Laba 1-2

using System;
using System.Net;
using System.IO;
using System.Threading.Tasks;
using System.Net.Mail;


namespace kursovaya
{
    class Program
    {
        class user_data
        {

            // использовать getter-setter для дальнейшего кода
            private string my_mail;
            private string some_mail;
            private string password;
            private string nickname;
            private string headline;

            public string UserMail
            {

                get { return my_mail; }

                set
                {
                    if (value == "" | value == " ")
                    {
                        Console.WriteLine("Такое значение недопустимо при заполнении поля 'почта'. Значение сброшено до стандартного ");
                        value = "obechekopm@gmail.com";
                        my_mail = value;
                    }
                    else
                    {
                        my_mail = value;
                    }

                }

            }

            public string SomeMail
            {
                get { return some_mail; }

                set {

                    if (value == "" | value == " ")
                    {
                        Console.WriteLine("Такое значение недопустимо при заполнении поля 'почта'. Значение сброшено до стандартного ");
                        value = "obechekopm@gmail.com";
                        some_mail = value;
                    }
                    else
                    {
                        some_mail = value;
                    }

                }

            }

            public string Password
            {
                get { return password; }

                set { password = value; }
            }

            public string Nickname
            {
                get { return nickname; }

                set { nickname = value; }
            }

            public string Headline
            {
                get { return headline; }

                set { headline = value; }
            }


            public void Print()
            {
                Console.WriteLine("Письмо успешно отправлено");
            }

        }
        class Sendmail : user_data
        {


            public Sendmail()
            {

            }

            public Sendmail(string email_address, string pass)
            {

                string my_mail = email_address;
                string nickname = "Anonymous";
                string password = pass;
                string headline = "Testing";

                MailAddress from = new MailAddress(my_mail, nickname);
                MailAddress to = new MailAddress(my_mail);
                MailMessage mess = new MailMessage(from, to);
                mess.Subject = headline;
                mess.Body = "<h2> Письмо-тест </h2>";
                mess.IsBodyHtml = true;
                SmtpClient smtp = new SmtpClient("smtp.gmail.com", 587);
                smtp.Credentials = new NetworkCredential(my_mail, password);
                smtp.EnableSsl = true;
                smtp.Send(mess);
                Console.Read();

            }

            public Sendmail(
                string mail_1,
                string mail_2,
                string user_pass,
                string for_headline
                )
            {
                string my_mail = mail_1;
                string nickname = "Anonymous";
                string some_mail = mail_2;
                string password = user_pass;
                string headline = for_headline;

                MailAddress from = new MailAddress(my_mail, nickname);
                MailAddress to = new MailAddress(some_mail);
                MailMessage mess = new MailMessage(from, to);
                mess.Subject = headline;
                mess.Body = "<h2> Письмо-тест </h2>";
                mess.IsBodyHtml = true;
                SmtpClient smtp = new SmtpClient("smtp.gmail.com", 587);
                smtp.Credentials = new NetworkCredential(my_mail, password);
                smtp.EnableSsl = true;
                smtp.Send(mess);
                Console.Read();

            }

            public Sendmail(
                string username,
                string mail_1,
                string mail_2,
                string user_pass,
                string for_headline
                )
            {
                string my_mail = mail_1;
                string nickname = username;
                string some_mail = mail_2;
                string password = user_pass;
                string headline = for_headline;

                MailAddress from = new MailAddress(my_mail, nickname);
                MailAddress to = new MailAddress(some_mail);
                MailMessage mess = new MailMessage(from, to);
                mess.Subject = headline;
                mess.Body = "<h2> Письмо-тест </h2>";
                mess.IsBodyHtml = true;
                SmtpClient smtp = new SmtpClient("smtp.gmail.com", 587);
                smtp.Credentials = new NetworkCredential(my_mail, password);
                smtp.EnableSsl = true;
                smtp.Send(mess);
                Console.Read();

            }




        }

        static void Main(string[] args)
        {
            Sendmail someone_mail = new Sendmail();
            someone_mail.UserMail = Console.ReadLine();
            string m_1 = someone_mail.UserMail;

            Sendmail Some_mail = new Sendmail();

            Some_mail.SomeMail = Console.ReadLine();
            string sm = Some_mail.SomeMail;


            Sendmail my_password = new Sendmail();
            my_password.Password = null;


            while (true)
            {
                ConsoleKeyInfo i = Console.ReadKey(true);
                if (i.Key == ConsoleKey.Enter)
                {
                    break;
                }
                else if (i.Key == ConsoleKey.Backspace)
                {
                    if (my_password.Password.Length > 0)
                    {
                        my_password.Password = my_password.Password.Remove(my_password.Password.Length - 1);
                        Console.Write("\b \b");
                    }
                }
                else
                {
                    my_password.Password += i.KeyChar;
                    Console.Write("*");
                }
            }


            string pas = my_password.Password;


            Sendmail hd = new Sendmail();
            hd.Headline = "Testing";
            string h = hd.Headline;

            Sendmail some_mail = new Sendmail(m_1, sm, pas, h);
            some_mail.Print();
        }

    }
}