/**
    * 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.apache.commons.lang.StringUtils;
  import org.kuali.rice.core.api.mo.common.Versioned;
  import org.kuali.rice.krad.data.jpa.PortableSequenceGenerator;
  import org.kuali.rice.krms.api.repository.action.ActionDefinition;
  import org.kuali.rice.krms.api.repository.action.ActionDefinitionContract;
  import org.kuali.rice.krms.api.repository.type.KrmsAttributeDefinition;
  
  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.Version;
  import java.io.Serializable;
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  /**
   * The Action Business Object is the Action mutable class.
   *
   * @author Kuali Rice Team (rice.collab@kuali.org)
   * @see ActionDefinition
   * @see ActionDefinitionContract
   * @see org.kuali.rice.krms.framework.engine.Action
   */
  @Entity
  @Table(name = "KRMS_ACTN_T")
  public class ActionBo implements ActionDefinitionContract, Versioned, Serializable {
  
      private static final long serialVersionUID = 1l;
  
      @PortableSequenceGenerator(name = "KRMS_ACTN_S")
      @GeneratedValue(generator = "KRMS_ACTN_S")
      @Id
      @Column(name = "ACTN_ID")
      private String id;
  
      @Column(name = "NMSPC_CD")
      private String namespace;
  
      @Column(name = "NM")
      private String name;
  
      @Column(name = "DESC_TXT")
      private String description;
  
      @Column(name = "TYP_ID")
      private String typeId;
  
      @ManyToOne()
      @JoinColumn(name = "RULE_ID")
      private RuleBo rule;
  
      @Column(name = "SEQ_NO")
      private Integer sequenceNumber;
  
      @Column(name = "VER_NBR")
      @Version
      private Long versionNumber;
  
      @OneToMany(orphanRemoval = true, mappedBy = "action",
              cascade = { CascadeType.MERGE, CascadeType.REMOVE, CascadeType.PERSIST })
      private List<ActionAttributeBo> attributeBos;
  
      @Override
      public Map<String, String> getAttributes() {
          HashMap<String, String> attributes = new HashMap<String, String>();
          if (attributeBos != null) for (ActionAttributeBo attr : attributeBos) {
              if (attr.getAttributeDefinition() == null) {
                  attributes.put("", "");
              } else {
                  attributes.put(attr.getAttributeDefinition().getName(), attr.getValue());
              }
          }
          return attributes;
      }
 
     /**
      * Set the Action Attributes
      *
      * @param attributes to add to this Action
      */
     public void setAttributes(Map<String, String> attributes) {
         this.attributeBos = new ArrayList<ActionAttributeBo>();
         if (!StringUtils.isBlank(this.typeId)) {
             List<KrmsAttributeDefinition> attributeDefinitions = KrmsRepositoryServiceLocator.getKrmsAttributeDefinitionService().findAttributeDefinitionsByType(this.getTypeId());
             Map<String, KrmsAttributeDefinition> attributeDefinitionsByName = new HashMap<String, KrmsAttributeDefinition>();
 
             if (attributeDefinitions != null) {
                 for (KrmsAttributeDefinition attributeDefinition : attributeDefinitions) {
                     attributeDefinitionsByName.put(attributeDefinition.getName(), attributeDefinition);
                 }
             }
 
             for (Map.Entry<String, String> attr : attributes.entrySet()) {
                 KrmsAttributeDefinition attributeDefinition = attributeDefinitionsByName.get(attr.getKey());
 
                 if (attributeDefinition != null) {
                     ActionAttributeBo attributeBo = new ActionAttributeBo();
                     attributeBo.setAction(this);
                     attributeBo.setValue(attr.getValue());
                     attributeBo.setAttributeDefinition(KrmsAttributeDefinitionBo.from(attributeDefinition));
                     attributeBos.add(attributeBo);
                 }
             }
         }
     }
 
     /**
      * Converts a mutable bo to it's immutable counterpart
      *
      * @param bo the mutable business object
      * @return the immutable object
      */
     public static ActionDefinition to(ActionBo bo) {
         if (bo == null) {
             return null;
         }
 
         return ActionDefinition.Builder.create(bo).build();
     }
 
     /**
      * Converts a immutable object to it's mutable bo counterpart
      *
      * @param im immutable object
      * @return the mutable bo
      */
     public static ActionBo from(ActionDefinition im) {
         if (im == null) {
             return null;
         }
 
         ActionBo bo = new ActionBo();
         bo.id = im.getId();
         bo.namespace = im.getNamespace();
         bo.name = im.getName();
         bo.typeId = im.getTypeId();
         bo.description = im.getDescription();
 
         // we don't set the rule because we only have the ruleId in the ActionDefinition.  If you need the RuleBo as
         // well, use RuleBo.from to convert the RuleDefinition and all it's children as well.
 
         bo.sequenceNumber = im.getSequenceNumber();
         bo.setVersionNumber(im.getVersionNumber());
 
         // build the list of action attribute BOs
         List<ActionAttributeBo> attrs = new ArrayList<ActionAttributeBo>();
 
         // for each converted pair, build an ActionAttributeBo and add it to the set
         for (Map.Entry<String, String> entry : im.getAttributes().entrySet()) {
             KrmsAttributeDefinitionBo attrDefBo = KrmsRepositoryServiceLocator.getKrmsAttributeDefinitionService().getKrmsAttributeBo(entry.getKey(), im.getNamespace());
             ActionAttributeBo attributeBo = new ActionAttributeBo();
             attributeBo.setAction(bo);
             attributeBo.setValue(entry.getValue());
             attributeBo.setAttributeDefinition(attrDefBo);
             attrs.add(attributeBo);
         }
 
         bo.setAttributeBos(attrs);
 
         return bo;
     }
 
     public String getId() {
         return id;
     }
 
     public void setId(String id) {
         this.id = id;
     }
 
     public String getNamespace() {
         return namespace;
     }
 
     public void setNamespace(String namespace) {
         this.namespace = namespace;
     }
 
     public String getName() {
         return name;
     }
 
     public void setName(String name) {
         this.name = name;
     }
 
     public String getDescription() {
         return description;
     }
 
     public void setDescription(String description) {
         this.description = description;
     }
 
     public String getTypeId() {
         return typeId;
     }
 
     public void setTypeId(String typeId) {
         this.typeId = typeId;
     }
 
     public String getRuleId() {
         if (rule != null) {
             return rule.getId();
         }
 
         return null;
     }
 
     public RuleBo getRule() {
         return rule;
     }
 
     public void setRule(RuleBo rule) {
         this.rule = rule;
     }
 
     public Integer getSequenceNumber() {
         return sequenceNumber;
     }
 
     public void setSequenceNumber(Integer sequenceNumber) {
         this.sequenceNumber = sequenceNumber;
     }
 
     public Long getVersionNumber() {
         return versionNumber;
     }
 
     public void setVersionNumber(Long versionNumber) {
         this.versionNumber = versionNumber;
     }
 
     public List<ActionAttributeBo> getAttributeBos() {
         return attributeBos;
     }
 
     public void setAttributeBos(List<ActionAttributeBo> attributeBos) {
         this.attributeBos = attributeBos;
     }
 }