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

namespace ZeroBot
{
    class Program
    {
        static void Main(string[] args)
        {
            bool Quit = false;
            string BotName;
            string Server;
            int Port;
            string Channel;
            string User;
            if (!File.Exists("BotConfig.txt"))
            {
                Console.Write("Bot Nickname: ");
                BotName = Console.ReadLine();
                Console.Write("Server: ");
                Server = Console.ReadLine();
                Console.Write("Port (Usually 6667): ");
                Port = Int32.Parse(Console.ReadLine());
                Console.Write("Channel: ");
                Channel = Console.ReadLine();
                Console.Write("Bot User: ");
                User = Console.ReadLine();
                string[] lines = { BotName, Server, Port.ToString(), Channel, User };
                File.WriteAllLines("BotConfig.txt", lines);
            }
            else
            {
                Console.WriteLine("BotConfig.txt exists.");
            }

            string[] BotInfo = File.ReadAllLines("BotConfig.txt");
            BotName = BotInfo[0];
            Server = BotInfo[1];
            Port = Int32.Parse(BotInfo[2]);
            Channel = BotInfo[3];
            User = BotInfo[4];

            Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
            Console.WriteLine("Socket created");
            IPHostEntry host = Dns.GetHostEntry(Server);
            Console.WriteLine("Host found");
            IPEndPoint endPoint = new IPEndPoint(host.AddressList.First(), Port);
            Console.WriteLine("Endpoint created");
            socket.Connect(endPoint);
            Console.WriteLine("Connected");
            NetworkStream networkstream = new NetworkStream(socket);
            StreamWriter sWriter = new StreamWriter(networkstream, Encoding.UTF8);
            StreamReader sReader = new StreamReader(networkstream, Encoding.UTF8);
            sWriter.WriteLine("USER " + User + " * * :ZeroOne\r\n");
            Console.WriteLine("Sent USER");
            sWriter.WriteLine("NICK " + BotName + "\r\n");
            Console.WriteLine("Sent NICK");
            sWriter.WriteLine("JOIN " + Channel + "\r\n");
            Console.WriteLine("Sent JOIN");

            while (!Quit)
            {
                string input = sReader.ReadLine();
                if (input != null)
                {
                    string[] words = input.Split(' ');
                    if (words[0] == "PING")
                    {
                        sWriter.WriteLine("PONG " + words[1] + "\r\n");
                    }
                    Console.WriteLine(input);
                }
            }
        }
    }
}