using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Web;
using System.Net;
using System.Net.NetworkInformation;
using System.IO;
using System.Net.Mail;
using Microsoft.Win32;
using System.Threading;
using System.Diagnostics;
namespace AlienBlob_s_Mailer
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        public static string selEmail = "";
        public static string selsmtp = "";
        public static string selpassword = "";
        private void AlienBlobMailer_Load(object sender, EventArgs e)
        {
            InformationWindow.ReadOnly = true;
            FileLoader.RunWorkerAsync();
            if(!Directory.Exists(Application.StartupPath + "\\Data"))
            {
                Directory.CreateDirectory(Application.StartupPath + "\\Data");
                Directory.CreateDirectory(Application.StartupPath + "\\Data\\Adressbook");
                Directory.CreateDirectory(Application.StartupPath + "\\Data\\Saved Mails");
                Directory.CreateDirectory(Application.StartupPath + "\\Data\\User Info");
            }
        }
        private void SenderWorker_DoWork(object sender, DoWorkEventArgs e)
        {
            try
            {
                MailMessage mail = new MailMessage();
                SmtpClient SmtpServer = new SmtpClient(Smtp.Text, 587);
                SmtpServer.UseDefaultCredentials = false;
                SmtpServer.Credentials = new NetworkCredential(UserAdress.Text, Password.Text);
            SmtpServer.EnableSsl = true;
            foreach (string mailAddr in Recipients.Text.Split(Environment.NewLine.ToCharArray(), StringSplitOptions.RemoveEmptyEntries))
            {
                mail.To.Add(mailAddr);
            }
            mail.From = new MailAddress (UserAdress.Text);
            mail.Subject = Subject.Text;
            mail.Body = TheMail.Text;
            SmtpServer.Send(mail);
            InformationWindow.Text = InformationWindow.Text + Environment.NewLine + ("[") + DateTime.Now.ToString("HH:mm:ss tt") + ("] ") + (" Email sent...");
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Error: " + ex.Message, MessageBoxButtons.OK, MessageBoxIcon.Error);
                InformationWindow.Text = InformationWindow.Text + Environment.NewLine + ("[") + DateTime.Now.ToString("HH:mm:ss tt") + ("] ") + (" Email not sent...");
            }
            finally
            {
            }
        }
        private void SendMailBtn_Click(object sender, EventArgs e)
        {
            SenderWorker.RunWorkerAsync();
            InformationWindow.Text = InformationWindow.Text + Environment.NewLine + ("[") + DateTime.Now.ToString("HH:mm:ss tt") + ("] ") + (" Sending Email...");
        }
        private void SaveUser_Click(object sender, EventArgs e)
        {
            try
            {
                StreamWriter abc = new StreamWriter(Application.StartupPath + "\\Data\\User Info\\" + User.Text + ".dll", true);
            abc.WriteLine(User.Text);
            abc.WriteLine(UserAdress.Text);
            abc.WriteLine(Password.Text);
            abc.WriteLine(Smtp.Text);
            abc.Dispose();
            abc.Close();
            cbUser.Items.Clear();
            FileLoader.RunWorkerAsync();
            FileStream fs = new FileStream(Application.StartupPath + "\\Data\\User Info\\" + User.Text + ".dll", FileMode.Create, FileAccess.Write);
            StreamWriter s = new StreamWriter(fs);
            s.BaseStream.Seek(0, SeekOrigin.End);
            s.WriteLine("<username>" + User.Text + "</username>");
            s.WriteLine("<mail>" + UserAdress.Text + "</mail>");
            s.WriteLine("<password>" + Password.Text + "</password>");
            s.WriteLine("<smtp>" + Smtp.Text + "</smtp>");
            s.Close();
            }
            catch (Exception ex)
            {
            }
        }
        private void SaveRecipientBtn_Click(object sender, EventArgs e)
        {
            try
            {
                StreamWriter abc = new StreamWriter(Application.StartupPath + "\\Data\\Adressbook\\adressbook.dll", true);
            abc.WriteLine(Recipients.Text);
            abc.Dispose();
            abc.Close();
            cbadressbook.Items.Clear();
            FileLoader.RunWorkerAsync();
            }
            catch (Exception ex)
            {
            }
        }
        private void LoadAllRecipientsBtn_Click(object sender, EventArgs e)
        {
            try
            {
                if (File.Exists(Application.StartupPath + "\\Data\\Adressbook\\adressbook.dll"))
                {
                  StreamReader fileSR = new StreamReader(Application.StartupPath + "\\Data\\Adressbook\\adressbook.dll");
                    Recipients.Text = (fileSR.ReadToEnd());
                }
            }
            catch (Exception ex)
            {
            }
        }
        private void SaveMailsBtn_Click(object sender, EventArgs e)
        {
            try
            {
               StreamWriter abc = new StreamWriter(Application.StartupPath + "\\Data\\Saved Mails\\" + SavedMails.Text + ".dll", true);
            abc.WriteLine(Subject.Text);
            abc.Dispose();
