public string MailToAdress = "przemek7799@gmail.com";
        public string MailFromAdress = "przemek7799@gmail.com";
        public bool UseSsl = true;
        public string Username = "przemek7799@gmail.com";
        public string Password = "";
        public string ServerName = "smtp.gmail.com";
        public int ServerPort = 587;
        public bool WriteAsFile = false;
        public string FileLocation = @"C:\Users\przem\Desktop\aaa";
    }

    public class EmailOrderProcessor : IOrderProcessor
    {
        private EmailSettings emailSettings;
        public EmailOrderProcessor(EmailSettings settings)
        {
            emailSettings = settings;
        }
        public void ProcessOrder(Cart cart, ShippingDetails shippingDetails)
        {
            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().AppendLine("Nowe zamówienie").AppendLine("---").Append("Produkty");
                foreach(var line in cart.Lines)
                {
                    var subtotal = line.Product.Price * line.Quantity;
                    body.AppendFormat("{0} x {1} (wartość: {2:c}", line.Quantity, line.Product.Name, subtotal);
                }

                body.AppendFormat("Wartośc całkowita: {0:c}", cart.ComputeTotalValue())
                    .AppendLine("---")
                    .AppendLine("Wysyłka dla:")
                    .AppendLine(shippingDetails.Name)
                    .AppendLine(shippingDetails.Line1)
                    .AppendLine(shippingDetails.Line2 ?? "")
                    .AppendLine(shippingDetails.Line3 ?? "")
                    .AppendLine(shippingDetails.City)
                    .AppendLine(shippingDetails.State ?? "")
                    .AppendLine(shippingDetails.Country)
                    .AppendLine(shippingDetails.Zip)
                    .AppendLine("---")
                    .AppendFormat("Pakowanie prezentu: {0}", shippingDetails.GiftWrap ? "Tak" : "Nie");

                MailMessage mailMessage = new MailMessage(
                    emailSettings.MailFromAdress, emailSettings.MailToAdress, "Otrzymano zamówienie!", body.ToString());

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