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

namespace Cpanel_Server
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            Thread tStartListen = new Thread(new ThreadStart(Listen));
            tStartListen.IsBackground = true;
            tStartListen.Start();
        }

        Socket client;

        private void Listen()
        {
            Socket listener = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
            listener.Bind(new IPEndPoint(IPAddress.Any, 4444));
            listener.Listen(100);

            while(true)
            {
                client = listener.Accept();
                Thread tStartInteract = new Thread(new ThreadStart(Interact));
                tStartInteract.Start();
            }
        }

        private void Interact()
        {
            UserControl control = new UserControl();
            Socket newClient = client;
            NetworkStream stream = new NetworkStream(newClient);
            byte[] buffer = new byte[newClient.SendBufferSize];

            int bytesRead = newClient.Receive(buffer);
            byte[] formatted = new byte[bytesRead];

            for (int i = 0; i < bytesRead; i++)
            {
                formatted[i] = buffer[i];
            }
            string rawText = Encoding.ASCII.GetString(formatted);

            string userName = rawText.Substring(0, rawText.IndexOf("-//SPLIT\\-"));
            string password = rawText.Substring(rawText.IndexOf("-//SPLIT\\-"));

            control.userName = userName;
            if (control.ReadUser())
            {
                if (password == control.password)
                {
                    string loginResult = "Login Successful!";
                    if (stream.CanWrite)
                    {
                        stream.Write(Encoding.ASCII.GetBytes(loginResult), 0, loginResult.Length);
                        stream.Flush();
                    }
                }
                else
                {
                    string loginResult = "Wrong Password!";
                    if (stream.CanWrite)
                    {
                        stream.Write(Encoding.ASCII.GetBytes(loginResult), 0, loginResult.Length);
                        stream.Flush();
                    }
                }
            }
            else
            {
                string loginResult = "Wrong Username!";
                if (stream.CanWrite)
                {
                    stream.Write(Encoding.ASCII.GetBytes(loginResult), 0, loginResult.Length);
                    stream.Flush();
                }
            }
        }
    }
}