/*
    * Copyright 2007-2009 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.kns.util.documentserlializer;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.rice.kns.datadictionary.MaintainableCollectionDefinition;
  import org.kuali.rice.kns.datadictionary.MaintainableFieldDefinition;
  import org.kuali.rice.kns.datadictionary.MaintainableItemDefinition;
  import org.kuali.rice.kns.datadictionary.MaintainableSectionDefinition;
  import org.kuali.rice.kns.datadictionary.MaintainableSubSectionHeaderDefinition;
  import org.kuali.rice.krad.datadictionary.DataDictionary;
  import org.kuali.rice.kns.datadictionary.MaintenanceDocumentEntry;
  import org.kuali.rice.krad.service.KRADServiceLocatorWeb;
  import org.kuali.rice.krad.util.documentserializer.PropertySerializabilityEvaluator;
  import org.kuali.rice.krad.util.documentserializer.PropertySerializabilityEvaluatorBase;
  import org.kuali.rice.krad.util.documentserializer.PropertySerializerTrie;
  
  import java.util.ArrayList;
  import java.util.List;
  
  
  public class MaintenanceDocumentPropertySerializibilityEvaluator 
  				extends PropertySerializabilityEvaluatorBase implements PropertySerializabilityEvaluator {
  
      /**
       * Reads the data dictionary to determine which properties of the document should be serialized.
       * 
       * @see org.kuali.rice.krad.util.documentserializer.PropertySerializabilityEvaluator#initializeEvaluator(org.kuali.rice.krad.document.Document)
       */
  	@Override
      public void initializeEvaluatorForDataObject(Object businessObject){
          DataDictionary dictionary = KRADServiceLocatorWeb.getDataDictionaryService().getDataDictionary();
          MaintenanceDocumentEntry maintenanceDocumentEntry = (MaintenanceDocumentEntry)
          	dictionary.getMaintenanceDocumentEntryForBusinessObjectClass(businessObject.getClass());
          serializableProperties = new PropertySerializerTrie();
          populateSerializableProperties(maintenanceDocumentEntry.getMaintainableSections());
          serializableProperties.addSerializablePropertyName("boNotes", true);
          serializableProperties.addSerializablePropertyName("boNotes.attachment", true);
      }
      
      private void populateSerializableProperties(List<MaintainableSectionDefinition> maintainableSectionDefinitions){
          for(MaintainableSectionDefinition maintainableSectionDefinition: maintainableSectionDefinitions){
          	populateSerializablePropertiesWithItems("", maintainableSectionDefinition.getMaintainableItems());
          }
      }
  
      private void populateSerializablePropertiesWithItems(String basePath, List<MaintainableItemDefinition> maintainableItems){
      	for(MaintainableItemDefinition maintainableItemDefinition: maintainableItems){
              if(maintainableItemDefinition instanceof MaintainableFieldDefinition){
                  serializableProperties.addSerializablePropertyName(getFullItemName(basePath, maintainableItemDefinition.getName()), true);
              } else if(maintainableItemDefinition instanceof MaintainableCollectionDefinition){
              	serializableProperties.addSerializablePropertyName(getFullItemName(basePath, maintainableItemDefinition.getName()), true);
              	populateSerializablePropertiesWithItems(getFullItemName(basePath, maintainableItemDefinition.getName()), 
              			getAllMaintainableFieldDefinitionsForSerialization(
              			(MaintainableCollectionDefinition)maintainableItemDefinition));            	
              } else if(maintainableItemDefinition instanceof MaintainableSubSectionHeaderDefinition){
              	//Ignore
              }
      	}
      }
  
      private String getFullItemName(String basePath, String itemName){
      	return StringUtils.isEmpty(basePath) ? itemName : basePath+"."+itemName;
      }
      
      public List<MaintainableItemDefinition> getAllMaintainableFieldDefinitionsForSerialization(
      		MaintainableCollectionDefinition maintainableCollectionDefinition){
  		List<MaintainableItemDefinition> allMaintainableItemDefinitions = new ArrayList<MaintainableItemDefinition>();
  
  		if(maintainableCollectionDefinition.getMaintainableFields()!=null){
  			allMaintainableItemDefinitions.addAll(maintainableCollectionDefinition.getMaintainableFields());
  		}
  
  		if(maintainableCollectionDefinition.getSummaryFields()!=null){
  			allMaintainableItemDefinitions.addAll(
  					(List<MaintainableFieldDefinition>)maintainableCollectionDefinition.getSummaryFields());
  		}
  
  		if(maintainableCollectionDefinition.getDuplicateIdentificationFields()!=null){
  			allMaintainableItemDefinitions.addAll(maintainableCollectionDefinition.getDuplicateIdentificationFields());
  		}
  
  		/*if(maintainableCollectionMap!=null){
  			updateMaintainableCollectionDefinitionForSerialization(maintainableCollectionMap.values());
  			allMaintainableItemDefinitions.addAll(maintainableCollectionMap.values());
  		}*/
 		if(maintainableCollectionDefinition.getMaintainableCollections()!=null){
 			allMaintainableItemDefinitions.addAll(maintainableCollectionDefinition.getMaintainableCollections());
 		}
 
 		return allMaintainableItemDefinitions;
 	}
     
 }