using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Security.Principal;
using Cassia;

namespace ConsoleApplication5
{
    class Program
    {
        static List<string> GetUsers(string computer)
        {
            // initialize the output variable
            List<string> shesaid = new List<String>();
            // create the handle object
            ITerminalServicesManager manager = new TerminalServicesManager();
            // im a little unclear on what this line is actually saying
            using (ITerminalServer server = manager.GetRemoteServer(computer))
            {
                // call the open method that bundles with the ITerminalServer object
                server.Open();
                // grab the sessions on `computer`
                foreach (ITerminalServicesSession session in server.GetSessions())
                {
                    NTAccount account = session.UserAccount;
                    if (account != null)
                    {
                        shesaid.Add(account.ToString());
                    }
                    else
                    {
                       // there are some sessions that have null userAccount values so this is a no-no
                       // shesaid.Add("OPEN");
                       // do nothing instead and call it open if shesaid contains no entries when its time to return
                    }
                }
            }

            // conditional block goes here to see if there are indexes to shesaid
            return shesaid;
        }

        static void Main(string[] args)
        {
            List<string> userlist= GetUsers("k9");
            // need to replace this with a foreach loop on userlist
            foreach (string element in userlist)
            {
                Console.WriteLine(element);
            }
            var userwait = Console.ReadLine();
        }
    }
}