/*
    * Licensed to The Apereo Foundation under one or more contributor license
    * agreements. See the NOTICE file distributed with this work for additional
    * information regarding copyright ownership.
    *
    *
    * The Apereo Foundation licenses this file to you under the Educational
    * Community License, Version 2.0 (the "License"); you may not use this file
    * except in compliance with the License. You may obtain a copy of the License
   * at:
   *
   *   http://opensource.org/licenses/ecl2.txt
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
   * License for the specific language governing permissions and limitations under
   * the License.
   *
   */
  
  package org.opencastproject.elasticsearch.index.objects.theme;
  
  import org.opencastproject.elasticsearch.api.SearchTerms;
  import org.opencastproject.elasticsearch.api.SearchTerms.Quantifier;
  import org.opencastproject.elasticsearch.impl.AbstractElasticsearchQueryBuilder;
  import org.opencastproject.elasticsearch.impl.IndexSchema;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.util.ArrayList;
  
  /**
   * Opencast {@link ThemeSearchQuery} implementation of the Elasticsearch query builder.
   */
  public class ThemeQueryBuilder extends AbstractElasticsearchQueryBuilder<ThemeSearchQuery> {
  
    /** The logging facility */
    private static final Logger logger = LoggerFactory.getLogger(ThemeQueryBuilder.class);
  
    /**
     * Creates a new search query based on the theme query.
     *
     * @param query
     *          the theme query
     */
    public ThemeQueryBuilder(ThemeSearchQuery query) {
      super(query);
    }
  
    @Override
    public void buildQuery(ThemeSearchQuery query) {
      // Organization
      if (query.getOrganization() == null) {
        throw new IllegalStateException("No organization set on the theme search query!");
      }
  
      and(ThemeIndexSchema.ORGANIZATION, query.getOrganization());
  
      // theme identifier
      if (query.getIdentifiers().length > 0) {
        and(ThemeIndexSchema.ID, query.getIdentifiers());
      }
  
      if (query.getCreator() != null) {
        and(ThemeIndexSchema.CREATOR, query.getCreator());
      }
  
      if (query.getCreatedFrom() != null && query.getCreatedTo() != null) {
        and(ThemeIndexSchema.CREATION_DATE, query.getCreatedFrom(), query.getCreatedTo());
      }
  
      if (query.getIsDefault() != null) {
        and(ThemeIndexSchema.DEFAULT, query.getIsDefault());
      }
  
      if (query.getDescription() != null) {
        and(ThemeIndexSchema.DESCRIPTION, query.getDescription());
      }
  
      if (query.getName() != null) {
        and(ThemeIndexSchema.NAME, query.getName());
      }
  
      if (query.getBumperActive() != null) {
        and(ThemeIndexSchema.BUMPER_ACTIVE, query.getBumperActive());
      }
  
      if (query.getBumperFile() != null) {
        and(ThemeIndexSchema.BUMPER_FILE, query.getBumperFile());
      }
  
      if (query.getLicenseSlideActive() != null) {
        and(ThemeIndexSchema.LICENSE_SLIDE_ACTIVE, query.getLicenseSlideActive());
      }
  
      if (query.getLicenseSlideBackground() != null) {
        and(ThemeIndexSchema.LICENSE_SLIDE_BACKGROUND, query.getLicenseSlideBackground());
     }
 
     if (query.getLicenseSlideDescription() != null) {
       and(ThemeIndexSchema.LICENSE_SLIDE_DESCRIPTION, query.getLicenseSlideDescription());
     }
 
     if (query.getTrailerActive() != null) {
       and(ThemeIndexSchema.TRAILER_ACTIVE, query.getTrailerActive());
     }
 
     if (query.getTrailerFile() != null) {
       and(ThemeIndexSchema.TRAILER_FILE, query.getTrailerFile());
     }
 
     if (query.getTitleSlideActive() != null) {
       and(ThemeIndexSchema.TITLE_SLIDE_ACTIVE, query.getTitleSlideActive());
     }
 
     if (query.getTitleSlideBackground() != null) {
       and(ThemeIndexSchema.TITLE_SLIDE_BACKGROUND, query.getTitleSlideBackground());
     }
 
     if (query.getTitleSlideMetadata() != null) {
       and(ThemeIndexSchema.TITLE_SLIDE_METADATA, query.getTitleSlideMetadata());
     }
 
     if (query.getWatermarkActive() != null) {
       and(ThemeIndexSchema.WATERMARK_ACTIVE, query.getWatermarkActive());
     }
 
     if (query.getWatermarkFile() != null) {
       and(ThemeIndexSchema.WATERMARK_FILE, query.getWatermarkFile());
     }
 
     if (query.getWatermarkPosition() != null) {
       and(ThemeIndexSchema.WATERMARK_POSITION, query.getWatermarkPosition());
     }
 
     // Text
     if (query.getTerms() != null) {
       for (SearchTerms<String> terms : query.getTerms()) {
         StringBuilder queryText = new StringBuilder();
         for (String term : terms.getTerms()) {
           if (queryText.length() > 0) {
             queryText.append(" ");
           }
           queryText.append(term);
         }
         if (query.isFuzzySearch()) {
           fuzzyText = queryText.toString();
         } else {
           this.text = queryText.toString();
         }
         if (Quantifier.All.equals(terms.getQuantifier())) {
           if (groups == null) {
             groups = new ArrayList<ValueGroup>();
           }
           if (query.isFuzzySearch()) {
             logger.warn("All quantifier not supported in conjunction with wildcard text");
           }
           groups.add(new ValueGroup(IndexSchema.TEXT, (Object[]) terms.getTerms().toArray(new String[terms.size()])));
         }
       }
     }
 
     // Filter query
     if (query.getFilter() != null) {
       this.filter = query.getFilter();
     }
 
   }
 
 }