/*
 * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


using Ragon.Protocol;

namespace Ragon.Client;

internal class EntityOwnershipHandler: IHandler
{
  private readonly RagonListenerList _listenerList;
  private readonly RagonPlayerCache _playerCache;
  private readonly RagonEntityCache _entityCache;
  
  public EntityOwnershipHandler(
    RagonListenerList listenerList,
    RagonPlayerCache playerCache,
    RagonEntityCache entityCache)
  {
    _listenerList = listenerList;
    _playerCache = playerCache;
    _entityCache = entityCache;
  }
  
  public void Handle(RagonBuffer reader)
  {
    var newOwnerId = reader.ReadUShort();
    var entities = reader.ReadUShort();
    
    var player = _playerCache.GetPlayerByPeer(newOwnerId);
    for (var i = 0; i < entities; i++)
    {
      var entityId = reader.ReadUShort();
      _entityCache.OnOwnershipChanged(player, entityId);
      
      RagonLog.Trace("Entity changed owner: " + entityId);
    }  
  }
}