"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getLoggerStream = getLoggerStream;

var _goodSqueeze = require("good-squeeze");

var _fs = require("fs");

var _log_format_json = _interopRequireDefault(require("./log_format_json"));

var _log_format_string = _interopRequireDefault(require("./log_format_string"));

var _log_interceptor = require("./log_interceptor");

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

/*
 * Licensed to Elasticsearch B.V. under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch B.V. 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.
 */
function getLoggerStream({
  events,
  config
}) {
  const squeeze = new _goodSqueeze.Squeeze(events);
  const format = config.json ? new _log_format_json.default(config) : new _log_format_string.default(config);
  const logInterceptor = new _log_interceptor.LogInterceptor();
  let dest;

  if (config.dest === 'stdout') {
    dest = process.stdout;
  } else {
    dest = (0, _fs.createWriteStream)(config.dest, {
      flags: 'a',
      encoding: 'utf8'
    });
    logInterceptor.on('end', () => {
      dest.end();
    });
  }

  logInterceptor.pipe(squeeze).pipe(format).pipe(dest);
  return logInterceptor;
}