package org.kuali.student.enrollment.class2.courseregistration.service.decorators;

 import org.kuali.student.enrollment.courseregistration.dto.RegRequestInfo;

 import org.kuali.student.enrollment.courseregistration.dto.RegResponseInfo;

 import org.kuali.student.enrollment.courseregistration.service.CourseRegistrationServiceDecorator;

 import org.kuali.student.enrollment.lpr.dto.LprTransactionInfo;

 import org.kuali.student.enrollment.lpr.service.LuiPersonRelationService;

 import org.kuali.student.r2.common.datadictionary.DataDictionaryValidator;

 import org.kuali.student.r2.common.datadictionary.service.DataDictionaryService;

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

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

 import org.kuali.student.r2.common.exceptions.AlreadyExistsException;

 import org.kuali.student.r2.common.exceptions.DataValidationErrorException;

 import org.kuali.student.r2.common.exceptions.DoesNotExistException;

 import org.kuali.student.r2.common.exceptions.InvalidParameterException;

 import org.kuali.student.r2.common.exceptions.MissingParameterException;

 import org.kuali.student.r2.common.exceptions.OperationFailedException;

 import org.kuali.student.r2.common.exceptions.PermissionDeniedException;

 import org.kuali.student.r2.common.infc.ValidationResult;

 import org.kuali.student.r2.common.util.constants.LuiPersonRelationServiceConstants;

 import java.util.ArrayList;

 import java.util.List;

 public class CourseRegistrationServiceValidationDecorator extends CourseRegistrationServiceDecorator {

     private DataDictionaryValidator validator;

     private DataDictionaryService dataDictionaryService;

     public void setLprService(LuiPersonRelationService lprService) {

         this.lprService = lprService;

     }

     private LuiPersonRelationService lprService;

     public DataDictionaryValidator getValidator() {

         return validator;

     }

     public void setValidator(DataDictionaryValidator validator) {

         this.validator = validator;

     }

     public DataDictionaryService getDataDictionaryService() {

         return dataDictionaryService;

     }

     public void setDataDictionaryService(DataDictionaryService dataDictionaryService) {

         this.dataDictionaryService = dataDictionaryService;

     }

     @Override

     public RegRequestInfo createRegRequest(RegRequestInfo regRequestInfo, ContextInfo context)

             throws AlreadyExistsException, DataValidationErrorException, InvalidParameterException,

             MissingParameterException, OperationFailedException, PermissionDeniedException {

         if (regRequestInfo.getRequestorId() == null)

             throw new DataValidationErrorException("Null field requestorId");

         if (regRequestInfo.getRegRequestItems() == null)

             throw new DataValidationErrorException("Not a valid request, missing request items");

         return getNextDecorator().createRegRequest(regRequestInfo, context);

     }

     @Override

     public RegResponseInfo submitRegRequest(String regRequestId, ContextInfo context) throws DoesNotExistException,

     InvalidParameterException, MissingParameterException, OperationFailedException, PermissionDeniedException,

     DataValidationErrorException, AlreadyExistsException {

         LprTransactionInfo storedLprTransaction = lprService.getLprTransaction(regRequestId, context);

         List<ValidationResultInfo> validationErrors = new ArrayList<ValidationResultInfo>();

          if(storedLprTransaction.getStateKey().equals(LuiPersonRelationServiceConstants.LPRTRANS_SUCCEEDED_STATE_KEY)||

                 storedLprTransaction.getStateKey().equals(LuiPersonRelationServiceConstants.LPRTRANS_DISCARDED_STATE_KEY)||

                  storedLprTransaction.getStateKey().equals(LuiPersonRelationServiceConstants.LPRTRANS_FAILED_STATE_KEY)){

              throw new DataValidationErrorException("The state key validation failed", validationErrors);

          }

         return getNextDecorator().submitRegRequest(regRequestId, context);

     }

 }