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

namespace DuckEmulator.HabboHotel.Outside.Rooms.Trade
{
    class TradeManager
    {
        private uint TradeId = 0;
        private readonly Object _lock = new Object();

        internal Dictionary<uint, Trade> ActiveTrades;

        internal uint GetTradeId()
        {
            lock (_lock)
            {
                TradeId++;
                return TradeId;
            }
        }

        internal TradeManager()
        {
            ActiveTrades = new Dictionary<uint, Trade>();
        }

        internal Trade CreateTrade(uint Sender, uint Receiver)
        {
            Trade Trade = new Trade(GetTradeId(), Sender, Receiver);
            ActiveTrades.Add(Trade.Id, Trade);
            return Trade;
        }

        internal Trade GetTradeByHabbo(uint HabboId)
        {
            foreach (Trade Trade in ActiveTrades.Values.ToList())
            {
                if (Trade.Receiver.HabboId == HabboId || Trade.Sender.HabboId == HabboId)
                {
                    return Trade;
                }
            }

            return null;
        }

        internal Trade GetTradeById(uint TradeId)
        {
            try { return ActiveTrades[TradeId]; }
            catch { return null; }
        }
    }
}