/*

  * Copyright 2006-2011 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.kim.impl.common.attribute

 import javax.persistence.Transient

 import org.apache.commons.lang.StringUtils

 import org.kuali.rice.kim.api.common.attribute.KimAttributeDataContract

 import org.kuali.rice.kim.api.services.KimApiServiceLocator

 import org.kuali.rice.kim.api.type.KimTypeAttribute

 import org.kuali.rice.kim.impl.type.KimTypeBo

 import org.kuali.rice.krad.bo.PersistableBusinessObjectBase

 abstract class KimAttributeDataBo extends PersistableBusinessObjectBase implements KimAttributeDataContract {

     private static final long serialVersionUID = 1L;

     String id

     String attributeValue

     String kimAttributeId

     KimAttributeBo kimAttribute

     String kimTypeId

     @Transient

     KimTypeBo kimType

     abstract void setAssignedToId(String s);

     @Override

     KimAttributeBo getKimAttribute() {

         return kimAttribute

     }

     @Override

     KimTypeBo getKimType() {

         if (kimType == null && StringUtils.isNotEmpty(id)) {

             kimType = KimTypeBo.from(KimApiServiceLocator.getKimTypeInfoService().getKimType(kimTypeId));

         }

         return kimType;

     }

     static <T extends KimAttributeDataBo> Map<String, String> toAttributes(Collection<T> bos) {

         def m = [:]

         if(bos != null) {

             bos.each {

                 if (it != null) {

                     KimTypeAttribute attribute = null;

                     if ( it.kimType != null ) {

                         attribute = KimTypeBo.to(it.kimType).getAttributeDefinitionById( it.getKimAttributeId() );

                     }

                     if ( attribute != null ) {

                         m[attribute.getKimAttribute().getAttributeName()] = it.getAttributeValue();

                     } else {

                         m[it.getKimAttribute().getAttributeName()] = it.getAttributeValue();

                     }

                 }

             }

         }

         return m;

     }

     /** creates a list of KimAttributeDataBos from attributes, kimTypeId, and assignedToId. */

     static <T extends KimAttributeDataBo> List<T> createFrom(Class<T> type, Map<String, String> attributes, String kimTypeId) {

        if (attributes == null) {

            //purposely not using Collections.emptyList() b/c we do not want to return an unmodifiable list.

            return new ArrayList<T>();

        }

        return attributes.entrySet().collect {

             KimTypeAttribute attr = KimApiServiceLocator.getKimTypeInfoService().getKimType(kimTypeId).getAttributeDefinitionByName(it.getKey());

             if (attr != null && StringUtils.isNotBlank(it.getValue())) {

                 T newDetail = type.newInstance();

                 newDetail.setKimAttributeId(attr.getKimAttribute().getId());

                 newDetail.setKimTypeId(kimTypeId);

                 newDetail.setAttributeValue(it.getValue());

                 return newDetail;

             }

         }

     }

 }