/*
    * 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.r2.lum.course.service.assembler;
  
  import org.kuali.student.common.util.UUIDHelper;
  import org.kuali.student.r1.common.assembly.BOAssembler;
  import org.kuali.student.r1.common.assembly.BaseDTOAssemblyNode;
  import org.kuali.student.r1.common.assembly.BaseDTOAssemblyNode.NodeOperation;
  import org.kuali.student.r2.common.assembler.AssemblyException;
  import org.kuali.student.r2.common.dto.ContextInfo;
  import org.kuali.student.r2.lum.clu.dto.CluCluRelationInfo;
  import org.kuali.student.r2.lum.clu.dto.CluInfo;
  import org.kuali.student.r2.lum.clu.service.CluService;
  import org.kuali.student.r2.lum.course.dto.CourseJointInfo;
  /**
   * Assembles/Disassembles CourseJointInfo DTO from/to CluCluRelationInfo 
   * 
   * @author Kuali Student Team
   *
   */
  public class CourseJointAssembler implements BOAssembler<CourseJointInfo, CluCluRelationInfo> {
  		
  	CluService cluService;		
  	
  	/**
  	 * @return the cluService
  	 */
  	public CluService getCluService() {
  		return cluService;
  	}
  
  	/**
  	 * @param cluService the cluService to set
  	 */
  	public void setCluService(CluService cluService) {
  		this.cluService = cluService;
  	}
  
  	@Override
  	public CourseJointInfo assemble(CluCluRelationInfo cluRel, CourseJointInfo jointInfo, boolean shallowBuild, ContextInfo contextInfo) throws AssemblyException {
  		if(null == cluRel) {
  			return null;
  		}
  		
  		CourseJointInfo joint = (jointInfo != null) ? jointInfo : new CourseJointInfo();
  
  		CluInfo clu = null;
  		try {
  			clu = cluService.getClu(cluRel.getRelatedCluId() , contextInfo);
  
  			joint.setCourseId(clu.getId());
  
  			joint.setTypeKey(clu.getTypeKey());//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;
  	}
  
  	
  	public CourseJointInfo assemble(CluCluRelationInfo cluRel, String cluId, CourseJointInfo jointInfo, boolean shallowBuild, ContextInfo contextInfo) throws AssemblyException {
  		if(null == cluRel) {
  			return null;
  		}
  		
  		CourseJointInfo joint = (jointInfo != null) ? jointInfo : new CourseJointInfo();
  
  		CluInfo clu = null;
  		try {
  			clu = cluService.getClu(cluId , contextInfo);
  			
  			joint.setCourseId(clu.getId());
              joint.setTypeKey(clu.getTypeKey());
              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,ContextInfo contextInfo) 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.setTypeKey(CourseAssemblerConstants.JOINT_RELATION_TYPE);
 		result.setNodeData(cluRel);
 		// The caller is required to set the CluId on the cluCluRelation
 		
 		return result;
 	}
 }