public IActionResult Login([FromBody] Users Login)
        {
            var token = _login.GenerateToken(Login);

            if (token == "Username or password is incorrect")
            {
                return(NotFound("Invalid username or password"));
            }
            else if (token == "Already logged in")
            {
                return(BadRequest());
            }
            else
            {
                return(Ok(new { token }));
            }
        }