debug'">None</IncludeAssets>
             <PrivateAssets Condition="'$(Configuration)' != 'Debug'">All</PrivateAssets>
         </PackageReference>
+        <PackageReference Include="CommunityToolkit.Mvvm" Version="8.4.0" />
         <PackageReference Include="IconPacks.Avalonia" Version="1.0.0" />
         <PackageReference Include="IconPacks.Avalonia.Lucide" Version="1.0.0" />
         <PackageReference Include="Markdig" Version="0.41.3" />
         <PackageReference Include="Markdown.ColorCode" Version="3.0.0" />
-        <PackageReference Include="NAudio" Version="2.2.1" />
         <PackageReference Include="OpenAI" Version="2.2.0-beta.4" />
         <PackageReference Include="SharpHook" Version="6.1.2" />
         <PackageReference Include="SharpHook.Reactive" Version="6.1.2" />
+        <PackageReference Include="SoundFlow" Version="1.1.1" />
     </ItemGroup>
 
     <ItemGroup>

models/ChatViewModel.cs

@@ -0,0 +1,9 @@
+using CommunityToolkit.Mvvm.ComponentModel;
+
+namespace highminded.models;
+
+public partial class ChatViewModel : ObservableObject
+{
+    [ObservableProperty] private string _content = "";
+    [ObservableProperty] private string _prompt = "";
+}

models/MainViewModel.cs

@@ -0,0 +1,13 @@
+using CommunityToolkit.Mvvm.ComponentModel;
+
+namespace highminded.models;
+
+public partial class MainViewModel : ObservableObject
+{
+    [ObservableProperty] private string _appName = "High Minded";
+    [ObservableProperty] private string _hideShortcutKey = "SHIFT + \\";
+    [ObservableProperty] private string _screenshotShortcutKey = "SHIFT + S";
+    [ObservableProperty] private string _audioShortcutKey = "SHIFT + A";
+    [ObservableProperty] private bool _isRecording = false;
+    [ObservableProperty] private bool _isHidden = true;
+}

models/SettingsViewModel.cs

@@ -0,0 +1,12 @@
+using CommunityToolkit.Mvvm.ComponentModel;
+
+namespace highminded.models;
+
+public partial class SettingsViewModel : ObservableObject
+{
+    [ObservableProperty] private string _model = "";
+    [ObservableProperty] private string _apiUrl = "";
+    [ObservableProperty] private string _apiKey = "";
+    [ObservableProperty] private string _screenshotPrompt = "";
+    [ObservableProperty] private string _audioPrompt = "";
+}

ui/controls/ChatUserControl.axaml

@@ -2,14 +2,16 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             xmlns:vm="using:highminded.models"
              mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
-             x:Class="highminded.ui.controls.ChatUserControl">
+             x:Class="highminded.ui.controls.ChatUserControl"
+             x:DataType="vm:ChatViewModel">
 
     <Grid RowDefinitions="*,Auto" Margin="15" RowSpacing="10">
-        <HtmlPanel Grid.Row="0" Name="ResultBlock" BaseStylesheet="* { font: Inter; color: white; }"
+        <HtmlPanel Grid.Row="0" BaseStylesheet="* { font: Inter; color: white; }"
-                   IsContextMenuEnabled="False" IsSelectionEnabled="False" />
+                   IsContextMenuEnabled="False" IsSelectionEnabled="False" Text="{Binding Content}" />
-        <TextBox Grid.Row="1" Name="PromptBox" CornerRadius="5" TextWrapping="Wrap"
+        <TextBox Grid.Row="1" CornerRadius="5" TextWrapping="Wrap"
-                 KeyDown="PromptBox_OnKeyDown" />
+                 KeyDown="PromptBox_OnKeyDown" Text="{Binding Prompt}" />
     </Grid>
 
