Program.cs

using System.Globalization;
using Blazored.LocalStorage;
using Microsoft.AspNetCore.Components.WebAssembly.Hosting;
using Microsoft.JSInterop;
using MudBlazor.Services;
using TaikoWebUI.Settings;
using TaikoWebUI.Utilities;

var builder = WebAssemblyHostBuilder.CreateDefault(args);
builder.RootComponents.Add<App>("#app");
builder.RootComponents.Add<HeadOutlet>("head::after");

// Create a temporary HttpClient to fetch the appsettings.json file
using var httpClient = new HttpClient();
httpClient.BaseAddress = new Uri(builder.HostEnvironment.BaseAddress);
var configurationStream = await httpClient.GetStreamAsync("appsettings.json");

// Load the configuration from the stream
var configuration = new ConfigurationBuilder()
    .AddJsonStream(configurationStream)
    .Build();

builder.Services.AddSingleton(sp => new HttpClient
{
    BaseAddress = new Uri(builder.HostEnvironment.BaseAddress)
});
builder.Services.AddMudServices();
builder.Services.AddSingleton<IGameDataService, GameDataService>();

// Configure WebUiSettings using the loaded configuration
builder.Services.Configure<WebUiSettings>(configuration.GetSection(nameof(WebUiSettings)));

builder.Services.AddScoped<AuthService>();
builder.Services.AddLocalization();
builder.Services.AddSingleton<MudLocalizer, ResXMudLocalizer>();
builder.Services.AddSingleton<ScoreUtils>();
builder.Services.AddSingleton<StringUtil>();
builder.Services.AddSingleton<BreadcrumbsStateContainer>();
builder.Services.AddBlazoredLocalStorage();

var host = builder.Build();

var gameDataService = host.Services.GetRequiredService<IGameDataService>();
await gameDataService.InitializeAsync(builder.HostEnvironment.BaseAddress);

CultureInfo culture;
var js = host.Services.GetRequiredService<IJSRuntime>();
var result = await js.InvokeAsync<string?>("blazorCulture.get");

if (result is not null)
{
    culture = new CultureInfo(result);
}
else
{
    culture = new CultureInfo("en-US");
    await js.InvokeVoidAsync("blazorCulture.set", "en-US");
}

CultureInfo.DefaultThreadCurrentCulture = culture;
CultureInfo.DefaultThreadCurrentUICulture = culture;

await host.RunAsync();