/*

  * Copyright 2007-2009 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.document;

 import org.apache.commons.lang.StringUtils;

 import org.apache.log4j.Logger;

 import org.hibernate.annotations.Fetch;

 import org.hibernate.annotations.FetchMode;

 import org.hibernate.annotations.Type;

 import org.kuali.rice.core.api.mo.common.Attributes;

 import org.kuali.rice.core.util.AttributeSet;

 import org.kuali.rice.kew.dto.DocumentRouteStatusChangeDTO;

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

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

 import org.kuali.rice.kim.bo.types.dto.AttributeDefinitionMap;

 import org.kuali.rice.kim.bo.ui.GroupDocumentMember;

 import org.kuali.rice.kim.bo.ui.GroupDocumentQualifier;

 import org.kuali.rice.kim.service.KIMServiceLocatorInternal;

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

 import org.kuali.rice.kns.service.SequenceAccessorService;

 import org.springframework.util.AutoPopulatingList;

 import javax.persistence.AttributeOverride;

 import javax.persistence.AttributeOverrides;

 import javax.persistence.CascadeType;

 import javax.persistence.Column;

 import javax.persistence.Entity;

 import javax.persistence.FetchType;

 import javax.persistence.JoinColumn;

 import javax.persistence.OneToMany;

 import javax.persistence.Table;

 import javax.persistence.Transient;

 import java.util.ArrayList;

 import java.util.HashMap;

 import java.util.List;

 import java.util.Map;

 /**

  * This is a description of what this class does - bhargavp don't forget to fill this in.

  *

  * @author Kuali Rice Team (rice.collab@kuali.org)

  *

  */

 @Entity

 @AttributeOverrides({

         @AttributeOverride(name="documentNumber",column=@Column(name="FDOC_NBR"))

 })

 @Table(name="KRIM_GRP_DOCUMENT_T")

 public class IdentityManagementGroupDocument extends IdentityManagementTypeAttributeTransactionalDocument {

         private static final Logger LOG = Logger.getLogger(IdentityManagementGroupDocument.class);

         private static final long serialVersionUID = 1L;

         // principal data

         @Column(name="GRP_ID")

         protected String groupId;

         @Column(name="KIM_TYP_ID")

         protected String groupTypeId;

         @Transient

         protected String groupTypeName;

         @Column(name="GRP_NMSPC")

         protected String groupNamespace;

         @Column(name="GRP_NM")

         protected String groupName;

         @Column(name="GRP_DESC")

         protected String groupDescription;

         @Type(type="yes_no")

         @Column(name="ACTV_IND")

         protected boolean active = true;

         @Transient

         protected boolean editing;

         @OneToMany(targetEntity = GroupDocumentMember.class, fetch = FetchType.EAGER, cascade=CascadeType.ALL)

         @Fetch(value = FetchMode.SELECT)

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

         private List<GroupDocumentMember> members = new AutoPopulatingList(GroupDocumentMember.class);

         @OneToMany(targetEntity = GroupDocumentQualifier.class, fetch = FetchType.EAGER, cascade=CascadeType.ALL)

         @Fetch(value = FetchMode.SELECT)

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

         private List<GroupDocumentQualifier> qualifiers = new AutoPopulatingList(GroupDocumentQualifier.class);

         public IdentityManagementGroupDocument() {

         }

         /**

          * @return the active

          */

         public boolean isActive() {

                 return this.active;

         }

         /**

          * @param active the active to set

          */

         public void setActive(boolean active) {

                 this.active = active;

         }

         /**

          * @param groupId the groupId to set

          */

         public void setRoleId(String groupId) {

                 this.groupId = groupId;

         }

         /**

          * @param member the members to set

          */

         public void addMember(GroupDocumentMember member) {

                getMembers().add(member);

         }

         /**

          * @return the kimType

          */

         public KimType getKimType() {

                 return KimApiServiceLocator.getKimTypeInfoService().getKimType(getGroupTypeId());

         }

         public GroupDocumentMember getBlankMember() {

                 return new GroupDocumentMember();

         }

         /**

          * @see org.kuali.rice.kns.document.DocumentBase#doRouteStatusChange(org.kuali.rice.kew.dto.DocumentRouteStatusChangeDTO)

          */

         @Override

         public void doRouteStatusChange(DocumentRouteStatusChangeDTO statusChangeEvent) {

                 super.doRouteStatusChange(statusChangeEvent);

                 if (getDocumentHeader().getWorkflowDocument().stateIsProcessed()) {

                         KIMServiceLocatorInternal.getUiDocumentService().saveGroup(this);

                 }

         }

         @Override

         public void prepareForSave(){

                 String groupId;

                 if(StringUtils.isBlank(getGroupId())){

                         SequenceAccessorService sas = getSequenceAccessorService();

                         Long nextSeq = sas.getNextAvailableSequenceNumber(

                                         "KRIM_GRP_ID_S", this.getClass());

                         groupId = nextSeq.toString();

                         setGroupId(groupId);

                 } else{

                         groupId = getGroupId();

                 }

                 if(getMembers()!=null){

                         String groupMemberId;

                         for(GroupDocumentMember member: getMembers()){

                                 member.setGroupId(getGroupId());

                                 if(StringUtils.isBlank(member.getGroupMemberId())){

                                         SequenceAccessorService sas = getSequenceAccessorService();

                                         Long nextSeq = sas.getNextAvailableSequenceNumber(

                                                         "KRIM_GRP_MBR_ID_S", this.getClass());

                                         groupMemberId = nextSeq.toString();

                                         member.setGroupMemberId(groupMemberId);

