Program.cs

// Program.cs (using .NET 6+ minimal APIs structure)

using User_Remittance.Services.Interfaces;
using User_Remittance.Services.Implementation;
using User_Remittance.Services.Interfaces;
using User_Remittance.Services.Implementation; // Your simulated services

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.
builder.Services.AddControllersWithViews();

// --- Register your SIMULATED services ---
// Use AddScoped for services that might maintain state within a request
// Use AddTransient for lightweight, stateless services
// Use AddSingleton for services that should have only one instance (like configuration or logging)
builder.Services.AddScoped<IAccountService, SimulatedAccountService>();
builder.Services.AddScoped<IBneficiaryService, SimulatedBeneficiaryService>(); // Assuming you created this
builder.Services.AddScoped<IExchangeRateService, SimulatedExchangeRateService>();
builder.Services.AddScoped<IFeeCalculationService, SimulatedFeeCalculationService>(); // Assuming you created this
builder.Services.AddScoped<IRemittanceProcessingService, SimulatedRemittanceProcessingService>();

// --- Add Authentication/Authorization (Example placeholder) ---
// In a real app, configure Identity, Cookies, JWT, or other auth schemes
// builder.Services.AddAuthentication(...);
// builder.Services.AddAuthorization();

// Add TempData provider (needed for passing data between redirects)
// Requires session state
builder.Services.AddDistributedMemoryCache(); // Or use SQL Server / Redis for distributed cache
builder.Services.AddSession(options =>
{
    options.IdleTimeout = TimeSpan.FromMinutes(20); // Set session timeout
    options.Cookie.HttpOnly = true;
    options.Cookie.IsEssential = true; // Make session cookie essential
});


var app = builder.Build();

// Configure the HTTP request pipeline.
if (!app.Environment.IsDevelopment())
{
    app.UseExceptionHandler("/Home/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.UseSession(); // IMPORTANT: Call UseSession before UseAuthorization and UseEndpoints

// app.UseAuthentication(); // Enable if configured
app.UseAuthorization();

app.MapControllerRoute(
    name: "default",
    pattern: "{controller=Home}/{action=Index}/{id?}");

app.Run();

// --- Make sure you create the missing simulated services: ---
// SimulatedBeneficiaryService.cs
// SimulatedFeeCalculationService.cs
// (Implement them similar to SimulatedAccountService with in-memory data)