content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache 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
   *
   *    https://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.
   */
  package org.apache.bigtop.manager.server.service.impl;
  
  import org.apache.bigtop.manager.dao.po.ServicePO;
  import org.apache.bigtop.manager.dao.repository.ClusterDao;
  import org.apache.bigtop.manager.dao.repository.ServiceDao;
  import org.apache.bigtop.manager.server.model.converter.ClusterConverter;
  import org.apache.bigtop.manager.server.model.converter.ServiceConverter;
  import org.apache.bigtop.manager.server.model.converter.StackConverter;
  import org.apache.bigtop.manager.server.model.dto.ServiceDTO;
  import org.apache.bigtop.manager.server.model.dto.StackDTO;
  import org.apache.bigtop.manager.server.model.vo.ClusterVO;
  import org.apache.bigtop.manager.server.model.vo.ServiceClusterVO;
  import org.apache.bigtop.manager.server.model.vo.StackVO;
  import org.apache.bigtop.manager.server.service.StackService;
  import org.apache.bigtop.manager.server.utils.StackUtils;
  
  import org.apache.commons.collections4.CollectionUtils;
  
  import org.springframework.stereotype.Service;
  
  import lombok.extern.slf4j.Slf4j;
  
  import jakarta.annotation.Resource;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Map;
  import java.util.function.Function;
  import java.util.stream.Collectors;
  
  @Slf4j
  @Service
  public class StackServiceImpl implements StackService {
  
      @Resource
      private ClusterDao clusterDao;
  
      @Resource
      private ServiceDao serviceDao;
  
      @Override
      public List<StackVO> list() {
          List<StackVO> stackVOList = new ArrayList<>();
  
          for (Map.Entry<StackDTO, List<ServiceDTO>> entry : StackUtils.STACK_SERVICE_MAP.entrySet()) {
              StackDTO stackDTO = entry.getKey();
              List<ServiceDTO> serviceDTOList = entry.getValue();
              for (ServiceDTO serviceDTO : serviceDTOList) {
                  serviceDTO.setConfigs(StackUtils.SERVICE_CONFIG_MAP.get(serviceDTO.getName()));
              }
  
              StackVO stackVO = StackConverter.INSTANCE.fromDTO2VO(stackDTO);
              stackVO.setServices(ServiceConverter.INSTANCE.fromDTO2VO(serviceDTOList));
              stackVOList.add(stackVO);
          }
  
          return stackVOList;
      }
  
      @Override
      public List<ServiceClusterVO> serviceClusters() {
          List<ServiceClusterVO> res = new ArrayList<>();
          // ID - ClusterVO map
          Map<Long, ClusterVO> clusterVOMap = ClusterConverter.INSTANCE.fromPO2VO(clusterDao.findAll()).stream()
                  .collect(Collectors.toMap(ClusterVO::getId, Function.identity()));
          // Name - ServicePO map
          Map<String, List<ServicePO>> servicePONameMap =
                  serviceDao.findAll().stream().collect(Collectors.groupingBy(ServicePO::getName));
          List<ServiceDTO> serviceDTOList = StackUtils.getAllStacks().stream()
                  .map(StackUtils::getServiceDTOList)
                  .flatMap(List::stream)
                  .toList();
          for (ServiceDTO serviceDTO : serviceDTOList) {
              List<ClusterVO> clusterVOList = new ArrayList<>();
              List<ServicePO> servicePOList = servicePONameMap.get(serviceDTO.getName());
              if (!CollectionUtils.isEmpty(servicePOList)) {
                  for (ServicePO servicePO : servicePOList) {
                      ClusterVO clusterVO = clusterVOMap.get(servicePO.getClusterId());
                      clusterVOList.add(clusterVO);
                  }
              }
  
              res.add(new ServiceClusterVO(serviceDTO.getName(), clusterVOList));
          }
  
          return res;
      }
  }
  