                                 }

                                 if (StringUtils.isBlank(member.getDocumentNumber())) {

                                         member.setDocumentNumber(getDocumentNumber());

                                 }

                          }

                 }

                 int index = 0;

                 // this needs to be checked - are all qualifiers present?

                 if(getDefinitions()!=null){

                         for(String key : getDefinitions().keySet()) {

                                 if ( getQualifiers().size() > index ) {

                                         GroupDocumentQualifier qualifier = getQualifiers().get(index);

                                         qualifier.setKimAttrDefnId(getKimAttributeDefnId(getDefinitions().get(key)));

                                         qualifier.setKimTypId(getKimType().getId());

                                         qualifier.setGroupId(groupId);

                                 }

                                 index++;

                 }

                 }

         }

         public void initializeDocumentForNewGroup() {

                 if(StringUtils.isBlank(this.groupId)){

                         SequenceAccessorService sas = getSequenceAccessorService();

                         Long nextSeq = sas.getNextAvailableSequenceNumber(

                                         KimConstants.SequenceNames.KRIM_GROUP_ID_S, this.getClass());

                         this.groupId = nextSeq.toString();

                 }

                 if(StringUtils.isBlank(this.groupTypeId)) {

                         this.groupTypeId = "1";

                 }

         }

         public String getGroupId(){

 //                if(StringUtils.isBlank(this.groupId)){

 //                        initializeDocumentForNewGroup();

 //                }

                 return groupId;

         }

         /**

          * @param groupId the groupId to set

          */

         public void setGroupId(String groupId) {

                 this.groupId = groupId;

         }

         /**

          * @return the groupName

          */

         public String getGroupName() {

                 return this.groupName;

         }

         /**

          * @param groupName the groupName to set

          */

         public void setGroupName(String groupName) {

                 this.groupName = groupName;

         }

         public String getGroupDescription() {

                 return this.groupDescription;

         }

         public void setGroupDescription(String groupDescription) {

                 this.groupDescription = groupDescription;

         }

         /**

          * @return the groupNamespace

          */

         public String getGroupNamespace() {

                 return this.groupNamespace;

         }

         /**

          * @param groupNamespace the groupNamespace to set

          */

         public void setGroupNamespace(String groupNamespace) {

                 this.groupNamespace = groupNamespace;

         }

         /**

          * @return the groupTypeId

          */

         public String getGroupTypeId() {

                 return this.groupTypeId;

         }

         /**

          * @param groupTypeId the groupTypeId to set

          */

         public void setGroupTypeId(String groupTypeId) {

                 this.groupTypeId = groupTypeId;

         }

         /**

          * @return the groupTypeName

          */

         public String getGroupTypeName() {

                 return this.groupTypeName;

         }

         /**

          * @param groupTypeName the groupTypeName to set

          */

         public void setGroupTypeName(String groupTypeName) {

                 this.groupTypeName = groupTypeName;

         }

         /**

          * @return the members

          */

         public List<GroupDocumentMember> getMembers() {

                 return this.members;

         }

         /**

          * @param members the members to set

          */

         public void setMembers(List<GroupDocumentMember> members) {

                 this.members = members;

         }

         /**

          * @return the qualifiers

          */

         public List<GroupDocumentQualifier> getQualifiers() {

                 return this.qualifiers;

         }

         /**

          * @param qualifiers the qualifiers to set

          */

         public void setQualifiers(List<GroupDocumentQualifier> qualifiers) {

                 this.qualifiers = qualifiers;

         }

         public GroupDocumentQualifier getQualifier(String kimAttributeDefnId) {

                 for(GroupDocumentQualifier qualifier: qualifiers){

                         if(qualifier.getKimAttrDefnId().equals(kimAttributeDefnId))

                                 return qualifier;

                 }

                 return null;

         }

         public Attributes getQualifiersAsAttributes() {

         Map<String, String> attributes = new HashMap<String, String>();

                 for(GroupDocumentQualifier qualifier: qualifiers){

                         if ( qualifier.getKimAttribute() != null ) {

                                 attributes.put(qualifier.getKimAttribute().getAttributeName(), qualifier.getAttrVal());

                         } else {

                                 LOG.warn( "Unknown attribute ID on group: " + qualifier.getKimAttrDefnId() + " / value=" + qualifier.getAttrVal());

                                 attributes.put("Unknown Attribute ID: " + qualifier.getKimAttrDefnId(), qualifier.getAttrVal());

                         }

                 }

                 return Attributes.fromMap(attributes);

         }

         public void setDefinitions(AttributeDefinitionMap definitions) {

                 super.setDefinitions(definitions);

                 if(getQualifiers()==null || getQualifiers().size()<1){

                         GroupDocumentQualifier qualifier;

                         setQualifiers(new ArrayList<GroupDocumentQualifier>());

                         if(getDefinitions()!=null){

                                 for(String key : getDefinitions().keySet()) {

                                         qualifier = new GroupDocumentQualifier();

                                 qualifier.setKimAttrDefnId(getKimAttributeDefnId(getDefinitions().get(key)));

                                 getQualifiers().add(qualifier);

                         }

                         }

                 }

         }

         /**

          * @return the editing

          */

         public boolean isEditing() {

                 return this.editing;

         }

         /**

          * @param editing the editing to set

          */

         public void setEditing(boolean editing) {

                 this.editing = editing;

         }

         public void setKimType(KimType kimType) {

                 super.setKimType(kimType);

                 if (kimType != null){

                         setGroupTypeId(kimType.getId());

                         setGroupTypeName(kimType.getName());

                 }

         }

 }