Untitled

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

using System.Net.Mail;
using System.Net;

using System.Timers;

using System.Web;
using System.IO;

using System.Management;
using System.Text.RegularExpressions;

namespace BDEmailer
{
    public partial class Form1 : Form
    {
        public struct Settings
        {
            public static readonly string filepath = @"C:\email";
            //public static readonly string filepath = "V:\\DATA\\BD_AAI\\email";

        }

        private class EmailInformation
        {
            public readonly string server;
            public readonly string user;
            public readonly string pass;
            public readonly string from;
            public readonly string subject;
            public readonly string to;

            public EmailInformation(string to)
            {
                server = "mail.vanikinteractive.com";
                user = "info@vanikinteractive.com";
                pass = "info01";
                from = "info@vanikinteractive.com";
                subject = "Your Brilliantly Colored Masterpiece from BD";
                this.to = to;
            }

            private readonly string serverPath = "http://www.vanikftp.com/bd_aai/photos/";
            public string MailBody(string filePath)
            {
                StringBuilder mailBody = new StringBuilder();
                mailBody.AppendFormat("<html>");

                mailBody.AppendFormat("<body>");

                mailBody.AppendFormat("<table width='100 % ' align='center'>");

                mailBody.AppendFormat("<tr>");

                mailBody.AppendFormat("<td align='center'><a href=" + serverPath + filePath + " download='face2.jpg'><button id='Button1'>Click here to Download your Masterpiece</button></a></td>");

                mailBody.AppendFormat("</tr>");

                mailBody.AppendFormat("<tr>");

                mailBody.AppendFormat("<td align='center'>or right-click the image below and choose save image as</td>");

                mailBody.AppendFormat("</tr>");

                mailBody.AppendFormat("<tr>");

                mailBody.AppendFormat("<td align='center'><img src=" + serverPath + filePath + " border='0' alt=''></td>");

                mailBody.AppendFormat("</tr>");

                mailBody.AppendFormat("</table>");

                mailBody.AppendFormat("</body>");

                mailBody.AppendFormat("</html>");

                return mailBody.ToString();
            }
        }


        System.Timers.Timer t;
        public Form1()
        {
            InitializeComponent();
            t = new System.Timers.Timer(60000);
            t.Elapsed += T_Elapsed;
            t.Enabled = true;
        }

        private void T_Elapsed(object sender, ElapsedEventArgs e)
        {
            SendProcess();
        }

        private void SendMail_Click(object sender, EventArgs e)
        {
            SendProcess();
        }

        private List<Tuple<string, string>> EmailFileList;
        public void SendProcess()
        {
            try
            {
                Files = Emails = new List<string>();
                EmailFileList = new List<Tuple<string, string>>();
                ProcessDirectory(Settings.filepath, ref Files);
                Emails = FindEmails(Files);

                for (int i = 0; i < Files.Count; i++)
                {
                    UploadFTP(Files[i], Emails[i]);
                }

                for (int i = 0; i < Emails.Count; i++)
                {

                    EmailInformation info = new EmailInformation(Emails[i]);
                    SendEmail(info.to, info.from, info.subject, info.MailBody("_" + Emails[i] + "_.jpg")
                        , info.server, info.user, info.pass);
                }

                string files = "";
                foreach (string file in Files)
                    files += file + "\n";

                string emails = "";
                foreach (string email in Emails)
                    emails += email + "\n";

                MessageBox.Show("Email Sent Successfully\n" + files + emails);
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        private readonly string user = "vi-ftp-becton";
        private readonly string pass = "bD2016vi^^";
        private void UploadFTP(string filepath, string email)
        {

            FtpWebRequest ftpClient = (FtpWebRequest)FtpWebRequest.Create(@"ftp://vanikftp.com/" + "_" + email + "_" + ".jpg");
            ftpClient.Credentials = new System.Net.NetworkCredential(user, pass);
            ftpClient.Method = System.Net.WebRequestMethods.Ftp.UploadFile;
            ftpClient.UseBinary = true;
            ftpClient.KeepAlive = true;
            System.IO.FileInfo fi = new System.IO.FileInfo(filepath);
            ftpClient.ContentLength = fi.Length;
            byte[] buffer = new byte[4097];
            int bytes = 0;
            int total_bytes = (int)fi.Length;
            System.IO.FileStream fs = fi.OpenRead();
            System.IO.Stream rs = ftpClient.GetRequestStream();
            while (total_bytes > 0)
            {
                bytes = fs.Read(buffer, 0, buffer.Length);
                rs.Write(buffer, 0, bytes);
                total_bytes = total_bytes - bytes;
            }
            //fs.Flush();
            fs.Close();
            rs.Close();
            FtpWebResponse uploadResponse = (FtpWebResponse)ftpClient.GetResponse();
            //value = uploadResponse.StatusDescription;
            uploadResponse.Close();

        }

        List<string> Emails;
        readonly char delimitChar = '_';
        private List<string> FindEmails (List<string> Files)
        {
            List<string> emails = new List<string>();
            foreach (string s in Files)
            {
                string[] words = s.Split(delimitChar);
                foreach (string w in words)
                {
                    if (w.Contains("@"))
                    {
                        emails.Add(w);
                        EmailFileList.Add(new Tuple<string, string>(w, s));
                    }
                }
            }
            return emails;
        }

        List<string> Files;
        private void ProcessDirectory(string targetDirectory, ref List<string> Files)
        {
            string directory = targetDirectory;
            try
            {
                string[] fileEntries = Directory.GetFiles(Settings.filepath); //Directory.GetFiles(directory);
                foreach (string fileName in fileEntries)
                    Files.Add(fileName);

                //string[] subdirectories = Directory.GetDirectories(directory);
                //foreach (string subdirectory in subdirectories)
                //    ProcessDirectory(subdirectory, ref Files);
            }
            catch(Exception e)
            {
                throw e;
            }
        }

        List<string> alreadySent = new List<string>();
        public void SendEmail(string emailTo, string emailFrom, string subject, string body, string server, string user, string pass)
        {
            TextReader tr = new StreamReader(AppDomain.CurrentDomain.BaseDirectory + @"\" + "sent.txt");
            string line;
            int counter = 0;

            while ((line = tr.ReadLine()) != null)
            {
                alreadySent.Add(line);
                counter++;
            }

            tr.Close();

            if (alreadySent.Contains(emailTo))
                return;

            try
            {
                MailMessage m;

                m = new MailMessage(new MailAddress(emailFrom), new MailAddress(emailTo));

                m.IsBodyHtml = true;
                m.Subject = subject;

                m.Body = body;

                SmtpClient sc = new SmtpClient();
                sc.Credentials = new NetworkCredential(user, pass);
                sc.Host = server;
                sc.EnableSsl = false;

                sc.Send(m);

                System.IO.StreamWriter file = new System.IO.StreamWriter(AppDomain.CurrentDomain.BaseDirectory + @"\" + "sent.txt", true);
                file.WriteLine(emailTo);
                file.Close();
            }
            catch(Exception e)
            {
                return;
            }

        }


    }
}