using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace HubX.Library.Socket.Object
{
   public class ObjectManager
	{
		public static ObjectManager Instance { get; } = new ObjectManager();

		object _lock = new object();
		Dictionary<int, Client> _players = new Dictionary<int, Client>();

		// [UNUSED(1)][TYPE(7)][ID(24)]
		int _counter = 0;

		public T Add<T>() where T : Client, new()
		{
			T gameObject = new T();

			lock (_lock)
			{
				gameObject.Id = GenerateId(gameObject.ObjectType);

				if (gameObject.ObjectType == EnumObjectType.Client)
				{
					_players.Add(gameObject.Id, gameObject as Client);
				}
			}

			return gameObject;
		}

		int GenerateId(EnumObjectType type)
		{
			lock (_lock)
			{
				return ((int)type << 24) | (_counter++);
			}
		}

		public static EnumObjectType GetObjectTypeById(int id)
		{
			int type = (id >> 24) & 0x7F;
			return (EnumObjectType)type;
		}

		public bool Remove(int objectId)
		{
            EnumObjectType objectType = GetObjectTypeById(objectId);

			lock (_lock)
			{
				if (objectType == EnumObjectType.Client)
					return _players.Remove(objectId);
			}

			return false;
		}

		public Client Find(int objectId)
		{
            EnumObjectType objectType = GetObjectTypeById(objectId);

			lock (_lock)
			{
				if (objectType == EnumObjectType.Client)
				{
					Client player = null;
					if (_players.TryGetValue(objectId, out player))
						return player;
				}
			}

			return null;
		}
	}
}