 </UserControl>

ui/controls/ChatUserControl.axaml.cs

@@ -7,6 +7,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using Avalonia.Input;
+using highminded.models;
 using highminded.utils;
 using OpenAI.Chat;
 using Markdig;
@@ -16,14 +17,18 @@ namespace highminded.ui.controls;
 
 public partial class ChatUserControl : UserControl
 {
-    private readonly MarkdownPipeline _pipeline = null!;
+    private readonly ChatViewModel _model;
-    private AudioCapture _audioCapture = null!;
+    private readonly MarkdownPipeline _pipeline;
+    private readonly AudioCapture _audioCapture;
 
     public ChatUserControl()
     {
         InitializeComponent();
-        _pipeline = new MarkdownPipelineBuilder().UseAdvancedExtensions().UseColorCode().Build();
+        DataContext = InMemoryDb.Obj.ChatViewModel;
+
         _audioCapture = new AudioCapture();
+        _model = InMemoryDb.Obj.ChatViewModel;
+        _pipeline = new MarkdownPipelineBuilder().UseAdvancedExtensions().UseColorCode().Build();
     }
 
     public void StartRecord()
@@ -33,43 +38,16 @@ public partial class ChatUserControl : UserControl
         var dirPath = Path.Combine(Environment.CurrentDirectory, "audio");
         var filePath = Path.Combine(dirPath, fileName);
         Directory.CreateDirectory(dirPath);
+        InMemoryDb.Obj.MainViewModel.IsRecording = true;
         _audioCapture.StartRecording(filePath);
     }
 
     public void StopRecord()
-    {
-        if (_audioCapture != null)
     {
         _audioCapture.StopRecording();
+        InMemoryDb.Obj.MainViewModel.IsRecording = false;
         SendAudio();
     }
-    }
-
-    public async void SendAudio()
-    {
-        try
-        {
-            var dirPath = Path.Combine(Environment.CurrentDirectory, "audio");
-            var latestAudio = new DirectoryInfo(dirPath).GetFiles().OrderByDescending(f => f.LastWriteTime).First(); 
-            var filePath = Path.Combine(dirPath, latestAudio.Name);
-            var audioFileBytes = await File.ReadAllBytesAsync(filePath);
-            var audioBytes = BinaryData.FromBytes(audioFileBytes);
-
-            List<ChatMessage> messages =
-            [
-                new UserChatMessage(
-                    ChatMessageContentPart.CreateTextPart(InMemoryDb.Obj.SettingsManager.Settings.AudioPrompt),
-                    ChatMessageContentPart.CreateInputAudioPart(audioBytes, ChatInputAudioFormat.Wav)
-                )
-            ];
-
-            await ProcessChatStreamAsync(messages);
-        }
-        catch (Exception err)
-        {
-            ResultBlock.Text = err.Message;
-        }
-    }
 
     public async void SendScreenshot()
     {
@@ -99,7 +77,33 @@ public partial class ChatUserControl : UserControl
         }
         catch (Exception err)
         {
-            ResultBlock.Text = err.Message;
+            _model.Content = err.Message;
+        }
+    }
+
+    private async void SendAudio()
+    {
+        try
+        {
+            var dirPath = Path.Combine(Environment.CurrentDirectory, "audio");
+            var latestAudio = new DirectoryInfo(dirPath).GetFiles().OrderByDescending(f => f.LastWriteTime).First();
+            var filePath = Path.Combine(dirPath, latestAudio.Name);
+            var audioFileBytes = await File.ReadAllBytesAsync(filePath);
+            var audioBytes = BinaryData.FromBytes(audioFileBytes);
+
+            List<ChatMessage> messages =
+            [
+                new UserChatMessage(
+                    ChatMessageContentPart.CreateTextPart(InMemoryDb.Obj.SettingsManager.Settings.AudioPrompt),
+                    ChatMessageContentPart.CreateInputAudioPart(audioBytes, ChatInputAudioFormat.Wav)
+                )
+            ];
+
+            await ProcessChatStreamAsync(messages);
+        }
+        catch (Exception err)
+        {
+            _model.Content = err.Message;
         }
     }
 
