/*

  * Copyright 2005-2007 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.rule;

 import org.apache.commons.lang.ObjectUtils;

 import org.apache.commons.lang.builder.HashCodeBuilder;

 import org.hibernate.annotations.GenericGenerator;

 import org.hibernate.annotations.Parameter;

 import org.kuali.rice.core.api.reflect.ObjectDefinition;

 import org.kuali.rice.core.api.resourceloader.GlobalResourceLoader;

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

 import org.kuali.rice.kew.exception.WorkflowException;

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

 import org.kuali.rice.kew.util.KEWConstants;

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

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

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

 import org.kuali.rice.kns.bo.PersistableBusinessObjectBase;

 import javax.persistence.*;

 import java.util.List;

 /**

  * A model bean representing the responsibility of a user, workgroup, or role

  * to perform some action on a document.  Used by the rule system to

  * identify the appropriate responsibile parties to generate

  * {@link ActionRequestValue}s to.

  *

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

  */

 @Entity

 @Table(name="KREW_RULE_RSP_T")

 //@Sequence(name="KREW_RSP_S", property="ruleResponsibilityKey")

 public class RuleResponsibility extends PersistableBusinessObjectBase {

         private static final long serialVersionUID = -1565688857123316797L;

         @Id

         @GeneratedValue(generator="KREW_RSP_S")

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

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

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

         })

         @Column(name="RULE_RSP_ID")

         private Long ruleResponsibilityKey;

     @Column(name="RSP_ID")

         private Long responsibilityId;

     @Column(name="RULE_ID", insertable=false, updatable=false)

     private Long ruleBaseValuesId;

     @Column(name="ACTN_RQST_CD")

         private String actionRequestedCd;

     @Column(name="NM")

         private String ruleResponsibilityName;

     @Column(name="TYP")

         private String ruleResponsibilityType;

     @Column(name="PRIO")

         private Integer priority;

     @Column(name="APPR_PLCY")

         private String approvePolicy;

     @ManyToOne(fetch=FetchType.EAGER)

         @JoinColumn(name="RULE_ID")

         private RuleBaseValues ruleBaseValues;

     //@OneToMany(fetch=FetchType.EAGER,cascade={CascadeType.PERSIST, CascadeType.REMOVE, CascadeType.MERGE},

     //        mappedBy="ruleResponsibility")

     //private List<RuleDelegation> delegationRules = new ArrayList<RuleDelegation>();

     public Principal getPrincipal()

     {

             if (isUsingWorkflowUser()) {

                     return KEWServiceLocator.getIdentityHelperService().getPrincipal(ruleResponsibilityName);

             }

             return null;

     }

     public Group getGroup() {

         if (isUsingGroup()) {

                 return KimApiServiceLocator.getIdentityManagementService().getGroup(ruleResponsibilityName);

         }

         return null;

     }

     public String getRole() {

         if (isUsingRole()) {

             return ruleResponsibilityName;

         }

         return null;

     }

     public String getResolvedRoleName() {

         if (isUsingRole()) {

             return getRole().substring(getRole().indexOf("!") + 1, getRole().length());

         }

         return null;

     }

     public String getRoleAttributeName() {

         return getRole().substring(0, getRole().indexOf("!"));

     }

     public RoleAttribute resolveRoleAttribute() throws WorkflowException {

         if (isUsingRole()) {

             String attributeName = getRoleAttributeName();

             return (RoleAttribute) GlobalResourceLoader.getResourceLoader().getObject(new ObjectDefinition(attributeName));

         }

         return null;

     }

     public boolean isUsingRole() {

             return (ruleResponsibilityName != null && ruleResponsibilityType != null && ruleResponsibilityType.equals(KEWConstants.RULE_RESPONSIBILITY_ROLE_ID));

     }

     public boolean isUsingWorkflowUser() {

             return (ruleResponsibilityName != null && !ruleResponsibilityName.trim().equals("") && ruleResponsibilityType != null && ruleResponsibilityType.equals(KEWConstants.RULE_RESPONSIBILITY_WORKFLOW_ID));

     }

     public boolean isUsingGroup() {

             return (ruleResponsibilityName != null && !ruleResponsibilityName.trim().equals("") && ruleResponsibilityType != null && ruleResponsibilityType.equals(KEWConstants.RULE_RESPONSIBILITY_GROUP_ID));

     }

     public Long getRuleBaseValuesId() {

         return ruleBaseValuesId;

     }

     public void setRuleBaseValuesId(Long ruleBaseValuesId) {

         this.ruleBaseValuesId = ruleBaseValuesId;

     }

     public RuleBaseValues getRuleBaseValues() {

         return ruleBaseValues;

     }

     public void setRuleBaseValues(RuleBaseValues ruleBaseValues) {

         this.ruleBaseValues = ruleBaseValues;

     }

     public String getActionRequestedCd() {

         return actionRequestedCd;

     }

     public void setActionRequestedCd(String actionRequestedCd) {

         this.actionRequestedCd = actionRequestedCd;

