jpd21122012

    // In your Maui app's login service
    public async Task<bool> LoginAsync(string username)
    {
        // 1. Request a challenge from the server for this user
        string challenge = await _apiService.GetLoginChallengeAsync(username);
        
        // 2. Load the user's private key from secure storage
        string privateKeyBase64 = await SecureStorage.GetAsync("user_privateKey");
        byte[] privateKeyBytes = Convert.FromBase64String(privateKeyBase64);
        

jpd21122012

    // In your ASP.NET Core API Controller
    [HttpPost("register")]
    public async Task<IActionResult> Register([FromBody] UserRegistrationRequest request)
    {
        // In a real app, add validation, check for existing user, etc.
        var newUser = new User
        {
            Username = request.Username,
            // Store the user's public key for future verification
            PublicKey = request.PublicKeyBase64,

jpd21122012

    public void OnRegisterButtonClicked(string username)
    {
        // Create a new key pair using the Ed25519 signature algorithm
        var algorithm = SignatureAlgorithm.Ed25519;
        var creationParameters = new KeyCreationParameters
        {
            ExportPolicy = KeyExportPolicies.AllowPlaintextArchiving
        };
        
        // This is the user's SECRET. Store this securely!

jpd21122012

MyMauiAiApp/
├── Services/
│   ├── IAIService.cs
│   └── OpenAIService.cs
├── Utilities/
│   └── JsonToXamlConverter.cs
├── Models/
│   └── UISchema.cs
├── Views/
│   └── MainPage.xaml

jpd21122012

private async void OnGenerateClicked(object sender, EventArgs e)
{
    try
    {
        // 1. Get the user's prompt
        string userDescription = PromptEditor.Text;

        if (string.IsNullOrWhiteSpace(userDescription))
            return;

jpd21122012

<ScrollView>
    <VerticalStackLayout Spacing="20" Padding="20">
        <Label Text="AI UI Generator" FontSize="Title" HorizontalOptions="Center" />
        <Editor x:Name="PromptEditor"
                HeightRequest="150"
                Placeholder="Describe your interface... E.g., 'A login page with a logo, two entries, and a blue button'" />
        <Button Text="Generate XAML" Clicked="OnGenerateClicked" />
        <Editor x:Name="XamlOutput"
                HeightRequest="300"
                IsReadOnly="True"

jpd21122012

using Newtonsoft.Json;
using System.Text;

public static class JsonToXamlConverter
{
    public static string Convert(string jsonInput)
    {
        try
        {
            // 1. Deserialize JSON into strongly-typed C# classes

jpd21122012

public interface IAIService
{
    Task<string> GenerateUIJsonAsync(string userPrompt);
}

public class OpenAIService : IAIService
{
    private readonly OpenAIClient _client;
    private const string _model = "gpt-4o"; // or "gpt-3.5-turbo"

jpd21122012

// In MauiProgram.cs or a Service Factory
services.AddSingleton<IAIService>(new OpenAIService("your-openai-api-key"));

jpd21122012

You are an assistant specialized in generating user interface schemas for .NET MAUI in JSON format.
The user will describe a screen, and you must generate a valid JSON object that represents it.

**Rules:**
1.  **Respond only with the raw JSON object, no commentary, markdown, or extra text.**
2.  **JSON Structure:**
    - Use the schema provided below.
    - Control types must be valid .NET MAUI types (e.g., 'VerticalStackLayout', 'Button', 'Label').
    - All property values must be strings.