/*

  * 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.permission

 import javax.persistence.CascadeType

 import javax.persistence.Column

 import javax.persistence.Entity

 import javax.persistence.FetchType

 import javax.persistence.Id

 import javax.persistence.JoinColumn

 import javax.persistence.OneToMany

 import javax.persistence.OneToOne

 import javax.persistence.Table

 import javax.persistence.Transient

 import org.hibernate.annotations.Fetch

 import org.hibernate.annotations.FetchMode

 import org.hibernate.annotations.Type

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

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

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

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

 import org.kuali.rice.kim.api.permission.Permission

 import org.kuali.rice.kim.api.permission.PermissionContract

 import org.kuali.rice.kim.impl.common.attribute.KimAttributeDataBo

 import org.kuali.rice.kim.impl.role.RolePermissionBo

 import org.kuali.rice.kim.util.KimConstants

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

 import org.kuali.rice.krad.service.DataDictionaryService;

 import org.kuali.rice.krad.service.KRADServiceLocatorWeb

 @Entity

 @Table(name = "KRIM_PERM_T")

 public class PermissionBo extends PersistableBusinessObjectBase implements PermissionContract {

     private static final long serialVersionUID = 1L;

     @Id

     @Column(name = "PERM_ID")

     String id

     @Column(name = "NMSPC_CD")

     String namespaceCode

     @Column(name = "NM")

     String name

     @Column(name = "DESC_TXT", length = 400)

     String description;

     @Column(name = "PERM_TMPL_ID")

     String templateId

     @Column(name = "ACTV_IND")

     @Type(type = "yes_no")

     boolean active

     @OneToOne(targetEntity = PermissionTemplateBo.class, cascade = [], fetch = FetchType.EAGER)

     @JoinColumn(name = "PERM_TMPL_ID", insertable = false, updatable = false)

     PermissionTemplateBo template;

     @OneToMany(targetEntity = PermissionAttributeBo.class, cascade = [CascadeType.ALL], fetch = FetchType.EAGER, mappedBy = "id")

     @Fetch(value = FetchMode.SELECT)

     List<PermissionAttributeBo> attributeDetails

     @Transient

     Map<String,String> attributes;

     @OneToMany(targetEntity = RolePermissionBo.class, cascade = [CascadeType.ALL], fetch = FetchType.EAGER, mappedBy = "id")

     @Fetch(value = FetchMode.SELECT)

     List<RolePermissionBo> rolePermissions

     Map<String,String> getAttributes() {

         return attributeDetails != null ? KimAttributeDataBo.toAttributes(attributeDetails) : attributes

     }

     //TODO: rename/fix later - only including this method and attributeDetails field for Role conversion

     Map<String,String> getDetails() {

         return attributeDetails != null ? KimAttributeDataBo.toAttributes(attributeDetails) : attributes

     }

     /**

      * Converts a mutable bo to its immutable counterpart

      * @param bo the mutable business object

      * @return the immutable object

      */

     static Permission to(PermissionBo bo) {

         if (bo == null) {

             return null

         }

         return Permission.Builder.create(bo).build();

     }

     /**

      * Converts a immutable object to its mutable counterpart

      * @param im immutable object

      * @return the mutable bo

      */

     static PermissionBo from(Permission im) {

         if (im == null) {

             return null

         }

         PermissionBo bo = new PermissionBo()

         bo.id = im.id

         bo.namespaceCode = im.namespaceCode

         bo.name = im.name

         bo.description = im.description

         bo.active = im.active

         bo.templateId = im.template.getId()

         bo.template = PermissionTemplateBo.from(im.template)

         bo.attributes = im.attributes

         bo.versionNumber = im.versionNumber

         bo.objectId = im.objectId;

         return bo

     }

     PermissionTemplateBo getTemplate() {

         return template;

     }

     public String getDetailObjectsValues() {

         StringBuffer detailObjectsToDisplay = new StringBuffer();

         Iterator<PermissionAttributeBo> permIter = attributeDetails.iterator();

         while (permIter.hasNext()) {

             PermissionAttributeBo permissionAttributeData = permIter.next();

             detailObjectsToDisplay.append(permissionAttributeData.getAttributeValue());

             if (permIter.hasNext()) {

                 detailObjectsToDisplay.append(KimConstants.KimUIConstants.COMMA_SEPARATOR);

             }

         }

         return detailObjectsToDisplay.toString();

     }

     String getDetailObjectsToDisplay() {

         final KimType kimType = getTypeInfoService().getKimType( getTemplate().getKimTypeId() );

         return attributeDetails.collect {

             getKimAttributeLabelFromDD(kimType.getAttributeDefinitionById(it.kimAttributeId)) + ":" + it.attributeValue

         }.join(",")

     }

     private String getKimAttributeLabelFromDD( KimTypeAttribute attribute ){

         return getDataDictionaryService().getAttributeLabel(attribute.getKimAttribute().getComponentName(), attribute.getKimAttribute().getAttributeName() );

     }

     private DataDictionaryService dataDictionaryService;

     private DataDictionaryService getDataDictionaryService() {

         if(dataDictionaryService == null){

             dataDictionaryService = KRADServiceLocatorWeb.getDataDictionaryService();

         }

         return dataDictionaryService;

     }

     private KimTypeInfoService kimTypeInfoService;

     private KimTypeInfoService getTypeInfoService() {

         if(kimTypeInfoService == null){

             kimTypeInfoService = KimApiServiceLocator.getKimTypeInfoService();

         }

         return kimTypeInfoService;

     }

 }