MauiProgram.cs

using BooksTracker.Models;
using BooksTracker.Services;
using BooksTracker.ViewModels;
using BooksTracker.Views;
using CommunityToolkit.Maui;
using Microsoft.Extensions.Logging;
using Supabase;

namespace BooksTracker;

public static class MauiProgram
{
	public static MauiApp CreateMauiApp()
	{
		var builder = MauiApp.CreateBuilder();
		builder.UseMauiApp<App>()
		    .UseMauiCommunityToolkit()
		    .ConfigureFonts(fonts =>
		    {
		      fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");
		      fonts.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold");
		    });

		// Configure Supabase
		var url = AppConfig.SUPABASE_URL;
		var key = AppConfig.SUPABASE_KEY;
		builder.Services.AddSingleton(provider => new Supabase.Client(url, key));

		// Add ViewModels
		builder.Services.AddSingleton<BooksListingViewModel>();
		builder.Services.AddTransient<AddBookViewModel>();
		builder.Services.AddTransient<UpdateBookViewModel>();

		// Add Views
		builder.Services.AddSingleton<BooksListingPage>();
		builder.Services.AddTransient<AddBookPage>();
		builder.Services.AddTransient<UpdateBookPage>();

		// Add Data Service
		builder.Services.AddSingleton<IDataService, DataService>();


#if DEBUG
        builder.Logging.AddDebug();
#endif

		return builder.Build();
	}
}