Notes

ublic static void AppCommands()
{
Console.WriteLine("1. shiperlegdsen email ilgeeh");
Console.WriteLine("2. email haygiig udirdah");
Console.WriteLine("3. file uudiig udirdah");
Console.WriteLine("4. hereglegchiin medeelel");
Console.WriteLine("5. butsah");
Console.WriteLine("program guitsetgeh dugaariig oruulna uu");
string command = Console.ReadLine();
if (command == "")
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("command oruulaagui baina");
Console.ForegroundColor = ConsoleColor.Green;
AppCommands();
}
else
{
switch (command)
{
case "1":
EmailSendProcess();
break;
case "0":
EmailSendProcess();
break;
Commands();
break;
}
}
}
//string command = Console.ReadLIne();
//Switch
//{

//}

public static void EmailSendProcess()
{
Console.WriteLine("==============email haygtai ajilah============");
Console.WriteLine("1. shine email hayag burtgeh");
Console.WriteLine("2. email hayguudiin jagsaalt harah");
Console.WriteLine("3. email haygiig haih");
Console.WriteLine("4.email haygiig zaswarlah");
Console.WriteLine("5. email hayg ustgah");
Console.WriteLine("0. butsah");
Console.WriteLine("command oruulna uu");
string command = Console.ReadLine();
if (command.Trim() == "")
{
Console.ForegroundColor = ConsoleColor.Blue;
Console.WriteLine("command-iig oruulna uu");
Console.ForegroundColor = ConsoleColor.Green;
}

}
public static void AddNewEmailaddres()
{
Console.Write("email hayg oruulna uu");
string email = Console.ReadLine();
if (email.Trim() == "")
{
Console.ForegroundColor = (ConsoleColor)ConsoleColor.Blue;
Console.WriteLine("email hayg buruu baina");
Console.ForegroundColor = ConsoleColor.White;
AddNewEmailaddres();
}
else
{
//email esehiig shalgana
bool shalgasanurdun = email.Contains("@");
if (shalgasanurdun)
{
//email file d baigaa esehiig shalgana
bool ok = CheckEmail(email);
if (ok)
{
Console.ForegroundColor = (ConsoleColor)ConsoleColor.Blue;
Console.WriteLine("email hayg davhtsaj baina");
Console.ForegroundColor = ConsoleColor.White;
}
}
else
{
//herew dawhtsaaagui bol resepientsList-ruu email iig hadgalna
string emailfilezam = "..\..\userdata\ ResepientsList.txt";
FileInfo file = new FileInfo(emailfilezam);
if (file.Exists)
{

}
}

}
}


public static void Login()
{
Console.WriteLine("===========Programm started============");
Console.WriteLine("============нэвтрэх хэсэг==============");
Console.Write("хэрэглэгчийн нэр оруулна уу:");
string username = Console.ReadLine().Trim();
Console.Write("нууц үг оруулна уу:");
string password = Console.ReadLine().Trim();
Console.WriteLine();
string userfilezam = "..\..\userdata\userfile.txt";
FileInfo ufile = new FileInfo(userfilezam);
if (ufile.Exists)
{
StreamReader sr = ufile.OpenText();
string uname = sr.ReadLine();
string pass = sr.ReadLine();
sr.Close();
if (uname == username && pass == password)
{
AppCommands();
}
else
{
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("хэрэглэгчийн мэдээлэл буруу байна");
Console.WriteLine("=================================");
Console.ForegroundColor = ConsoleColor.White;
Login();
}