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

namespace Kenyaty
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            timer1 = new Timer();
            timer1.Tick += new EventHandler(timer1_Tick);
            timer1.Interval = 1000; // in miliseconds
        }
        public System.Windows.Forms.Timer timer1;

        int messagemodeon = 0;
        public int topicid = 0;
        public string get_md5(string input)
        {
            // step 1, calculate MD5 hash from input

            MD5 md5 = System.Security.Cryptography.MD5.Create();

            byte[] inputBytes = System.Text.Encoding.ASCII.GetBytes(input);

            byte[] hash = md5.ComputeHash(inputBytes);

            // step 2, convert byte array to hex string

            StringBuilder sb = new StringBuilder();

            for (int i = 0; i < hash.Length; i++)

            {

                sb.Append(hash[i].ToString("X2"));

            }

            return sb.ToString().ToLower();
        }

        public string Between(string value, string a, string b)
        {
            int posA = value.IndexOf(a);
            int posB = value.LastIndexOf(b);
            if (posA == -1)
            {
                return "";
            }
            if (posB == -1)
            {
                return "";
            }
            int adjustedPosA = posA + a.Length;
            if (adjustedPosA >= posB)
            {
                return "";
            }
            return value.Substring(adjustedPosA, posB - adjustedPosA);
        }


        private void button1_Click(object sender, EventArgs e)
        {

            timer1.Enabled = true;
            timer1.Start();




        }

        private void timer1_Tick(object sender, EventArgs e)
        {

            //set login user and pass variables
            var vbusername = username.Text;
            var vbpasswordmd5 = get_md5(password.Text);

            //login
            var request = (HttpWebRequest)WebRequest.Create("https://www.fxp.co.il/login.php?do=login");

            var postData = "securitytoken=guest&do=login&s=&cookieuser=1&vb_login_password=&vb_login_md5password=" + vbpasswordmd5 + "&vb_login_md5password_utf=" + vbpasswordmd5 + "&vb_login_password_hint=סיסמא&vb_login_username=" + username.Text;
            var data = Encoding.ASCII.GetBytes(postData);

            request.Method = "POST";
            request.ContentType = "application/x-www-form-urlencoded";
            request.ContentLength = data.Length;
            request.KeepAlive = true;
            request.Host = "www.fxp.co.il";
            request.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8";
            request.Referer = "https://www.fxp.co.il/";
            request.UserAgent = "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 Safari/537.36";
            request.CookieContainer = new CookieContainer();
            using (var stream = request.GetRequestStream())
            {
                stream.Write(data, 0, data.Length);
            }

            var response = (HttpWebResponse)request.GetResponse();

            var cookieJar1 = response.Cookies;

            var responseString = new StreamReader(response.GetResponseStream()).ReadToEnd();
            // Get security token



            var request2 = (HttpWebRequest)WebRequest.Create("https://www.fxp.co.il/newthread.php?do=newthread&f=" + forumid.Text);

            request2.Method = "GET";
            request2.ContentType = "application/x-www-form-urlencoded";

            request2.KeepAlive = true;
            request2.Host = "www.fxp.co.il";
            request2.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8";
            request2.Referer = "Referer: https://www.fxp.co.il/forumdisplay.php?f=" + forumid.Text;
            request2.UserAgent = "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 Safari/537.36";
            request2.CookieContainer = new CookieContainer();
            request2.CookieContainer.Add(cookieJar1);

            var response2 = (HttpWebResponse)request2.GetResponse();

            var cookieJar2 = response2.Cookies;

            var responseString2 = new StreamReader(response2.GetResponseStream()).ReadToEnd();

            string[] securitytoken = Between(responseString2, @"securitytoken"" value=""", "\"").Split('"');
            string[] loggeduser = Between(responseString2, @"loggedinuser"" value=""", "\"").Split('"');
            string Asecuritytoken = securitytoken[0];
            string Aloggeduser = loggeduser[0];

            // Open thread OR Send message


            HttpWebRequest request3;
            string postData3;

            if (messagemodeon == 0) {
                request3 = (HttpWebRequest)WebRequest.Create("https://www.fxp.co.il/newthread.php?do=postthread&f=" + forumid.Text);
            postData3 = "prefixid=dis&subject=" + title.Text + +topicid + "&message_backup=" + content.Text + topicid + "&message=" + content.Text + topicid + "&wysiwyg=1&s=&securitytoken=" + Asecuritytoken + "&f=" + forumid.Text + "&do=postthread&posthash=&poststarttime=&loggedinuser=" + Aloggeduser + "&sbutton=%D7%A6%D7%95%D7%A8+%D7%90%D7%A9%D7%9B%D7%95%D7%9C+%D7%97%D7%93%D7%A9&signature=1&parseurl=1";
        }
        else{
        request3 = (HttpWebRequest)WebRequest.Create("https://www.fxp.co.il/private.php?do=insertpm&pmid=" + forumid.Text);
        postData3 = "recipients=" + forumid.Text + "&title=" + title.Text + "&message_backup=" + content.Text + "&message=" + content.Text + "&wysiwyg=1&s=&securitytoken=" + Asecuritytoken + "&do=insertpm&pmid=&forward=&sbutton=%D7%A9%D7%9C%D7%97+%D7%94%D7%95%D7%93%D7%A2%D7%94&savecopy=1&parseurl=1&s=&securitytoken=" + Asecuritytoken + "&do=insertpm&pmid=&forward=";

    }


    var data3 = Encoding.UTF8.GetBytes(postData3);

            request3.Method = "POST";
            request3.ContentType = "application/x-www-form-urlencoded";
            request3.ContentLength = data3.Length;
            request3.KeepAlive = true;
            request3.Host = "www.fxp.co.il";
            request3.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8";
            request3.Referer = "https://www.fxp.co.il/newthread.php?do=newthread&f=" + forumid.Text;
            request3.UserAgent = "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 Safari/537.36";
            request3.CookieContainer = new CookieContainer();
            request3.CookieContainer.Add(cookieJar1);
            using (var stream = request3.GetRequestStream())
            {
                stream.Write(data3, 0, data3.Length);
            }

            var response3 = (HttpWebResponse)request3.GetResponse();

            var cookieJar3 = response3.Cookies;

            var responseString3 = new StreamReader(response3.GetResponseStream()).ReadToEnd();

            loginfirstcode.Text = responseString;

            topicid++;

        }

        private void button1_Click_1(object sender, EventArgs e)
        {
            timer1.Stop();
            timer1.Enabled = false;
        }

        private void messageMode_CheckedChanged(object sender, EventArgs e)
        {
            if(messagemodeon == 0)
            {
                messagemodeon = 1;
            }
            else
            {
                messagemodeon = 0;
            }
        }

        private void loopTime_Leave(object sender, EventArgs e)
        {
            int n;
            bool isNumeric = int.TryParse(loopTime.Text, out n);
            if (isNumeric == true) {
                timer1.Interval = Int32.Parse(loopTime.Text);
        }
            else
            {
                MessageBox.Show("Changes have not been made.Please enter a valid number.");

            }
        }
    }
}