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/**
 * Copyright (c) 2018 Orange
 *
 * Licensed 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
 *
 * 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.
 */
package org.onap.nbi.apis.servicecatalog;

import java.io.File;
import java.io.IOException;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import org.apache.commons.io.FileUtils;
import org.onap.nbi.apis.servicecatalog.jolt.FindServiceSpecJsonTransformer;
import org.onap.nbi.apis.servicecatalog.jolt.GetServiceSpecJsonTransformer;
import org.onap.nbi.apis.serviceorder.ServiceCatalogUrl;
import org.onap.sdc.tosca.parser.exceptions.SdcToscaParserException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;
import org.springframework.util.MultiValueMap;

@Service
public class ServiceSpecificationService {

  @Autowired
  SdcClient sdcClient;

  @Autowired
  GetServiceSpecJsonTransformer getServiceSpecJsonTransformer;

  @Autowired
  FindServiceSpecJsonTransformer findServiceSpecJsonTransformer;

  @Autowired
  ToscaInfosProcessor toscaInfosProcessor;

  @Autowired
  private ServiceCatalogUrl serviceCatalogUrl;


  private static final Logger LOGGER = LoggerFactory.getLogger(ServiceSpecificationService.class);


  public Map get(String serviceSpecId) {
    Map sdcResponse = sdcClient.callGet(serviceSpecId);
    LinkedHashMap serviceCatalogResponse =
        (LinkedHashMap) getServiceSpecJsonTransformer.transform(sdcResponse);
    String toscaModelUrl = (String) sdcResponse.get("toscaModelURL");
    String serviceId = (String) sdcResponse.get("id");
    File toscaFile = sdcClient.callGetWithAttachment(toscaModelUrl);
    Path pathToToscaCsar = toscaFile.toPath().toAbsolutePath();
    try {
      toscaInfosProcessor.buildResponseWithSdcToscaParser(pathToToscaCsar, serviceCatalogResponse);
    } catch (SdcToscaParserException e) {
      LOGGER.debug("unable to build response from tosca csar using sdc-parser, partial response : "
          + pathToToscaCsar.toString() + " " + e.getMessage());
    }
    try {
      if (toscaFile != null) {
        LOGGER.debug("deleting tosca archive : " + toscaFile.getName());
        FileUtils.forceDelete(toscaFile);
      }
    } catch (IOException e) {
      LOGGER.error("unable to delete temp directory tosca file for id : " + serviceId, e);
    }
    return serviceCatalogResponse;
  }

  public List<LinkedHashMap> find(MultiValueMap<String, String> parametersMap) {
    List<LinkedHashMap> sdcResponse = sdcClient.callFind(parametersMap);
    List<LinkedHashMap> serviceCatalogResponse = new ArrayList<>();
    if (!CollectionUtils.isEmpty(sdcResponse)) {
      serviceCatalogResponse = findServiceSpecJsonTransformer.transform(sdcResponse);
    }
    return serviceCatalogResponse;
  }
}