/**
    * Copyright 2005-2014 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.krms.impl.repository;
  
  import org.kuali.rice.krad.data.jpa.PortableSequenceGenerator;
  import org.kuali.rice.krms.api.repository.term.TermDefinition;
  import org.kuali.rice.krms.api.repository.term.TermDefinitionContract;
  import org.kuali.rice.krms.api.repository.term.TermParameterDefinition;
  
  import javax.persistence.CascadeType;
  import javax.persistence.Column;
  import javax.persistence.Entity;
  import javax.persistence.GeneratedValue;
  import javax.persistence.Id;
  import javax.persistence.JoinColumn;
  import javax.persistence.ManyToOne;
  import javax.persistence.OneToMany;
  import javax.persistence.Table;
  import javax.persistence.Transient;
  import javax.persistence.Version;
  import java.io.Serializable;
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  import java.util.Map.Entry;
  
  @Entity
  @Table(name = "KRMS_TERM_T")
  public class TermBo implements TermDefinitionContract, Serializable {
  
      private static final long serialVersionUID = 1l;
  
      public static final String TERM_SEQ_NAME = "KRMS_TERM_S";
  
      @PortableSequenceGenerator(name = TERM_SEQ_NAME) @GeneratedValue(generator = TERM_SEQ_NAME) @Id @Column(
              name = "TERM_ID")
      private String id;
  
      @Column(name = "TERM_SPEC_ID")
      private String specificationId;
  
      @Column(name = "DESC_TXT")
      private String description;
  
      @Version @Column(name = "VER_NBR", length = 8)
      protected Long versionNumber;
  
      // new-ing up an empty one allows the TermBo lookup to work on fields in the term specification:
      @ManyToOne(targetEntity = TermSpecificationBo.class, cascade = {CascadeType.REFRESH})
      @JoinColumn(name = "TERM_SPEC_ID", referencedColumnName = "TERM_SPEC_ID", insertable = false, updatable = false)
      private TermSpecificationBo specification = new TermSpecificationBo();
  
      @OneToMany(targetEntity = TermParameterBo.class, orphanRemoval = true,
              cascade = {CascadeType.REFRESH, CascadeType.MERGE, CascadeType.REMOVE, CascadeType.PERSIST},
              mappedBy = "term"
      )
      private List<TermParameterBo> parameters;
  
      @Transient
      private Map<String, String> parametersMap = new HashMap<String, String>();
  
      /**
       * Converts a mutable bo to it's immutable counterpart
       *
       * @param bo the mutable business object
       * @return the immutable object
       */
      public static TermDefinition to(TermBo bo) {
          if (bo == null) {
              return null;
          }
  
          return TermDefinition.Builder.create(bo).build();
      }
  
      /**
       * Converts a immutable object to it's mutable bo counterpart
       *
       * @param im immutable object
       * @return the mutable bo
       */
      public static TermBo from(TermDefinition im) {
          if (im == null) {
              return null;
          }
 
         TermBo bo = new TermBo();
         bo.id = im.getId();
         bo.specificationId = im.getSpecification().getId();
         bo.description = im.getDescription();
         bo.specification = TermSpecificationBo.from(im.getSpecification());
         bo.parameters = new ArrayList<TermParameterBo>();
 
         for (TermParameterDefinition parm : im.getParameters()) {
             TermParameterBo termParmBo = TermParameterBo.from(parm);
             bo.parameters.add(termParmBo);
             termParmBo.setTerm(bo);
         }
 
         bo.versionNumber = im.getVersionNumber();
 
         return bo;
     }
 
     public TermSpecificationBo getSpecification() {
         return specification;
     }
 
     public void setSpecification(TermSpecificationBo specification) {
         this.specification = specification;
     }
 
     public List<TermParameterBo> getParameters() {
         return parameters;
     }
 
     public Map<String, String> getParametersMap() {
         return parametersMap;
     }
 
     public void setParameters(List<TermParameterBo> parameters) {
         this.parameters = parameters;
     }
 
     public void exportToParametersMap() {
         // merge in TermParameterBo values 
         if (parameters != null) {
             for (TermParameterBo param : parameters) {
                 parametersMap.put(param.getName(), param.getValue());
             }
         }
     }
 
     public void importFromParametersMap() {
         if (parameters == null) {
             parameters = new ArrayList<TermParameterBo>();
         } else {
             if (parametersMap == null || parametersMap.isEmpty()) {
                 for (TermParameterBo param : parameters) {
                     parametersMap.put(param.getName(), param.getValue());
                 }
             }
             parameters.clear();
         }
 
         for (Entry<String, String> paramEntry : parametersMap.entrySet()) {
             TermParameterDefinition termDef = TermParameterDefinition.Builder.create(null, id, paramEntry.getKey(),
                     paramEntry.getValue()).build();
             parameters.add(TermParameterBo.from(termDef));
         }
     }
 
     public String getDescription() {
         return description;
     }
 
     public void setDescription(String description) {
         this.description = description;
     }
 
     public String getSpecificationId() {
         return specificationId;
     }
 
     public void setSpecificationId(String specificationId) {
         this.specificationId = specificationId;
     }
 
     public String getId() {
         return id;
     }
 
     public void setId(String id) {
         this.id = id;
     }
 
     public Long getVersionNumber() {
         return versionNumber;
     }
 
     public void setVersionNumber(Long versionNumber) {
         this.versionNumber = versionNumber;
     }
 }