/*
    * Copyright 2008 The Kuali Foundation
    *
    * Licensed under the Educational Community License, Version 1.0 (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/ecl1.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.student.lum.course.service.assembler;
  
  import org.kuali.student.common.util.UUIDHelper;
  import org.kuali.student.core.assembly.BOAssembler;
  import org.kuali.student.core.assembly.BaseDTOAssemblyNode;
  import org.kuali.student.core.assembly.BaseDTOAssemblyNode.NodeOperation;
  import org.kuali.student.core.assembly.data.AssemblyException;
  import org.kuali.student.lum.course.dto.CourseJointInfo;
  import org.kuali.student.lum.lu.dto.CluCluRelationInfo;
  import org.kuali.student.lum.lu.dto.CluInfo;
  import org.kuali.student.lum.lu.service.LuService;
  
  /**
   * Assembles/Disassembles CourseJointInfo DTO from/to CluCluRelationInfo 
   * 
   * @author Kuali Student Team
   *
   */
  public class CourseJointAssembler implements BOAssembler<CourseJointInfo, CluCluRelationInfo> {
  		
  	LuService luService;		
  	
  	/**
  	 * @return the luService
  	 */
  	public LuService getLuService() {
  		return luService;
  	}
  
  	/**
  	 * @param luService the luService to set
  	 */
  	public void setLuService(LuService luService) {
  		this.luService = luService;
  	}
  
  	@Override
  	public CourseJointInfo assemble(CluCluRelationInfo cluRel, CourseJointInfo jointInfo, boolean shallowBuild) throws AssemblyException {
  		if(null == cluRel) {
  			return null;
  		}
  		
  		CourseJointInfo joint = (jointInfo != null) ? jointInfo : new CourseJointInfo();
  
  		CluInfo clu;
  		try {
  			clu = luService.getClu(cluRel.getRelatedCluId());
  
  			joint.setCourseId(clu.getId());
  			joint.setType(clu.getType());//FIXME is this ever used?
  			joint.setSubjectArea(clu.getOfficialIdentifier().getDivision());
  			joint.setCourseTitle(clu.getOfficialIdentifier().getLongName());
  			joint.setCourseNumberSuffix(clu.getOfficialIdentifier().getSuffixCode());
  			joint.setRelationId(cluRel.getId());
  
  		} catch (Exception e) {
  			throw new AssemblyException("Error getting related clus", e);
  		} 
  		
  		return joint;
  	}
  
  	@Override
  	public BaseDTOAssemblyNode<CourseJointInfo, CluCluRelationInfo> disassemble(
  			CourseJointInfo joint, NodeOperation operation) throws AssemblyException {
  		
  		if(null == joint){
  			//FIXME Unsure now if this is an exception or just return null or empty assemblyNode 
  			throw new AssemblyException("Activity can not be null");
  		}
  				
  		BaseDTOAssemblyNode<CourseJointInfo, CluCluRelationInfo> result = new BaseDTOAssemblyNode<CourseJointInfo, CluCluRelationInfo>(this);
  		result.setBusinessDTORef(joint);
  		result.setOperation(operation);
  		
  		CluCluRelationInfo cluRel = new CluCluRelationInfo();
  		cluRel.setId(UUIDHelper.genStringUUID(joint.getRelationId()));
  		cluRel.setRelatedCluId(joint.getCourseId());
  		cluRel.setType(CourseAssemblerConstants.JOINT_RELATION_TYPE);
  		result.setNodeData(cluRel);
  		// The caller is required to set the CluId on the cluCluRelation
  		
  		return result;
  	}
 }