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.PUT;
  import jakarta.ws.rs.Path;
  import jakarta.ws.rs.PathParam;
  import jakarta.ws.rs.Produces;
  import jakarta.ws.rs.core.Context;
  import jakarta.ws.rs.core.HttpHeaders;
  import jakarta.ws.rs.core.Response;
  import jakarta.ws.rs.core.UriInfo;
  
  import org.apache.ambari.annotations.ApiIgnore;
  import org.apache.ambari.server.api.resources.ResourceInstance;
  import org.apache.ambari.server.controller.spi.Resource;
  
  /**
   * Service responsible for cluster stack version requests.
   */
  public class ClusterStackVersionService extends BaseService {
    /**
     * Name of the cluster.
     */
    private String clusterName;
  
    /**
     * Constructor.
     *
     * @param clusterName name of the cluster
     */
    public ClusterStackVersionService(String clusterName) {
      this.clusterName = clusterName;
    }
  
    /**
     * Gets all cluster stack versions.
     * Handles: GET /clusters/{clustername}/stack_versions requests.
     *
     * @param headers http headers
     * @param ui      uri info
     *
     * @return information regarding all cluster stack versions
     */
    @GET @ApiIgnore // until documented
    @Produces("text/plain")
    public Response getClusterStackVersions(@Context HttpHeaders headers, @Context UriInfo ui) {
      return handleRequest(headers, null, ui, Request.Type.GET, createResource(null));
    }
  
    /**
     * Gets a single cluster stack version.
     * Handles: GET /clusters/{clustername}/stack_versions/{stackVersionId} requests.
     *
     * @param headers        http headers
     * @param ui             uri info
     * @param stackVersionId cluster stack version id
     *
     * @return information regarding the specific cluster stack version
     */
    @GET @ApiIgnore // until documented
    @Path("{stackVersionId}")
    @Produces("text/plain")
    public Response getClusterStackVersion(@Context HttpHeaders headers, @Context UriInfo ui,
        @PathParam("stackVersionId") String stackVersionId) {
      return handleRequest(headers, null, ui, Request.Type.GET, createResource(stackVersionId));
    }
  
    /**
     * Gets the cluster stack versions service.
     *
     * @param request
     *          the request
     * @param stackVersion
     *          the stack name
     *
     * @return the repository stack version service
     */
    @Path("{stackVersionId}/repository_versions")
    public RepositoryVersionService getRepositoryVersionService(@Context jakarta.ws.rs.core.Request request,
                                                                    @PathParam("stackVersionId") String stackVersion) {
      final Map<Resource.Type, String> mapIds = new HashMap<>();
      mapIds.put(Resource.Type.Cluster, clusterName);
      mapIds.put(Resource.Type.ClusterStackVersion, stackVersion);
      return new RepositoryVersionService(mapIds);
    }
  
    /**
     * Handles: POST /{clustername}/stack_versions requests
     * Distribute repositories/install packages.
     *
     * @param body        http body
     * @param headers     http headers
     * @param ui          uri info
     * @return information regarding the created services
     */
    @POST @ApiIgnore // until documented
    @Produces("text/plain")
    public Response createRequests(String body, @Context HttpHeaders headers, @Context UriInfo ui) {
      return handleRequest(headers, body, ui, Request.Type.POST, createResource(null));
    }
  
    /**
     * Handles: POST /{clustername}/stack_versions requests
     * triggering Finalize during manual Stack Upgrade
     *
     * @param body        http body
     * @param headers     http headers
     * @param ui          uri info
     * @return information regarding the created services
     */
    @PUT @ApiIgnore // until documented
    @Produces("text/plain")
    public Response updateRequests(String body, @Context HttpHeaders headers, @Context UriInfo ui) {
      return handleRequest(headers, body, ui, Request.Type.PUT, createResource(null));
    }
  
    /**
     * Create a cluster stack version resource instance.
     *
     * @param stackVersionId cluster stack version id
     *
     * @return a cluster stack version resource instance
     */
    private ResourceInstance createResource(String stackVersionId) {
      final Map<Resource.Type, String> mapIds = new HashMap<>();
      mapIds.put(Resource.Type.Cluster, clusterName);
      mapIds.put(Resource.Type.ClusterStackVersion, stackVersionId);
      return createResource(Resource.Type.ClusterStackVersion, mapIds);
    }
  }
  