public void ProcessOrder(Cart cart, ShippingDetails shippingInfo)
        {
            using (var smtpClient = new SmtpClient())
            {
                smtpClient.EnableSsl = emailSettings.UseSsl;
                smtpClient.Host = emailSettings.ServerName;
                smtpClient.Port = emailSettings.ServerPort;
                smtpClient.UseDefaultCredentials = false;
                smtpClient.Credentials = new NetworkCredential(emailSettings.Username, emailSettings.Password);

                if (emailSettings.WriteAsFile)
                {
                    smtpClient.DeliveryMethod = SmtpDeliveryMethod.SpecifiedPickupDirectory;
                    smtpClient.PickupDirectoryLocation = emailSettings.FileLocation;
                    smtpClient.EnableSsl = false;
                }

                StringBuilder body = new StringBuilder()
                   .Append("A new order has been submitted")
                   .AppendLine("----")
                   .AppendLine("Items:");

                foreach (var line in cart.Lines)
                {
                    var subTotal = line.Fruit.Price * line.Quantity;
                    body.AppendFormat("{0}x{1} (subtotal:2:c)", line.Quantity,
                      line.Fruit.Price,
                      subTotal);
                }

                body.AppendFormat("Total order value:{0:c}", cart.ComputeTotalValue())
                    .AppendLine("----")
                    .AppendLine("Ship to:")
                    .AppendLine(shippingInfo.Name)
                    .AppendLine(shippingInfo.Line1 ?? "")
                    .AppendLine(shippingInfo.Line2 ?? "")
                    .AppendLine(shippingInfo.Line3 ?? "")
                    .AppendLine(shippingInfo.City ?? "")
                    .AppendLine(shippingInfo.State ?? "")
                    .AppendLine(shippingInfo.Country)
                    .AppendLine(shippingInfo.Zip)
                    .AppendLine("---")
                    .AppendFormat("Gift wrap:{0}", shippingInfo.GiftWrap ? "Yes" : "No");

                MailMessage mailMessage = new MailMessage(
                       emailSettings.MailFromAddress,
                       emailSettings.MailToAddress,
                       "New Order Submitted",
                       body.ToString());

                if (emailSettings.WriteAsFile)
                {
                    mailMessage.BodyEncoding = Encoding.ASCII;
                }

                /// how to send email correctly???

                smtpClient.Send(mailMessage);
            }
        }
        public ViewResult Checkout(Cart cart, ShippingDetails shippingDetails)
        {
            
            if (cart.Lines.Count() == 0)
            {
                ModelState.AddModelError("", "Sorry, your cart is empty");
            }
            if (ModelState.IsValid)
            {
                //orderProcessor.ProcessOrder(cart, shippingDetails);
                cart.Clear();
                return View("Completed");

            }
            else
            {
                return View(shippingDetails);
            }
        }