// Licensed to Cloudera, Inc. under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  Cloudera, Inc. 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.

import isFullScreen from './isFullScreen';

interface FullScreenDocument extends Document {
  msExitFullscreen?: Document['exitFullscreen'];
  mozCancelFullScreen?: Document['exitFullscreen'];
  webkitExitFullscreen?: Document['exitFullscreen'];
}

const exitFullScreen = async (): Promise<void> => {
  if (!isFullScreen()) {
    return;
  }
  if (document.exitFullscreen) {
    return document.exitFullscreen();
  }
  const mixedBrowserElement = document as FullScreenDocument;
  if (mixedBrowserElement.msExitFullscreen) {
    return mixedBrowserElement.msExitFullscreen();
  }
  if (mixedBrowserElement.mozCancelFullScreen) {
    return mixedBrowserElement.mozCancelFullScreen();
  }
  if (mixedBrowserElement.webkitExitFullscreen) {
    return mixedBrowserElement.webkitExitFullscreen();
  }
};

export default exitFullScreen;