package fr.ifremer.quadrige2.ui.swing.common.content.db;
   
   /*-
    * #%L
    * Quadrige2 Core :: Quadrige2 UI Common
    * $Id:$
    * $HeadURL:$
    * %%
    * Copyright (C) 2017 Ifremer
   * %%
   * This program is free software: you can redistribute it and/or modify
   * it under the terms of the GNU Affero 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 Affero General Public License
   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   * #L%
   */
  
  
  import com.google.common.base.Preconditions;
  import fr.ifremer.quadrige2.core.dao.technical.Files;
  import fr.ifremer.quadrige2.core.service.persistence.PersistenceServiceHelper;
  import fr.ifremer.quadrige2.ui.swing.common.action.AbstractMainUIAction;
  import fr.ifremer.quadrige2.ui.swing.common.content.AbstractMainUIHandler;
  import fr.ifremer.quadrige2.ui.swing.common.model.ProgressionModel;
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  import org.nuiton.jaxx.application.ApplicationIOUtil;
  import org.nuiton.util.DateUtil;
  
  import java.io.File;
  import java.io.IOException;
  import java.util.Date;
  
  import static org.nuiton.i18n.I18n.t;
  
  /**
   * To install (or reinstall) a db from last network one.
   *
   * @since 2.4
   */
  public class ReinstallDbAction extends AbstractMainUIAction {
  
      private static final Log LOG = LogFactory.getLog(ReinstallDbAction.class);
  
      private File backupFile;
  
      private String jdbcUrl;
  
      /**
       * <p>Constructor for ReinstallDbAction.</p>
       *
       * @param handler a {@link AbstractMainUIHandler} object.
       */
      public ReinstallDbAction(AbstractMainUIHandler handler) {
          super(handler, true);
          setActionDescription(t("quadrige2.dbManager.action.installDb.tip"));
      }
  
      /** {@inheritDoc} */
      @Override
      public boolean prepareAction() throws Exception {
          boolean doAction = super.prepareAction();
  
          if (doAction) {
  
              // check we can connect to remote install server
              // check db url is reachable
              doAction = getContext().checkUpdateReachable(getConfig().getInstallDbUrl(), true);
          }
  
          if (doAction) {
  
              jdbcUrl = null;
              backupFile = null;
  
              jdbcUrl = getConfig().getJdbcUrl();
  
              if (getModel().isDbExist()) {
  
                  displayInfoMessage(
                          t("quadrige2.dbManager.title.backup.db"),
                          t("quadrige2.dbManager.action.installDb.backup.db")
                  );
  
                  String date = DateUtil.formatDate(new Date(), "yyy-MM-dd");
  
                  // choose backup file
                  backupFile = saveFile(
                          getConfig().getDbBackupDirectory(),
                          String.format("%s-db-%s", getConfig().getApplicationName(), date),
                          "zip",
                         t("quadrige2.dbManager.title.choose.dbExportFile"),
                         t("quadrige2.dbManager.action.chooseDbExportFile"),
                         "^.*\\.zip", t("quadrige2.common.file.zip")
                 );
 
                 if (backupFile == null) {
 
                     displayWarningMessage(
                             t("quadrige2.dbManager.title.backup.db"),
                             t("quadrige2.dbManager.action.installDb.no.backup.db.choosen")
                     );
 
                     doAction = false;
                 }
             }
         }
 
         return doAction;
     }
 
     /** {@inheritDoc} */
     @Override
     public void doAction() throws IOException {
 
         Preconditions.checkNotNull(backupFile);
 
         ProgressionModel progressionModel = new ProgressionModel();
         setProgressionModel(progressionModel);
         progressionModel.setTotal(3);
 
         // close db
         progressionModel.increments(t("quadrige2.dbManager.action.reinstallDb.step.closeDb", jdbcUrl));
 
         getContext().closePersistenceService();
 
         // backup db
         progressionModel.increments(t("quadrige2.dbManager.action.reinstallDb.step.backupDb", backupFile));
         PersistenceServiceHelper.exportDb(backupFile);
 
         // clean db context
         getContext().clearDbContext();
 
         // clean directories
         deleteOldDatabaseDirectory();
 
         // launch install db
         InstallDbAction installDbAction = getActionFactory().createLogicAction(getHandler(), InstallDbAction.class);
         getActionEngine().runInternalAction(installDbAction);
 
     }
 
     private void deleteOldDatabaseDirectory() {
 
         // delete db directory
         File dbDirectory = getConfig().getDbDirectory();
         if (dbDirectory.exists()) {
 
             if (LOG.isInfoEnabled()) {
                 LOG.info("Delete previous database directory: " + dbDirectory);
             }
             ApplicationIOUtil.deleteDirectory(dbDirectory, "Could not delete old db directory");
         }
 
         // delete db cache directory
         File cacheDirectory = getConfig().getCacheDirectory();
         if (cacheDirectory.exists()) {
 
             if (LOG.isInfoEnabled()) {
                 LOG.info("Delete previous database cache directory: " + cacheDirectory);
             }
             ApplicationIOUtil.deleteDirectory(cacheDirectory, "Could not delete old db cache directory");
         }
 
         // delete synchro directory
         File synchroDirectory = getConfig().getSynchronizationDirectory();
         if (synchroDirectory.exists()) {
 
             if (LOG.isInfoEnabled()) {
                 LOG.info("Delete previous database data synchro directory: " + synchroDirectory);
             }
             // Use a clean directory (see Mantis#0029005)
             Files.cleanDirectory(synchroDirectory, "Could not delete old synchro directory");
         }
 
         getContext().setDbExist(false);
     }
 
 }