@@ -109,15 +113,14 @@ public partial class ChatUserControl : UserControl
         {
             if (e.Key != Key.Enter) return;
 
-            var prompt = PromptBox.Text;
+            var prompt = _model.Prompt;
-            if (prompt is null) return;
+            if (prompt == string.Empty) return;
-            PromptBox.Clear();
+            _model.Prompt = string.Empty;
-
             await ProcessChatStreamAsync(prompt);
         }
         catch (Exception err)
         {
-            ResultBlock.Text = err.Message;
+            _model.Content = err.Message;
         }
     }
 
@@ -140,7 +143,7 @@ public partial class ChatUserControl : UserControl
             responseBuilder.Append(token);
 
             var html = Markdig.Markdown.ToHtml(responseBuilder.ToString(), _pipeline);
-            ResultBlock.Text = html;
+            _model.Content = html;
         }
     }
 }

ui/controls/SettingsUserControl.axaml

@@ -2,38 +2,41 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             xmlns:vm="using:highminded.models"
              mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
-             x:Class="highminded.ui.controls.SettingsUserControl">
+             x:Class="highminded.ui.controls.SettingsUserControl"
+             x:DataType="vm:SettingsViewModel">
 
-    <Grid Margin="15" RowSpacing="10" ColumnSpacing="10" RowDefinitions="Auto,Auto,Auto,Auto,Auto" ColumnDefinitions="*,*">
+    <Grid Margin="15" RowSpacing="10" ColumnSpacing="10" RowDefinitions="Auto,Auto,Auto,Auto,Auto"
+          ColumnDefinitions="*,*">
 
         <StackPanel Grid.Row="0" Grid.Column="0">
             <TextBlock Text="Model" />
-            <TextBox Name="ModelTextBox" />
+            <TextBox Text="{Binding Model}" />
         </StackPanel>
 
         <StackPanel Grid.Row="0" Grid.Column="1">
             <TextBlock Text="API URL" />
-            <TextBox Name="ApiUrlTextBox" />
+            <TextBox Text="{Binding ApiUrl}" />
         </StackPanel>
 
         <StackPanel Grid.Row="1" Grid.Column="0" Grid.ColumnSpan="2">
             <TextBlock Text="API Key" />
-            <TextBox Name="ApiKeyTextBox" PasswordChar="*" />
+            <TextBox PasswordChar="*" Text="{Binding ApiKey}" />
         </StackPanel>
 
         <StackPanel Grid.Row="2" Grid.Column="0" Grid.ColumnSpan="2">
             <TextBlock Text="Screenshot Prompt" />
-        <TextBox Name="ScreenshotPromptTextBox" TextWrapping="Wrap" MinLines="3" MaxLines="3"/>
+            <TextBox TextWrapping="Wrap" MinLines="3" MaxLines="3" Text="{Binding ScreenshotPrompt}" />
         </StackPanel>
 
         <StackPanel Grid.Row="3" Grid.Column="0" Grid.ColumnSpan="2">
             <TextBlock Text="Audio Prompt" />
-        <TextBox Name="AudioPromptTextbox" TextWrapping="Wrap" MinLines="3" MaxLines="3"/>
+            <TextBox TextWrapping="Wrap" MinLines="3" MaxLines="3" Text="{Binding AudioPrompt}" />
         </StackPanel>
 
         <StackPanel Grid.Row="4" Grid.Column="0" Grid.ColumnSpan="2">
-            <Button Name="SaveSettingsBtn" Content="Save" Click="SaveSettingsBtn_OnClick"/>
+            <Button Content="Save" Click="SaveSettingsBtn_OnClick" />
         </StackPanel>
 
