using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Net.Http;
using HtmlAgilityPack;
using System.Text;

namespace Test
{
    class Program
    {
        static void Main(string[] args)
        {
            // probably parsing individual post login url...
            // login and generating cookie session
            string loginURL = "https://sas.bpsecure.com/Sas/Authentication/Bigpoint?authUser=22&token=Mv-5JN9U98RwwW_lmo2f9wFwPK-j2IgcwYafVTNOlSpUgZE8uWmiIKefCvKtskeWVAx3bYrK-mRFVHELOnmk3ENN08I0Fh6QEiKKJIB55yJqaKt15kpAzp9gnXVrDmJ37Bnh2d4aVJpTAgtZr6kRFAcMZ0e6dKF9_vA5rpckhimzxKMU2gTeYJjxrrS2rt8wfQtSEmePYx3aM3R_WDncFn1ZTxti5gf3ph89svtr96y1X2vtKR05tL_Px92ypZFoUjB788ioyr52CHXl6C5r8og9CFzES04XVd3LgSaMPvpWxDQMMi4JQCxo8QAloUeU2DN46Bc2WyynI3LMjiEUZtN3fltbc-J9jskl-BvywnZYF5opunqBdFPSyoDaTEbFUluDSZV5WIp27AkbMWexuMdIxmMYIggV-78";
            string loginPostStr = string.Format("username={0}&password={1}", "shotupbro", "kolombo123");
            string loginCookie;
            WebRequest req = WebRequest.Create(loginURL);
            req.ContentType = "application/x-www-form-urlencoded";
            req.Method = "POST";
            byte[] bytes = Encoding.ASCII.GetBytes(loginPostStr);
            req.ContentLength = bytes.Length;
            using (Stream os = req.GetRequestStream())
            {
                os.Write(bytes, 0, bytes.Length);
            }
            WebResponse resp = req.GetResponse();
            loginCookie = resp.Headers["Set-cookie"];

            // working with cookie

            string htmlSource;
            WebRequest getRequest = WebRequest.Create("https://de1.darkorbit.com/indexInternal.es?action=internalStart");
            getRequest.Headers.Add("Cookie", loginCookie);
            WebResponse getResponse = getRequest.GetResponse();
            using (StreamReader sr = new StreamReader(getResponse.GetResponseStream()))
            {
                htmlSource = sr.ReadToEnd();
            }

            HtmlAgilityPack.HtmlDocument htmlDocument = new HtmlAgilityPack.HtmlDocument();
            htmlDocument.LoadHtml(htmlSource);
            var value1 = htmlDocument.DocumentNode.SelectSingleNode("//a[@id='header_uri']");


            Console.WriteLine(htmlSource);
        }
    }
}