// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

/*
 * Copyright (C) 2008 Nokia Inc.  All rights reserved.
 * Copyright (C) 2013 Samsung Electronics. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

import * as Common from '../../core/common/common.js';
import * as i18n from '../../core/i18n/i18n.js';
import type * as Platform from '../../core/platform/platform.js';
import * as Protocol from '../../generated/protocol.js';
import * as TextUtils from '../../models/text_utils/text_utils.js';
import * as JSON5 from '../../third_party/json5/json5.js';
import * as SourceFrame from '../../ui/legacy/components/source_frame/source_frame.js';
import * as UI from '../../ui/legacy/legacy.js';
import * as VisualLogging from '../../ui/visual_logging/visual_logging.js';

import type {ExtensionStorage} from './ExtensionStorageModel.js';
import {KeyValueStorageItemsView, type View as KeyValueStorageItemsViewFunction} from './KeyValueStorageItemsView.js';

const UIStrings = {
  /**
   * @description Name for the "Extension Storage Items" table that shows the content of the extension Storage.
   */
  extensionStorageItems: 'Extension Storage Items',
  /**
   * @description Text for announcing that the "Extension Storage Items" table was cleared, that is, all
   * entries were deleted.
   */
  extensionStorageItemsCleared: 'Extension Storage Items cleared',
} as const;
const str_ = i18n.i18n.registerUIStrings('panels/application/ExtensionStorageItemsView.ts', UIStrings);
const i18nString = i18n.i18n.getLocalizedString.bind(undefined, str_);

export namespace ExtensionStorageItemsDispatcher {
  export const enum Events {
    ITEM_EDITED = 'ItemEdited',
    ITEMS_REFRESHED = 'ItemsRefreshed',
  }

  export interface EventTypes {
    [Events.ITEM_EDITED]: void;
    [Events.ITEMS_REFRESHED]: void;
  }
}

export class ExtensionStorageItemsView extends KeyValueStorageItemsView {
  #extensionStorage!: ExtensionStorage;
  readonly extensionStorageItemsDispatcher:
      Common.ObjectWrapper.ObjectWrapper<ExtensionStorageItemsDispatcher.EventTypes>;

  constructor(extensionStorage: ExtensionStorage, view?: KeyValueStorageItemsViewFunction) {
    super(
        i18nString(UIStrings.extensionStorageItems), 'extension-storage', true, view, undefined,
        {jslog: `${VisualLogging.pane().context('extension-storage-data')}`, classes: ['storage-view', 'table']});

    this.extensionStorageItemsDispatcher =
        new Common.ObjectWrapper.ObjectWrapper<ExtensionStorageItemsDispatcher.EventTypes>();

    this.setStorage(extensionStorage);
  }

  get #isEditable(): boolean {
    // The managed storage area is always read only, since it exposes values
    // set by enterprise policy.
    return this.#extensionStorage.storageArea !== Protocol.Extensions.StorageArea.Managed;
  }

  /**
   * When parsing a value provided by the user, attempt to treat it as JSON,
   * falling back to a string otherwise.
   */
  parseValue(input: string): unknown {
    try {
      return JSON5.parse(input);
    } catch {
      return input;
    }
  }

  protected removeItem(key: string): void {
    void this.#extensionStorage.removeItem(key).then(() => {
      this.refreshItems();
    });
  }

  protected setItem(key: string, value: string): void {
    void this.#extensionStorage.setItem(key, this.parseValue(value)).then(() => {
      this.refreshItems();
      this.extensionStorageItemsDispatcher.dispatchEventToListeners(ExtensionStorageItemsDispatcher.Events.ITEM_EDITED);
    });
  }

  protected createPreview(key: string, value: string): Promise<UI.Widget.Widget|null> {
    const url = 'extension-storage://' + this.#extensionStorage.extensionId + '/' + this.#extensionStorage.storageArea +
            '/preview/' + key as Platform.DevToolsPath.UrlString;
    const provider = TextUtils.StaticContentProvider.StaticContentProvider.fromString(
        url,
        Common.ResourceType.resourceTypes.XHR,
        value,
    );
    return SourceFrame.PreviewFactory.PreviewFactory.createPreview(
        provider,
        'text/plain',
    );
  }

  setStorage(extensionStorage: ExtensionStorage): void {
    this.#extensionStorage = extensionStorage;

    this.editable = this.#isEditable;

    this.refreshItems();
  }

  #extensionStorageItemsCleared(): void {
    if (!this.isShowing()) {
      return;
    }

    this.itemsCleared();
    UI.ARIAUtils.LiveAnnouncer.alert(i18nString(UIStrings.extensionStorageItemsCleared));
  }

  override deleteSelectedItem(): void {
    if (!this.#isEditable) {
      return;
    }
    this.deleteSelectedItem();
  }

  override refreshItems(): void {
    void this.#refreshItems();
  }

  async #refreshItems(): Promise<void> {
    const items = await this.#extensionStorage.getItems();
    if (!items || !this.toolbar) {
      return;
    }
    const filteredItems =
        Object.entries(items)
            .map(([key, value]) => ({key, value: typeof value === 'string' ? value : JSON.stringify(value)}))
            .filter(item => this.toolbar?.filterRegex?.test(`${item.key} ${item.value}`) ?? true);
    this.showItems(filteredItems);
    this.extensionStorageItemsDispatcher.dispatchEventToListeners(
        ExtensionStorageItemsDispatcher.Events.ITEMS_REFRESHED);
  }

  override deleteAllItems(): void {
    if (!this.#isEditable) {
      return;
    }
    this.#extensionStorage.clear().then(
        () => {
          this.#extensionStorageItemsCleared();
        },
        () => {
          throw new Error('Unable to clear storage.');
        });
  }
}