using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.IO;
using System.Security.Cryptography;

namespace Uploader
{
    public partial class Form1 : Form
    {
        //static public string filename = "";
        public Stream reqStream;
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private void timer1_Tick(object sender, EventArgs e)
        {
           // try
           // {
           //     Application.DoEvents();
             //   MessageBox.Show(reqStream.Position.ToString());
                //progressBar1.Value = (Int32)
                //    ((reqStream.Position * 100) / reqStream.Length);
           // }
           // catch (Exception se) { }
        }

        protected string MD5(string fileName)
        {
            if (!File.Exists(fileName)) return "CHUJ";
            FileStream file = new FileStream(fileName, FileMode.Open);
            MD5 md5 = new MD5CryptoServiceProvider();
            byte[] retVal = md5.ComputeHash(file);
            file.Close();

            StringBuilder sb = new StringBuilder();
            for (int i = 0; i < retVal.Length; i++)
            {
                sb.Append(retVal[i].ToString("x2"));
            }
            return sb.ToString();
        }

        public void upload()
        {
            string user = File.ReadAllText("user.txt");
            string password = File.ReadAllText("password.txt");
            string destination = File.ReadAllText("destination.txt");
            string[] get = File.ReadAllLines("links.txt");


            System.Net.WebClient c = new System.Net.WebClient();

            foreach (string link in get)
            {
                //MessageBox.Show(link.LastIndexOf("/").ToString());
                string linkfile;
                if (link.IndexOf("download.php?") != -1) linkfile = "gmer.exe"; else
                linkfile = link.Substring(link.LastIndexOf("/")+1, link.Length - link.LastIndexOf("/")-1);
                //MessageBox.Show("links\\" + linkfile + ".down");
                c.DownloadFile(link, "links\\" + linkfile + ".down");
                if(MD5("links\\" + linkfile + ".down")
                    != MD5("links\\" + linkfile)){
                        File.Delete("links\\" + linkfile);
                        File.Move(
                            "links\\" + linkfile + ".down",
                            "links\\" + linkfile
                        );
                        FtpWebRequest request = (FtpWebRequest)FtpWebRequest.Create(new Uri(destination + linkfile));
                        request.Method = WebRequestMethods.Ftp.UploadFile;
                        request.Credentials = new NetworkCredential(user, password);
                        request.UsePassive = true;
                        request.UseBinary = true;
                        request.KeepAlive = false;
                        FileStream stream = File.OpenRead("links\\" + linkfile);
                        byte[] buffer = new byte[stream.Length];

                        stream.Read(buffer, 0, buffer.Length);
                        stream.Close();
                        //label1.Text = linkfile;
                        reqStream = request.GetRequestStream();
                        for (int i = 0; i <= buffer.Length / 100; i++)
                        {
                            if ((i * 100) + 100 <= buffer.Length)
                                reqStream.Write(buffer, i * 100, 100);
                            else reqStream.Write(buffer, i * 100, buffer.Length - (i * 100));
                            //progressBar1.Value = ((i * 10000) / buffer.Length);
                        }
                        reqStream.Close();
                }
            }

           // progressBar1.Value = 100;
            MessageBox.Show("Done");
            Application.ExitThread();
            Application.Exit();
        }

        private void Form1_Shown(object sender, EventArgs e)
        {
            Application.DoEvents();
            //timer1.Enabled = true;
            System.Threading.ThreadStart parameter = new System.Threading.ThreadStart(upload);
            System.Threading.Thread lol = new System.Threading.Thread(parameter);
            lol.Start();

        }

        private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {
            Application.Exit();
        }

        private void Form1_ResizeBegin(object sender, EventArgs e)
        {

        }
    }
}