Introduction

// Authentication & Session
builder.Services.AddScoped<IAuthService, AuthService>();
builder.Services.AddScoped<IJwtTokenService, JwtTokenService>();
builder.Services.AddScoped<UserSession>();
builder.Services.AddScoped<ProtectedLocalStorage>();

// Tour Management
builder.Services.AddScoped<ITourService, TourService>();

// Payment Processing
builder.Services.AddHttpClient<IPaypalService, PaypalService>();

// Utility Services
builder.Services.AddScoped<ICurrencyConversionService, CurrencyConversionService>();
builder.Services.AddScoped<IPostLikeService, PostLikeService>();
builder.Services.AddScoped<IReviewService, ReviewService>();
builder.Services.AddHttpClient<IAssistanceTextService, AssistanceTextService>();

public string HashPassword(string password)
{
    var salt = RandomNumberGenerator.GetBytes(Pbkdf2SaltSize);
    var hash = Rfc2898DeriveBytes.Pbkdf2(
        password,
        salt,
        Pbkdf2Iterations,
        HashAlgorithmName.SHA256,
        Pbkdf2KeySize);

    return $"{Convert.ToBase64String(salt)}:{Convert.ToBase64String(hash)}";
}