/**

 * Quoridor server and related libraries

 * Copyright (C) 2009-2010 Jaroslav Tulach <jaroslav.tulach@apidesign.org>

 *

 * 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.desktop.sample;

import com.sun.jersey.api.client.Client;

import com.sun.jersey.api.client.GenericType;

import com.sun.jersey.api.client.UniformInterfaceException;

import com.sun.jersey.api.client.WebResource;

import cz.xelfi.quoridor.webidor.Game;

import cz.xelfi.quoridor.webidor.GameId;

import java.util.List;

import java.util.logging.Level;

import java.util.logging.Logger;

import javax.ws.rs.core.MediaType;

import org.openide.util.Lookup;

/** Class that connects to the server and answers queries.

 *

 * @author Jaroslav Tulach

 */

abstract class Quoridor {

    private static Quoridor q;

    public static Quoridor getDefault() {

        if (q != null) {

            return q;

        }

        q = Lookup.getDefault().lookup(Quoridor.class);

        if (q == null) {

            q = new Impl();

        }

        return q;

    }

    public abstract List<GameId> listGames();

    public abstract Game getGame(String id);

    public abstract boolean login(String login, String password);

    private static class Impl extends Quoridor {

        private final WebResource wr;

        private String id = "";

        private static final Logger LOG = Logger.getLogger(Impl.class.getName());

        public Impl() {

            Client c = new Client();

            wr = c.resource("http://quoridor.xelfi.cz/api/");

        }

        @Override

        public List<GameId> listGames() {

            GenericType<List<GameId>> gType = new GenericType<List<GameId>>() {};

            List<GameId> ids = wr.path("games").queryParam("loginID", id).

                accept(MediaType.TEXT_XML).get(gType);

            return ids;

        }

        @Override

        public Game getGame(String id) {

            Game g = wr.path("games").path(id).queryParam("loginID", id).

                accept(MediaType.TEXT_XML).get(Game.class);

            return g;

        }

        @Override

        public boolean login(String login, String password) {

            try {

                id = wr.path("login").queryParam("name", login).

                    queryParam("password", password).put(String.class);

                return id != null;

            } catch (UniformInterfaceException ex) {

                LOG.log(Level.INFO, "Cannot login", ex);

                return false;

            }

        }

    }

}