Twitch_chat_Unity

using System;
using UnityEngine;
using System.Net.Sockets;
using System.IO;
using System.Collections.Generic;

public class Twitch_chat_Unity : MonoBehaviour {
	[SerializeField] GameObject gameManager;
	[SerializeField] GameObject lobby;

	TcpClient _twitchTcpClient;
	StreamReader _streamReader;
	StreamWriter _streamWriter;

	SC_Viewers _scViewers;

	const string URL = "irc.chat.twitch.tv";
	const int Port = 6667;
	string _user;
	string _oAuth;

	float _pingCounter;

	private void ConnectToTwitch() {
		_twitchTcpClient = new TcpClient(URL, Port);
		_streamReader = new StreamReader(_twitchTcpClient.GetStream());
		_streamWriter = new StreamWriter(_twitchTcpClient.GetStream());

		_streamWriter.WriteLine("PASS "+_oAuth);
		_streamWriter.WriteLine("NICK "+_user.ToLower());
		_streamWriter.WriteLine("JOIN #"+_user.ToLower());
		_streamWriter.WriteLine("CAP REQ :twitch.tv/commands twitch.tv/tags");
		_streamWriter.Flush();
	}

	private void Start() {
		_user = PlayerPrefs.GetString("username").ToLower();
		_oAuth = PlayerPrefs.GetString("oauth");

		ConnectToTwitch();
		_scViewers = new SC_Viewers();
		// TODO get user id from Twitch API via the server
        _scViewers.AddViewer(_user, "0000", null);
    }

	private void Update() {
		try {
			// TODO detect if connection is closed
			// try to reconnect

			_pingCounter += Time.deltaTime;

			if (_pingCounter > 60) {
				_streamWriter.WriteLine("PING " + URL);
				_streamWriter.Flush();
				_pingCounter = 0;
			}

			if (!_twitchTcpClient.Connected) {
				ConnectToTwitch();
			}

			if (_twitchTcpClient.Available > 0) {
				string message = _streamReader.ReadLine();

				if (message != null && message.Contains("PRIVMSG")) {
					Dictionary<string, string> parsedMessage = SC_TMI_Message_Parser.ParsedMessage(message.Substring(1));
					Debug.Log(parsedMessage["IRC-message"]);

					Dictionary<string, string> irCmessage = SC_TMI_Message_Parser.ParsedPrivmsg(parsedMessage["IRC-message"]);

					string userID = parsedMessage["user-id"];
					string username = irCmessage["username"];

					if (username.Equals(PlayerPrefs.GetString("username"))) {
						_scViewers.AddViewer(username, userID, null);
						Debug.Log("player " + username + " added");
					}

					if (irCmessage["message"].Equals("!play") && SC_Game_Manager.GameState == SC_Game_State.LOBBY) {
						if (!_scViewers.IsViewerExist(userID)) {
							_scViewers.AddViewer(username, userID, null);
							lobby.GetComponent<SC_Lobby>().Initial_Spawn_IA(username, userID);
						}
					}
				}
			}
		}
		catch (IOException ioException) {
			Debug.Log("DISCONNECTED, RECONNECT");
			ConnectToTwitch();
		}
	}
}