package org.jtheque.films.stats.services.impl;

 /*

  * This file is part of JTheque.

  *

  * JTheque 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.

  *

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

  */

 import org.jtheque.core.managers.Managers;

 import org.jtheque.core.managers.language.ILanguageManager;

 import org.jtheque.films.stats.services.able.IStatsService;

 import org.jtheque.films.stats.services.impl.utils.StatsCalculator;

 import org.jtheque.films.stats.services.impl.utils.StatsInformations;

 import org.jtheque.utils.bean.Duration;

 import java.util.Arrays;

 /**

  * A service to manage stats.

  *

  * @author Baptiste Wicht

  */

 public final class StatsService implements IStatsService {

     private final ILanguageManager resources = Managers.getManager(ILanguageManager.class);

     /**

      * The stats calculator.

      */

     private StatsInformations stats;

     /**

      * Indicate if the title is up to date or not.

      */

     private boolean titlesUpToDate;

     /**

      * The titles for the headers.

      */

     private String[] titles;

     /**

      * Return the calculator.

      *

      * @return The stats calculator.

      */

     private StatsInformations getCalculator() {

         if (stats == null) {

             stats = StatsCalculator.getInstance();

             stats.generateStats();

         }

         return stats;

     }

     @Override

     public void refreshStats() {

         getCalculator().generateStats();

         titlesUpToDate = false;

     }

     @Override

     public String[] getTitles() {

         if (!titlesUpToDate) {

             titles = new String[3];

             titles[0] = getCalculator().getNumberOfRealizers() + " " +

                     resources.getMessage("stats.view.realizers").toLowerCase(resources.getCurrentLocale());

             titles[1] = getCalculator().getNumberOfActors() + " " +

                     resources.getMessage("stats.view.actors").toLowerCase(resources.getCurrentLocale());

             titles[2] = getCalculator().getNumberOfFilms() + " " +

                     resources.getMessage("stats.view.films").toLowerCase(resources.getCurrentLocale()) +

                     " (" + new Duration(getCalculator().getTotalDurationOfFilms()).toString() + ')';

             titlesUpToDate = true;

         }

         return Arrays.copyOf(titles, titles.length);

     }

     @Override

     public StatsInformations getInformations() {

         return getCalculator();

     }

     /**

      * Set the stats.

      *

      * @param stats The stats informations.

      */

     public void setStats(StatsInformations stats) {

         this.stats = stats;

     }

 }