package fr.ifremer.reefdb.service;
   
   /*
    * #%L
    * Reef DB :: Core
    * $Id:$
    * $HeadURL:$
    * %%
    * Copyright (C) 2014 - 2015 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 fr.ifremer.quadrige3.core.dao.technical.Assert;
  import fr.ifremer.quadrige3.core.security.QuadrigeUserAuthority;
  import fr.ifremer.quadrige3.core.security.SecurityContext;
  import fr.ifremer.quadrige3.core.security.SecurityContextHelper;
  import fr.ifremer.reefdb.dto.configuration.context.ContextDTO;
  import fr.ifremer.reefdb.dto.configuration.filter.FilterDTO;
  import fr.ifremer.reefdb.dto.enums.FilterTypeValues;
  import org.apache.commons.collections4.CollectionUtils;
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  import org.jdesktop.beans.AbstractBean;
  
  import java.io.Closeable;
  import java.util.Objects;
  
  /**
   * Data context of ui.
   * <p/>
   * All shared data must be there to avoid reloading some stuff.
   *
   * @author Benoit Lavenier <benoit.lavenier@e-is.pro>
   */
  public class ReefDbDataContext extends AbstractBean implements Closeable, SecurityContext {
  
      /** Constant <code>PROPERTY_RECORDER_PERSON_ID="recorderPersonId"</code> */
      public static final String PROPERTY_RECORDER_PERSON_ID = "recorderPersonId";
      /** Constant <code>PROPERTY_RECORDER_DEPARTMENT_ID="recorderDepartmentId"</code> */
      public static final String PROPERTY_RECORDER_DEPARTMENT_ID = "recorderDepartmentId";
      /** Constant <code>PROPERTY_CONTEXT="context"</code> */
      public static final String PROPERTY_CONTEXT = "context";
      /**
       * Logger.
       */
      private static final Log LOG = LogFactory.getLog(ReefDbDataContext.class);
      // Singleton
      private static final ReefDbDataContext INSTANCE = new ReefDbDataContext();
      /**
       * the current recorder user
       */
      private Integer recorderPersonId;
      /**
       * the current recorder department
       */
      private Integer recorderDepartmentId;
      /**
       * the current context
       */
      private ContextDTO context;
  
      /**
       * <p>Constructor for ReefDbDataContext.</p>
       */
      protected ReefDbDataContext() {
          // protected constructor, for singleton
      }
  
      /**
       * <p>instance.</p>
       *
       * @return a {@link fr.ifremer.reefdb.service.ReefDbDataContext} object.
       */
      public static ReefDbDataContext instance() {
          return INSTANCE;
      }
  
      /** {@inheritDoc} */
      @Override
      public void close() {
          clearContext();
      }
  
      /**
       * <p>clearContext.</p>
       */
     public void clearContext() {
         clearContext(false);
     }
 
     /**
      * <p>clearContextKeepRecorderPerson.</p>
      */
     public void clearContextKeepRecorderPerson() {
         clearContext(true);
     }
 
     private void clearContext(boolean keepRecorderPerson) {
         if (!keepRecorderPerson) {
             setRecorderPersonId(null);
         }
 
         // reset local caches
         resetLocalCache();
     }
 
     /**
      * <p>resetLocalCache.</p>
      */
     public void resetLocalCache() {
 
     }
 
     /*
      * recorder person Id
      */
     /**
      * <p>isRecorderPersonFilled.</p>
      *
      * @return a boolean.
      */
     public boolean isRecorderPersonFilled() {
         return recorderPersonId != null;
     }
 
     /**
      * <p>Getter for the field <code>recorderPersonId</code>.</p>
      *
      * @return a {@link java.lang.Integer} object.
      */
     public Integer getRecorderPersonId() {
         return recorderPersonId;
     }
 
     /**
      * <p>Setter for the field <code>recorderPersonId</code>.</p>
      *
      * @param recorderPersonId a {@link java.lang.Integer} object.
      */
     public void setRecorderPersonId(Integer recorderPersonId) {
         Integer oldId = getRecorderPersonId();
         this.recorderPersonId = recorderPersonId;
         firePropertyChange(PROPERTY_RECORDER_PERSON_ID, oldId, recorderPersonId);
     }
 
     /** {@inheritDoc} */
     @Override
     public int getPrincipalUserId() {
         return getRecorderPersonId();
     }
 
     /*
      * recorder department Id
      */
     /**
      * <p>isRecorderDepartmentFilled.</p>
      *
      * @return a boolean.
      */
     public boolean isRecorderDepartmentFilled() {
         return recorderDepartmentId != null;
     }
 
     /**
      * <p>Getter for the field <code>recorderDepartmentId</code>.</p>
      *
      * @return a {@link java.lang.Integer} object.
      */
     public Integer getRecorderDepartmentId() {
         return recorderDepartmentId;
     }
 
     /**
      * <p>Setter for the field <code>recorderDepartmentId</code>.</p>
      *
      * @param recorderDepartmentId a {@link java.lang.Integer} object.
      */
     public void setRecorderDepartmentId(Integer recorderDepartmentId) {
         Integer oldId = getRecorderDepartmentId();
         this.recorderDepartmentId = recorderDepartmentId;
         firePropertyChange(PROPERTY_RECORDER_DEPARTMENT_ID, oldId, recorderDepartmentId);
     }
 
     /**
      * <p>isRecorderValidator.</p>
      *
      * @return a boolean.
      */
     public boolean isRecorderValidator() {
         return SecurityContextHelper.hasAuthority(QuadrigeUserAuthority.VALIDATOR);
     }
 
     /**
      * <p>Getter for the field <code>context</code>.</p>
      *
      * @return a {@link fr.ifremer.reefdb.dto.configuration.context.ContextDTO} object.
      */
     public ContextDTO getContext() {
         return context;
     }
 
     /**
      * <p>Setter for the field <code>context</code>.</p>
      *
      * @param context a {@link fr.ifremer.reefdb.dto.configuration.context.ContextDTO} object.
      */
     public void setContext(ContextDTO context) {
         ContextDTO oldContext = getContext();
         this.context = context;
         firePropertyChange(PROPERTY_CONTEXT, oldContext, context);
     }
 
     /**
      * <p>getContextId.</p>
      *
      * @return a int.
      */
     public int getContextId() {
         Assert.notNull(getContext());
         return getContext().getId();
     }
 
     /**
      * <p>isContextFiltered.</p>
      *
      * @param contextFilter a {@link FilterTypeValues} object.
      * @return a boolean.
      */
     public boolean isContextFiltered(FilterTypeValues contextFilter) {
         Assert.notNull(contextFilter);
         if (getContext() == null || CollectionUtils.isEmpty(getContext().getFilters())) {
             return false;
         }
         for (FilterDTO filter : getContext().getFilters()) {
             if (Objects.equals(filter.getFilterTypeId(), contextFilter.getFilterTypeId())) {
                 return true;
             }
         }
         return false;
     }
 
 }