using System;
using System.Net;
using System.Net.Sockets;
using System.IO;
using System.Threading;
using System.Linq;
using System.Collections.Generic;
class IrcBot
{
    public static string SERVER = "snext.serveirc.com";
    private static int PORT = 6667;
    private static string USER = "USER predsbot 8 * :I'm a C# irc bot";
    private static string NICK = "Licos";
    private static string CHANNEL = "#preds";
    public static string AuthedNicks = "predsrule sniperX";
    private static string NickServPass = "jamie51822";
    //separate each nick with a space.

    public static StreamWriter writer;
    private static bool ispinging = false;


    //
    //
    //EDIT THIS v
    public static void SendMessage(bool pause, string Destination,string Message)
    {
        writer.WriteLine("PRIVMSG " + Destination + " :"+Message);
        writer.Flush();
        if (pause == true)
        {
            Thread.Sleep(1000);
        }
    }
    public static void SendRaw(string Data)
    {
        writer.WriteLine(Data);
        writer.Flush();
        Thread.Sleep(1000);
    }
    public static void irc_OnCommand(string message, string nick, string host, bool fromchannel)
    {
        #region Methods (dont need to modify this much)
        string Message = message;
        string Command = "";
        bool authenticated = false;
        string botnick = NICK.ToLower();
        if (Message.ToLower().StartsWith(botnick))
        {
            List<string> splitArray = new List<string>(Message.Split(new char[] { ' ' }));
            splitArray.RemoveAt(0);
            Command = splitArray[0];
            splitArray.RemoveAt(0);
            Message = String.Join(" ", splitArray.ToArray());
        }
        Command = Command.ToLower();
        string[] authuser = AuthedNicks.Split(new char[] { ' ' });
        foreach (string User in authuser)
        {
            if (User.ToLower() == nick.ToLower())
            {
                authenticated = true;
            }
        }
        #endregion

        if (Command == "about")
        {
            SendMessage(true, CHANNEL, "LicosBot V1.0, Wrote by Pasihavia Havia, Modified by predsrule.");
        }
        else if (Command == "shutdown")
        {
            if (authenticated == true)
            {
                SendMessage(true, nick, "Shutting Down...");
                Thread.Sleep(2000);
                Environment.Exit(0);
            }
        }
        if (Command == "fail")
        {
            SendMessage(true, CHANNEL, "i'm a failure");
        }
        if (Command == "restart")
        {
            if (authenticated == true)
            {
                SendMessage(true, nick, "Restarting...");
                SendRaw("QUIT :Restarting...");
            }
        }
        if (Command == "pray")
        {
            SendMessage(false, CHANNEL, "The Programmers Prayer");
            SendMessage(false, CHANNEL, "Our Program who are in Memory.");
            SendMessage(false, CHANNEL, "Hello by thy Name.");
            SendMessage(false, CHANNEL, "Thy Operating System come.");
            SendMessage(false, CHANNEL, "Thy Commands be done at the Printer as it is on the Screen.");
            SendMessage(false, CHANNEL, "Give us this day our daily Data,");
            SendMessage(false, CHANNEL, "And forgive us our I/O errors");
            SendMessage(false, CHANNEL, "As we forgive those whose logic circuits are faulty.");
            SendMessage(false, CHANNEL, "Lead us not into frustration, and deliver us from Power Surges.");
            SendMessage(false, CHANNEL, "For Thine is the Algorithm,");
            SendMessage(false, CHANNEL, "The Application,");
            SendMessage(false, CHANNEL, "And the Solution");
            SendMessage(false, CHANNEL, "Looping forever and ever.");
            SendMessage(false, CHANNEL, "Return");
        }
        if (Command == "say")
        {
            if (authenticated == true)
            {
                SendMessage(true, CHANNEL, Message);
            }
        }
    }
    //EDIT THIS ^
    //
    //


    public static void irc_OnChannelMessage(string message, string nick, string host)
    {
        irc_OnCommand(message, nick, host, true);
    }
    public static void irc_OnPrivMessage(string message, string nick, string host)
    {
        irc_OnCommand(message, nick, host, false);
    }
    static void Main(string[] args)
    {
        NetworkStream stream;
        TcpClient irc;
        string inputLine;
        StreamReader reader;
        try
        {
            if (ispinging == false)
            {
                PingSender ping = new PingSender();
                ping.Start();
                ispinging = true;
            }
            irc = new TcpClient(SERVER, PORT);
            stream = irc.GetStream();
            reader = new StreamReader(stream);
            writer = new StreamWriter(stream);
            writer.WriteLine(USER);
            writer.Flush();
            writer.WriteLine("NICK " + NICK);
            Thread.Sleep(2000);
            writer.Flush();
            writer.WriteLine("JOIN " + CHANNEL);
            writer.Flush();
            writer.WriteLine("PRIVMSG NickServ :identify "+NickServPass);
            writer.Flush();
            while (true)
            {
                while ((inputLine = reader.ReadLine()) != null)
                {
                    //DONT ADD CRAP TO THIS. ADD IT TO irc_OnCommand INSTEAD
                    Console.WriteLine(inputLine);
                    if (inputLine.ToLower().Contains("privmsg "+CHANNEL.ToLower()))
                    {
                        string[] splitArray = inputLine.Split(new char[] { ':' });
                        string[] splitArray2 = splitArray[1].Split(new char[] { '!' });
                        string[] splitArray3 = splitArray2[1].Split(new char[] { ' ' });
                        string compmsg = "";
                        foreach (string msg in splitArray)
                        {
                            if (msg == "" || msg == splitArray[0] || msg == splitArray[1]) { }
                            else if (compmsg == "") { compmsg = msg; }
                            else { compmsg += ":" + msg; }
                        }
                        string nick = splitArray2[0];
                        string host = splitArray3[0];
                        string message = compmsg;
                        irc_OnChannelMessage(message, nick, host);
                    }
                    else if (inputLine.Contains("PRIVMSG "+NICK))
                    {
                        string[] splitArray = inputLine.Split(new char[] { ':' });
                        string[] splitArray2 = splitArray[1].Split(new char[] { '!' });
                        string[] splitArray3 = splitArray2[1].Split(new char[] { ' ' });
                        string compmsg = "";
                        foreach (string msg in splitArray)
                        {
                            if (msg == "" || msg == splitArray[0] || msg == splitArray[1]) { }
                            else if (compmsg == "") { compmsg = msg; }
                            else { compmsg += ":" + msg; }
                        }
                        string nick = splitArray2[0];
                        string host = splitArray3[0];
                        string message = compmsg;
                        irc_OnPrivMessage(message, nick, host);
                    }
                }
                writer.Close();
                reader.Close();
                irc.Close();
            }
        }
        catch (Exception e)
        {
            Console.WriteLine(e.ToString());
            Thread.Sleep(5000);
            string[] argv = { };
            Main(argv);
        }
    }
    class PingSender
    {
        static string PING = "PING :";
        private Thread pingSender;

        // Empty constructor makes instance of Thread
        public PingSender()
        {
            pingSender = new Thread(new ThreadStart(this.Run));
        }

        // Starts the thread
        public void Start()
        {
            pingSender.Start();
        }

        // Send PING to irc server every 15 seconds
        public void Run()
        {
            while (true)
            {
                try
                {
                    IrcBot.writer.WriteLine(PING + IrcBot.SERVER);
                    IrcBot.writer.Flush();
                    Thread.Sleep(15000);
                }
                catch { Console.WriteLine("Error Pinging Server."); }
            }
        }
    }

}