/*
 * 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.users;

import java.util.Collections;

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.Response;
import jakarta.ws.rs.core.UriInfo;

import org.apache.ambari.server.api.resources.ResourceInstance;
import org.apache.ambari.server.api.services.BaseService;
import org.apache.ambari.server.api.services.Request;
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 auth requests.
 */
@Path("/auth")
@Api(value = "Auth", description = "Endpoint for authentication operations")
public class AuthService extends BaseService {

  private static final String AUTH_USERS_REQUEST_TYPE = "org.apache.ambari.server.controller.AuthRequestCreateAuthSwagger";

  /**
   * Is used as auth request.
   * Handles: POST /auth
   *
   * @param headers http headers
   * @param ui      uri info
   * @return information regarding the requested user and related info
   */
  @POST
  @Produces("text/plain")
  @ApiOperation(value = "User authorization request")
  @ApiImplicitParams({
          @ApiImplicitParam(dataType = AUTH_USERS_REQUEST_TYPE, paramType = PARAM_TYPE_BODY, allowMultiple = true)
  })
  @ApiResponses({
          @ApiResponse(code = HttpStatus.SC_BAD_REQUEST, message = MSG_INVALID_ARGUMENTS),
          @ApiResponse(code = HttpStatus.SC_NOT_FOUND, message = MSG_RESOURCE_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 getUsersViaPost(String body, @Context HttpHeaders headers, @Context UriInfo ui) {
    return handleRequest(headers, body, ui, Request.Type.POST, createAuthResource());
  }

  /**
   * Create an auth resource instance.
   *
   * @return an auth resource instance
   */
  private ResourceInstance createAuthResource() {
    return createResource(Resource.Type.Auth, Collections.EMPTY_MAP);
  }
}
