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

namespace SN_Server
{
    public class ServerIdentlist
    {
        private const string fileName = "iplist.txt";

        private List<ServerIdent> ip_list;
        public List<ServerIdent> IP_list
        {
            get { return ip_list; }
            //set { ip_list = value; }
        }

        public ServerIdentlist()
        {
            ip_list = new List<ServerIdent>();

            if (File.Exists(fileName))
            {
                // Open the stream and read it back. 
                using (StreamReader file = new System.IO.StreamReader(fileName))
                {
                    string line;
                    while ((line = file.ReadLine()) != null)
                    {
                        ServerIdent si = new ServerIdent();
                        Console.WriteLine(line);

                        //parse line
                        parse(line,ref si);

                        //add to list
                        ip_list.Add(si);
                    }
                }
            }
        }

        private void parse(string line, ref ServerIdent si)
        {
            if (line != null)
            {
                string[] temp = line.Split(':');
                si.IP = temp[0];
                si.Port = Int32.Parse(temp[1]);
            }
        }

        public void UpdateFile()
        {
            using (System.IO.StreamWriter file = new System.IO.StreamWriter(fileName))
            {
                foreach (ServerIdent si in ip_list)
                {
                    file.WriteLine(si.IP + ":" + si.Port);
                }
            }

            Console.WriteLine("CS ip list updated to file:" + fileName);
        }

        public void Print()
        {
            Console.WriteLine("Control server IP list:");
            foreach (ServerIdent si in ip_list)
            {
                Console.WriteLine("IP:" + si.IP + "       port:" + si.Port);
            }
        }
    }
}