Program.cs

using Microsoft.AspNetCore.Components.Authorization;
using Microsoft.AspNetCore.Identity;
using Microsoft.EntityFrameworkCore;
using JMPPAD.Areas.Identity;
using JMPPAD.Data;
using JMPPAD.Data.Tables.UserData;
using JMPPAD.Helpers;
using JMPPAD.Services;
using MudBlazor;
using MudBlazor.Services;

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.
var connectionString = builder.Configuration.GetConnectionString("DefaultConnection") ??
                       throw new InvalidOperationException("Connection string 'DefaultConnection' not found.");

builder.Services.AddDbContext<ApplicationDbContext>(options => { options.UseSqlite(connectionString); });
builder.Services.AddDatabaseDeveloperPageExceptionFilter();
builder.Services.AddDefaultIdentity<ApplicationUser>(options => { options.SignIn.RequireConfirmedAccount = false; })
    .AddEntityFrameworkStores<ApplicationDbContext>();
builder.Services.AddRazorPages();
builder.Services.AddServerSideBlazor();

builder.Services.AddScoped<AuthenticationStateProvider, RevalidatingIdentityAuthenticationStateProvider<IdentityUser>>();
builder.Services.AddScoped<DeckHelpers>();
builder.Services.AddSingleton<ManaHelpers>();

builder.Services.AddMudServices(config =>
{
    config.SnackbarConfiguration.PositionClass = Defaults.Classes.Position.BottomLeft;

    config.SnackbarConfiguration.PreventDuplicates = true;
    config.SnackbarConfiguration.NewestOnTop = false;
    config.SnackbarConfiguration.ShowCloseIcon = false;
    config.SnackbarConfiguration.VisibleStateDuration = 1000;
    config.SnackbarConfiguration.HideTransitionDuration = 250;
    config.SnackbarConfiguration.ShowTransitionDuration = 250;
    config.SnackbarConfiguration.SnackbarVariant = Variant.Filled;
});

var app = builder.Build();

// Configure the HTTP request pipeline.
if (app.Environment.IsDevelopment())
{
    app.UseMigrationsEndPoint();
}
else
{
    app.UseExceptionHandler("/Error");
    // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
    app.UseHsts();
}

app.UseHttpsRedirection();

app.UseStaticFiles();

app.UseRouting();

app.UseAuthentication();
app.UseAuthorization();

app.UseMiddleware<LoginMiddleware>();

app.MapControllers();
app.MapBlazorHub();
app.MapFallbackToPage("/_Host");

if (args.Contains("/seed"))
{
    await Seeder.Start(app);
    return;
}

app.Run();