using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using Server;
using Server.Network;

namespace Server.GUI.Commands
{
    public delegate void InputInvoker( string[] args );

    public class InputHandler
    {
        private static Dictionary<string, InputDelegate> _commandTable;

        public static void Initialize()
        {
            _commandTable = new Dictionary<string, InputDelegate>();
            Register("online", new InputInvoker(OnlineCommand));
            Register("save", new InputInvoker(SaveCommand));
        }

        public static void HandleInput(string p)
        {
            p = p.ToLower();
            string[] args = p.Split(' ');

            if (args.Length > 0 && _commandTable.ContainsKey(args[0]))
                _commandTable[args[0]](args);
        }

        public static void Register(string keyword, InputDelegate deleg)
        {
            if (_commandTable.ContainsKey(keyword))
            {
                MessageBox.Show(keyword + ": is already a registered command", "Error registering command");
                return;
            }

            _commandTable.Add(keyword, deleg);
        }

        private static void SaveCommand(string[] args)
        {
            World.Save();
        }

        private static void OnlineCommand(string[] args)
        {
            GConsole.WriteLine();
            GConsole.WriteLine("Requesting Clients");
            GConsole.WriteLine("=================");
            for (int i = 0; i < NetState.Instances.Count; i++)
                if (NetState.Instances[i] != null)
                    GConsole.WriteLine("Client {0}: {1} - {2}", i + 1, NetState.Instances[i].Address.ToString(), NetState.Instances[i].Mobile.Name);

            GConsole.WriteLine("Online Count: {0}", NetState.Instances.Count);
            GConsole.WriteLine("=================");
            GConsole.WriteLine();
        }
    }
}