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

import type * as Profiler from './profiler.js';

let loadedProfilerModule: (typeof Profiler|undefined);

const UIStrings = {
  /**
   * @description Title for the profiler tab
   */
  memory: 'Memory',
  /**
   * @description Text in the Shortcuts page to explain a keyboard shortcut (start/stop recording performance)
   */
  startStopRecording: 'Start/stop recording',
  /**
   * @description Command for showing the profiler tab
   */
  showMemory: 'Show Memory',
  /**
   * @description Tooltip text that appears when hovering over the largeicon clear button in the Profiles Panel of a profiler tool
   */
  clearAllProfiles: 'Clear all profiles',
  /**
   * @description Tooltip text that appears when hovering over the largeicon download button
   */
  saveProfile: 'Save profile…',
  /**
   * @description Tooltip text that appears when hovering over the largeicon load button
   */
  loadProfile: 'Load profile…',
  /**
   * @description Command for deleting a profile in the Profiler panel
   */
  deleteProfile: 'Delete profile',
} as const;
const str_ = i18n.i18n.registerUIStrings('panels/profiler/profiler-meta.ts', UIStrings);
const i18nLazyString = i18n.i18n.getLazilyComputedLocalizedString.bind(undefined, str_);

async function loadProfilerModule(): Promise<typeof Profiler> {
  if (!loadedProfilerModule) {
    loadedProfilerModule = await import('./profiler.js');
  }
  return loadedProfilerModule;
}

function maybeRetrieveContextTypes<T = unknown>(getClassCallBack: (profilerModule: typeof Profiler) => T[]): T[] {
  if (loadedProfilerModule === undefined) {
    return [];
  }
  return getClassCallBack(loadedProfilerModule);
}

UI.ViewManager.registerViewExtension({
  location: UI.ViewManager.ViewLocationValues.PANEL,
  id: 'heap-profiler',
  commandPrompt: i18nLazyString(UIStrings.showMemory),
  title: i18nLazyString(UIStrings.memory),
  order: 60,
  async loadView() {
    const Profiler = await loadProfilerModule();
    return Profiler.HeapProfilerPanel.HeapProfilerPanel.instance();
  },
});

UI.ActionRegistration.registerActionExtension({
  actionId: 'profiler.heap-toggle-recording',
  category: UI.ActionRegistration.ActionCategory.MEMORY,
  iconClass: UI.ActionRegistration.IconClass.START_RECORDING,
  title: i18nLazyString(UIStrings.startStopRecording),
  toggleable: true,
  toggledIconClass: UI.ActionRegistration.IconClass.STOP_RECORDING,
  toggleWithRedColor: true,
  contextTypes() {
    return maybeRetrieveContextTypes(Profiler => [Profiler.HeapProfilerPanel.HeapProfilerPanel]);
  },
  async loadActionDelegate() {
    const Profiler = await loadProfilerModule();
    return Profiler.HeapProfilerPanel.HeapProfilerPanel.instance();
  },
  bindings: [
    {
      platform: UI.ActionRegistration.Platforms.WINDOWS_LINUX,
      shortcut: 'Ctrl+E',
    },
    {
      platform: UI.ActionRegistration.Platforms.MAC,
      shortcut: 'Meta+E',
    },
  ],
});

UI.ActionRegistration.registerActionExtension({
  actionId: 'profiler.clear-all',
  category: UI.ActionRegistration.ActionCategory.MEMORY,
  iconClass: UI.ActionRegistration.IconClass.CLEAR,
  contextTypes() {
    return maybeRetrieveContextTypes(Profiler => [Profiler.ProfilesPanel.ProfilesPanel]);
  },
  async loadActionDelegate() {
    const Profiler = await loadProfilerModule();
    return new Profiler.ProfilesPanel.ActionDelegate();
  },
  title: i18nLazyString(UIStrings.clearAllProfiles),
});

UI.ActionRegistration.registerActionExtension({
  actionId: 'profiler.load-from-file',
  category: UI.ActionRegistration.ActionCategory.MEMORY,
  iconClass: UI.ActionRegistration.IconClass.IMPORT,
  contextTypes() {
    return maybeRetrieveContextTypes(Profiler => [Profiler.ProfilesPanel.ProfilesPanel]);
  },
  async loadActionDelegate() {
    const Profiler = await loadProfilerModule();
    return new Profiler.ProfilesPanel.ActionDelegate();
  },
  title: i18nLazyString(UIStrings.loadProfile),
  bindings: [
    {
      platform: UI.ActionRegistration.Platforms.WINDOWS_LINUX,
      shortcut: 'Ctrl+O',
    },
    {
      platform: UI.ActionRegistration.Platforms.MAC,
      shortcut: 'Meta+O',
    },
  ],
});

UI.ActionRegistration.registerActionExtension({
  actionId: 'profiler.save-to-file',
  category: UI.ActionRegistration.ActionCategory.MEMORY,
  iconClass: UI.ActionRegistration.IconClass.DOWNLOAD,
  contextTypes() {
    return maybeRetrieveContextTypes(Profiler => [Profiler.ProfileHeader.ProfileHeader]);
  },
  async loadActionDelegate() {
    const Profiler = await loadProfilerModule();
    return new Profiler.ProfilesPanel.ActionDelegate();
  },
  title: i18nLazyString(UIStrings.saveProfile),
  bindings: [
    {
      platform: UI.ActionRegistration.Platforms.WINDOWS_LINUX,
      shortcut: 'Ctrl+S',
    },
    {
      platform: UI.ActionRegistration.Platforms.MAC,
      shortcut: 'Meta+S',
    },
  ],
});

UI.ActionRegistration.registerActionExtension({
  actionId: 'profiler.delete-profile',
  category: UI.ActionRegistration.ActionCategory.MEMORY,
  iconClass: UI.ActionRegistration.IconClass.DOWNLOAD,
  contextTypes() {
    return maybeRetrieveContextTypes(Profiler => [Profiler.ProfileHeader.ProfileHeader]);
  },
  async loadActionDelegate() {
    const Profiler = await loadProfilerModule();
    return new Profiler.ProfilesPanel.ActionDelegate();
  },
  title: i18nLazyString(UIStrings.deleteProfile),
});

UI.ContextMenu.registerProvider({
  contextTypes() {
    return [
      SDK.RemoteObject.RemoteObject,
    ];
  },
  async loadProvider() {
    const Profiler = await loadProfilerModule();
    return Profiler.HeapProfilerPanel.HeapProfilerPanel.instance();
  },
});

UI.ContextMenu.registerItem({
  location: UI.ContextMenu.ItemLocation.PROFILER_MENU_DEFAULT,
  actionId: 'profiler.save-to-file',
  order: 10,
});

UI.ContextMenu.registerItem({
  location: UI.ContextMenu.ItemLocation.PROFILER_MENU_DEFAULT,
  actionId: 'profiler.delete-profile',
  order: 11,
});