            abc.Close();
            cbSavedMails.Items.Clear();
            FileLoader.RunWorkerAsync();
            FileStream fs = new FileStream(Application.StartupPath + "\\Data\\Saved Mails\\" + SavedMails.Text + ".dll", FileMode.Create, FileAccess.Write);
            StreamWriter s = new StreamWriter(fs);
            s.BaseStream.Seek(0, SeekOrigin.End);
            s.WriteLine("<mailsubject>" + Subject.Text + "</mailsubject>");
            s.WriteLine("<mailbody>" + TheMail.Text + "</mailbody>");
            s.Close();
            SavedMails.Clear();
            }
            catch (Exception ex)
            {
            }
        }
        private void cbUser_SelectedIndexChanged(object sender, EventArgs e)
        {
           string bbb = File.ReadAllText(Application.StartupPath + "\\Data\\User Info\\" + cbUser.SelectedItem);
           string[] accountUsername = bbb.Split(new String[] {"<username>", "</username>"}, StringSplitOptions.None);
           string[] accountMail = bbb.Split(new String[] { "<mail>", "</mail>" }, StringSplitOptions.None);
           string[] accountPassword = bbb.Split(new String[] { "<password>", "</password>" }, StringSplitOptions.None);
           string[] accountSmtp = bbb.Split(new String[] { "<smtp>", "</smtp>" }, StringSplitOptions.None);
        User.Text = accountUsername[1];
        UserAdress.Text = accountMail[1];
        Password.Text = accountPassword[1];
        Smtp.Text = accountSmtp[1];
        }
        private void cbadressbook_SelectedIndexChanged(object sender, EventArgs e)
        {
            try
            {
                if(!Recipients.Text.Contains("@"))
                {
                    Recipients.Text = cbadressbook.Text;
                }
                    else
                    Recipients.Text = Recipients.Text + Environment.NewLine + cbadressbook.Text;
                }
            catch (Exception ex)
            {
            }
        }
        private void cbSavedMails_SelectedIndexChanged(object sender, EventArgs e)
        {
                string bbb = File.ReadAllText(Application.StartupPath + "\\Data\\Saved Mails\\" + cbSavedMails.Text);
                string[] mailSubject = bbb.Split(new String[] { "<mailsubject>", "</mailsubject>" }, StringSplitOptions.None);
                string[] mailBody = bbb.Split(new String[] { "<mailbody>", "</mailbody>" }, StringSplitOptions.None);
                TheMail.Text = mailBody[1];
                Subject.Text = mailSubject[1];
        }
        private void emptyAllFieldsToolStripMenuItem_Click(object sender, EventArgs e)
        {
                User.Clear();
                TheMail.Clear();
                UserAdress.Clear();
                Password.Clear();
                Smtp.Clear();
                Recipients.Clear();
                Subject.Clear();
                SavedMails.Clear();
        }
        private void troubleshootingToolStripMenuItem_Click(object sender, EventArgs e)
        {
            AlienBlobMailerHelp TroubleShoot = new AlienBlobMailerHelp();
            TroubleShoot.Show();
        }
        private void exitToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.Close();
        }
        private void FileLoader_DoWork(object sender, DoWorkEventArgs e)
        {
            cbUser.Items.Clear();
        cbadressbook.Items.Clear();
        cbSavedMails.Items.Clear();
        try
        {
            DirectoryInfo di = new DirectoryInfo(Application.StartupPath + "\\Data\\User Info\\");
            FileSystemInfo[] fi = di.GetFiles();
            Console.WriteLine(Application.StartupPath + "\\Data\\User Info\\");
            foreach (FileInfo fiTemp in fi)
                cbUser.Items.Add(fiTemp.Name);
            string[] folderFiles = Directory.GetFiles(Application.StartupPath + "\\Data\\User Info\\");

            if (folderFiles.Length > 0)
            {
                InformationWindow.Text = ("[") + DateTime.Now.ToString("HH:mm:ss tt") + ("] ") + (" AlienBlob's Mailer loaded users without problems...");
            }
            else
            {
                InformationWindow.Text = ("[") + DateTime.Now.ToString("HH:mm:ss tt") + ("] ") + (" AlienBlob's Mailer did not find any users...");
            }

            if (File.Exists(Application.StartupPath + "\\Data\\Adressbook\\adressbook.dll"))
            {
                StreamReader fileSR = new StreamReader(Application.StartupPath + "\\Data\\Adressbook\\adressbook.dll");
                string line;
                while ((line = fileSR.ReadLine()) != null)
                {
                    cbadressbook.Items.Add(line);
                }
            }
        }
        catch (Exception ex)
            {
            }
        try
        {
            DirectoryInfo di = new DirectoryInfo(Application.StartupPath + "\\Data\\Saved Mails\\");
            FileSystemInfo[] fie = di.GetFiles();
            Console.WriteLine(Application.StartupPath + "\\Data\\Saved Mails\\");
            foreach (FileInfo fieTemp in fie)
                cbSavedMails.Items.Add(fieTemp.Name);
        }
        catch (Exception ex)
        {
        }
        }
    }
    }