/**
    * Copyright 2005-2015 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.group;
  
  import org.joda.time.DateTime;
  import org.kuali.rice.kim.api.KimConstants;
  import org.kuali.rice.kim.api.group.Group;
  import org.kuali.rice.kim.api.identity.Person;
  import org.kuali.rice.kim.api.services.KimApiServiceLocator;
  import org.kuali.rice.kim.impl.common.attribute.KimAttributeDataBo;
  import org.kuali.rice.krad.data.jpa.PortableSequenceGenerator;
  
  import javax.persistence.Cacheable;
  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.OneToMany;
  import javax.persistence.Table;
  import javax.persistence.Transient;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Map;
  
  @Cacheable(false)
  @Entity
  @Table(name = "KRIM_GRP_T")
  public class GroupBo extends GroupBase {
  
      private static final long serialVersionUID = 1L;
  
      @PortableSequenceGenerator(name = "KRIM_GRP_ID_S")
      @GeneratedValue(generator = "KRIM_GRP_ID_S")
      @Id
      @Column(name = "GRP_ID")
      private String id;
  
      @OneToMany(targetEntity = GroupMemberBo.class, orphanRemoval = true, cascade = { CascadeType.REFRESH, CascadeType.REMOVE, CascadeType.PERSIST })
      @JoinColumn(name = "GRP_ID", referencedColumnName = "GRP_ID", insertable = false, updatable = false)
      private List<GroupMemberBo> members;
  
      @OneToMany(targetEntity = GroupAttributeBo.class, orphanRemoval = true, cascade = { CascadeType.REFRESH, CascadeType.REMOVE, CascadeType.PERSIST })
      @JoinColumn(name = "GRP_ID", referencedColumnName = "GRP_ID" )
      private List<GroupAttributeBo> attributeDetails;
  
      @Transient
      private List<Person> memberPersons;
  
      @Transient
      private List<Group> memberGroups;
  
      @Override
      public Map<String, String> getAttributes() {
          return attributeDetails != null ? KimAttributeDataBo.toAttributes(attributeDetails) : attributes;
      }
  
      @Override
      public String getId() {
          return id;
      }
  
      public void setId(String id) {
          this.id = id;
      }
  
      public List<GroupMemberBo> getMembers() {
          return members;
      }
  
      public void setMembers(List<GroupMemberBo> members) {
          this.members = members;
      }
  
      public List<GroupAttributeBo> getAttributeDetails() {
          return attributeDetails;
      }
  
      public void setAttributeDetails(List<GroupAttributeBo> attributeDetails) {
          this.attributeDetails = attributeDetails;
      }
  
      /**
       * Converts a mutable bo to its immutable counterpart
       * @param bo the mutable business object
      * @return the immutable object
      */
     public static Group to(GroupBo bo) {
         if (bo == null) {
             return null;
         }
         return Group.Builder.create(bo).build();
     }
 
     /**
      * Converts a immutable object to its mutable counterpart
      * @param im immutable object
      * @return the mutable bo
      */
     public static GroupBo from(Group im) {
         if (im == null) {
             return null;
         }
         GroupBo bo = new GroupBo();
         bo.setId(im.getId());
         bo.setNamespaceCode(im.getNamespaceCode());
         bo.setName(im.getName());
         bo.setDescription(im.getDescription());
         bo.setActive(im.isActive());
         bo.setKimTypeId(im.getKimTypeId());
         bo.setAttributes(im.getAttributes());
         bo.setVersionNumber(im.getVersionNumber());
         bo.setObjectId(im.getObjectId());
         return bo;
     }
 
     //helper function to get Attribute Value with specific id                      
     public String getGroupAttributeValueById(String attributeId) {
         for (GroupAttributeBo gad : getAttributeDetails()) {
             if (gad.getKimAttributeId().equals(attributeId.trim())) {
                 return gad.getAttributeValue();
             }
         }
         return null;
     }
 
     private void splitMembersToTypes() {
         memberPersons = new ArrayList<Person>();
         memberGroups = new ArrayList<Group>();
         if (getMembers() != null) {
             for (GroupMemberBo groupMember : getMembers()) {
                 if (groupMember.isActive(new DateTime())) {
                     if (KimConstants.KimGroupMemberTypes.PRINCIPAL_MEMBER_TYPE.equals(groupMember.getType())) {
                         Person tempPerson = KimApiServiceLocator.getPersonService().getPerson(groupMember.getMemberId());
                         if (tempPerson != null && tempPerson.isActive()) {
                             memberPersons.add(tempPerson);
                         }
                     } else if (KimConstants.KimGroupMemberTypes.GROUP_MEMBER_TYPE.equals(groupMember.getType())) {
                         Group tempGroup = KimApiServiceLocator.getGroupService().getGroup(groupMember.getMemberId());
                         if (tempGroup != null && tempGroup.isActive()) {
                             memberGroups.add(tempGroup);
                         }
                     }
                 }
             }
         }
     }
 
     public List<Person> getMemberPersons() {
         if (this.memberPersons == null) {
             splitMembersToTypes();
         }
         return this.memberPersons;
     }
 
     public void setMemberPersons(List<Person> memberPersons) {
         this.memberPersons = memberPersons;
     }
 
     public List<String> getMemberPrincipalIds() {
         List<String> principalIds = new ArrayList<String>();
         if (getMembers() != null) {
             for (GroupMemberBo groupMember : getMembers()) {
                 if (groupMember.isActive(new DateTime())) {
                     if (KimConstants.KimGroupMemberTypes.PRINCIPAL_MEMBER_TYPE.equals(groupMember.getType())) {
                         principalIds.add(groupMember.getMemberId());
                     }
                 }
             }
         }
         return principalIds;
     }
 
     public List<String> getMemberGroupIds() {
         List<String> principalIds = new ArrayList<String>();
         if (getMembers() != null) {
             for (GroupMemberBo groupMember : getMembers()) {
                 if (groupMember.isActive(new DateTime())) {
                     if (KimConstants.KimGroupMemberTypes.GROUP_MEMBER_TYPE.equals(groupMember.getType())) {
                         principalIds.add(groupMember.getMemberId());
                     }
                 }
             }
         }
         return principalIds;
     }
 
     public List<Group> getMemberGroups() {
         if (this.memberGroups == null) {
             splitMembersToTypes();
         }
         return this.memberGroups;
     }
 
     public void setMemberGroups(List<Group> memberGroups) {
         this.memberGroups = memberGroups;
     }
 }