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

import * as i18n from '../i18n/i18n.js';
import * as Root from '../root/root.js';
import * as UI from '../ui/ui.js';

// eslint-disable-next-line rulesdir/es_modules_import
import type * as PerformanceMonitor from './performance_monitor.js';

export const UIStrings = {
  /**
  *@description Title of the 'Performance monitor' tool in the bottom drawer
  */
  performanceMonitor: 'Performance monitor',
  /**
 *@description A tag of Performance Monitor that can be searched in the command menu
 */
  performance: 'performance',
  /**
 *@description A tag of Performance Monitor that can be searched in the command menu
 */
  systemMonitor: 'system monitor',
  /**
 *@description A tag of Performance Monitor that can be searched in the command menu
 */
  monitor: 'monitor',
  /**
 *@description A tag of Performance Monitor that can be searched in the command menu
 */
  activity: 'activity',
  /**
 *@description A tag of Performance Monitor that can be searched in the command menu
 */
  metrics: 'metrics',
  /**
  *@description Command for showing the 'Performance monitor' tool in the bottom drawer
  */
  showPerformanceMonitor: 'Show Performance monitor',
};

const str_ = i18n.i18n.registerUIStrings('performance_monitor/performance_monitor-meta.ts', UIStrings);
const i18nString = i18n.i18n.getLazilyComputedLocalizedString.bind(undefined, str_);

let loadedPerformanceMonitorModule: (typeof PerformanceMonitor|undefined);

async function loadPerformanceMonitorModule(): Promise<typeof PerformanceMonitor> {
  if (!loadedPerformanceMonitorModule) {
    // Side-effect import resources in module.json
    await Root.Runtime.Runtime.instance().loadModulePromise('performance_monitor');
    loadedPerformanceMonitorModule = await import('./performance_monitor.js');
  }
  return loadedPerformanceMonitorModule;
}

UI.ViewManager.registerViewExtension({
  location: UI.ViewManager.ViewLocationValues.DRAWER_VIEW,
  id: 'performance.monitor',
  title: i18nString(UIStrings.performanceMonitor),
  commandPrompt: i18nString(UIStrings.showPerformanceMonitor),
  persistence: UI.ViewManager.ViewPersistence.CLOSEABLE,
  order: 100,
  async loadView() {
    const PerformanceMonitor = await loadPerformanceMonitorModule();
    return PerformanceMonitor.PerformanceMonitor.PerformanceMonitorImpl.instance();
  },
  tags: [
    i18nString(UIStrings.performance),
    i18nString(UIStrings.systemMonitor),
    i18nString(UIStrings.monitor),
    i18nString(UIStrings.activity),
    i18nString(UIStrings.metrics),
  ],
});