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.Net.Sockets;
using System.IO;
using System.Threading;
using System.Text.RegularExpressions;
using System.Runtime.InteropServices;
using System.Media;
using System.Diagnostics;

namespace TwitchBot
{
    public partial class Form1 : Form
    {
        #region Variables
        private static string Username = "RoyalDestinyYT";
        private static string Password = "oauth:451q6mx658srysnf3humty6j6oki7x";
        IrcClient irc = new IrcClient("irc.chat.twitch.tv", 6667, Username, Password);
        NetworkStream serverStream = default(NetworkStream);
        string readData = "";
        Thread chatThread;
        #endregion
        public Form1()
        {
            InitializeComponent();
        }
        private void Form1_Load(object sender, EventArgs e)
        {
            irc.JoinRoom("RoyalDestinyYT");
            chatThread = new Thread(getMessage);
            chatThread.Start();
        }
        private void getMessage()
        {
            serverStream = irc.tcpClient.GetStream();
            int buffsize = 0;
            byte[] inStream = new byte[10025];
            buffsize = irc.tcpClient.ReceiveBufferSize;
            while(true)
            {
                try
                {
                    readData = irc.readMessage();
                    msg();
                }
                catch(Exception e)
                {

                }
            }
        }
        private void msg()
        {
            if(this.InvokeRequired) this.Invoke(new MethodInvoker(msg));
            else
            {
                chatBox.Text = chatBox.Text + readData.ToString() + Environment.NewLine;

            }
        }
    }
    class IrcClient
    {
        private string Username;
        private string Channel;
        public TcpClient tcpClient;
        private StreamReader inputStream;
        private StreamWriter outputStream;
        public IrcClient(string Ip, int Port, string Username, string Password)
        {
            tcpClient = new TcpClient(Ip, Port);
            inputStream = new StreamReader(tcpClient.GetStream());
            outputStream = new StreamWriter(tcpClient.GetStream());

            outputStream.WriteLine("PASS " + Password);
            outputStream.WriteLine("NICK " + Username);
            outputStream.WriteLine("USER " + Username + " 8 * :" + Username);
            outputStream.WriteLine("CAP REQ :twitch.tv/membership");
            outputStream.WriteLine("CAP REQ :twitch.tv/commands");
            outputStream.Flush();
        }
        public void JoinRoom(string Channel)
        {
            this.Channel = Channel;
            outputStream.WriteLine("JOIN #" + Channel);
            outputStream.Flush();
        }

        public void LeaveRoom()
        {
            outputStream.Close();
            inputStream.Close();
        }

        public void sendIrcMessage(string Message)
        {
            outputStream.WriteLine(Message);
            outputStream.Flush();
        }

        public void sendChatMessage(string Message)
        {
            sendIrcMessage(":" + Username + "!" + Username + "@" + Username + ".tmi.twitch.tv PRIVMSG #" + Channel + " :" + Message);
        }

        public void PingResponse()
        {
            sendIrcMessage("PONG tmi.twitch.tv\r\n");
        }

        public string readMessage()
        {
            string Message = "";
            Message = inputStream.ReadLine();
            return Message;
        }
    }
}