/**

  * Copyright 2010 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.osedu.org/licenses/ECL-2.0

  *

  * 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.student.r2.core.class1.enumerationmanagement.service.impl;

 import java.util.ArrayList;

 import java.util.Date;

 import java.util.List;

 import javax.jws.WebService;

 import javax.persistence.NoResultException;

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

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

 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.exceptions.ReadOnlyException;

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

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

 import org.kuali.student.r2.core.class1.enumerationmanagement.dao.EnumContextValueDao;

 import org.kuali.student.r2.core.class1.enumerationmanagement.dao.EnumeratedValueDao;

 import org.kuali.student.r2.core.class1.enumerationmanagement.dao.EnumerationDao;

 import org.kuali.student.r2.core.class1.enumerationmanagement.model.EnumeratedValueEntity;

 import org.kuali.student.r2.core.class1.enumerationmanagement.model.EnumerationEntity;

 import org.kuali.student.r2.core.enumerationmanagement.dto.EnumeratedValueInfo;

 import org.kuali.student.r2.core.enumerationmanagement.dto.EnumerationInfo;

 import org.kuali.student.r2.core.enumerationmanagement.service.EnumerationManagementService;

 import org.springframework.transaction.annotation.Transactional;

 /**

  * Enumeration Management Service implementation class.

  *

  * @Version 2.0

  */

 @WebService(name = "EnumerationManagementService", serviceName = "EnumerationManagementService", portName = "EnumerationManagementService", targetNamespace = EnumerationManagementServiceConstants.NAMESPACE)

 @Transactional(readOnly = true, noRollbackFor = {DoesNotExistException.class}, rollbackFor = {Throwable.class})

 public class EnumerationManagementServiceImpl implements EnumerationManagementService {

     private EnumerationDao enumDao;

     private EnumeratedValueDao enumValueDao;

     private EnumContextValueDao enumContextValueDao;

     public EnumerationDao getEnumDao() {

         return enumDao;

     }

     public void setEnumDao(EnumerationDao enumDao) {

         this.enumDao = enumDao;

     }

     public EnumeratedValueDao getEnumValueDao() {

         return enumValueDao;

     }

     public void setEnumValueDao(EnumeratedValueDao enumValueDao) {

         this.enumValueDao = enumValueDao;

     }

     public EnumContextValueDao getEnumContextValueDao() {

         return enumContextValueDao;

     }

     public void setEnumContextValueDao(EnumContextValueDao enumContextValueDao) {

         this.enumContextValueDao = enumContextValueDao;

     }

     @Override

     @Transactional(readOnly=true)

     public List<EnumerationInfo> getEnumerations(ContextInfo contextInfo) throws InvalidParameterException, MissingParameterException, OperationFailedException, PermissionDeniedException {

         List<EnumerationEntity> enumEntities =  this.enumDao.findAll();

         List<EnumerationInfo> enumInfos = new ArrayList<EnumerationInfo>(enumEntities.size());

         for (EnumerationEntity enumeration : enumEntities){

             enumInfos.add(enumeration.toDto());

         }

         return enumInfos;

     }

     @Override

     public EnumerationInfo getEnumeration(String enumerationKey, ContextInfo contextInfo) throws DoesNotExistException, InvalidParameterException, MissingParameterException, OperationFailedException, PermissionDeniedException {

         EnumerationEntity entity = enumDao.find(enumerationKey);

         if(entity == null)

             throw new DoesNotExistException(enumerationKey);

         return entity.toDto();

     }

     @Override

     public List<EnumeratedValueInfo> getEnumeratedValues(String enumerationKey, String contextTypeKey, String contextValue, Date contextDate, ContextInfo contextInfo) throws DoesNotExistException, InvalidParameterException, MissingParameterException, OperationFailedException, PermissionDeniedException {

         List<EnumeratedValueEntity> enumeratedValues = null;

         if(enumerationKey != null && contextTypeKey != null && contextValue != null && contextDate != null){

             enumeratedValues = enumValueDao.getByContextAndDate(enumerationKey, contextTypeKey, contextValue, contextDate);

         }

         else if(enumerationKey != null && contextTypeKey != null && contextValue != null){

             enumeratedValues = enumValueDao.getByContextTypeAndValue(enumerationKey, contextTypeKey, contextValue);