     </Grid>

ui/controls/SettingsUserControl.axaml.cs

@@ -9,20 +9,11 @@ public partial class SettingsUserControl : UserControl
     public SettingsUserControl()
     {
         InitializeComponent();
-
+        DataContext = InMemoryDb.Obj.SettingsViewModel;
-        ModelTextBox.Text = InMemoryDb.Obj.SettingsManager.Settings.Model;
-        ApiUrlTextBox.Text = InMemoryDb.Obj.SettingsManager.Settings.ApiURL;
-        ApiKeyTextBox.Text = InMemoryDb.Obj.SettingsManager.Settings.ApiKey;
-        ScreenshotPromptTextBox.Text = InMemoryDb.Obj.SettingsManager.Settings.ScreenshotPrompt;
-        AudioPromptTextbox.Text = InMemoryDb.Obj.SettingsManager.Settings.AudioPrompt;
     }
 
     private void SaveSettingsBtn_OnClick(object? sender, RoutedEventArgs e)
     {
-        InMemoryDb.Obj.SaveSettings(new AppSettings()
+        InMemoryDb.Obj.SaveSettings();
-        {
-            ApiKey = ApiKeyTextBox.Text, ApiURL = ApiUrlTextBox.Text, Model = ModelTextBox.Text,
-            ScreenshotPrompt = ScreenshotPromptTextBox.Text, AudioPrompt = AudioPromptTextbox.Text
-        });
     }
 }

ui/windows/MainWindow.axaml

@@ -3,8 +3,10 @@
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:iconPacks="https://github.com/MahApps/IconPacks.Avalonia"
+        xmlns:vm="using:highminded.models"
         mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
         x:Class="highminded.ui.windows.MainWindow"
+        x:DataType="vm:MainViewModel"
         Title="highminded"
         Height="600"
         Width="800"
@@ -18,10 +20,20 @@
         Foreground="#fff"
         TransparencyBackgroundFallback="Transparent"
         FontSize="16">
+
+    <Window.Styles>
+        <Style Selector="Border.recording">
+            <Setter Property="BorderBrush" Value="#19ffffff" />
+        </Style>
+        <Style Selector="Border.recording[IsVisible=True]">
+            <Setter Property="BorderBrush" Value="#997ce87c" />
+        </Style>
+    </Window.Styles>
+
     <Grid RowDefinitions="Auto,*" Margin="5" RowSpacing="10">
         <Border Grid.Row="0" CornerRadius="5" Background="Black" Opacity="0.8" PointerPressed="OnPointerPressed">
             <Grid ColumnDefinitions="*,Auto" Margin="15 10">
-                <TextBlock Grid.Column="0" VerticalAlignment="Center" Margin="5">High Minded</TextBlock>
+                <TextBlock Grid.Column="0" VerticalAlignment="Center" Margin="5" Text="{Binding AppName}" />
                 <StackPanel Grid.Column="1" Orientation="Horizontal" VerticalAlignment="Center"
                             HorizontalAlignment="Center">
                     <Border Background="Black" BorderBrush="#19ffffff" BorderThickness="2" CornerRadius="5"
@@ -29,7 +41,7 @@
                         <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Center"
                                     Spacing="5" Margin="10 0">
                             <TextBlock FontSize="12" Text="Hide:" />
