using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Threading;

namespace MFC
{
    class Program
    {

        static String username, password, mpass, sip;
        static int sport;
        static Socket sckt;
        static Thread rcvr = new Thread(receiver);
        static String ver_key = "9907d5589092f109a97ff67b0ce1e3f9";
        static int protocol_ver = 07;
        static void Main(string[] args)
        {
            //Simple background foreground text title shit
            Console.ForegroundColor = ConsoleColor.Red;
            Console.BackgroundColor = ConsoleColor.DarkRed;
            Console.Clear();
            Console.Write("\t\t\t");
            Console.BackgroundColor = ConsoleColor.Blue;
            Console.WriteLine("/#########################\\");
            Console.BackgroundColor = ConsoleColor.DarkRed;
            Console.Write("\t\t\t");
            Console.BackgroundColor = ConsoleColor.Blue;
            Console.WriteLine("|##  Minecraft chatBot  ##|");
            Console.BackgroundColor = ConsoleColor.DarkRed;
            Console.Write("\t\t\t");
            Console.BackgroundColor = ConsoleColor.Blue;
            Console.WriteLine("\\#########################/");
            Console.BackgroundColor = ConsoleColor.DarkRed;
            //--

            Console.Write("\n\n\n");

            Console.Write("Please enter your username: ");
            username = Console.ReadLine();
            Console.Write("Please enter your password: ");
            password = Console.ReadLine();
            Console.Write("Please enter server ip: ");
            sip = Console.ReadLine();
            if (sip == "")
                sip = "192.168.178.11";
            Console.Write("Please enter server port (press enter for default: 25565): ");
            if (!int.TryParse(Console.ReadLine(), out sport))
                sport = 25565;

            //Information gathered lets move on to the socket etc.
            sckt = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);

            sckt.Connect(sip, sport);
            Console.WriteLine("\n\nSocket Connected!");

            rcvr.Start();

            List<Byte> data = new List<Byte> { 00, 07 };
            data.AddRange(CreateString(username));
            data.AddRange(CreateString(ver_key));
            data.Add(00);
            sckt.Send(data.ToArray());

            Thread.Sleep(1500);
            //say hello:
            data = new List<Byte> { (byte)0x0d };
            data.Add((byte)0x04);
            data.AddRange(CreateString("Hello world, How are you? <3 Daisy"));
            sckt.Send(data.ToArray());

            //Walk to side:
            ////data = new List<Byte> { (byte)0x08 };
            //data.Add(255);
            //data.add()
            //sckt.Send(data.ToArray());

            Console.Write("\n");
            Console.ReadKey();

            Console.ReadKey();
            sckt.Close();
        }

        public static void receiver()
        {
            Byte[] buffer = new Byte[sckt.ReceiveBufferSize];
            while (true)
            {
                sckt.Receive(buffer);
                Console.WriteLine("RCVR> Received a packet: " + buffer[0]);
                switch (buffer[0])
                {
                    case 00:
                        if (buffer[1] == protocol_ver)
                        {
                            Console.WriteLine("RCVR> Got indetification from server: ");
                            Console.WriteLine("RCVR> NAME: \"" + GetString(buffer, 2) + "\"");
                            Console.WriteLine("RCVR> MOTD: \"" + GetString(buffer, 66) + "\"");

                        }
                        break;

                    case 07:
                        //if(GetString(buffer, 2) == username)
                        //{
                            Console.WriteLine(buffer[3 + 64] + " ; " + buffer[4 + 64] + " ; " + buffer[5 + 64]);
                        //}
                        break;

                    case 08:
                        Console.WriteLine(buffer[2 + 64] + " ; " + buffer[3 + 64] + " ; " + buffer[4 + 64]);
                        break;

                    case 09:
                        Console.WriteLine(buffer[2 + 64] + " ; " + buffer[3 + 64] + " ; " + buffer[4 + 64]);
                        break;

                    case (byte)0x0a:
                        Console.WriteLine(buffer[2 + 64] + " ; " + buffer[3 + 64] + " ; " + buffer[4 + 64]);
                        break;

                }

                Thread.Sleep(1);
            }
        }

        //thanks to sircmpwn right string encoding
        //###############################################
        public static byte[] CreateString(string text)
        {
            //return System.Text.ASCIIEncoding.ASCII.GetBytes(text);
            return Encoding.ASCII.GetBytes(text.PadRight(64, '\x00'));
        }
        public static String GetString(byte[] buffer, int index)
        {
            List<Byte> data = buffer.ToList();
            data.RemoveRange(index + 64, buffer.Length- (index+64));
            data.RemoveRange(0, index);
            int curCut = 63;

            while (data[curCut] == 20)
                curCut -= 1;

            data.RemoveRange(curCut, 64-curCut);
            return Encoding.ASCII.GetString(data.ToArray());
        }
        //##############################################
    }
}