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/*
 * ============LICENSE_START==========================================
 * ONAP Portal
 * ===================================================================
 * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
 * ===================================================================
 * Modifications Copyright (c) 2019 Samsung
 * ===================================================================
 *
 * Unless otherwise specified, all software contained herein is licensed
 * under the Apache License, Version 2.0 (the "License");
 * you may not use this software except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *             http://www.apache.org/licenses/LICENSE-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.
 *
 * Unless otherwise specified, all documentation contained herein is licensed
 * under the Creative Commons License, Attribution 4.0 Intl. (the "License");
 * you may not use this documentation except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *             https://creativecommons.org/licenses/by/4.0/
 *
 * Unless required by applicable law or agreed to in writing, documentation
 * 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.
 *
 * ============LICENSE_END============================================
 *
 *
 */

package org.onap.portal.service.ep;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
import org.onap.portal.dao.ep.EpMicroserviceParameterDao;
import org.onap.portal.dao.ep.EpWidgetCatalogParameterDao;
import org.onap.portal.dao.fn.EpWidgetCatalogDao;
import org.onap.portal.dao.fn.FnUserDao;
import org.onap.portal.domain.db.ep.EpWidgetCatalogParameter;
import org.onap.portal.domain.dto.ecomp.WidgetCatalogParameter;
import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service
public class EpWidgetCatalogParameterService {

       EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(EpWidgetCatalogParameterService.class);

       private final EpWidgetCatalogParameterDao epWidgetCatalogParameterDao;
       private final EpMicroserviceParameterDao epMicroserviceParameterDao;
       private final EpWidgetCatalogDao epWidgetCatalogDao;
       private final FnUserDao fnUserDao;

       @Autowired
       public EpWidgetCatalogParameterService(
               final EpWidgetCatalogParameterDao epWidgetCatalogParameterDao,
               final EpMicroserviceParameterDao epMicroserviceParameterDao,
               EpWidgetCatalogDao epWidgetCatalogDao, FnUserDao fnUserDao) {
              this.epWidgetCatalogParameterDao = epWidgetCatalogParameterDao;
              this.epMicroserviceParameterDao = epMicroserviceParameterDao;
              this.epWidgetCatalogDao = epWidgetCatalogDao;
              this.fnUserDao = fnUserDao;
       }

       public List<WidgetCatalogParameter> getUserParameterById(Long paramId) {
              return mapEpWidgetListToWidgetList(
                      epWidgetCatalogParameterDao.retrieveByParamId(paramId).orElse(new ArrayList<>()));
       }

       public void deleteUserParameterById(Long paramId) {
              epWidgetCatalogParameterDao.deleteWidgetCatalogParameter(paramId);
              epMicroserviceParameterDao.deleteMicroserviceParameterById(paramId);
       }

       public WidgetCatalogParameter getUserParamById(Long widgetId, Long userId, Long paramId) {
              WidgetCatalogParameter widgetParam = null;
              List<WidgetCatalogParameter> list = mapEpWidgetListToWidgetList(
                      epWidgetCatalogParameterDao.getUserParamById(widgetId, userId, paramId)
                              .orElse(new ArrayList<>()));
              if (list.size() != 0) {
                     widgetParam = list.get(0);
              }
              logger.debug(EELFLoggerDelegate.debugLogger,
                      "getUserParamById: widget parameters: " + widgetParam);
              return widgetParam;
       }

       public void saveUserParameter(WidgetCatalogParameter newParameter) {
              epWidgetCatalogParameterDao.saveAndFlush(mapToEpWidgetCatalogParameter(newParameter));
       }

       private EpWidgetCatalogParameter mapToEpWidgetCatalogParameter(WidgetCatalogParameter wcp){

              return new EpWidgetCatalogParameter(wcp.getId(), epWidgetCatalogDao.findById(wcp.getWidgetId()).get(),
                      fnUserDao.findById(wcp.getUserId()).get(),
                      epMicroserviceParameterDao.findById(wcp.getParamId()).get(),
                      wcp.getUserValue());
       }

       private List<EpWidgetCatalogParameter> mapToList(List<WidgetCatalogParameter> list){
              return list.stream().map(this::mapToEpWidgetCatalogParameter).collect(Collectors.toList());
       }

       private WidgetCatalogParameter mapEpWidgetCatalogParametertoWidgetCatalogParameter(
               EpWidgetCatalogParameter ewcp) {
              return new WidgetCatalogParameter(ewcp.getId(), ewcp.getWidgetId().getWidgetId(),
                      ewcp.getUserId().getId(), ewcp.getParamId().getId(), ewcp.getUserValue());
       }

       private List<WidgetCatalogParameter> mapEpWidgetListToWidgetList(
               List<EpWidgetCatalogParameter> epWidgetCatalogParameters) {
              return epWidgetCatalogParameters.stream().map(this::mapEpWidgetCatalogParametertoWidgetCatalogParameter)
                      .collect(Collectors.toList());
       }
}