/*

  * 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.inquiry;

 import org.apache.commons.beanutils.PropertyUtils;

 import org.kuali.rice.core.impl.namespace.NamespaceBo;

 import org.kuali.rice.kim.bo.impl.PermissionImpl;

 import org.kuali.rice.kim.bo.impl.RoleImpl;

 import org.kuali.rice.kim.bo.role.dto.KimRoleInfo;

 import org.kuali.rice.kim.bo.role.impl.KimPermissionImpl;

 import org.kuali.rice.kim.bo.role.impl.PermissionAttributeDataImpl;

 import org.kuali.rice.kim.bo.role.impl.RolePermissionImpl;

 import org.kuali.rice.kim.lookup.RoleLookupableHelperServiceImpl;

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

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

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

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

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

 import org.kuali.rice.kns.lookup.HtmlData;

 import org.kuali.rice.kns.lookup.HtmlData.AnchorHtmlData;

 import org.kuali.rice.kns.lookup.HtmlData.MultipleAnchorHtmlData;

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

 import org.kuali.rice.kns.util.ObjectUtils;

 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)

  *

  */

 public class PermissionInquirableImpl extends RoleMemberInquirableImpl {

         transient private static PermissionService permissionService;

     @Override

     public HtmlData getInquiryUrl(BusinessObject businessObject, String attributeName, boolean forceInquiry) {

             /*

              *  - permission detail values (attribute name and value separated by colon, commas between attributes)

                  *        - required role qualifiers (attribute name and value separated by colon, commas between attributes)

                  *        - list of roles assigned: role type, role namespace, role name

              */

                 if(NAME.equals(attributeName) || NAME_TO_DISPLAY.equals(attributeName)){

                         List<String> primaryKeys = new ArrayList<String>();

                         primaryKeys.add(KimConstants.PrimaryKeyConstants.PERMISSION_ID);

                         return getInquiryUrlForPrimaryKeys(PermissionImpl.class, businessObject, primaryKeys, null);

                 } else if(NAMESPACE_CODE.equals(attributeName) || TEMPLATE_NAMESPACE_CODE.equals(attributeName)){

                         List<String> primaryKeys = new ArrayList<String>();

                         primaryKeys.add("code");

                         NamespaceBo parameterNamespace = new NamespaceBo();

                         parameterNamespace.setCode((String)ObjectUtils.getPropertyValue(businessObject, attributeName));

                         return getInquiryUrlForPrimaryKeys(NamespaceBo.class, parameterNamespace, primaryKeys, null);

         } else if(DETAIL_OBJECTS.equals(attributeName)){

                 //return getAttributesInquiryUrl(businessObject, DETAIL_OBJECTS);

         } else if(ASSIGNED_TO_ROLES.equals(attributeName)){

                 return getAssignedRoleInquiryUrl(businessObject);

         }

         return super.getInquiryUrl(businessObject, attributeName, forceInquiry);

     }

     protected HtmlData getAttributesInquiryUrl(BusinessObject businessObject, String attributeName){

             List<PermissionAttributeDataImpl> permissionAttributeData = 

                     (List<PermissionAttributeDataImpl>)ObjectUtils.getPropertyValue(businessObject, attributeName);

             List<AnchorHtmlData> htmlData = new ArrayList<AnchorHtmlData>();

                 List<String> primaryKeys = new ArrayList<String>();

                 primaryKeys.add(ATTRIBUTE_DATA_ID);

             for(PermissionAttributeDataImpl permissionAttributeDataImpl: permissionAttributeData){

                     htmlData.add(getInquiryUrlForPrimaryKeys(PermissionAttributeDataImpl.class, permissionAttributeDataImpl, primaryKeys, 

                             getKimAttributeLabelFromDD(permissionAttributeDataImpl.getKimAttribute().getAttributeName())+

                             KimConstants.KimUIConstants.NAME_VALUE_SEPARATOR+

                             permissionAttributeDataImpl.getAttributeValue()));

             }

             return new MultipleAnchorHtmlData(htmlData);

     }

     protected HtmlData getAssignedRoleInquiryUrl(BusinessObject businessObject){

             PermissionImpl permission = (PermissionImpl)businessObject;

             List<RoleImpl> assignedToRoles = permission.getAssignedToRoles();

             List<AnchorHtmlData> htmlData = new ArrayList<AnchorHtmlData>();

                 List<String> primaryKeys = new ArrayList<String>();

                 primaryKeys.add(ROLE_ID);

                 if(assignedToRoles!=null && !assignedToRoles.isEmpty()){

                         RoleService roleService = KIMServiceLocator.getRoleService();

                         KimRoleInfo roleInfo;

                         AnchorHtmlData inquiryHtmlData;

                         for(RoleImpl roleImpl: assignedToRoles){

                                 roleInfo = roleService.getRole(roleImpl.getRoleId());

                                 inquiryHtmlData = getInquiryUrlForPrimaryKeys(RoleImpl.class, roleInfo, primaryKeys, 

                                         roleInfo.getNamespaceCode()+" "+

                                         roleInfo.getRoleName());

                                 inquiryHtmlData.setHref(RoleLookupableHelperServiceImpl.getCustomRoleInquiryHref(inquiryHtmlData.getHref()));

                                 inquiryHtmlData.setTarget(AnchorHtmlData.TARGET_BLANK);

                         htmlData.add(inquiryHtmlData);

                 }

                 }

             return new MultipleAnchorHtmlData(htmlData);

     }

         /**

          * This overridden method ...

          * 

          * @see org.kuali.rice.kns.inquiry.KualiInquirableImpl#getBusinessObject(java.util.Map)

          */

         @SuppressWarnings("unchecked")

         @Override

         public BusinessObject getBusinessObject(Map fieldValues) {

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

                 criteria.put("permissionId", fieldValues.get("permissionId").toString());

                 KimPermissionImpl permissionImpl = (KimPermissionImpl) KNSServiceLocator.getBusinessObjectService().findByPrimaryKey(KimPermissionImpl.class, criteria);

                 return getPermissionsSearchResultsCopy(permissionImpl);

         }

         public PermissionService getPermissionService() {

                 if (permissionService == null ) {

                         permissionService = KIMServiceLocator.getPermissionService();

                 }

                 return permissionService;

         }

         private PermissionImpl getPermissionsSearchResultsCopy(KimPermissionImpl permissionSearchResult){

                 PermissionImpl permissionSearchResultCopy = new PermissionImpl();

                 try{

                         PropertyUtils.copyProperties(permissionSearchResultCopy, permissionSearchResult);

                 } catch(Exception ex){

                         //TODO: remove this

                         ex.printStackTrace();

                 }

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

                 criteria.put("permissionId", permissionSearchResultCopy.getPermissionId());

                 List<RolePermissionImpl> rolePermissions = 

                         (List<RolePermissionImpl>) KNSServiceLocator.getBusinessObjectService().findMatching(RolePermissionImpl.class, criteria);

                 List<RoleImpl> assignedToRoles = new ArrayList<RoleImpl>();

                 for(RolePermissionImpl rolePermissionImpl: rolePermissions){

                         assignedToRoles.add(getRoleImpl(rolePermissionImpl.getRoleId()));

                 }

                 permissionSearchResultCopy.setAssignedToRoles(assignedToRoles);

                 return permissionSearchResultCopy;

         }

 }