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

struct IRCConfig
{
public string server;
public int port;
public string nick;
public string name;
}

class IRCBot
{
TcpClient IRCConnection = null;
IRCConfig config;
NetworkStream ns = null;
StreamReader sr = null;
StreamWriter sw = null;

public IRCBot(IRCConfig config)
{
this.config = config;
try
{
IRCConnection = new TcpClient(config.server, config.port);
}
catch
{
Console.WriteLine("Connection Error");
}
try
{
ns = IRCConnection.GetStream();
sr = new StreamReader(ns);
sw = new StreamWriter(ns);
}
catch
{
Console.WriteLine("Communication error");
}
finally
{
if (sr != null)
sr.Close();
if (sw != null)
sw.Close();
if (ns != null)
ns.Close();
if (IRCConnection != null)
IRCConnection.Close();
}
}

public void sendData(string cmd, string param)
{
if (param == null)
{
sw.WriteLine(cmd);
sw.Flush();
Console.WriteLine(cmd);
}
else
{
sw.WriteLine(cmd + " " + param);
sw.Flush();
Console.WriteLine(cmd + " " + param);
}
}

sendData("USER", config.nick + " japanbot " + " japan" + " :" + config.name);
sendData("NICK", config.nick);

public void IRCWork()
{
string[] ex;
string data;
bool shouldRun = true;
while (shouldRun)
{
data = sr.ReadLine();
Console.WriteLine(data);
char[] charSeparator = new char[] { ' ' };
ex = data.Split(charSeparator, 5);
if (ex[0] == "PING")
{
sendData("PONG", ex[1]);
}
}
}

if (ex.Length > 4)
{    string command = ex[3];
switch (command)
{
case ":!join":
sendData("JOIN", ex[4]);
break;
case ":!say":
sendData("PRIVMSG", ex[2] + " " + ex[4]);
break;
case ":!quit":
sendData("QUIT", ex[4]);
shouldRun = false;
break;
}
}

if (ex.Length > 3)
{
string command = ex[3];
switch (command)
{
case ":!part":
sendData("PART", ex[2]);
break;
}
}

IRCConfig conf = new IRCConfig();
conf.name = "japanbot";
conf.nick = "japanbot";
conf.port = 6667;
conf.server = "whatever";
new IRCBot(conf);
Console.WriteLine("jews did japanbot never forget");
Console.ReadLine();