-                            <TextBlock FontSize="12" Text="SHIFT + \" />
+                            <TextBlock FontSize="12" Text="{Binding HideShortcutKey}" />
                         </StackPanel>
                     </Border>
                     <Border Background="Black" BorderBrush="#19ffffff" BorderThickness="2" CornerRadius="5"
@@ -37,15 +49,31 @@
                         <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Center"
                                     Spacing="5" Margin="10 0">
                             <TextBlock FontSize="12" Text="Screen:" />
-                            <TextBlock FontSize="12" Text="SHIFT + S" />
+                            <TextBlock FontSize="12" Text="{Binding ScreenshotShortcutKey}" />
                         </StackPanel>
                     </Border>
-                    <Border Background="Black" BorderBrush="#19ffffff" BorderThickness="2" CornerRadius="5"
+                    <Border
+                        IsVisible="{Binding !IsRecording}"
+                        BorderBrush="#19ffffff"
+                        Background="Black"
+                        BorderThickness="2" CornerRadius="5"
                         Margin="0 0 10 0">
                         <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Center"
                                     Spacing="5" Margin="10 0">
                             <TextBlock FontSize="12" Text="Audio:" />
-                        <TextBlock FontSize="12" Text="SHIFT + A" />
+                            <TextBlock FontSize="12" Text="{Binding AudioShortcutKey}" />
+                        </StackPanel>
+                    </Border>
+                    <Border
+                        IsVisible="{Binding IsRecording}"
+                        BorderBrush="#997ce87c"
+                        Background="Black"
+                        BorderThickness="2" CornerRadius="5"
+                        Margin="0 0 10 0">
+                        <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Center"
+                                    Spacing="5" Margin="10 0">
+                            <TextBlock FontSize="12" Text="Audio:" />
+                            <TextBlock FontSize="12" Text="{Binding AudioShortcutKey}" />
                         </StackPanel>
                     </Border>
                     <Button Name="ChatBtn" Background="Transparent" Click="ChatBtnClick">
@@ -55,7 +83,7 @@
                         <iconPacks:PackIconLucide Grid.Column="1" Kind="Settings" Height="16" Width="16" />
                     </Button>
                     <Button Name="HideBtn" Background="Transparent" Click="HideBtnClick">
-                        <iconPacks:PackIconLucide Grid.Column="1" Kind="X" Height="13" Width="13"/>
+                        <iconPacks:PackIconLucide Grid.Column="1" Kind="X" Height="13" Width="13" />
                     </Button>
 