     }

     public Long getRuleResponsibilityKey() {

         return ruleResponsibilityKey;

     }

     public void setRuleResponsibilityKey(Long ruleResponsibilityId) {

         this.ruleResponsibilityKey = ruleResponsibilityId;

     }

     public Integer getPriority() {

         return priority;

     }

     public void setPriority(Integer priority) {

         this.priority = priority;

     }

     public String getApprovePolicy() {

         return approvePolicy;

     }

     public void setApprovePolicy(String approvePolicy) {

         this.approvePolicy = approvePolicy;

     }

     public Object copy(boolean preserveKeys) {

         RuleResponsibility ruleResponsibilityClone = new RuleResponsibility();

         ruleResponsibilityClone.setApprovePolicy(getApprovePolicy());

         if (actionRequestedCd != null) {

             ruleResponsibilityClone.setActionRequestedCd(actionRequestedCd);

         }

         if (ruleResponsibilityKey != null && preserveKeys) {

             ruleResponsibilityClone.setRuleResponsibilityKey(ruleResponsibilityKey);

         }

         if (responsibilityId != null) {

             ruleResponsibilityClone.setResponsibilityId(responsibilityId);

         }

         if (ruleResponsibilityName != null) {

             ruleResponsibilityClone.setRuleResponsibilityName(ruleResponsibilityName);

         }

         if (ruleResponsibilityType != null) {

             ruleResponsibilityClone.setRuleResponsibilityType(ruleResponsibilityType);

         }

         if (priority != null) {

             ruleResponsibilityClone.setPriority(priority);

         }

 //        if (delegationRules != null) {

 //            for (Iterator iter = delegationRules.iterator(); iter.hasNext();) {

 //                RuleDelegation delegation = (RuleDelegation) iter.next();

 //                RuleDelegation delegationClone = (RuleDelegation)delegation.copy(preserveKeys);

 //                delegationClone.setRuleResponsibility(ruleResponsibilityClone);

 //                ruleResponsibilityClone.getDelegationRules().add(delegationClone);

 //

 //            }

 //        }

         return ruleResponsibilityClone;

     }

     public String getRuleResponsibilityName() {

         return ruleResponsibilityName;

     }

     public void setRuleResponsibilityName(String ruleResponsibilityName) {

         this.ruleResponsibilityName = ruleResponsibilityName;

     }

     public String getRuleResponsibilityType() {

         return ruleResponsibilityType;

     }

     public void setRuleResponsibilityType(String ruleResponsibilityType) {

         this.ruleResponsibilityType = ruleResponsibilityType;

     }

     public Long getResponsibilityId() {

         return responsibilityId;

     }

     public void setResponsibilityId(Long responsibilityId) {

         this.responsibilityId = responsibilityId;

     }

     public List<RuleDelegation> getDelegationRules() {

             return KEWServiceLocator.getRuleDelegationService().findByResponsibilityId(getResponsibilityId());

     }

     public RuleDelegation getDelegationRule(int index) {

             return getDelegationRules().get(index);

     }

 //    public boolean isDelegating() {

 //        return !getDelegationRules().isEmpty();

 //    }

 //

 //    public List getDelegationRules() {

 //        return delegationRules;

 //    }

 //    public void setDelegationRules(List delegationRules) {

 //        this.delegationRules = delegationRules;

 //    }

 //

 //    public RuleDelegation getDelegationRule(int index) {

 //        while (getDelegationRules().size() <= index) {

 //            RuleDelegation ruleDelegation = new RuleDelegation();

 //            ruleDelegation.setRuleResponsibility(this);

 //            ruleDelegation.setDelegationRuleBaseValues(new RuleBaseValues());

 //            getDelegationRules().add(ruleDelegation);

 //        }

 //        return (RuleDelegation) getDelegationRules().get(index);

 //    }

     // convenience methods for the web-tier

     public String getActionRequestedDisplayValue() {

             return KEWConstants.ACTION_REQUEST_CODES.get(getActionRequestedCd());

     }

     public String getRuleResponsibilityTypeDisplayValue() {

             return KEWConstants.RULE_RESPONSIBILITY_TYPES.get(getRuleResponsibilityType());

     }

     public boolean equals(Object o) {

         if (o == null) return false;

         if (!(o instanceof RuleResponsibility)) return false;

         RuleResponsibility pred = (RuleResponsibility) o;

         return ObjectUtils.equals(ruleResponsibilityName, pred.getRuleResponsibilityName()) &&

                ObjectUtils.equals(actionRequestedCd, pred.getActionRequestedCd()) &&

                ObjectUtils.equals(priority, pred.getPriority()) &&

                ObjectUtils.equals(approvePolicy, pred.getApprovePolicy());

     }

     /**

          * @see java.lang.Object#hashCode()

          */

         @Override

         public int hashCode() {

                 return new HashCodeBuilder()

                 .append(this.actionRequestedCd)

                 .append(this.approvePolicy)

                 .append(this.priority)

                 .append(this.ruleResponsibilityName).toHashCode();

         }

 }