// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import * as i18n from '../../core/i18n/i18n.js';
import * as UI from '../../ui/legacy/legacy.js';

import type * as Media from './media.js';

const UIStrings = {
  /**
   * @description Text that appears on a button for the media resource type filter.
   */
  media: 'Media',
  /**
   * @description The type of media. Lower case.
   */
  video: 'video',
  /**
   * @description Command for showing the media tool.
   */
  showMedia: 'Show Media',
} as const;
const str_ = i18n.i18n.registerUIStrings('panels/media/media-meta.ts', UIStrings);
const i18nLazyString = i18n.i18n.getLazilyComputedLocalizedString.bind(undefined, str_);

let loadedMediaModule: (typeof Media|undefined);

async function loadMediaModule(): Promise<typeof Media> {
  if (!loadedMediaModule) {
    loadedMediaModule = await import('./media.js');
  }
  return loadedMediaModule;
}

UI.ViewManager.registerViewExtension({
  location: UI.ViewManager.ViewLocationValues.PANEL,
  id: 'medias',
  title: i18nLazyString(UIStrings.media),
  commandPrompt: i18nLazyString(UIStrings.showMedia),
  persistence: UI.ViewManager.ViewPersistence.CLOSEABLE,
  order: 100,
  async loadView() {
    const Media = await loadMediaModule();
    return new Media.MainView.MainView();
  },
  tags: [
    i18nLazyString(UIStrings.media),
    i18nLazyString(UIStrings.video),
  ],
});