package fr.ifremer.tutti.ui.swing.content.db.actions;
   
   /*
    * #%L
    * Tutti :: UI
    * %%
    * 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 com.google.common.base.Preconditions;
  import fr.ifremer.tutti.persistence.ProgressionModel;
  import fr.ifremer.tutti.ui.swing.RunTutti;
  import fr.ifremer.tutti.ui.swing.content.MainUIHandler;
  import fr.ifremer.tutti.ui.swing.content.actions.AbstractMainUITuttiAction;
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  import org.nuiton.jaxx.application.ApplicationIOUtil;
  
  import java.io.File;
  import java.util.Date;
  
  import static org.nuiton.i18n.I18n.t;
  
  /**
   * To import a db after restart application.
   *
   * @author Tony Chemit - chemit@codelutin.com
   * @since 1.1
   */
  public class ReimportDbAction extends AbstractMainUITuttiAction {
  
      /** Logger. */
      private static final Log log = LogFactory.getLog(ReimportDbAction.class);
  
      protected File backupFile;
  
      protected File importFile;
  
      protected String jdbcUrl;
  
      public ReimportDbAction(MainUIHandler handler) {
          super(handler, true);
          setActionDescription(t("tutti.dbManager.action.importDb.tip"));
      }
  
      @Override
      public boolean prepareAction() throws Exception {
  
          jdbcUrl = null;
          backupFile = importFile = null;
  
          boolean doAction = super.prepareAction();
  
          if (doAction) {
  
              jdbcUrl = getConfig().getJdbcUrl();
  
              if (getModel().isDbExist()) {
  
                  if (getConfig().isImportDbSkipBackup()) {
  
                      if (log.isInfoEnabled()) {
                          log.info("Skip backup before import, lucky you...");
                      }
  
                  } else {
  
                      displayInfoMessage(
                              t("tutti.dbManager.title.backup.db"),
                              t("tutti.dbManager.action.importDb.backup.db")
                      );
  
                      // choose backup file
                      backupFile = saveFile(
                              getConfig().getDbBackupDirectory(),
                              "tutti-db-" + ExportDbAction.df.format(new Date()),
                              "zip",
                              t("tutti.dbManager.title.choose.dbExportFile"),
                              t("tutti.dbManager.action.chooseDbExportFile"),
                              "^.*\\.zip", t("tutti.common.file.zip")
                      );
  
                      if (backupFile == null) {
  
                         displayWarningMessage(
                                 t("tutti.dbManager.title.backup.db"),
                                 t("tutti.dbManager.action.importdb.no.backup.db.choosen")
                         );
 
                         doAction = false;
                     }
 
                 }
 
             }
 
             if (doAction && importFile == null) {
 
                 // choose file to import
                 importFile = chooseFile(
                         t("tutti.dbManager.title.choose.dbImportFile"),
                         t("tutti.dbManager.action.chooseDbFile"),
                         "^.*\\.zip", t("tutti.common.file.zip")
                 );
 
                 if (importFile == null) {
 
                     displayWarningMessage(
                             t("tutti.dbManager.title.choose.dbImportFile"),
                             t("tutti.dbManager.action.importdb.no.import.file.choosen")
                     );
 
                     doAction = false;
                 }
             }
 
             if (doAction) {
 
                 ProgressionModel progressionModel = new ProgressionModel();
                 progressionModel.setTotal(3 + (backupFile == null ? 0 : 1));
                 setProgressionModel(progressionModel);
 
                 getContext().getPersistenceService().checkImportStructure(importFile);
             }
         }
         return doAction;
     }
 
     @Override
     public void releaseAction() {
         importFile = backupFile = null;
         super.releaseAction();
     }
 
     @Override
     public void doAction() throws Exception {
 
         Preconditions.checkNotNull(importFile);
 
         ProgressionModel progressionModel = getProgressionModel();
 
         boolean doBackup = backupFile != null;
 
         // close db
         progressionModel.increments(t("tutti.reimport.step.closeDb", jdbcUrl));
 
         if (!doBackup) {
             getContext().getPersistenceService().setSkipShutdownDbWhenClosing();
         }
 
         getContext().closePersistenceService();
 
 
         if (doBackup) {
 
             // backup db
             progressionModel.increments(t("tutti.reimport.step.backupDb", backupFile));
             getContext().getPersistenceService().exportDb(backupFile);
 
         }
 
         // clean db context
         getContext().clearDbContext();
 
         // write restart action file (will be load at restart)
         String actionContent = ImportDbAction.class.getName() + ":" + importFile.getAbsolutePath();
 
         File startActionFile = getConfig().getStartActionFile();
         ApplicationIOUtil.writeContent(startActionFile, actionContent, t("tutti.error.write.startActionFile", startActionFile));
 
         // delete db files on exit
         getContext().deleteDbOnExit();
 
         // restart application
         progressionModel.increments(t("tutti.reimport.step.reloadApplication"));
         RunTutti.closeTutti(getHandler(), RunTutti.RESTART_EXIT_CODE);
 
     }
 
 }