/**
    * Copyright 2005-2013 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.krad.uif.control;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.rice.kim.api.group.Group;
  import org.kuali.rice.kim.api.services.KimApiServiceLocator;
  import org.kuali.rice.krad.datadictionary.parse.BeanTag;
  import org.kuali.rice.krad.datadictionary.parse.BeanTagAttribute;
  import org.kuali.rice.krad.uif.view.View;
  import org.kuali.rice.krad.uif.component.Component;
  import org.kuali.rice.krad.uif.field.InputField;
  
  import java.util.HashMap;
  import java.util.Map;
  
  /**
   * Represents a group control, which is a special control to handle
   * the input of a KIM Group by group name
   *
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  @BeanTag(name = "kimGroupControl-bean", parent = "Uif-KimGroupControl")
  public class GroupControl extends TextControl implements FilterableLookupCriteriaControl {
      private static final long serialVersionUID = 5598459655735440981L;
  
      private String namespaceCodePropertyName;
      private String groupIdPropertyName;
  
      public GroupControl() {
          super();
      }
  
      @Override
      public void performApplyModel(View view, Object model, Component parent) {
          super.performApplyModel(view, model, parent);
  
          if (!(parent instanceof InputField)) {
              return;
          }
  
          InputField field = (InputField) parent;
  
          if (StringUtils.isNotBlank(groupIdPropertyName)) {
              field.getAdditionalHiddenPropertyNames().add(groupIdPropertyName);
          }
  
          if (StringUtils.isBlank(field.getQuickfinder().getDataObjectClassName())) {
              field.getQuickfinder().setDataObjectClassName("org.kuali.rice.kim.impl.group.GroupBo");
          }
  
          if (field.getQuickfinder().getFieldConversions().isEmpty()) {
              if (StringUtils.isNotBlank(groupIdPropertyName)) {
                  field.getQuickfinder().getFieldConversions().put("id", groupIdPropertyName);
              }
  
              field.getQuickfinder().getFieldConversions().put("name", field.getPropertyName());
  
              if (StringUtils.isNotBlank(namespaceCodePropertyName)) {
                  field.getQuickfinder().getFieldConversions().put("namespaceCode", namespaceCodePropertyName);
              }
          }
  
          if (field.getQuickfinder().getLookupParameters().isEmpty()) {
              if (StringUtils.isNotBlank(namespaceCodePropertyName)) {
                  field.getQuickfinder().getLookupParameters().put(namespaceCodePropertyName, "namespaceCode");
              }
          }
      }
  
      /**
       * The name of the property on the parent object that holds the group namespace
       *
       * @return String namespaceCodePropertyName
       */
      @BeanTagAttribute(name="namespaceCodePropertyName")
      public String getNamespaceCodePropertyName() {
          return namespaceCodePropertyName;
      }
  
      /**
       * Setter for the name of the property on the parent object that holds the group namespace
       *
       * @param namespaceCodePropertyName
       */
      public void setNamespaceCodePropertyName(String namespaceCodePropertyName) {
         this.namespaceCodePropertyName = namespaceCodePropertyName;
     }
 
     /**
      * The name of the property on the parent object that holds the group id
      *
      * @return String groupIdPropertyName
      */
     @BeanTagAttribute(name="groupIdPropertyName")
     public String getGroupIdPropertyName() {
         return groupIdPropertyName;
     }
 
     /**
      * Setter for the name of the property on the parent object that holds the group id
      *
      * @param groupIdPropertyName
      */
     public void setGroupIdPropertyName(String groupIdPropertyName) {
         this.groupIdPropertyName = groupIdPropertyName;
     }
 
     /**
      * @see FilterableLookupCriteriaControl#filterSearchCriteria(String, java.util.Map)
      */
     @Override
     public Map<String, String> filterSearchCriteria(String propertyName, Map<String, String> searchCriteria) {
         Map<String, String> filteredSearchCriteria = new HashMap<String, String>(searchCriteria);
 
         // check valid groupId
         // ToDo: move the groupId check and setting to the validation stage.  At that point
         //       an error should be displayed to the user that the group name and namespace is invalid.
         String groupName = searchCriteria.get(propertyName);
         String groupNamespaceCd = searchCriteria.get(namespaceCodePropertyName);
         if (StringUtils.isNotBlank(groupName) && StringUtils.isNotBlank(groupNamespaceCd)) {
             Group group = KimApiServiceLocator.getGroupService().getGroupByNamespaceCodeAndName(groupNamespaceCd,groupName);
             if( group == null) {
                 return null;
             } else {
                 filteredSearchCriteria.put(groupIdPropertyName, group.getId());
             }
         }
 
         // filter
         filteredSearchCriteria.remove(propertyName);
         filteredSearchCriteria.remove(namespaceCodePropertyName);
 
         return filteredSearchCriteria;
     }
 }