SlipItIn/SlipItIn/App.xaml.cs

using SlipItIn.Infrastructure;
using SlipItIn.Services.Interfaces;

namespace SlipItIn;

public partial class App : Application
{
	public App()
	{
		InitializeComponent();
	}

	protected override Window CreateWindow(IActivationState? activationState)
	{
		var window = new Window(new AppShell());

		window.Created += async (_, _) =>
		{
			await InitializeSafeAsync();
		};

		window.Resumed += async (_, _) =>
		{
			var gameStateService = ServiceHelper.GetRequiredService<IGameStateService>();
			await gameStateService.ResyncAsync();
		};

		return window;
	}

	private static async Task InitializeSafeAsync()
	{
		try
		{
			var authSession = ServiceHelper.GetRequiredService<IAuthSessionService>();
			var signalR = ServiceHelper.GetRequiredService<ISignalRService>();
			var gameStateService = ServiceHelper.GetRequiredService<IGameStateService>();
			var apiService = ServiceHelper.GetRequiredService<IApiService>();

			await authSession.InitializeAsync();
			await gameStateService.InitializeAsync();

			if (string.IsNullOrWhiteSpace(authSession.AccessToken))
				return;

			var isSessionValid = await apiService.ValidateSessionAsync();
			if (!isSessionValid)
			{
				await authSession.ClearSessionAsync();
				await gameStateService.ClearLocalGameDataAsync();
				await signalR.DisconnectAsync();
				return;
			}

			var connected = await signalR.ConnectAsync(authSession.AccessToken);
			if (connected)
				await gameStateService.ResyncAsync();
		}
		catch
		{
			// Start darf nicht abstürzen, wenn Session/Netzwerk fehlschlägt.
		}
	}
}