/*************************************************************************
 * ModernUO                                                              *
 * Copyright (C) 2019-2020 - ModernUO Development Team                   *
 * Email: hi@modernuo.com                                                *
 * File: StaticPacketHandlers.cs                                         *
 * Created: 2019/03/15 - Updated: 2019/12/24                             *
 *                                                                       *
 * This program is free software: you can redistribute it and/or modify  *
 * it under the terms of the GNU General Public License as published by  *
 * the Free Software Foundation, either version 3 of the License, or     *
 * (at your option) any later version.                                   *
 *                                                                       *
 * This program is distributed in the hope that it will be useful,       *
 * but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 * GNU General Public License for more details.                          *
 *                                                                       *
 * You should have received a copy of the GNU General Public License     *
 * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
 *************************************************************************/

using System.Collections.Concurrent;

namespace Server.Network
{
  public static class StaticPacketHandlers
  {
    private static readonly ConcurrentDictionary<IPropertyListObject, OPLInfo> OPLInfoPackets =
      new ConcurrentDictionary<IPropertyListObject, OPLInfo>();

    private static readonly ConcurrentDictionary<IEntity, RemoveEntity> RemoveEntityPackets =
      new ConcurrentDictionary<IEntity, RemoveEntity>();

    private static readonly ConcurrentDictionary<Item, WorldItem> WorldItemPackets =
      new ConcurrentDictionary<Item, WorldItem>();

    private static readonly ConcurrentDictionary<Item, WorldItemSA> WorldItemSAPackets =
      new ConcurrentDictionary<Item, WorldItemSA>();

    private static readonly ConcurrentDictionary<Item, WorldItemHS> WorldItemHSPackets =
      new ConcurrentDictionary<Item, WorldItemHS>();

    public static OPLInfo GetOPLInfoPacket(IPropertyListObject obj)
    {
      return OPLInfoPackets.GetOrAdd(obj, value =>
      {
        var packet = new OPLInfo(value.PropertyList.Entity.Serial, value.PropertyList.Hash);
        packet.SetStatic();
        return packet;
      });
    }

    public static OPLInfo FreeOPLInfoPacket(IPropertyListObject obj)
    {
      if (OPLInfoPackets.TryRemove(obj, out var p))
        Packet.Release(p);

      return p;
    }

    public static RemoveEntity GetRemoveEntityPacket(IEntity entity)
    {
      return RemoveEntityPackets.GetOrAdd(entity, value =>
      {
        var packet = new RemoveEntity(value);
        packet.SetStatic();
        return packet;
      });
    }

    public static void FreeRemoveItemPacket(IEntity entity)
    {
      if (RemoveEntityPackets.TryRemove(entity, out var p))
        Packet.Release(p);
    }

    public static WorldItem GetWorldItemPacket(Item item)
    {
      return WorldItemPackets.GetOrAdd(item, value =>
      {
        var packet = new WorldItem(value);
        packet.SetStatic();
        return packet;
      });
    }

    public static WorldItemSA GetWorldItemSAPacket(Item item)
    {
      return WorldItemSAPackets.GetOrAdd(item, value =>
      {
        var packet = new WorldItemSA(value);
        packet.SetStatic();
        return packet;
      });
    }

    public static WorldItemHS GetWorldItemHSPacket(Item item)
    {
      return WorldItemHSPackets.GetOrAdd(item, value =>
      {
        var packet = new WorldItemHS(value);
        packet.SetStatic();
        return packet;
      });
    }

    public static void FreeWorldItemPackets(Item item)
    {
      if (WorldItemPackets.TryRemove(item, out var wi))
        Packet.Release(wi);

      if (WorldItemSAPackets.TryRemove(item, out var wisa))
        Packet.Release(wisa);

      if (WorldItemHSPackets.TryRemove(item, out var wihs))
        Packet.Release(wihs);
    }
  }
}