         }

         else if(enumerationKey != null && contextDate != null){

             enumeratedValues = enumValueDao.getByDate(enumerationKey, contextDate);

         }

         else if(enumerationKey != null){

             enumeratedValues = enumValueDao.getByEnumerationKey(enumerationKey);

         }

         if(enumeratedValues == null)

             throw new DoesNotExistException(enumerationKey);

         List<EnumeratedValueInfo> enumeratedValueInfos = new ArrayList<EnumeratedValueInfo>(enumeratedValues.size());

         for (EnumeratedValueEntity enumeratedValue : enumeratedValues){

             enumeratedValueInfos.add(enumeratedValue.toDto());

         }

         return enumeratedValueInfos;

     }

     @Override

     public List<ValidationResultInfo> validateEnumeratedValue(String validationTypeKey, String enumerationKey, String code, EnumeratedValueInfo enumeratedValueInfo, ContextInfo contextInfo) throws DoesNotExistException, InvalidParameterException, MissingParameterException, OperationFailedException, PermissionDeniedException {

         return null; //FIXME need real validation

     }

     @Override

     @Transactional(readOnly=false,noRollbackFor={DoesNotExistException.class},rollbackFor={Throwable.class})

     public EnumeratedValueInfo updateEnumeratedValue(String enumerationKey, String code, EnumeratedValueInfo enumeratedValueInfo, ContextInfo contextInfo) throws DataValidationErrorException, DoesNotExistException, InvalidParameterException, MissingParameterException, OperationFailedException, PermissionDeniedException, ReadOnlyException, VersionMismatchException {

         EnumerationEntity enumerationEntity = enumDao.find(enumeratedValueInfo.getEnumerationKey());           

         if(enumerationEntity == null)

             throw new DoesNotExistException(enumeratedValueInfo.getEnumerationKey());

         EnumeratedValueEntity modifiedEntity = new EnumeratedValueEntity(enumeratedValueInfo);

         modifiedEntity.setEnumeration(enumerationEntity);

         try {

             modifiedEntity.setId(enumValueDao.getByEnumerationKeyAndCode(enumerationKey, code).getId());

         }catch (NoResultException e) {

             throw new DoesNotExistException(enumerationKey + code);

         }

         enumValueDao.merge(modifiedEntity);

         return enumValueDao.find(modifiedEntity.getId()).toDto();

     }

     @Override

     public StatusInfo deleteEnumeratedValue(String enumerationKey, String code, ContextInfo contextInfo) throws DoesNotExistException, InvalidParameterException, MissingParameterException, OperationFailedException, PermissionDeniedException {

         StatusInfo status = new StatusInfo();

         status.setSuccess(Boolean.TRUE);

         EnumeratedValueEntity enumeratedValue = enumValueDao.getByEnumerationKeyAndCode(enumerationKey, code);

         if (null != enumeratedValue) {

             enumValueDao.remove(enumeratedValue);

         } else

             status.setSuccess(Boolean.FALSE);

         return status;

     }

     @Override

     @Transactional(readOnly=false,noRollbackFor={DoesNotExistException.class},rollbackFor={Throwable.class})

     public EnumeratedValueInfo addEnumeratedValue(String enumerationKey, String code, EnumeratedValueInfo enumeratedValueInfo, ContextInfo contextInfo) throws AlreadyExistsException, DataValidationErrorException, DoesNotExistException, InvalidParameterException, MissingParameterException, OperationFailedException, PermissionDeniedException, ReadOnlyException {

         EnumerationEntity enumerationEntity = enumDao.find(enumeratedValueInfo.getEnumerationKey());           

         if(enumerationEntity == null)

             throw new DoesNotExistException(enumeratedValueInfo.getEnumerationKey());

         EnumeratedValueEntity entity = null;

         try {

             enumValueDao.getByEnumerationKeyAndCode(enumerationKey, code);

             throw new AlreadyExistsException();

         } catch (NoResultException e) {

             entity = new EnumeratedValueEntity(enumeratedValueInfo);

             entity.setEnumeration(enumerationEntity);

             enumValueDao.persist(entity);

         }

         return enumValueDao.find(entity.getId()).toDto();

     }

 }