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
   *
   *     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.apache.ambari.server.api.services;
  
  import java.util.HashMap;
  import java.util.Map;
  
  import jakarta.ws.rs.GET;
  import jakarta.ws.rs.POST;
  import jakarta.ws.rs.Path;
  import jakarta.ws.rs.Produces;
  import jakarta.ws.rs.core.Context;
  import jakarta.ws.rs.core.HttpHeaders;
  import jakarta.ws.rs.core.MediaType;
  import jakarta.ws.rs.core.Response;
  import jakarta.ws.rs.core.UriInfo;
  
  import org.apache.ambari.server.api.resources.ResourceInstance;
  import org.apache.ambari.server.controller.ConfigurationResponse;
  import org.apache.ambari.server.controller.spi.Resource;
  import org.apache.http.HttpStatus;
  
  import io.swagger.annotations.Api;
  import io.swagger.annotations.ApiImplicitParam;
  import io.swagger.annotations.ApiImplicitParams;
  import io.swagger.annotations.ApiOperation;
  import io.swagger.annotations.ApiResponse;
  import io.swagger.annotations.ApiResponses;
  
  /**
   * Service responsible for services resource requests.
   */
  @Api(value = "Configurations", description = "Endpoint for configuration-specific operations")
  public class ConfigurationService extends BaseService {
  
    public static final String CONFIGURATION_REQUEST_TYPE = "org.apache.ambari.server.controller.ConfigurationRequest";
  
    /**
     * Parent cluster name.
     */
    private String m_clusterName;
  
    /**
     * Constructor.
     *
     * @param clusterName cluster id
     */
    public ConfigurationService(String clusterName) {
      m_clusterName = clusterName;
    }
  
    @Path("service_config_versions")
    public ServiceConfigVersionService getServiceConfigVersionService() {
      return new ServiceConfigVersionService(m_clusterName);
    }
  
    /**
     * Handles URL: /clusters/{clusterId}/configurations
     * Get all services for a cluster.
     *
     * @param headers http headers
     * @param ui      uri info
     * @return service collection resource representation
     */
    @GET
    @Produces(MediaType.TEXT_PLAIN)
    @ApiOperation(value = "Get all configurations", response = ConfigurationResponse.class, responseContainer =
            RESPONSE_CONTAINER_LIST)
    @ApiImplicitParams({
      @ApiImplicitParam(name = QUERY_FIELDS, value = QUERY_FILTER_DESCRIPTION, dataType = DATA_TYPE_STRING, paramType = PARAM_TYPE_QUERY),
      @ApiImplicitParam(name = QUERY_SORT, value = QUERY_SORT_DESCRIPTION, dataType = DATA_TYPE_STRING, paramType = PARAM_TYPE_QUERY),
      @ApiImplicitParam(name = QUERY_PAGE_SIZE, value = QUERY_PAGE_SIZE_DESCRIPTION, defaultValue = DEFAULT_PAGE_SIZE, dataType = DATA_TYPE_INT, paramType = PARAM_TYPE_QUERY),
      @ApiImplicitParam(name = QUERY_FROM, value = QUERY_FROM_DESCRIPTION, allowableValues = QUERY_FROM_VALUES, defaultValue = DEFAULT_FROM, dataType = DATA_TYPE_INT, paramType = PARAM_TYPE_QUERY),
      @ApiImplicitParam(name = QUERY_TO, value = QUERY_TO_DESCRIPTION, allowableValues = QUERY_TO_VALUES, dataType = DATA_TYPE_INT, paramType = PARAM_TYPE_QUERY),
    })
    @ApiResponses({
      @ApiResponse(code = HttpStatus.SC_OK, message = MSG_SUCCESSFUL_OPERATION),
      @ApiResponse(code = HttpStatus.SC_NOT_FOUND, message = MSG_CLUSTER_OR_HOST_NOT_FOUND),
      @ApiResponse(code = HttpStatus.SC_UNAUTHORIZED, message = MSG_NOT_AUTHENTICATED),
      @ApiResponse(code = HttpStatus.SC_FORBIDDEN, message = MSG_PERMISSION_DENIED),
      @ApiResponse(code = HttpStatus.SC_INTERNAL_SERVER_ERROR, message = MSG_SERVER_ERROR),
      @ApiResponse(code = HttpStatus.SC_BAD_REQUEST, message = MSG_INVALID_ARGUMENTS),
    })
    public Response getConfigurations(String body, @Context HttpHeaders headers, @Context UriInfo ui) {
      return handleRequest(headers, body, ui, Request.Type.GET, createConfigurationResource(m_clusterName));
    }
  
    /**
     * Handles URL: /clusters/{clusterId}/configurations
     * The body should contain:
     * <pre>
     * {
     *     "type":"type_string",
     *     "tag":"version_tag",
     *     "properties":
     *     {
     *         "key1":"value1",
     *         // ...
     *         "keyN":"valueN"
     *     }
     * }
     * </pre>
     *
     * To create multiple configurations is a request, provide an array of configuration properties.
     *
     * @param headers http headers
     * @param ui      uri info
     * @return status code only, 201 if successful
     */
    @POST
    @Produces(MediaType.TEXT_PLAIN)
    @ApiOperation(value = "Create new configurations")
    @ApiImplicitParams({
      @ApiImplicitParam(dataType = CONFIGURATION_REQUEST_TYPE, paramType = PARAM_TYPE_BODY,  allowMultiple = true)
    })
    @ApiResponses(value = {
      @ApiResponse(code = HttpStatus.SC_CREATED, message = MSG_SUCCESSFUL_OPERATION),
      @ApiResponse(code = HttpStatus.SC_ACCEPTED, message = MSG_REQUEST_ACCEPTED),
      @ApiResponse(code = HttpStatus.SC_BAD_REQUEST, message = MSG_INVALID_ARGUMENTS),
      @ApiResponse(code = HttpStatus.SC_NOT_FOUND, message = MSG_CLUSTER_NOT_FOUND),
      @ApiResponse(code = HttpStatus.SC_UNAUTHORIZED, message = MSG_NOT_AUTHENTICATED),
      @ApiResponse(code = HttpStatus.SC_FORBIDDEN, message = MSG_PERMISSION_DENIED),
      @ApiResponse(code = HttpStatus.SC_INTERNAL_SERVER_ERROR, message = MSG_SERVER_ERROR),
    })
    public Response createConfigurations(String body,@Context HttpHeaders headers, @Context UriInfo ui) {
  
      return handleRequest(headers, body, ui, Request.Type.POST, createConfigurationResource(m_clusterName));
    }
  
    /**
     * Create a service resource instance.
     *
     * @param clusterName cluster name
     *
     * @return a service resource instance
     */
    ResourceInstance createConfigurationResource(String clusterName) {
      Map<Resource.Type,String> mapIds = new HashMap<>();
      mapIds.put(Resource.Type.Cluster, clusterName);
      mapIds.put(Resource.Type.Configuration, null);
  
      return createResource(Resource.Type.Configuration, mapIds);
    }
  }
  