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.DELETE;
  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.server.api.resources.AlertTargetResourceDefinition;
  import org.apache.ambari.server.api.resources.ResourceInstance;
  import org.apache.ambari.server.controller.AlertTargetSwagger;
  import org.apache.ambari.server.controller.spi.Resource;
  import org.apache.ambari.server.state.alert.AlertTarget;
  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.ApiParam;
  import io.swagger.annotations.ApiResponse;
  import io.swagger.annotations.ApiResponses;
  
  
  
  /**
   * The {@link AlertTargetService} handles CRUD operation requests for alert
   * targets.
   */
  @Path("/alert_targets/")
  @Api(value = "Alerts", description = "Endpoint for alert specific operations")
  public class AlertTargetService extends BaseService {
  
    public static final String ALERT_TARGET_REQUEST_TYPE = "org.apache.ambari.server.controller.AlertTargetSwagger";
  
    /**
     * Handles GET /alert_targets
     * Get all alert targets.
     *
     * @param headers http headers
     * @param ui      uri info
     * @return alert target resource representation
     */
    @GET
    @Produces("text/plain")
    @ApiOperation(value = "Returns all alert targets", response = AlertTargetSwagger.class, responseContainer = "List")
    @ApiImplicitParams({
            @ApiImplicitParam(name = QUERY_FIELDS, value = QUERY_FILTER_DESCRIPTION, defaultValue = "AlertTarget/*", 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_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 getTargets(@Context HttpHeaders headers,
        @Context UriInfo ui) {
      return handleRequest(headers, null, ui, Request.Type.GET,
          createAlertTargetResource(null));
    }
  
    /**
     * Handles GET /alert_targets/{targetId}
     * Get a specific alert target.
     *
     * @param headers   http headers
     * @param ui        uri info
     * @param targetId  alert target id
     * @return alert target resource representation
     */
    @GET
    @Path("{targetId}")
    @Produces("text/plain")
    @ApiOperation(value = "Returns a single alert target", response = AlertTargetSwagger.class, nickname = "getTarget")
    @ApiImplicitParams({
            @ApiImplicitParam(name = QUERY_FIELDS, value = QUERY_FILTER_DESCRIPTION, defaultValue = "AlertTarget/*", 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_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 getTargets(@Context HttpHeaders headers,
        @Context UriInfo ui, @ApiParam(value = "alert target id") @PathParam("targetId") Long targetId) {
      return handleRequest(headers, null, ui, Request.Type.GET,
          createAlertTargetResource(targetId));
    }
  
    /**
     * Handles POST /alert_targets
     * Create a specific alert target.
     *
     * @param body     http body
     * @param headers  http headers
     * @param ui       uri info
     *
     * @return alert target resource representation
     */
    @POST
    @Produces("text/plain")
    @ApiOperation(value = "Creates an alert target")
    @ApiImplicitParams({
            @ApiImplicitParam(dataType = ALERT_TARGET_REQUEST_TYPE, paramType = PARAM_TYPE_BODY),
            @ApiImplicitParam(name = AlertTargetResourceDefinition.VALIDATE_CONFIG_DIRECTIVE, dataType = DATA_TYPE_STRING, paramType = PARAM_TYPE_QUERY),
            @ApiImplicitParam(name = AlertTargetResourceDefinition.OVERWRITE_DIRECTIVE, dataType = DATA_TYPE_STRING, paramType = PARAM_TYPE_QUERY)
    })
    @ApiResponses({
            @ApiResponse(code = HttpStatus.SC_CREATED, message = MSG_SUCCESSFUL_OPERATION),
            @ApiResponse(code = HttpStatus.SC_BAD_REQUEST, message = MSG_INVALID_ARGUMENTS),
            @ApiResponse(code = HttpStatus.SC_UNAUTHORIZED, message = MSG_NOT_AUTHENTICATED),
            @ApiResponse(code = HttpStatus.SC_INTERNAL_SERVER_ERROR, message = MSG_SERVER_ERROR),
    })
    public Response createTarget(String body, @Context HttpHeaders headers,
        @Context UriInfo ui) {
      return handleRequest(headers, body, ui, Request.Type.POST,
          createAlertTargetResource(null));
    }
  
    /**
     * Handles PUT /alert_targets/{targetId}
     * Updates a specific alert target.
     *
     * @param body     http body
     * @param headers  http headers
     * @param ui       uri info
     * @param targetId alert target id
     *
     * @return information regarding updated alert target
     */
    @PUT
    @Path("{targetId}")
    @Produces("text/plain")
    @ApiOperation(value = "Updates an alert target")
    @ApiImplicitParams({
            @ApiImplicitParam(dataType = ALERT_TARGET_REQUEST_TYPE, paramType = PARAM_TYPE_BODY)
    })
    @ApiResponses({
            @ApiResponse(code = HttpStatus.SC_OK, 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_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 updateTarget(String body, @Context HttpHeaders headers,
        @Context UriInfo ui, @PathParam("targetId") Long targetId) {
      return handleRequest(headers, body, ui, Request.Type.PUT,
          createAlertTargetResource(targetId));
    }
  
    /**
     * Handles DELETE /alert_target/{targetId}
     * Deletes a specific alert target.
     *
     * @param headers  http headers
     * @param ui       uri info
     * @param targetId alert target id
     *
     * @return alert target resource representation
     */
    @DELETE
    @Path("{targetId}")
    @Produces("text/plain")
    @ApiOperation(value = "Deletes an alert target")
    @ApiResponses({
            @ApiResponse(code = HttpStatus.SC_OK, message = MSG_SUCCESSFUL_OPERATION),
            @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 deleteTarget(String body, @Context HttpHeaders headers,
        @Context UriInfo ui, @PathParam("targetId") Long targetId) {
      return handleRequest(headers, body, ui, Request.Type.DELETE,
          createAlertTargetResource(targetId));
    }
  
    /**
     * Create a request capturing the target ID and resource type for an
     * {@link AlertTarget}.
     *
     * @param targetId
     *          the unique ID of the target to create the query for (not
     *          {@code null}).
     * @return the instance of the query.
     */
    private ResourceInstance createAlertTargetResource(Long targetId) {
      Map<Resource.Type, String> mapIds = new HashMap<>();
  
      mapIds.put(Resource.Type.AlertTarget,
          null == targetId ? null : targetId.toString());
  
      return createResource(Resource.Type.AlertTarget, mapIds);
    }
  }
  