/**
    * 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.krms.impl.repository;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.rice.core.api.uif.RemotableAttributeField;
  import org.kuali.rice.kns.inquiry.KualiInquirableImpl;
  import org.kuali.rice.krad.uif.container.Container;
  import org.kuali.rice.krad.uif.view.View;
  import org.kuali.rice.krad.web.form.InquiryForm;
  import org.kuali.rice.krms.api.repository.type.KrmsTypeDefinition;
  import org.kuali.rice.krms.framework.type.ActionTypeService;
  import org.kuali.rice.krms.framework.type.AgendaTypeService;
  import org.kuali.rice.krms.framework.type.RuleTypeService;
  import org.kuali.rice.krms.impl.type.ActionTypeServiceBase;
  import org.kuali.rice.krms.impl.type.AgendaTypeServiceBase;
  import org.kuali.rice.krms.impl.type.RuleTypeServiceBase;
  import org.kuali.rice.krms.impl.ui.AgendaEditor;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Map;
  
  public class AgendaInquiryHelperServiceImpl extends KualiInquirableImpl {
  
      @Override
      public AgendaEditor retrieveDataObject(Map fieldValues) {
          AgendaEditor agendaEditor = null;
  
          String agendaId = (String) fieldValues.get("id");
          AgendaBo agenda = getBusinessObjectService().findBySinglePrimaryKey(AgendaBo.class, agendaId);
          if (agenda != null) {
              agendaEditor = new AgendaEditor();
              agendaEditor.setAgenda(agenda);
              agendaEditor.setNamespace(agenda.getContext().getNamespace());
              agendaEditor.setContextName(agenda.getContext().getName());
              agendaEditor.setCustomAttributesMap(agenda.getAttributes());
          }
  
          return agendaEditor;
      }
  
      public List<RemotableAttributeField> retrieveCustomAttributes(View view, Object model, Container container) {
          List<RemotableAttributeField> results = new ArrayList<RemotableAttributeField>();
  
          InquiryForm inquiryForm = (InquiryForm)model;
          AgendaEditor agendaEditor = (AgendaEditor)inquiryForm.getDataObject();
  
          // if we have an agenda w/ a typeId set on it
          if (agendaEditor.getAgenda() != null && !StringUtils.isBlank(agendaEditor.getAgenda().getTypeId())) {
  
              String krmsTypeId = agendaEditor.getAgenda().getTypeId();
  
              AgendaTypeService agendaTypeService = getAgendaTypeService(krmsTypeId);
              results.addAll(agendaTypeService.getAttributeFields(krmsTypeId));
          }
  
          return results;
      }
  
      private AgendaTypeService getAgendaTypeService(String krmsTypeId) {
          //
          // Get the AgendaTypeService by hook or by crook
          //
  
          KrmsTypeDefinition krmsType =
                      KrmsRepositoryServiceLocator.getKrmsTypeRepositoryService().
                              getTypeById(krmsTypeId);
  
          AgendaTypeService agendaTypeService = null;
  
          if (!StringUtils.isBlank(krmsTypeId)) {
              String serviceName = krmsType.getServiceName();
  
              if (!StringUtils.isBlank(serviceName)) {
                  agendaTypeService = KrmsRepositoryServiceLocator.getService(serviceName);
              }
          }
  
          if (agendaTypeService == null) { agendaTypeService = AgendaTypeServiceBase.defaultAgendaTypeService; }
  
          return agendaTypeService;
      }
  
      /**
       *  This only supports a single action within a rule.
      */
     public List<RemotableAttributeField> retrieveRuleActionCustomAttributes(View view, Object model, Container container) {
         List<RemotableAttributeField> results = new ArrayList<RemotableAttributeField>();
 
         InquiryForm inquiryForm = (InquiryForm)model;
         AgendaEditor agendaEditor = (AgendaEditor)inquiryForm.getDataObject();
 
         // if we have an rule action w/ a typeId set on it
         if (!StringUtils.isBlank(agendaEditor.getAgendaItemLineRuleAction().getTypeId())) {
             ActionTypeService actionTypeService = getActionTypeService(agendaEditor.getAgendaItemLineRuleAction().getTypeId());
             results.addAll(actionTypeService.getAttributeFields(agendaEditor.getAgendaItemLineRuleAction().getTypeId()));
         }
 
         return results;
     }
 
     public List<RemotableAttributeField> retrieveRuleCustomAttributes(View view, Object model, Container container) {
         List<RemotableAttributeField> results = new ArrayList<RemotableAttributeField>();
 
         InquiryForm inquiryForm = (InquiryForm)model;
         AgendaEditor agendaEditor = (AgendaEditor)inquiryForm.getDataObject();
 
         // if we have an rule w/ a typeId set on it
         if (agendaEditor.getAgendaItemLine() != null && agendaEditor.getAgendaItemLine().getRule() != null
                 && !StringUtils.isBlank(agendaEditor.getAgendaItemLine().getRule().getTypeId())) {
 
             String krmsTypeId = agendaEditor.getAgendaItemLine().getRule().getTypeId();
 
             RuleTypeService ruleTypeService = getRuleTypeService(krmsTypeId);
             results.addAll(ruleTypeService.getAttributeFields(krmsTypeId));
         }
 
         return results;
     }
 
     private ActionTypeService getActionTypeService(String krmsTypeId) {
         //
         // Get the ActionTypeService by hook or by crook
         //
 
         KrmsTypeDefinition krmsType =
                     KrmsRepositoryServiceLocator.getKrmsTypeRepositoryService().
                             getTypeById(krmsTypeId);
 
         ActionTypeService actionTypeService = null;
 
         if (!StringUtils.isBlank(krmsTypeId)) {
             String serviceName = krmsType.getServiceName();
 
             if (!StringUtils.isBlank(serviceName)) {
                 actionTypeService = KrmsRepositoryServiceLocator.getService(serviceName);
             }
         }
         if (actionTypeService == null) {
             actionTypeService = ActionTypeServiceBase.defaultActionTypeService;
         }
 
 //        if (actionTypeService == null) { actionTypeService = AgendaTypeServiceBase.defaultAgendaTypeService; }
 
         return actionTypeService;
     }
 
     private RuleTypeService getRuleTypeService(String krmsTypeId) {
         RuleTypeService ruleTypeService = null;
         String serviceName = getRuleTypeServiceName(krmsTypeId);
 
         if (!StringUtils.isBlank(serviceName)) {
             ruleTypeService = KrmsRepositoryServiceLocator.getService(serviceName);
         }
         if (ruleTypeService == null) {
             ruleTypeService = RuleTypeServiceBase.defaultRuleTypeService;
         }
         return ruleTypeService;
     }
 
     private String getRuleTypeServiceName(String krmsTypeId) {
         String serviceName = null;
         KrmsTypeDefinition krmsType =
                 KrmsRepositoryServiceLocator.getKrmsTypeRepositoryService().
                         getTypeById(krmsTypeId);
 
         if (!StringUtils.isBlank(krmsTypeId)) {
             serviceName = krmsType.getServiceName();
         }
         return serviceName;
     }
 
 }