/**

  * Copyright 2005-2011 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.kew.actiontaken;

 import org.apache.commons.lang.StringUtils;

 import org.hibernate.annotations.Fetch;

 import org.hibernate.annotations.FetchMode;

 import org.hibernate.annotations.GenericGenerator;

 import org.hibernate.annotations.Parameter;

 import org.joda.time.DateTime;

 import org.kuali.rice.core.api.util.RiceConstants;

 import org.kuali.rice.core.framework.persistence.jpa.OrmUtils;

 import org.kuali.rice.kew.actionrequest.ActionRequestValue;

 import org.kuali.rice.kew.actionrequest.KimGroupRecipient;

 import org.kuali.rice.kew.actionrequest.KimPrincipalRecipient;

 import org.kuali.rice.kew.actionrequest.Recipient;

 import org.kuali.rice.kew.actionrequest.service.ActionRequestService;

 import org.kuali.rice.kew.api.action.ActionTaken;

 import org.kuali.rice.kew.api.action.ActionType;

 import org.kuali.rice.kew.api.util.CodeTranslator;

 import org.kuali.rice.kew.service.KEWServiceLocator;

 import org.kuali.rice.kew.api.KewApiConstants;

 import org.kuali.rice.kim.api.group.Group;

 import org.kuali.rice.kim.api.identity.principal.Principal;

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

 import javax.persistence.Column;

 import javax.persistence.Entity;

 import javax.persistence.FetchType;

 import javax.persistence.GeneratedValue;

 import javax.persistence.Id;

 import javax.persistence.OneToMany;

 import javax.persistence.Table;

 import javax.persistence.Transient;

 import javax.persistence.Version;

 import java.io.Serializable;

 import java.sql.Timestamp;

 import java.util.ArrayList;

 import java.util.Collection;

 /**

  * Model object mapped to ojb for representing actions taken on documents by

  * users.

  *

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

  */

 @Entity

 //@Sequence(name="KREW_ACTN_TKN_S", property="actionTakenId")

 @Table(name="KREW_ACTN_TKN_T")

 public class ActionTakenValue implements Serializable {

     /**

          *

          */

         private static final long serialVersionUID = -81505450567067594L;

         @Id

         @GeneratedValue(generator="KREW_ACTN_TKN_S")

         @GenericGenerator(name="KREW_ACTN_TKN_S",strategy="org.hibernate.id.enhanced.SequenceStyleGenerator",parameters={

                         @Parameter(name="sequence_name",value="KREW_ACTN_TKN_S"),

                         @Parameter(name="value_column",value="id")

         })

         @Column(name="ACTN_TKN_ID")

     private String actionTakenId;

     @Column(name="DOC_HDR_ID")//,insertable=false, updatable=false)

         private String documentId;

     @Column(name="ACTN_CD")

         private String actionTaken;

         @Column(name="ACTN_DT")

         private Timestamp actionDate;

     @Column(name="ANNOTN")

     private String annotation = "";

     @Column(name="DOC_VER_NBR")

         private Integer docVersion;

     @Version

         @Column(name="VER_NBR")

         private Integer lockVerNbr;

     @Column(name="PRNCPL_ID")

         private String principalId;

     @Column(name="DLGTR_PRNCPL_ID")

         private String delegatorPrincipalId;

     @Column(name="DLGTR_GRP_ID")

         private String delegatorGroupId;

     //@ManyToOne(fetch=FetchType.EAGER, cascade={CascadeType.PERSIST})

     //@JoinColumn(name="DOC_HDR_ID")

     //private DocumentRouteHeaderValue routeHeader;

     @OneToMany(fetch=FetchType.EAGER, mappedBy="actionTaken")

     @Fetch(value = FetchMode.SELECT)

         private Collection<ActionRequestValue> actionRequests;

     @Column(name="CUR_IND")

     private Boolean currentIndicator = Boolean.TRUE;

     @Transient

     private String actionDateString;

     public Principal getPrincipal() {

             return getPrincipalForId( principalId );

     }

         //@PrePersist

         public void beforeInsert(){

                 OrmUtils.populateAutoIncValue(this, KEWServiceLocator.getEntityManagerFactory().createEntityManager());                

         }

     public String getPrincipalDisplayName() {

             // TODO this stinks to have to have a dependency on UserSession here

             return KEWServiceLocator.getIdentityHelperService().getPerson(getPrincipalId()).getName();

     }

     public Principal getDelegatorPrincipal() {

             return getPrincipalForId(delegatorPrincipalId);

     }

     public Group getDelegatorGroup()

     {

             return KimApiServiceLocator.getGroupService()

                     .getGroup(String.valueOf(delegatorGroupId));

     }

     public void setDelegator(Recipient recipient) {

         if (recipient instanceof KimPrincipalRecipient) {

             setDelegatorPrincipalId(((KimPrincipalRecipient)recipient).getPrincipalId());

         } else if (recipient instanceof KimGroupRecipient) {

             setDelegatorGroupId(((KimGroupRecipient)recipient).getGroup().getId());

         } else {

             setDelegatorPrincipalId(null);

             setDelegatorGroupId(null);