                 </StackPanel>

ui/windows/MainWindow.axaml.cs

@@ -6,6 +6,7 @@ using Avalonia.Interactivity;
 using Avalonia.Media;
 using Avalonia.Threading;
 using highminded.ui.controls;
+using highminded.utils;
 using SharpHook;
 using SharpHook.Data;
 
@@ -36,13 +37,14 @@ public partial class MainWindow : Window
     public MainWindow()
     {
         InitializeComponent();
+        DataContext = InMemoryDb.Obj.MainViewModel;
+
         UControl.Content = _chatUserControl;
         ChatBtnActive();
         HideOverlay();
         // Global Hotkey
         _hook.KeyPressed += OnKeyPressed;
         _hook.RunAsync();
-        _chatUserControl.SendAudio();
     }
 
     private void OnPointerPressed(object? sender, PointerPressedEventArgs e)
@@ -74,56 +76,6 @@ public partial class MainWindow : Window
         SettingsBtn.Background = new SolidColorBrush(Color.FromArgb(25, 255, 255, 255));
     }
 
-    private void OnKeyPressed(object? sender, KeyboardHookEventArgs e)
-    {
-        bool hasCtrl = (e.RawEvent.Mask & EventMask.Ctrl) != EventMask.None;
-        bool hasAlt = (e.RawEvent.Mask & EventMask.Alt) != EventMask.None;
-        bool hasShift = (e.RawEvent.Mask & EventMask.Shift) != EventMask.None;
-        bool hasH = e.Data.KeyCode == KeyCode.VcH;
-        bool hasBackslash = e.Data.KeyCode == KeyCode.VcBackslash;
-        bool hasA = e.Data.KeyCode == KeyCode.VcA;
-        bool hasS = e.Data.KeyCode == KeyCode.VcS;
-        bool hasQ = e.Data.KeyCode == KeyCode.VcQ;
-
-        if (hasCtrl && hasShift && hasAlt && hasH)
-        {
-            ShowOverlay();
-        }
-
-        if (hasShift && hasS)
-        {
-            Dispatcher.UIThread.Post(() => { _chatUserControl.SendScreenshot(); });
-        }
-
-        if (hasShift && hasA)
-        {
-            Dispatcher.UIThread.Post(() => { _chatUserControl.StartRecord(); });
-        }
-
-        if (hasAlt && hasShift && hasQ)
-        {
-            Dispatcher.UIThread.Post(() => { Environment.Exit(0); });
-        }
-
-        if (hasShift && hasBackslash)
-        {
-            Dispatcher.UIThread.Post(() =>
-            {
-                if (WindowState == WindowState.Minimized || !IsVisible)
-                {
-                    Show();
-                    WindowState = WindowState.Normal;
-                    Activate();
-                    Topmost = true;
-                }
-                else
-                {
-                    Hide();
-                }
-            });
-        }
-    }
-
     private void ShowOverlay()
     {
         var handle = TryGetPlatformHandle();
@@ -188,4 +140,54 @@ public partial class MainWindow : Window
     {
         Hide();
     }
+
+    private void OnKeyPressed(object? sender, KeyboardHookEventArgs e)
+    {
+        bool hasCtrl = (e.RawEvent.Mask & EventMask.Ctrl) != EventMask.None;
+        bool hasAlt = (e.RawEvent.Mask & EventMask.Alt) != EventMask.None;
+        bool hasShift = (e.RawEvent.Mask & EventMask.Shift) != EventMask.None;
+        bool hasH = e.Data.KeyCode == KeyCode.VcH;
+        bool hasBackslash = e.Data.KeyCode == KeyCode.VcBackslash;
+        bool hasA = e.Data.KeyCode == KeyCode.VcA;
+        bool hasS = e.Data.KeyCode == KeyCode.VcS;
+        bool hasQ = e.Data.KeyCode == KeyCode.VcQ;
+
+        if (hasCtrl && hasShift && hasAlt && hasH)
+        {
+            ShowOverlay();
+        }
+
+        if (hasShift && hasS)
+        {
+            Dispatcher.UIThread.Post(() => { _chatUserControl.SendScreenshot(); });
+        }
+
+        if (hasShift && hasA)
+        {
+            Dispatcher.UIThread.Post(() => { _chatUserControl.StartRecord(); });
+        }
+
+        if (hasAlt && hasShift && hasQ)
+        {
+            Dispatcher.UIThread.Post(() => { Environment.Exit(0); });
+        }
+
+        if (hasShift && hasBackslash)
+        {
+            Dispatcher.UIThread.Post(() =>
+            {
+                if (WindowState == WindowState.Minimized || !IsVisible)
+                {
+                    Show();
+                    WindowState = WindowState.Normal;
+                    Activate();
+                    Topmost = true;
+                }
+                else
+                {
+                    Hide();
+                }
+            });
+        }
+    }
 }

utils/AudioCapture.cs

@@ -1,51 +1,27 @@
-using NAudio.CoreAudioApi;
+using System.IO;
-using NAudio.Wave;
+using SoundFlow.Backends.MiniAudio;
+using SoundFlow.Components;
+using SoundFlow.Enums;
 
 namespace highminded.utils;
 
 public class AudioCapture
 {
-    private WasapiLoopbackCapture capture;
+    private readonly MiniAudioEngine _audioEngine = new(48000, Capability.Loopback);
-    private WaveFileWriter writer;
+    private Stream? _fileStream;
-    private string outputFilePath;
+    private Recorder? _recorder;
 
