/*
    Copyright 2012 Software AG, Darmstadt, Germany and/or Software AG USA
    Inc., Reston, United States of America, and/or their licensors.

    In the event that you should download or otherwise use this software
    you hereby acknowledge and agree to the terms at
    http://www.my-channels.com/company/terms.html#legalnotices
*/

using System;

namespace com.pcbsys.nirvana.apps
{
    public class nP2PShell
    {
        private static nP2PShell mySelf;
        private static bool isServer;

        public static void Main(String[] args)
        {
            if(args.Length<1)
            {
                Usage();
                Environment.Exit(2);
            }
            // Get the realm details
            String[] rproperties = new String[4];
            int idx = 0;
            String RNAME = args[0];
            if (RNAME == null)
            {
                Usage();
                Environment.Exit(1);
            }
            String shell = null;
            if (args.Length > 1)
            {
                shell = args[1];
                Console.WriteLine("***********************************************************");
                Console.WriteLine("*                                                         *");
                Console.WriteLine("* WARNING WARNING WARNING WARNING WARNING WARNING WARNING *");
                Console.WriteLine("* This is a sample application demonstrating how to write *");
                Console.WriteLine("* a simple nirvana P2P service. This sample is extremely  *");
                Console.WriteLine("* insecure and should NEVER be run on any production or   *");
                Console.WriteLine("* secure hosts. The author accepts no liability for any   *");
                Console.WriteLine("* damage caused                                           *");
                Console.WriteLine("*                                                         *");
                Console.WriteLine("***********************************************************");
            }
            String[] st = RNAME.Split(',');
            for (int x = 0; x < st.Length; x++)
            {
                String someRNAME = st[x];
                rproperties[idx] = someRNAME;
                idx++;
            }

            // Trim the array
            String[] rpropertiesTrimmed = new String[idx];
            Array.Copy(rproperties, 0, rpropertiesTrimmed, 0, idx);
            if (rpropertiesTrimmed.Length == 0)
            {
                Console.WriteLine("No realm information supplied");
                Environment.Exit(1);
            }

            mySelf = new nP2PShell(rpropertiesTrimmed, shell);
        }

        public nP2PShell(String[] rprops, String shell)
        {
            try
            {
                if (rprops == null) return;
                if (shell != null) isServer = true;
                if (isServer)
                {
                    new ShellServer(rprops, shell);
                }
                else
                {
                    new Shell(rprops);
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.StackTrace);
            }
        }


        /**
         * Prints the usage string for this class
         */
        private static void Usage()
        {

            Console.WriteLine("Usage ...\n");
            Console.WriteLine("nP2PShell <rname> [shell] \n");
            Console.WriteLine(
              "<Required Arguments> \n");
            Console.WriteLine(
              "<rname> - the rname of the server to connect to");
            Console.WriteLine(
               "<Optional Arguments> \n");
            Console.WriteLine(
              "[shell] - The type of shell you want to offer. For example cmd for win32 or bash for unix, leave out for client");

        }
    }
}