package org.kuali.student.enrollment.class2.acal.service;

 import org.apache.commons.lang.StringUtils;

 import org.kuali.rice.core.api.criteria.Predicate;

 import org.kuali.rice.core.api.criteria.QueryByCriteria;

 import org.kuali.rice.core.api.resourceloader.GlobalResourceLoader;

 import org.kuali.rice.krad.lookup.LookupableImpl;

 import org.kuali.rice.krad.uif.UifParameters;

 import org.kuali.rice.krad.util.KRADConstants;

 import org.kuali.rice.krad.util.UrlFactory;

 import org.kuali.rice.krad.web.form.LookupForm;

 import org.kuali.student.enrollment.acal.constants.AcademicCalendarServiceConstants;

 import org.kuali.student.enrollment.acal.dto.AcademicCalendarInfo;

 import org.kuali.student.enrollment.acal.dto.TermInfo;

 import org.kuali.student.enrollment.acal.service.AcademicCalendarService;

 import org.kuali.student.r2.common.dto.ContextInfo;

 import org.kuali.student.mock.utilities.TestHelper;

 import javax.xml.namespace.QName;

 import java.text.ParseException;

 import java.text.SimpleDateFormat;

 import java.util.*;

 import static org.kuali.rice.core.api.criteria.PredicateFactory.*;

 public class AcademicTermLookupableImpl  extends LookupableImpl {

     public final static String TERM_TYPE = "typeKey";

     public final static String TERM_NAME = "name";

     public final static String TERM_START_DATE = "startDate";

     public final static String TERM_END_DATE = "endDate";

     public final static String TERM_STATE = "stateKey";

          private transient AcademicCalendarService academicCalendarService;

     @Override

     protected List<?> getSearchResults(LookupForm lookupForm, Map<String, String> fieldValues, boolean unbounded) {

             TermInfo termInfo = null;

             List<TermInfo> termInfoList = new ArrayList<TermInfo>();

         List<AcademicCalendarInfo> acalInfoList = new ArrayList<AcademicCalendarInfo>();

             String termName = fieldValues.get(TERM_NAME);

         String termType = fieldValues.get(TERM_TYPE);

         String termState = fieldValues.get(TERM_STATE);

         String termStartDate = fieldValues.get(TERM_START_DATE);

         String termEndDate = fieldValues.get(TERM_END_DATE);

             ContextInfo context = new ContextInfo();

         QueryByCriteria.Builder qBuilder = QueryByCriteria.Builder.create();

         List<Predicate> pList = new ArrayList<Predicate>();

         Predicate p;

         qBuilder.setPredicates();

         if (StringUtils.isNotBlank(termName)){

             p = equal(TERM_NAME, termName);

                     pList.add(p);

         }

         if (StringUtils.isNotBlank(termType)){

             p = equal("atpType", termType);

                     pList.add(p);

         }

         if (StringUtils.isNotBlank(termState)){

             p = equal("atpState", termState);

                     pList.add(p);

         }

         if (StringUtils.isNotBlank(termStartDate)){

             try {

                 p = greaterThanOrEqual(TERM_START_DATE, new SimpleDateFormat("MM/dd/yyyy").parse(termStartDate));

             } catch (ParseException e) {

                 throw new RuntimeException(e);

             }

             pList.add(p);

         }

         if (StringUtils.isNotBlank(termEndDate)){

             try{

                 p = lessThanOrEqual(TERM_END_DATE,  new SimpleDateFormat("MM/dd/yyyy").parse(termEndDate));

             } catch (ParseException e) {

                 throw new RuntimeException(e);

             }

                     pList.add(p);

         }

         if (!pList.isEmpty()){

             Predicate[] preds = new Predicate[pList.size()];

             pList.toArray(preds);

             qBuilder.setPredicates(and(preds));

         }

         try {

             termInfoList = getAcademicCalendarService().searchForTerms(qBuilder.build(),context);

         } catch (Exception e) {

             e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.

         }

         return termInfoList;

     }

     @Override

     public boolean allowsMaintenanceNewOrCopyAction() {

         return false;

     }

     @Override

     protected String getActionUrlHref(LookupForm lookupForm, Object dataObject, String methodToCall,

             List<String> pkNames) {

         if (dataObject == null){

             return StringUtils.EMPTY;

         }

         TermInfo term = (TermInfo)dataObject;

         String acalId = null;

         try {

             List<AcademicCalendarInfo> atps = getAcademicCalendarService().getAcademicCalendarsForTerm(term.getId(), TestHelper.getContext1());

             if (!atps.isEmpty()){

                 acalId = atps.get(0).getId();

             }

         } catch (Exception e) {

             throw new RuntimeException(e);

         }

         if (StringUtils.isBlank(acalId)){

            return StringUtils.EMPTY;

         }

         Properties props = new Properties();

         props.put(KRADConstants.DISPATCH_REQUEST_PARAMETER, "start");

         props.put("id",acalId);

         props.put(UifParameters.VIEW_ID, "academicCalendarEditView");

         if (StringUtils.isNotBlank(lookupForm.getReturnLocation())) {

             props.put(KRADConstants.RETURN_LOCATION_PARAMETER, lookupForm.getReturnLocation());

         }

         return UrlFactory.parameterizeUrl("academicCalendar", props);

     }

     protected AcademicCalendarService getAcademicCalendarService() {

          if(academicCalendarService == null) {

              academicCalendarService = (AcademicCalendarService) GlobalResourceLoader.getService(new QName(AcademicCalendarServiceConstants.NAMESPACE, AcademicCalendarServiceConstants.SERVICE_NAME_LOCAL_PART));

         }

         return this.academicCalendarService;

     }

 }