text: "use strict";
  /*
   * Copyright 2019 gRPC authors.
   *
   * 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.
   *
   */
  Object.defineProperty(exports, "__esModule", { value: true });
  const constants_1 = require("./constants");
  const filter_1 = require("./filter");
  class MetadataStatusFilter extends filter_1.BaseFilter {
      receiveTrailers(status) {
          // tslint:disable-next-line:prefer-const
          let { code, details, metadata } = status;
          if (code !== constants_1.Status.UNKNOWN) {
              // we already have a known status, so don't assign a new one.
              return { code, details, metadata };
          }
          const metadataMap = metadata.getMap();
          if (typeof metadataMap['grpc-status'] === 'string') {
              const receivedCode = Number(metadataMap['grpc-status']);
              if (receivedCode in constants_1.Status) {
                  code = receivedCode;
              }
              metadata.remove('grpc-status');
          }
          if (typeof metadataMap['grpc-message'] === 'string') {
              details = decodeURI(metadataMap['grpc-message']);
              metadata.remove('grpc-message');
          }
          return { code, details, metadata };
      }
  }
  exports.MetadataStatusFilter = MetadataStatusFilter;
  class MetadataStatusFilterFactory {
      constructor(channel) {
          this.channel = channel;
      }
      createFilter(callStream) {
          return new MetadataStatusFilter();
      }
  }
  exports.MetadataStatusFilterFactory = MetadataStatusFilterFactory;
  //# sourceMappingURL=metadata-status-filter.js.map