package fr.ifremer.tutti.service.referential;
   
   /*
    * #%L
    * Tutti :: Service
    * $Id:$
    * $HeadURL:$
    * %%
    * 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 com.google.common.collect.Lists;
  import fr.ifremer.tutti.persistence.entities.TuttiEntities;
  import fr.ifremer.tutti.persistence.entities.referential.Person;
  import fr.ifremer.tutti.persistence.entities.referential.Persons;
  import fr.ifremer.tutti.service.AbstractTuttiService;
  import fr.ifremer.tutti.service.DecoratorService;
  import fr.ifremer.tutti.service.PersistenceService;
  import fr.ifremer.tutti.service.TuttiServiceContext;
  import fr.ifremer.tutti.service.referential.consumer.CsvConsumerForTemporaryPerson;
  import fr.ifremer.tutti.service.referential.csv.PersonRow;
  import fr.ifremer.tutti.service.referential.producer.CsvProducerForTemporaryPerson;
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  import org.nuiton.csv.ImportRow;
  import org.nuiton.jaxx.application.ApplicationTechnicalException;
  
  import java.io.File;
  import java.io.IOException;
  import java.util.List;
  
  import static org.nuiton.i18n.I18n.t;
  
  /**
   * Created on 11/16/14.
   *
   * @author Tony Chemit - chemit@codelutin.com
   * @since 3.10
   */
  public class ReferentialTemporaryPersonService extends AbstractTuttiService {
  
      /** Logger. */
      private static final Log log =
              LogFactory.getLog(ReferentialTemporaryPersonService.class);
  
      protected PersistenceService persistenceService;
  
      protected DecoratorService decoratorService;
  
      @Override
      public void setServiceContext(TuttiServiceContext context) {
          super.setServiceContext(context);
          persistenceService = getService(PersistenceService.class);
          decoratorService = getService(DecoratorService.class);
      }
  
      public ReferentialImportRequest<Person, Integer> createReferentialImportRequest() {
  
          List<Person> allPersons = persistenceService.getAllPerson();
          return new ReferentialImportRequest<>(allPersons, TuttiEntities.<Person>newIdAstIntFunction(), Persons.GET_FULL_NAME);
  
      }
  
      public ReferentialImportResult<Person> importTemporaryPerson(File file) {
  
          if (log.isInfoEnabled()) {
              log.info("Will import persons from file: " + file);
          }
  
          ReferentialImportRequest<Person, Integer> requestResult = createReferentialImportRequest();
  
          try (CsvConsumerForTemporaryPerson consumer = new CsvConsumerForTemporaryPerson(file.toPath(), getCsvSeparator(), true)) {
  
              for (ImportRow<PersonRow> bean : consumer) {
  
                  consumer.checkRow(bean, persistenceService, decoratorService, requestResult);
  
              }
  
          } catch (IOException e) {
              throw new ApplicationTechnicalException(t("tutti.service.referential.import.persons.error", file), e);
          }
  
          return executeImportRequest(requestResult);
 
     }
 
     public ReferentialImportResult<Person> executeImportRequest(ReferentialImportRequest<Person, Integer> requestResult) {
 
         ReferentialImportResult<Person> result = new ReferentialImportResult<>();
 
         if (requestResult.withEntitiesToDelete()) {
 
             List<Integer> idsToDelete = requestResult.getIdsToDelete();
             persistenceService.deleteTemporaryPersons(idsToDelete);
             result.setNbRefDeleted(idsToDelete.size());
 
         }
 
         if (requestResult.withEntitiesToAdd()) {
 
             List<Person> entitiesToAdd = requestResult.getEntitiesToAdd();
             List<Person> entitiesAdded = persistenceService.addTemporaryPersons(entitiesToAdd);
             result.addAllRefsAdded(entitiesAdded);
 
         }
 
         if (requestResult.withEntitiesToUpdate()) {
 
             List<Person> entitiesToUpdate = requestResult.getEntitiesToUpdate();
             List<Person> entitiesUpdated = persistenceService.updateTemporaryPersons(entitiesToUpdate);
             result.addAllRefsUpdated(entitiesUpdated);
 
         }
 
         if (requestResult.withEntitiesToLink()) {
 
             List<Person> entitiesToLink = requestResult.getEntitiesToLink();
             List<Person> entitiesLinked = persistenceService.linkTemporaryPersons(entitiesToLink);
             result.addAllRefsLinked(entitiesLinked);
 
         }
 
         return result;
 
     }
 
     public List<Person> getTemporaryPersons() {
 
         if (log.isInfoEnabled()) {
             log.info("Getting all persons from database");
         }
         List<Person> targetList = Lists.newArrayList(persistenceService.getAllPerson());
         if (log.isInfoEnabled()) {
             log.info("Got " + targetList.size() + " persons");
         }
         List<Person> toExport = persistenceService.retainTemporaryPersonList(targetList);
         if (log.isInfoEnabled()) {
             log.info("Got " + toExport.size() + " temporary persons");
         }
         return toExport;
 
     }
 
     public void exportExistingTemporaryPerson(File file) throws IOException {
 
         List<Person> toExport = getTemporaryPersons();
         exportTemporaryPerson(file, toExport);
 
     }
 
     public void exportTemporaryPersonExample(File file) throws IOException {
 
         List<Person> toExport = Lists.newArrayList();
 
         Person p;
 
         p = Persons.newPerson();
         p.setFirstName("First name 1");
         p.setLastName("Last name 1");
         toExport.add(p);
 
         p = Persons.newPerson();
         p.setFirstName("First name 2");
         p.setLastName("Last name 2");
         toExport.add(p);
 
         p = Persons.newPerson();
         p.setFirstName("First name 3");
         p.setLastName("Last name 3");
         toExport.add(p);
 
         exportTemporaryPerson(file, toExport);
 
     }
 
     public void exportTemporaryPerson(File file, List<Person> toExport) throws IOException {
 
         try (CsvProducerForTemporaryPerson producerForTemporarySpecies = new CsvProducerForTemporaryPerson(file.toPath(), getCsvSeparator())) {
 
             List<PersonRow> dataToExport = producerForTemporarySpecies.getDataToExport(toExport);
             producerForTemporarySpecies.write(dataToExport);
 
         } catch (Exception e) {
             throw new ApplicationTechnicalException(t("tutti.service.referential.export.person.error", file), e);
         }
 
     }
 
     protected char getCsvSeparator() {
         return ';';
     }
 }