package net.sumaris.core.action;
   
   /*
    * #%L
    * SIH-Adagio :: Shared
    * $Id:$
    * $HeadURL:$
    * %%
    * Copyright (C) 2012 - 2014 Ifremer
   * %%
   * 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/gpl-3.0.html>.
   * #L%
   */
  
  import net.sumaris.core.config.SumarisConfiguration;
  import net.sumaris.core.dao.technical.Daos;
  import net.sumaris.core.exception.SumarisTechnicalException;
  import net.sumaris.core.exception.VersionNotFoundException;
  import net.sumaris.core.service.ServiceLocator;
  import net.sumaris.core.service.schema.DatabaseSchemaService;
  import org.nuiton.i18n.I18n;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.nuiton.version.Version;
  
  import java.io.File;
  
  /**
   * <p>DatabaseChangeLogAction class.</p>
   *
   */
  public class DatabaseGenerateChangeLogAction {
      /* Logger */
      private static final Logger log = LoggerFactory.getLogger(DatabaseCreateSchemaAction.class);
  
      /**
       * <p>run.</p>
       */
      public void run() {
          SumarisConfiguration config = SumarisConfiguration.getInstance();
          DatabaseSchemaService service = ServiceLocator.instance().getDatabaseSchemaService();
  
          log.info("Starting change log file generation...");
          ActionUtils.logConnectionProperties();
  
          // Check if database is well loaded
          if (!service.isDbLoaded()) {
              log.warn("Could not generate changelog file: database seems to be empty !");
              return;
          }
  
          try {
              Version actualDbVersion = service.getDbVersion();
              if (actualDbVersion != null) {
                  log.info(I18n.t("sumaris.persistence.schemaVersion", actualDbVersion.toString()));
              }
  
              Version modelVersion = config.getVersion();
              log.info(I18n.t("sumaris.persistence.modelVersion", modelVersion.toString()));
          } catch (SumarisTechnicalException e) {
              log.error("Error while getting versions.", e);
          }
  
          File outputFile = ActionUtils.checkAndGetOutputFile(false, this.getClass());
          
          try {
              log.info("Launching changelog file generation...");
              service.generateDiffChangeLog(outputFile);
              if (outputFile != null) {
                  log.info(String.format("Database changelog file successfully generated at %s", outputFile));
              }
              else {
                  log.info("Database changelog file successfully generated.");
              }
          } catch (SumarisTechnicalException e) {
              log.error("Error while generating changelog file.", e);
          }
      }
  }