feat: initial commit

ui/controls/ChatUserControl.axaml

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+<UserControl xmlns="https://github.com/avaloniaui"
+             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"
+             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+             x:Class="highminded.ui.controls.ChatUserControl">
+    
+        <Grid RowDefinitions="*,Auto" Margin="15" RowSpacing="10">
+            <HtmlPanel Grid.Row="0" Name="ResultBlock" BaseStylesheet="* { font: Inter; color: white; }" />
+            <TextBox Grid.Row="1" Name="PromptBox" CornerRadius="5" TextWrapping="Wrap"
+                     KeyDown="PromptBox_OnKeyDown" />
+        </Grid>
+    
+</UserControl>

ui/controls/ChatUserControl.axaml.cs

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+using Avalonia.Controls;
+using System;
+using System.ClientModel;
+using System.Text;
+using Avalonia.Input;
+using highminded.utils;
+using OpenAI.Chat;
+using OpenAI;
+using Markdig;
+using Markdown.ColorCode;
+
+namespace highminded.ui.controls;
+
+public partial class ChatUserControl : UserControl
+{
+    
+    // OpenAI
+    private readonly OpenAI.Chat.ChatClient _client = null!;
+    private readonly MarkdownPipeline _pipeline = null!; 
+    
+    public ChatUserControl()
+    {
+        InitializeComponent();
+        
+        _client = new ChatClient(
+            model: InMemoryDb.Obj.settingsManager.Settings.Model,
+            credential: new ApiKeyCredential(InMemoryDb.Obj.settingsManager.Settings.ApiKey),
+            options: new OpenAIClientOptions
+            {
+                Endpoint = new Uri(InMemoryDb.Obj.settingsManager.Settings.ApiURL)
+            });
+
+        _pipeline = new MarkdownPipelineBuilder().UseAdvancedExtensions().UseColorCode().Build(); 
+    }
+    
+    private async void PromptBox_OnKeyDown(object? sender, KeyEventArgs e)
+    {
+        try
+        {
+            if (e.Key != Key.Enter) return;
+
+            var prompt = PromptBox.Text;
+            if (prompt is null) return;
+            PromptBox.Clear();
+
+            AsyncCollectionResult<StreamingChatCompletionUpdate> completionUpdates =
+                _client.CompleteChatStreamingAsync(prompt);
+
+            var responseBuilder = new StringBuilder();
+
+            await foreach (var completionUpdate in completionUpdates)
+            {
+                if (completionUpdate.ContentUpdate.Count <= 0) continue;
+
+                var token = completionUpdate.ContentUpdate[0].Text;
+                responseBuilder.Append(token);
+
+                var html = Markdig.Markdown.ToHtml(responseBuilder.ToString(), _pipeline);
+                ResultBlock.Text = html;
+            }
+        }
+        catch (Exception err)
+        {
+            ResultBlock.Text = err.Message;
+        }
+    }
+}

ui/controls/SettingsUserControl.axaml

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+<UserControl xmlns="https://github.com/avaloniaui"
+             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"
+             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+             x:Class="highminded.ui.controls.SettingsUserControl">
+
+    <Grid Margin="15" RowSpacing="10" ColumnSpacing="10" RowDefinitions="Auto,Auto,Auto" ColumnDefinitions="*,*">
+        
+        <StackPanel Grid.Row="0" Grid.Column="0">
+            <TextBlock Text="Model" />
+            <TextBox Name="ModelTextBox" />
+        </StackPanel>
+        
+        <StackPanel Grid.Row="0" Grid.Column="1">
+            <TextBlock Text="API URL" />
+            <TextBox Name="ApiUrlTextBox" />
+        </StackPanel>
+        
+        <StackPanel Grid.Row="1" Grid.Column="0" Grid.ColumnSpan="2">
+            <TextBlock Text="API Key" />
+            <TextBox Name="ApiKeyTextBox" PasswordChar="*" />
+        </StackPanel>
+        
+        <StackPanel Grid.Row="2" Grid.Column="0" Grid.ColumnSpan="2">
+            <Button Name="SaveSettingsBtn" Content="Save" Click="SaveSettingsBtn_OnClick"/>
+        </StackPanel> 
+        
+    </Grid>
+</UserControl>

ui/controls/SettingsUserControl.axaml.cs

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+using System;
+using System.Diagnostics;
+using System.Reflection;
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Markup.Xaml;
+using highminded.utils;
+
+namespace highminded.ui.controls;
+
+public partial class SettingsUserControl : UserControl
+{
+    public SettingsUserControl()
+    {
+        InitializeComponent();
+
+        ModelTextBox.Text = InMemoryDb.Obj.settingsManager.Settings.Model;
+        ApiUrlTextBox.Text = InMemoryDb.Obj.settingsManager.Settings.ApiURL;
+        ApiKeyTextBox.Text = InMemoryDb.Obj.settingsManager.Settings.ApiKey;
+    }
+
+    private void SaveSettingsBtn_OnClick(object? sender, RoutedEventArgs e)
+    {
+        InMemoryDb.Obj.settingsManager.Settings.Model = ModelTextBox.Text;
+        InMemoryDb.Obj.settingsManager.Settings.ApiURL= ApiUrlTextBox.Text;
+        InMemoryDb.Obj.settingsManager.Settings.ApiKey = ApiKeyTextBox.Text;
+       InMemoryDb.Obj.settingsManager.Save(); 
+    }
+}