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

namespace TcpPOP3Test {
    public class Program {

        public string server = "pop.kahosl.be";
        public string user = "";//mijne username
        public string pass = "";//mijne pass
        public const int POORT = 110;


        public Program() {
            string str = string.Empty;
            string strTemp = string.Empty;
            using(TcpClient tc = new TcpClient()) {
                tc.Connect(this.server,POORT);
                using(NetworkStream nws = tc.GetStream()) {
                    using(StreamReader sr = new StreamReader(nws)) {
                        using(StreamWriter sw = new StreamWriter(nws)) {
                            sw.WriteLine("USER " + user);
                            sw.Flush();
                            sw.WriteLine("PASS " + pass);
                            sw.Flush();


                            List<string> bericht = new List<string>();
                            try {
                                sw.WriteLine("RETR 1");
                                sw.Flush();
                                if(sr.ReadLine().StartsWith("+OK")) {
                                    while(sr.Peek() != '.') {
                                        bericht.Add(sr.ReadLine());
                                    }
                                }
                                foreach(string s in bericht) {
                                    Console.WriteLine(s);
                                }
                            } catch(Exception e) {
                                //fout weergeven
                                Console.WriteLine("Fout in LeesBericht van IO_MailIn: {0}",e.Message);
                                System.Diagnostics.Debug.WriteLine("Fout in LeesBericht van IO_MailIn: {0}",e.Message);
                                //fout doorgooien
                                throw e;
                            }


                            sw.WriteLine("QUIT");
                            sw.Flush();
                        }
                    }
                }
            }
        }

        public static void Main(string[] args) {
            Program p = new Program();
        }
    }
}