public static User Login()
        {
            using IPizzaboxRepository pizzaboxRepository = DbOptions.CreatePizzaboxRepository();
            User Me = new User();

            trials = 3;
            do
            {
                #region Username and Password Entry
                Console.WriteLine("USER LOGIN");
                Console.Write("Username: "******"Password: "******"authentication");
                    continue;
                }
                #endregion

                #region Authentication
                Me = AuthorizedUser;
                bool success = false;
                switch (Me.SessionLive)
                {
                //ALREADY LOGGED IN
                case 1:
                /*
                 * Error("session");
                 * break;
                 */

                //NOT LOGGED IN
                case 0:
                    Console.WriteLine("Login successful\n");
                    Me.SessionLive = 1;
                    pizzaboxRepository.UpdateUser(Me);
                    success = true;
                    break;
                }

                if (success)
                {
                    break;
                }
                #endregion
            } while (trials > 0);

            return(Me);
        }
        public void Fail_Authentication()
        {
            // ARRANGE
            using IPizzaboxRepository pizzaboxRepository = DbOptions.CreatePizzaboxRepository();
            User Expected = null;

            string[] username_auth = { "admin", "Uname23", "Admin", "uname23", "ad", "Uname", "Password123", "adminpass" };
            string[] password_auth = { "adminpas", "Password", "adminpass", "Password123", "admin", "password123", "Uname23", "admin" };

            for (int i = 0; i < username_auth.Length; i++)
            {
                // ACT
                User Actual = pizzaboxRepository.UserAuthentication(username_auth[i], password_auth[i]);

                // ASSERT
                Assert.Equal(Expected, Actual);
            }
        }