using System;
using System.IO;
using System.Net;
using System.Text;
using System.Text.RegularExpressions;
using System.Globalization;
using System.Diagnostics;
using System.Windows.Forms;

public class AutoClosingMessageBox
{
    System.Threading.Timer _timeoutTimer;
    string _caption;
    AutoClosingMessageBox(string text, string caption, int timeout)
    {
        _caption = caption;
        _timeoutTimer = new System.Threading.Timer(OnTimerElapsed,
            null, timeout, System.Threading.Timeout.Infinite);
        MessageBox.Show(text, caption, MessageBoxButtons.OK, MessageBoxIcon.Information);
    }
    public static void Show(string text, string caption, int timeout)
    {
        new AutoClosingMessageBox(text, caption, timeout);
    }
    void OnTimerElapsed(object state)
    {
        IntPtr mbWnd = FindWindow(null, _caption);
        if (mbWnd != IntPtr.Zero)
            SendMessage(mbWnd, WM_CLOSE, IntPtr.Zero, IntPtr.Zero);
        _timeoutTimer.Dispose();
    }
    const int WM_CLOSE = 0x0010;
    [System.Runtime.InteropServices.DllImport("user32.dll", SetLastError = true)]
    static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
    [System.Runtime.InteropServices.DllImport("user32.dll", CharSet = System.Runtime.InteropServices.CharSet.Auto)]
    static extern IntPtr SendMessage(IntPtr hWnd, UInt32 Msg, IntPtr wParam, IntPtr lParam);
}


class Program
{

    static void Main()
    {

        /*Вычисляем номер серии*/
        DateTimeFormatInfo dfi = DateTimeFormatInfo.CurrentInfo;
        DateTime date1 = DateTime.Now;
        Calendar cal = dfi.Calendar;
        var week = cal.GetWeekOfYear(date1, dfi.CalendarWeekRule, dfi.FirstDayOfWeek);
        var day = (int)cal.GetDayOfWeek(date1) == 0 ? 6 : (int)cal.GetDayOfWeek(date1) - 1;
        var epnumber = week + 79 - ((day < 5) ? 1 : 0);
        /*********/

        /*Проверяем наличие флешки*/
        string letter = "";
        foreach (DriveInfo i in System.IO.DriveInfo.GetDrives())
        {


            try
            {
                if (i.DriveType.ToString() == "Removable" && i.ToString() != "A:\\")
                {
                    if (i.TotalFreeSpace < 3000000000)
                    {
                        MessageBox.Show("На флешке мало место, нужно 3гб!", "", MessageBoxButtons.OK, MessageBoxIcon.Error);
                        return;
                    }

                    letter = String.Copy(i.ToString());
                    break;
                }
                //Console.WriteLine(i.DriveType);

            }
            catch (Exception E)
            {
                return;
            }
        }
        if (letter == "")
        {
            MessageBox.Show("Вставь флешку!", "", MessageBoxButtons.OK, MessageBoxIcon.Error);
            return;
        }
        /*********/

        /*Авторизируемся*/
        byte[] buffer = Encoding.ASCII.GetBytes("login_username=ВАШ_ЛОГИН&login_password=ВАШ_ПАРОЛЬ&login=%C2%F5%EE%E4");
        var url = @"http://rutracker.org/forum/tracker.php?nm=%D0%92%D0%B5%D0%BB%D0%B8%D0%BA%D0%BE%D0%BB%D0%B5%D0%BF%D0%BD%D1%8B%D0%B9%20%D0%B2%D0%B5%D0%BA%20sub%20"+epnumber;
        HttpWebRequest WebReq = (HttpWebRequest)WebRequest.Create("http://login.rutracker.org/forum/login.php");
        var cc = new CookieContainer();
        WebReq.CookieContainer = cc;
        WebReq.AllowAutoRedirect = false;
        WebReq.Method = "POST";
        WebReq.ContentType = "application/x-www-form-urlencoded";
        WebReq.ContentLength = buffer.Length;
        HttpWebResponse WebResp;

        try
        {
            Stream PostData = WebReq.GetRequestStream();
            PostData.Write(buffer, 0, buffer.Length);
            PostData.Close();
            WebResp = (HttpWebResponse)WebReq.GetResponse();
        }
        catch (Exception e)
        {
            MessageBox.Show("Ошибка сети", "Заголовок сообщения", MessageBoxButtons.OK, MessageBoxIcon.Error);
            return;
        }

        /*Запрашиваем страницу поиска*/
        WebReq = (HttpWebRequest)WebRequest.Create(url);
        WebReq.CookieContainer = cc;
        WebReq.AllowAutoRedirect = false;
        WebReq.Method = "GET";
        WebReq.ContentType = "application/x-www-form-urlencoded";
        WebResp = (HttpWebResponse)WebReq.GetResponse();

        /*Находим на странице поиска ссылку на торрент*/
        string result;
        Encoding responseEncoding = Encoding.GetEncoding(WebResp.CharacterSet);
        try
        {
            using (StreamReader sr = new StreamReader(WebResp.GetResponseStream(), responseEncoding))
            {
                result = sr.ReadToEnd();
            }
        }
        catch (Exception e)
        {
            MessageBox.Show("Ошибка сети", "Заголовок сообщения", MessageBoxButtons.OK, MessageBoxIcon.Error);
            return;
        }

        string pattern = @"http://dl.rutracker.org/forum/dl.php\?t=\d+";
        Regex regex = new Regex(pattern);
        Match match = regex.Match(result);
        if (match.Length == 0)
        {

            MessageBox.Show("Новая серия еще не вышла!", "", MessageBoxButtons.OK, MessageBoxIcon.Error);
            return;
        }
        else
          AutoClosingMessageBox.Show("Новая серия вышла! Начинаем закачку.", "Caption", 3000);

        /*Скачиваем торрент-файл*/
        try
        {
            WebReq = (HttpWebRequest)WebRequest.Create(match.ToString());
            WebReq.CookieContainer = cc;
            WebReq.AllowAutoRedirect = false;
            WebReq.Method = "POST";
            WebReq.Referer = url;
            WebReq.ContentType = "application/x-www-form-urlencoded";

            /*Пишем его в файл*/
            Stream ReceiveStream = WebReq.GetResponse().GetResponseStream();
            string filename = @"C:\123.torrent";
            byte[] buffer1 = new byte[1024];
            FileStream outFile = new FileStream(filename, FileMode.Create);
            int bytesRead;
            while ((bytesRead = ReceiveStream.Read(buffer1, 0, buffer.Length)) != 0)
                outFile.Write(buffer1, 0, bytesRead);
            outFile.Close();
            ReceiveStream.Close();


        }
        catch (Exception e)
        {
            MessageBox.Show("Ошибка при скачке торрент-файла!", "", MessageBoxButtons.OK, MessageBoxIcon.Error);
            return;
        }



        string par = @"--seed-time=0 -d " + letter + " --select-file="+(epnumber-3)+ @" ""C:\123.torrent"" ";
        Process P = Process.Start(@"C:\aria2-1.17.0-win-32bit-build1\aria2-1.17.0-win-32bit-build1\aria2c.exe", par);
        P.WaitForExit();
        int result1 = P.ExitCode;
        Console.WriteLine(result1);
        if (result1 == 0)
        {
            MessageBox.Show("Фильм скачан! Можно вытаскивать флешку!", "", MessageBoxButtons.OK, MessageBoxIcon.Information);
        }
        else
        {
            MessageBox.Show("Неизвестная ошибка!", "", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
        }
    }
}