/*
    * Copyright (c) 2002-2024, City of Paris
    * All rights reserved.
    *
    * Redistribution and use in source and binary forms, with or without
    * modification, are permitted provided that the following conditions
    * are met:
    *
    *  1. Redistributions of source code must retain the above copyright notice
   *     and the following disclaimer.
   *
   *  2. Redistributions in binary form must reproduce the above copyright notice
   *     and the following disclaimer in the documentation and/or other materials
   *     provided with the distribution.
   *
   *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
   *     contributors may be used to endorse or promote products derived from
   *     this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   *
   * License 1.0
   */
  package fr.paris.lutece.plugins.identitystore.cache;
  
  import fr.paris.lutece.plugins.identitystore.business.attribute.AttributeKey;
  import fr.paris.lutece.plugins.identitystore.business.attribute.AttributeKeyHome;
  import fr.paris.lutece.plugins.identitystore.service.identity.IdentityAttributeNotFoundException;
  import fr.paris.lutece.portal.service.cache.AbstractCacheableService;
  import fr.paris.lutece.portal.service.util.AppLogService;
  
  import java.util.regex.Pattern;
  
  public class IdentityAttributeValidationCache extends AbstractCacheableService
  {
      public static final String SERVICE_NAME = "IdentityAttributeValidationCache";
  
      public IdentityAttributeValidationCache( )
      {
          this.initCache( );
      }
  
      public void refresh( )
      {
          AppLogService.debug( "Init Attribute Validation cache" );
          this.resetCache( );
          AttributeKeyHome.getAttributeKeysList( false )
                  .forEach( attributeKey -> this.put( attributeKey.getKeyName( ), Pattern.compile( attributeKey.getValidationRegex( ) ) ) );
      }
  
      public void put( final String keyName, final Pattern validationPattern )
      {
          if ( this.getKeys( ).contains( keyName ) )
          {
              this.removeKey( keyName );
          }
          this.putInCache( keyName, validationPattern );
          AppLogService.debug( "Validation Pattern added to cache: " + keyName );
      }
  
      public void remove( final String keyName )
      {
          if ( this.getKeys( ).contains( keyName ) )
          {
              this.removeKey( keyName );
          }
  
          AppLogService.debug( "Validation Pattern removed from cache: " + keyName );
      }
  
      public Pattern get( final String keyName ) throws IdentityAttributeNotFoundException
      {
          Pattern validationPattern = (Pattern) this.getFromCache( keyName );
          if ( validationPattern == null )
          {
              validationPattern = this.getFromDatabase( keyName );
              this.put( keyName, validationPattern );
          }
          return validationPattern;
      }
  
      public Pattern getFromDatabase( final String keyName ) throws IdentityAttributeNotFoundException
      {
          final AttributeKey attributeKey = AttributeKeyHome.findByKey( keyName, false );
          if ( attributeKey == null )
          {
              throw new IdentityAttributeNotFoundException( "No attribute key could be found with key " + keyName );
          }
          return Pattern.compile( attributeKey.getValidationRegex( ) );
     }
 
     @Override
     public String getName( )
     {
         return SERVICE_NAME;
     }
 }