/*
    * Copyright 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.ole.sys.businessobject.lookup;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  import java.util.regex.Pattern;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.ole.sys.OLEConstants;
  import org.kuali.ole.sys.batch.BatchJobStatus;
  import org.kuali.ole.sys.batch.service.SchedulerService;
  import org.kuali.ole.sys.context.SpringContext;
  import org.kuali.ole.sys.service.impl.OleModuleServiceImpl;
  import org.kuali.rice.core.api.config.property.ConfigurationService;
  import org.kuali.rice.coreservice.framework.parameter.ParameterService;
  import org.kuali.rice.kim.api.KimConstants;
  import org.kuali.rice.kim.api.services.IdentityManagementService;
  import org.kuali.rice.kns.document.authorization.BusinessObjectRestrictions;
  import org.kuali.rice.kns.lookup.HtmlData;
  import org.kuali.rice.kns.lookup.HtmlData.AnchorHtmlData;
  import org.kuali.rice.kns.lookup.KualiLookupableHelperServiceImpl;
  import org.kuali.rice.krad.bo.BusinessObject;
  import org.kuali.rice.krad.service.KualiModuleService;
  import org.kuali.rice.krad.util.GlobalVariables;
  import org.kuali.rice.krad.util.KRADConstants;
  import org.kuali.rice.krad.util.UrlFactory;
  
  public class BatchJobStatusLookupableHelperServiceImpl extends KualiLookupableHelperServiceImpl {
  
      private static final org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(BatchJobStatusLookupableHelperServiceImpl.class);
  
      private SchedulerService schedulerService;
      private ConfigurationService configurationService;
      private ParameterService parameterService;
      private KualiModuleService kualiModuleService;
      private IdentityManagementService identityManagementService;
  
      @Override
      public List<? extends BusinessObject> getSearchResults(Map<String, String> fieldValues) {
          super.setBackLocation(fieldValues.get(OLEConstants.BACK_LOCATION));
          super.setDocFormKey(fieldValues.get(OLEConstants.DOC_FORM_KEY));
          List<BatchJobStatus> allJobs = schedulerService.getJobs();
          List<BatchJobStatus> jobs = new ArrayList<BatchJobStatus>();
  
          String namespaceCode = fieldValues.get("namespaceCode");
          String nameValue = fieldValues.get("name");
          Pattern namePattern = null;
          if (!StringUtils.isEmpty(nameValue)) {
              namePattern = Pattern.compile(nameValue.replace("*", ".*"), Pattern.CASE_INSENSITIVE);
          }
          String schedulerGroup = fieldValues.get("group");
          String jobStatus = fieldValues.get("status");
          for (BatchJobStatus job : allJobs) {
              if (!StringUtils.isEmpty(namespaceCode) &&
                      (!namespaceCode.equalsIgnoreCase(job.getNamespaceCode()) && job.getNamespaceCode()!=null)) {
                  continue;
              }
              if (namePattern != null && !namePattern.matcher(job.getName()).matches()) {
                  continue; // match failed, skip this entry
              }
              if (!StringUtils.isEmpty(schedulerGroup) && !schedulerGroup.equalsIgnoreCase(job.getGroup())) {
                  continue;
              }
              if (!StringUtils.isEmpty(jobStatus) && !jobStatus.equalsIgnoreCase(job.getStatus())) {
                  continue;
              }
              jobs.add(job);
          }
  
          return jobs;
      }
  
      public boolean doesModuleServiceHaveJobStatus(BatchJobStatus job){
          if(job!=null) {
              OleModuleServiceImpl moduleService = (OleModuleServiceImpl)getKualiModuleService().getResponsibleModuleServiceForJob(job.getName());
              //This means this job is externalized and we do not want to show any action urls for it.
              return (moduleService!=null && moduleService.isExternalJob(job.getName()));
          }
          return false;
      }
  
      /***
       * @see org.kuali.rice.kns.lookup.AbstractLookupableHelperServiceImpl#getCustomActionUrls(org.kuali.rice.krad.bo.BusinessObject, java.util.List)
      */
     @Override
     public List<HtmlData> getCustomActionUrls(BusinessObject businessObject, List pkNames) {
         if (businessObject instanceof BatchJobStatus) {
             BatchJobStatus job = (BatchJobStatus) businessObject;
             if(doesModuleServiceHaveJobStatus(job)) {
                 return getEmptyActionUrls();
             }
             String linkText = "Modify";
             Map<String,String> permissionDetails = new HashMap<String,String>(1);
             permissionDetails.put(KimConstants.AttributeConstants.NAMESPACE_CODE, job.getNamespaceCode() );
 
             if ( !SpringContext.getBean(IdentityManagementService.class).hasPermissionByTemplateName(
                     GlobalVariables.getUserSession().getPerson().getPrincipalId(),
                     KRADConstants.KNS_NAMESPACE,
                     OLEConstants.PermissionTemplate.MODIFY_BATCH_JOB.name,
                     permissionDetails ) ) {
                 linkText = "View";
             }
             String href = configurationService.getPropertyValueAsString(OLEConstants.APPLICATION_URL_KEY) + "/batchModify.do?methodToCall=start&name="+(UrlFactory.encode(job.getName()))+("&group=")+(UrlFactory.encode(job.getGroup()));
             List<HtmlData> anchorHtmlDataList = new ArrayList<HtmlData>();
             AnchorHtmlData anchorHtmlData = new AnchorHtmlData(href, OLEConstants.START_METHOD, linkText);
             anchorHtmlDataList.add(anchorHtmlData);
             return anchorHtmlDataList;
         }
         return getEmptyActionUrls();
     }
 
     /***
      * @see org.kuali.rice.kns.lookup.AbstractLookupableHelperServiceImpl#getActionUrlTitleText(org.kuali.rice.krad.bo.BusinessObject, java.lang.String, java.util.List)
      */
     @Override
     protected String getActionUrlTitleText(BusinessObject businessObject, String displayText, List pkNames, BusinessObjectRestrictions businessObjectRestrictions){
         BatchJobStatus job = (BatchJobStatus) businessObject;
         String titleText = displayText+" "
             +getDataDictionaryService().getDataDictionary().getBusinessObjectEntry(getBusinessObjectClass().getName()).getObjectLabel()
             +" "
             +configurationService.getPropertyValueAsString(TITLE_ACTION_URL_PREPENDTEXT_PROPERTY);
         titleText += "Name="+job.getName()+" Group="+job.getGroup();
         return titleText;
     }
 
     public void setSchedulerService(SchedulerService schedulerService) {
         this.schedulerService = schedulerService;
     }
 
     @Override
     public void setParameterService(ParameterService parameterService) {
         this.parameterService = parameterService;
     }
 
     public void setConfigurationService(ConfigurationService configurationService) {
         this.configurationService = configurationService;
     }
 
     public KualiModuleService getKualiModuleService() {
         if ( kualiModuleService == null ) {
             kualiModuleService = SpringContext.getBean(KualiModuleService.class);
         }
         return kualiModuleService;
     }
 
     public IdentityManagementService getIdentityManagementService() {
         if ( identityManagementService == null ) {
             identityManagementService = SpringContext.getBean(IdentityManagementService.class);
         }
         return identityManagementService;
     }
 
 }