using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;
using System.Xml;
using System.Diagnostics;
using System.IO;

namespace RapidConnect
{
    static class Program
    {
        [STAThread]
        public static int OpenConnection(string connectionName, string UserName, string Password, int Timeout)
        {
            int ExitCode;
            ProcessStartInfo ProcessInfo;
            Process Process;

            ProcessInfo = new ProcessStartInfo("cmd.exe", "/C rasdial \"" + connectionName + "\" \"" + UserName + "\" \"" + Password + "\"");
            ProcessInfo.CreateNoWindow = true;
            ProcessInfo.UseShellExecute = false;
            Process = Process.Start(ProcessInfo);
            Process.WaitForExit(Timeout);
            ExitCode = Process.ExitCode;
            Process.Close();

            return ExitCode;
        }

        public static int CloseConnection(string connectionName, int Timeout)
        {
            int ExitCode;
            ProcessStartInfo ProcessInfo;
            Process Process;

            ProcessInfo = new ProcessStartInfo("cmd.exe", "/C rasdial \"" + connectionName + "\" /disconnect");
            ProcessInfo.CreateNoWindow = true;
            ProcessInfo.UseShellExecute = false;
            Process = Process.Start(ProcessInfo);
            Process.WaitForExit(Timeout);
            ExitCode = Process.ExitCode;
            Process.Close();

            return ExitCode;
        }

        static int Main()
        {
            string rsUsername, rsPassword, cUsername, cPassword, cName;
            int rsAccountType, cTimeOut;
            int minspeed;

            XmlDocument xDoc = new XmlDocument();
            xDoc.Load("data.xml");

            XmlNode root = xDoc.FirstChild.NextSibling;
            XmlNode xn;

            xn = root.FirstChild;

            try
            {
                minspeed = int.Parse(root.Attributes["minimum_speed"].Value);
                while (xn != null && xn.Name != "rapidshare") xn = xn.NextSibling;
                if (xn.Name == "rapidshare")
                {
                    rsUsername = xn.Attributes["username"].Value;
                    rsPassword = xn.Attributes["password"].Value;
                    rsAccountType = int.Parse(xn.Attributes["account_type"].Value);
                }
                else
                {
                    Console.Write("Xml file structure error.\nPress Enter to exit.");
                    Console.ReadLine();
                    return 1;
                }

                xn = root.FirstChild;
                while (xn != null && xn.Name != "internet_connection") xn = xn.NextSibling;
                if (xn.Name == "internet_connection")
                {
                    cUsername = xn.Attributes["username"].Value;
                    cPassword = xn.Attributes["password"].Value;
                    cName = xn.Attributes["connection_name"].Value;
                    cTimeOut = int.Parse(xn.Attributes["timeout"].Value);
                }
                else
                {
                    Console.Write("Xml file structure error.\nPress Enter to exit.");
                    Console.ReadLine();
                    return 1;
                }
            }
            catch (Exception e)
            {
                Console.Write("XML file error: "+ e.Message + "\nPress Enter to exit");
                Console.ReadLine();
                return 2;
            }

            bool exit = false;
            double speed = 0;

            DateTime start, stop;
            int ticks;
            FileInfo f = new FileInfo("uploadfile");
            double filesize = f.Length/1024;

            while (!exit && speed < minspeed)
            {
                Console.Write("Starting connection... ");
                int rv;
                rv = OpenConnection(cName, cUsername, cPassword, cTimeOut);
                //rv = 0;
                if (rv == 0)
                    Console.Write("Done.\n");
                else
                {
                    Console.Write("\nConnection failed.\nRASDIAL terminated with exit code: " + rv.ToString() + "\nPress Enter to exit.");
                    Console.ReadLine();
                    return 3;
                }

                start = DateTime.Now;

                Console.Write("Starting upload...\n");
                QRapidshare rs = new QRapidshare();
                rs.QUploadToRapidshare("uploadfile", rsUsername, rsPassword, 1);
                Console.Write("Upload (maybe) finished.\n");

                stop = DateTime.Now;
                ticks = (int)((TimeSpan)(stop - start)).TotalMilliseconds;
                speed = filesize / ticks * 1000;
                Console.Write("Upload speed: " + String.Format("{0:0.00}", speed)+"kB/s\n");

                if (Console.KeyAvailable)
                {
                    ConsoleKeyInfo cki = Console.ReadKey();
                    if (cki.Key == ConsoleKey.Q)
                        exit = true;
                }

                if (!exit && speed < minspeed)
                {
                    Console.Write("Terminating connection... ");
                    rv = CloseConnection(cName, cTimeOut);
                    //rv = 0;
                    if (rv == 0) Console.Write("Done\n");
                    else
                    {
                        Console.Write("\nDeconnection failed.\nRASDIAL terminated with exit code: " + rv.ToString() + "\nPress Enter to exit.");
                        Console.ReadLine();
                        return 4;
                    }
                }
            }

            Console.Write("\nPress ENTER to exit.");
            Console.ReadLine();
            return 0;
        }
    }
}