/**
    * 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.kim.document;
  
  import org.apache.log4j.Logger;
  import org.kuali.rice.kim.api.permission.Permission;
  import org.kuali.rice.kim.api.services.KimApiServiceLocator;
  import org.kuali.rice.kim.impl.permission.GenericPermissionBo;
  import org.kuali.rice.kim.impl.permission.PermissionBo;
  import org.kuali.rice.kim.impl.permission.PermissionTemplateBo;
  import org.kuali.rice.kim.impl.responsibility.ReviewResponsibilityBo;
  import org.kuali.rice.kns.maintenance.KualiMaintainableImpl;
  import org.kuali.rice.krad.bo.BusinessObject;
  import org.kuali.rice.krad.bo.PersistableBusinessObject;
  
  import java.util.HashMap;
  
  /**
   * This is a description of what this class does - jonathan don't forget to fill this in. 
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   *
   */
  public class GenericPermissionMaintainable extends KualiMaintainableImpl {
  
  	private static final Logger LOG = Logger.getLogger( GenericPermissionMaintainable.class );	
  	private static final long serialVersionUID = -8102504656976243468L;
  
  	/**
  	 * Saves the responsibility via the responsibility update service
  	 * 
  	 * @see org.kuali.rice.krad.maintenance.KualiMaintainableImpl#saveBusinessObject()
  	 */
  	@Override
  	public void saveBusinessObject() {
  		try {
  			if ( LOG.isInfoEnabled() ) {
  				LOG.info( "Attempting to save Permission BO via PermissionService: " + getBusinessObject() );
  			}
              GenericPermissionBo genericPermissionBo = (GenericPermissionBo)getBusinessObject();
              if (genericPermissionBo.getTemplateId() != null && genericPermissionBo.getTemplate() == null) {
                  genericPermissionBo.setTemplate(
                          PermissionTemplateBo.from(
                                  KimApiServiceLocator.getPermissionService().getPermissionTemplate(genericPermissionBo.getTemplateId())));
              }
  			PermissionBo perm = GenericPermissionBo.toPermissionBo(genericPermissionBo);
  			
  			KimApiServiceLocator.getPermissionService().createPermission(PermissionBo.to(perm));
  		} catch ( RuntimeException ex ) {
  			LOG.error( "Exception in saveBusinessObject()", ex );
  			throw ex;
  		}
  	}
  
      /**
       * @see org.kuali.rice.krad.maintenance.Maintainable#saveDataObject
       */
      @Override
      public void saveDataObject() {
          if (getDataObject() instanceof PersistableBusinessObject) {
              GenericPermissionBo genericPermissionBo = (GenericPermissionBo)getDataObject();
              boolean permissionExists = false;
              if (genericPermissionBo.getId() != null) {
                  permissionExists = KimApiServiceLocator.getPermissionService().getPermission(genericPermissionBo.getId()) != null;
              }
              if (genericPermissionBo.getTemplateId() != null && genericPermissionBo.getTemplate() == null) {
                  genericPermissionBo.setTemplate(
                          PermissionTemplateBo.from(
                                  KimApiServiceLocator.getPermissionService().getPermissionTemplate(genericPermissionBo.getTemplateId())));
              }
              PermissionBo perm = GenericPermissionBo.toPermissionBo(genericPermissionBo);
              if (permissionExists) {
                  KimApiServiceLocator.getPermissionService().updatePermission(PermissionBo.to(perm));
              } else {
                  KimApiServiceLocator.getPermissionService().createPermission(PermissionBo.to(perm));
              }
              //getBusinessObjectService().linkAndSave((PersistableBusinessObject) dataObject);
          } else {
              throw new RuntimeException(
                      "Cannot save object of type: " + getDataObjectClass() + " with permission service");
          }
      }
  	
  	/**
  	 * This overridden method ...
  	 * 
 	 * @see org.kuali.rice.krad.maintenance.KualiMaintainableImpl#getBoClass()
 	 */
 	@Override
 	public Class<? extends PersistableBusinessObject> getBoClass() {
 		return GenericPermissionBo.class;
 	}
 	
 	/**
 	 * This overridden method ...
 	 * 
 	 * @see org.kuali.rice.krad.maintenance.KualiMaintainableImpl#isExternalBusinessObject()
 	 */
 	@Override
 	public boolean isExternalBusinessObject() {
 		return true;
 	}
 	
 	/**
 	 * This overridden method ...
 	 * 
 	 * @see org.kuali.rice.krad.maintenance.KualiMaintainableImpl#prepareBusinessObject(org.kuali.rice.krad.bo.BusinessObject)
 	 */
 	@Override
 	public void prepareBusinessObject(BusinessObject businessObject) {
 		try {
 			if ( businessObject == null ) {
 				throw new RuntimeException( "Configuration ERROR: GenericPermissionMaintainable.prepareBusinessObject passed a null object." );
 			}
 			if ( businessObject instanceof PermissionBo ) {
 				PermissionBo perm = getBusinessObjectService().findBySinglePrimaryKey(PermissionBo.class, ((PermissionBo)businessObject).getId() );
 				businessObject = new GenericPermissionBo(perm);
 			} else if ( businessObject instanceof GenericPermissionBo ) {
 				// lookup the PermissionBo and convert to a GenericPermissionBo
 				PermissionBo perm = getBusinessObjectService().findBySinglePrimaryKey(PermissionBo.class, ((GenericPermissionBo)businessObject).getId() );
 				((GenericPermissionBo)businessObject).loadFromPermission(perm);
 			} else {
 				throw new RuntimeException( "Configuration ERROR: GenericPermissionMaintainable passed an unsupported object type: " + businessObject.getClass() );
 			}
 			if ( businessObject instanceof PersistableBusinessObject ) {
 				setBusinessObject( (PersistableBusinessObject)businessObject );
 			}
 			super.prepareBusinessObject(businessObject);
 		} catch ( RuntimeException ex ) {
 			LOG.error( "Exception in prepareBusinessObject()", ex );
 			throw ex;
 		}
 	}
 	
 }