/**
    * Copyright 2005-2013 The Kuali Foundation
    *
    * Licensed 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://www.opensource.org/licenses/ecl2.php
    *
   * 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.kuali.rice.coreservice.web.component;
  
  import org.apache.commons.collections.CollectionUtils;
  import org.apache.commons.lang.StringUtils;
  import org.kuali.rice.coreservice.impl.component.ComponentBo;
  import org.kuali.rice.coreservice.impl.component.DerivedComponentBo;
  import org.kuali.rice.kns.lookup.HtmlData;
  import org.kuali.rice.kns.lookup.KualiLookupableHelperServiceImpl;
  import org.kuali.rice.krad.bo.BusinessObject;
  import org.kuali.rice.krad.lookup.CollectionIncomplete;
  import org.kuali.rice.krad.lookup.LookupUtils;
  import org.kuali.rice.krad.service.KRADServiceLocator;
  
  import java.util.Collection;
  import java.util.List;
  
  public class ComponentLookupableHelperServiceImpl extends KualiLookupableHelperServiceImpl {
  
      private static final long serialVersionUID = -3978422770535345525L;
  
      private static final org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(ComponentLookupableHelperServiceImpl.class);
      
      private static final String ACTIVE = "active";
      private static final String CODE = "code";
      private static final String NAMESPACE_CODE = "namespaceCode";
      private static final String NAME = "name";
  
      @Override
      public List<? extends BusinessObject> getSearchResults(java.util.Map<String, String> fieldValues) {
  
          List<BusinessObject> baseLookup = (List<BusinessObject>) super.getSearchResults(fieldValues);
  
          String activeCheck = fieldValues.get(ACTIVE);
          if (activeCheck == null) {
              activeCheck = "";
          }
          int maxResultsCount = LookupUtils.getSearchResultsLimit(ComponentBo.class);
          // only bother with the component lookup if returning active components
          if (baseLookup instanceof CollectionIncomplete && !activeCheck.equals("N")) {
              long originalCount = Math.max(baseLookup.size(), ((CollectionIncomplete) baseLookup).getActualSizeIfTruncated());
              long totalCount = originalCount;
  
              Collection<DerivedComponentBo> derivedComponentBos = null;
              if (StringUtils.isBlank(fieldValues.get(CODE)) && StringUtils.isBlank(fieldValues.get(NAMESPACE_CODE))
                      && StringUtils.isBlank(fieldValues.get(NAME))) {
                  derivedComponentBos = KRADServiceLocator.getBusinessObjectService().findAll(DerivedComponentBo.class);
              } else {
                  derivedComponentBos = getLookupService().findCollectionBySearchHelper(DerivedComponentBo.class, fieldValues, false);
              }
              if (CollectionUtils.isNotEmpty(derivedComponentBos)) {
                  for (DerivedComponentBo derivedComponentBo : derivedComponentBos) {
                      if (totalCount++ < maxResultsCount) {
                          baseLookup.add(DerivedComponentBo.toComponentBo(derivedComponentBo));
                      } else {
                          break;
                      }
                  }
              }
  
              if (totalCount > maxResultsCount) {
                  ((CollectionIncomplete) baseLookup).setActualSizeIfTruncated(totalCount);
              }
              else {
                  ((CollectionIncomplete) baseLookup).setActualSizeIfTruncated(0L);
              }
          }
  
          return baseLookup;
      }
  
      /**
       * Suppress the edit/copy links on synthetic detail types.
       */
      @Override
      public List<HtmlData> getCustomActionUrls(BusinessObject businessObject, List pkNames) {
          if ( ((ComponentBo)businessObject).getObjectId() == null ) {
              return super.getEmptyActionUrls();
          }
          return super.getCustomActionUrls(businessObject, pkNames);
      }
  
  }