/*
 * Copyright (C) 2024 Huawei Device Co., Ltd.
 * Licensed 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.
 */

/**
 * @file A component which supports applications to select album
 * @kit MediaLibraryKit
 */

import { PickerColorMode } from '@ohos.file.PhotoPickerComponent';
import photoAccessHelper from '@ohos.file.photoAccessHelper';

/**
 * AlbumPickerComponent: can select a certain album and display the images in that album through PhotoPickerComponent
 *
 * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
 * @atomicservice
 * @since 12
 */
@Component
export declare struct AlbumPickerComponent {
  /**
   * AlbumPickerOptions
   *
   * @type { ?AlbumPickerOptions }
   * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
   * @atomicservice
   * @since 12
   */
  albumPickerOptions?: AlbumPickerOptions;

  /**
   * Callback when select an album, will return album uri
   *
   * @type { ?function }
   * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
   * @atomicservice
   * @since 12
   */
  onAlbumClick?: (albumInfo: AlbumInfo) => boolean;

  /**
   * Callback when click the empty area of the album component
   *
   * @type { ?function }
   * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
   * @atomicservice
   * @since 13
   */
  onEmptyAreaClick?: EmptyAreaClickCallback;
}

/**
 * The callback of onEmptyAreaClick event
 *
 * @typedef { function } EmptyAreaClickCallback
 * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
 * @atomicservice
 * @since 13
 */
export type EmptyAreaClickCallback = () => void

/**
 * AlbumPickerOptions Object
 *
 * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
 * @atomicservice
 * @since 12
 */
export declare class AlbumPickerOptions {
  /**
   * AlbumPickerComponent theme color
   *
   * @type { ?PickerColorMode }
   * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
   * @atomicservice
   * @since 12
   */
  themeColorMode?: PickerColorMode;

  /**
   * The type of the content displayed in the album
   *
   * @type { ?photoAccessHelper.PhotoViewMIMETypes }
   * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
   * @atomicservice
   * @since 13
   */
  filterType?: photoAccessHelper.PhotoViewMIMETypes;
}


/**
 * AlbumInfo: include album uri
 *
 * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
 * @atomicservice
 * @since 12
 */
export declare class AlbumInfo {
  /**
   * Album uri
   *
   * @type { ?string }
   * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
   * @atomicservice
   * @since 12
   */
  uri?: string;

  /**
   * Album name
   *
   * @type { ?string }
   * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
   * @atomicservice
   * @since 12
   */
  albumName?: string;
}