         }

     }

     public boolean isForDelegator() {

         return getDelegatorPrincipalId() != null || getDelegatorGroupId() != null;

     }

     public String getDelegatorDisplayName() {

         if (! isForDelegator()) {

             return "";

         }

         if (getDelegatorPrincipalId() != null) {

                 // TODO this stinks to have to have a dependency on UserSession here

                 return KEWServiceLocator.getIdentityHelperService().getPerson(this.getDelegatorPrincipalId()).getName();

         } else {

             return getDelegatorGroup().getName();

       }

     }

     private Principal getPrincipalForId(String principalId) {

             Principal principal = null;

             if (!StringUtils.isBlank(principalId)) {

                     principal = KEWServiceLocator.getIdentityHelperService().getPrincipal(principalId);

             }

             return principal;

     }

     public String getActionTakenLabel() {

         return CodeTranslator.getActionTakenLabel(actionTaken);

     }

     public Collection<ActionRequestValue> getActionRequests() {

         if (actionRequests == null) {

             setActionRequests(new ArrayList<ActionRequestValue>());

         }

         return actionRequests;

     }

     public void setActionRequests(Collection<ActionRequestValue> actionRequests) {

         this.actionRequests = actionRequests;

     }

     //public DocumentRouteHeaderValue getRouteHeader() {

     //    return routeHeader;

     //}

     //public void setRouteHeader(DocumentRouteHeaderValue routeHeader) {

     //    this.routeHeader = routeHeader;

     //}

     public Timestamp getActionDate() {

         return actionDate;

     }

     public void setActionDate(Timestamp actionDate) {

         this.actionDate = actionDate;

     }

     public String getActionTaken() {

         return actionTaken;

     }

     public void setActionTaken(String actionTaken) {

         this.actionTaken = actionTaken;

     }

     public String getActionTakenId() {

         return actionTakenId;

     }

     public void setActionTakenId(String actionTakenId) {

         this.actionTakenId = actionTakenId;

     }

     public String getAnnotation() {

         return annotation;

     }

     public void setAnnotation(String annotation) {

         this.annotation = annotation;

     }

     public String getDelegatorPrincipalId() {

         return delegatorPrincipalId;

     }

     public void setDelegatorPrincipalId(String delegatorPrincipalId) {

         this.delegatorPrincipalId = delegatorPrincipalId;

     }

     public String getDelegatorGroupId() {

         return delegatorGroupId;

     }

     public void setDelegatorGroupId(String delegatorGroupId) {

         this.delegatorGroupId = delegatorGroupId;

     }

     public Integer getDocVersion() {

         return docVersion;

     }

     public void setDocVersion(Integer docVersion) {

         this.docVersion = docVersion;

     }

     public Integer getLockVerNbr() {

         return lockVerNbr;

     }

     public void setLockVerNbr(Integer lockVerNbr) {

         this.lockVerNbr = lockVerNbr;

     }

     public String getDocumentId() {

             return documentId;

     }

     public void setDocumentId(String documentId) {

         this.documentId = documentId;

     }

     public String getPrincipalId() {

             return principalId;

     }

     public void setPrincipalId(String principalId) {

             this.principalId = principalId;

     }

     public Boolean getCurrentIndicator() {

         return currentIndicator;

     }

     public void setCurrentIndicator(Boolean currentIndicator) {

         this.currentIndicator = currentIndicator;

     }

     public Collection getRootActionRequests() {

         return getActionRequestService().getRootRequests(getActionRequests());

     }

     private ActionRequestService getActionRequestService() {

         return (ActionRequestService) KEWServiceLocator.getService(KEWServiceLocator.ACTION_REQUEST_SRV);

     }

     public String getActionDateString() {

         if(actionDateString == null || actionDateString.trim().equals("")){

             return RiceConstants.getDefaultDateFormat().format(getActionDate());

         } else {

             return actionDateString;

         }

     }

     public void setActionDateString(String actionDateString) {

         this.actionDateString = actionDateString;

     }

     public boolean isApproval() {

             return KewApiConstants.ACTION_TAKEN_APPROVED_CD.equals(getActionTaken());

     }

     public boolean isCompletion() {

             return KewApiConstants.ACTION_TAKEN_COMPLETED_CD.equals(getActionTaken());

     }

     public static ActionTaken to(ActionTakenValue actionTakenBo) {

             if (actionTakenBo == null) {

                     return null;

             }

             ActionTaken.Builder builder = ActionTaken.Builder.create(actionTakenBo.getActionTakenId(),

                             actionTakenBo.getDocumentId(),

                             actionTakenBo.getPrincipalId(),

                             ActionType.fromCode(actionTakenBo.getActionTaken()));

         if (actionTakenBo.getActionDate() != null) {

                 builder.setActionDate(new DateTime(actionTakenBo.getActionDate().getTime()));

         }

             builder.setAnnotation(actionTakenBo.getAnnotation());

             builder.setCurrent(actionTakenBo.getCurrentIndicator().booleanValue());

             builder.setDelegatorGroupId(actionTakenBo.getDelegatorGroupId());

             builder.setDelegatorPrincipalId(actionTakenBo.getDelegatorPrincipalId());

             return builder.build();

     }

 }