-    public AudioCapture()
+    public void StartRecording(string filePath)
     {
-        capture = new WasapiLoopbackCapture();
+        _fileStream = new FileStream(filePath, FileMode.Create, FileAccess.Write, FileShare.None);
-    }
+        _recorder = new Recorder(_fileStream, sampleRate: 48000);
-
+        _recorder.StartRecording();
-    public void StartRecording(string outPath)
-    {
-        writer = new WaveFileWriter(outPath, capture.WaveFormat);
-        capture.DataAvailable += Capture_DataAvailable;
-        capture.RecordingStopped += Capture_RecordingStopped;
-        capture.StartRecording();
     }
 
     public void StopRecording()
     {
-        capture.StopRecording();
+        _recorder?.StopRecording();
-    }
+        _recorder?.Dispose();
-
+        _fileStream?.Dispose();
-    public bool IsRecording()
-    {
-        if (capture.CaptureState == CaptureState.Capturing || capture.CaptureState == CaptureState.Starting)
-        {
-            return true;
-        }
-
-        return false;
-    }
-
-    private void Capture_DataAvailable(object sender, WaveInEventArgs e)
-    {
-        writer.Write(e.Buffer, 0, e.BytesRecorded);
-    }
-
-    private void Capture_RecordingStopped(object sender, StoppedEventArgs e)
-    {
-        writer.Flush();
-        writer.Dispose();
-        capture.Dispose();
     }
 }

utils/InMemoryDB.cs

@@ -1,5 +1,6 @@
 using System;
 using System.ClientModel;
+using highminded.models;
 using OpenAI;
 using OpenAI.Chat;
 
@@ -7,37 +8,45 @@ namespace highminded.utils;
 
 public class InMemoryDb
 {
-    internal ChatClient ChatClient;
+    public static readonly InMemoryDb Obj = new InMemoryDb();
-    internal SettingsManager<AppSettings> SettingsManager;
+
+    internal readonly SettingsManager<SettingsViewModel> SettingsManager;
+    internal readonly MainViewModel MainViewModel;
+    internal readonly ChatViewModel ChatViewModel;
+    internal readonly SettingsViewModel SettingsViewModel;
+    internal ChatClient? ChatClient;
 
     // Initialize Singleton Class
     private InMemoryDb()
     {
-        SettingsManager = new SettingsManager<AppSettings>();
+        SettingsManager = new SettingsManager<SettingsViewModel>();
-        if (SettingsManager.Settings.ApiKey != null)
+
+        MainViewModel = new MainViewModel();
+        ChatViewModel = new ChatViewModel();
+        SettingsViewModel = new SettingsViewModel();
+        SettingsViewModel = SettingsManager.Settings;
+
+        if (SettingsManager.Settings.ApiKey != string.Empty)
         {
-            InitOpenAIClient();
+            InitOpenAiClient();
         }
     }
 
-    public void InitOpenAIClient()
+    public void SaveSettings()
+    {
+        SettingsManager.Save();
+        InitOpenAiClient();
+    }
+
+    private void InitOpenAiClient()
     {
         ChatClient = new ChatClient(
             model: SettingsManager.Settings.Model,
             credential: new ApiKeyCredential(SettingsManager.Settings.ApiKey),
             options: new OpenAIClientOptions
             {
-                Endpoint = new Uri(SettingsManager.Settings.ApiURL)
+                Endpoint = new Uri(SettingsManager.Settings.ApiUrl)
             }
         );
     }
-
-    public void SaveSettings(AppSettings settings)
-    {
-        SettingsManager.Settings = settings;
-        SettingsManager.Save();
-        InitOpenAIClient();
-    }
-
-    public static readonly InMemoryDb Obj = new InMemoryDb();
 }

utils/SetttingsManager.cs

@@ -4,22 +4,12 @@ using System.Text.Json;
 
 namespace highminded.utils;
 
-public class AppSettings
-{
-    public string Model { get; set; }
-    public string ApiURL { get; set; }
-    public string ApiKey { get; set; }
-    public string ScreenshotPrompt { get; set; }
-    public string AudioPrompt { get; set; }
-
-}
-
 public class SettingsManager<T> where T : class, new()
 {
     private readonly string _settingsPath;
     public T Settings { get; internal set; }
 
-    public SettingsManager(string appName = "highminded")
+    public SettingsManager()
     {
         _settingsPath = Path.Combine(Environment.CurrentDirectory, "settings.json");
         Settings = Load();