/**

  * Quoridor server and related libraries

  * Copyright (C) 2009-2010 Martin Rexa

  *

  * 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.

  *

  * 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. Look for COPYING file in the top folder.

  * If not, see http://www.gnu.org/licenses/.

  */

 package cz.xelfi.quoridor.statistics;

 import cz.xelfi.quoridor.webidor.Game;

 import cz.xelfi.quoridor.webidor.GameId;

 import cz.xelfi.quoridor.webidor.GameStatus;

 import cz.xelfi.quoridor.webidor.User;

 import cz.xelfi.quoridor.Move;

 import java.util.HashMap;

 import java.util.Map;

 import java.util.List;

 import java.util.ArrayList;

 import javax.xml.bind.annotation.XmlAttribute;

 /**

  *

  * @author Martin Rexa

  */

 public class OpeningTreeNode {

     @XmlAttribute

     String hashCode;

     List<GameId> gameIds;

     List<GameId> finishedGames;

     Map<Move, OpeningTreeNode> children;

     public OpeningTreeNode(){

     }

     public OpeningTreeNode(String hashCode){

         this.hashCode = hashCode;

         gameIds = new ArrayList<GameId>();

         finishedGames = new ArrayList<GameId>();

         children = new HashMap<Move,OpeningTreeNode>();

     }

     public OpeningTreeNode addGame(Game game){

         gameIds.add(game.getId());

         return this;

     }

     public OpeningTreeNode addFinishedGame(Game game){

         finishedGames.add(game.getId());

         return this;

     }

     public OpeningTreeNode addGameId(GameId gameId){

         gameIds.add(gameId);

         return this;

     }

     public OpeningTreeNode addChild(Move move, OpeningTreeNode child){

         children.put(move, child);

         return this;

     }

     public OpeningNodeView getView(User user){

         return getView(user.getId());

     }

     public OpeningNodeView getView(String userId){

         OpeningNodeView view = new OpeningNodeView(hashCode);

         for(Map.Entry<Move, OpeningTreeNode> e: children.entrySet()){

             for(GameId gId: e.getValue().gameIds){

                 if(User.canSee(gId, userId)){

                     view.processGame(e.getKey(), e.getValue().hashCode, gId);

                 }

             }

         }

         for(GameId gId: finishedGames){

             if(User.canSee(gId, userId)){

                 view.addFinishedGame(gId);

             }

         }

         return view;

     }

     public List<GameId> filterGames(String userId, GameStatus status){

         List<GameId> result = new ArrayList<GameId>();

         for(GameId gId: gameIds){

             if(User.canSee(gId, userId))

                 if(gId.getStatus().equals(status))

                     result.add(gId);

         }

         return result;

     }

     public List<GameId> getGameIds(){

         return gameIds;

     }

 //    @XmlAttribute

 //    @XmlElement

     public String getHashCode(){

         return this.hashCode;

     }

     @Override

     public boolean equals(Object obj) {

         if (obj == null) {

             return false;

         }

         if (getClass() != obj.getClass()) {

             return false;

         }

         OpeningTreeNode other = (OpeningTreeNode)obj;

         return hashCode.equals(other.hashCode);

     }

     @Override

     public int hashCode() {

         return hashCode.hashCode();

     }

 }