using System;
using System.Net;
using System.Net.Mail;
using System.Configuration;
using System.Web.UI;

namespace www
{
    public partial class Contact : Page
    {
        protected void Page_Load(object sender, EventArgs e) { }

        protected void btnPost_Click(object sender, EventArgs e)
        {
            string name    = txName.Text.Trim();
            string email   = txEmail.Text.Trim();
            string subject = txSubject.Text.Trim();
            string reason  = dropReason.SelectedItem.Text;
            string message = txMessage.Text.Trim();

            if (string.IsNullOrEmpty(name) || string.IsNullOrEmpty(email) || string.IsNullOrEmpty(message))
                return;

            try
            {
                var smtp = new SmtpClient
                {
                    Host                  = "smtp.gmail.com",
                    Port                  = 587,
                    EnableSsl             = true,
                    DeliveryMethod        = SmtpDeliveryMethod.Network,
                    UseDefaultCredentials = false,
                    Credentials           = new NetworkCredential(
                        ConfigurationManager.AppSettings["SmtpUser"],
                        ConfigurationManager.AppSettings["SmtpPass"]
                    )
                };

                string body = string.Format(
                    "Name:    {0}\nEmail:   {1}\nReason:  {2}\n\n{3}",
                    name, email, reason, message
                );

                var mail = new MailMessage
                {
                    From       = new MailAddress("atsigma@gmail.com", "AdvTech Website"),
                    Subject    = "[AdvTech Contact] " + subject,
                    Body       = body,
                    IsBodyHtml = false
                };

                mail.To.Add("atsigma@gmail.com");
                mail.ReplyToList.Add(new MailAddress(email, name));

                smtp.Send(mail);

                // Show success banner
                alertSuccess.Visible = true;

                // Clear the form
                txName.Text    = string.Empty;
                txEmail.Text   = string.Empty;
                txSubject.Text = string.Empty;
                txMessage.Text = string.Empty;
                dropReason.SelectedIndex = 0;
            }
            catch (Exception ex)
            {
                System.Diagnostics.Debug.WriteLine("Mail send error: " + ex.Message);
            }
        }
    }
}