/*
 * Copyright (c) 2023 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.
 */

import { AsyncCallback, Callback } from './@ohos.base';

/**
 * Provide the capabilities to use different pickers.
 *
 * @namespace picker
 * @syscap SystemCapability.FileManagement.UserFileService
 * @since 9
 */
declare namespace picker {
  /**
   * PhotoViewMIMETypes represents the type of media resource that photo picker selects.
   *
   * @enum { string } PhotoViewMIMETypes
   * @syscap SystemCapability.FileManagement.UserFileService
   * @since 9
   */
  export enum PhotoViewMIMETypes {
    IMAGE_TYPE = 'image/*',
    VIDEO_TYPE = 'video/*',
    IMAGE_VIDEO_TYPE = '*/*'
  }

  /**
   * PhotoSelectOptions Object
   *
   * @syscap SystemCapability.FileManagement.UserFileService
   * @since 9
   */
  class PhotoSelectOptions {
    /**
     * The Type of the file in the picker window.
     *
     * @type { ?PhotoViewMIMETypes }
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 9
     */
    MIMEType?: PhotoViewMIMETypes;

    /**
     * Maximum number of images for a single selection.
     *
     * @type { ?number }
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 9
     */
    maxSelectNumber?: number;
  }

  /**
   * PhotoSelectResult Object
   *
   * @syscap SystemCapability.FileManagement.UserFileService
   * @since 9
   */
  class PhotoSelectResult {
    /**
     * The uris for the selected files.
     *
     * @type { Array<string> }
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 9
     */
    photoUris: Array<string>;

    /**
     * Original option.
     *
     * @type { boolean }
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 9
     */
    isOriginalPhoto: boolean;
  }

  /**
   * PhotoSaveOptions Object
   *
   * @syscap SystemCapability.FileManagement.UserFileService
   * @since 9
   */
  class PhotoSaveOptions {
    /**
     * The names of the files to be saved.
     *
     * @type { ?Array<string> }
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 9
     */
    newFileNames?: Array<string>;
  }

  /**
   * PhotoViewPicker Object
   *
   * @syscap SystemCapability.FileManagement.UserFileService
   * @since 9
   */
  class PhotoViewPicker {
    /**
     * Pull up the photo picker based on the selection mode.
     *
     * @param { PhotoSelectOptions } option - represents the options provided in select mode.
     * @returns { Promise<PhotoSelectResult> } Returns the uris for the selected files.
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 9
     */
    select(option?: PhotoSelectOptions): Promise<PhotoSelectResult>;

    /**
     * Pull up the photo picker based on the selection mode.
     *
     * @param { PhotoSelectOptions } option - represents the options provided in select mode.
     * @param { AsyncCallback<PhotoSelectResult> } callback - callback
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 9
     */
    select(option: PhotoSelectOptions, callback: AsyncCallback<PhotoSelectResult>): void;

    /**
     * Pull up the photo picker based on the selection mode.
     *
     * @param { AsyncCallback<PhotoSelectResult> } callback - callback
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 9
     */
    select(callback: AsyncCallback<PhotoSelectResult>): void;

    /**
     * Pull up the photo picker based on the save mode.
     *
     * @param { PhotoSaveOptions } option - represents the options provided in save mode.
     * @returns { Promise<Array<string>> } Returns the uris for the saved files.
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 9
     */
    save(option?: PhotoSaveOptions): Promise<Array<string>>;

    /**
     * Pull up the photo picker based on the save mode.
     *
     * @param { PhotoSaveOptions } option - represents the options provided in save mode.
     * @param { AsyncCallback<Array<string>> } callback - callback
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 9
     */
    save(option: PhotoSaveOptions, callback: AsyncCallback<Array<string>>): void;

    /**
     * Pull up the photo picker based on the save mode.
     *
     * @param { AsyncCallback<Array<string>> } callback - callback
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 9
     */
    save(callback: AsyncCallback<Array<string>>): void;
  }

  /**
   * DocumentSelectOptions Object.
   *
   * @syscap SystemCapability.FileManagement.UserFileService
   * @since 9
   */
  class DocumentSelectOptions {
    /**
     * The default opening uri of the picker window.
     *
     * @type { ?string }
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 10
     */
    defaultFilePathUri?: string;

    /**
     * Suffixes for file selected.
     *
     * @type { ?Array<string> }
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 10
     */
    fileSuffixFilters?: Array<string>;

    /**
     * Maximum number of files for a single selection.
     *
     * @type { ?number }
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 10
     */
    maxSelectNumber?: number;
  }

  /**
   * DocumentSaveOptions Object
   *
   * @syscap SystemCapability.FileManagement.UserFileService
   * @since 9
   */
  class DocumentSaveOptions {
    /**
     * The names of the files to be saved.
     * Currently, only single file is supported.
     *
     * @type { ?Array<string> }
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 9
     */
    newFileNames?: Array<string>;

    /**
     * The default opening uri of the picker window.
     *
     * @type { ?string }
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 10
     */
    defaultFilePathUri?: string;

    /**
     * Suffixes for file saved.
     *
     * @type { ?Array<string> }
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 10
     */
    fileSuffixChoices?: Array<string>;
  }

  /**
   * DocumentViewPicker Object
   *
   * @syscap SystemCapability.FileManagement.UserFileService
   * @since 9
   */
  class DocumentViewPicker {
    /**
     * Pull up the document picker based on the selection mode.
     * Currently, only single file is supported.
     *
     * @param { DocumentSelectOptions } option - represents the options provided in select mode.
     * @returns { Promise<Array<string>> } Returns the uris for the selected files.
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 9
     */
    select(option?: DocumentSelectOptions): Promise<Array<string>>;

    /**
     * Pull up the document picker based on the selection mode.
     * Currently, only single file is supported.
     *
     * @param { DocumentSelectOptions } option - represents the options provided in select mode.
     * @param { AsyncCallback<Array<string>> } callback - callback
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 9
     */
    select(option: DocumentSelectOptions, callback: AsyncCallback<Array<string>>): void;

    /**
     * Pull up the document picker based on the selection mode.
     * Currently, only single file is supported.
     *
     * @param { AsyncCallback<Array<string>> } callback - callback
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 9
     */
    select(callback: AsyncCallback<Array<string>>): void;

    /**
     * Pull up the document picker based on the save mode.
     * Currently, only single file is supported.
     *
     * @param { DocumentSaveOptions } option - represents the options provided in save mode.
     * @returns { Promise<Array<string>> } Returns the uris for the saved files.
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 9
     */
    save(option?: DocumentSaveOptions): Promise<Array<string>>;

    /**
     * Pull up the document picker based on the save mode.
     * Currently, only single file is supported.
     *
     * @param { DocumentSaveOptions } option - represents the options provided in save mode.
     * @param { AsyncCallback<Array<string>> } callback - callback
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 9
     */
    save(option: DocumentSaveOptions, callback: AsyncCallback<Array<string>>): void;

    /**
     * Pull up the document picker based on the save mode.
     * Currently, only single file is supported.
     *
     * @param { AsyncCallback<Array<string>> } callback - callback
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 9
     */
    save(callback: AsyncCallback<Array<string>>): void;
  }

  /**
   * AudioSelectOptions Object. Currently not supported.
   *
   * @syscap SystemCapability.FileManagement.UserFileService
   * @since 9
   */
  class AudioSelectOptions {}

  /**
   * AudioSaveOptions Object
   *
   * @syscap SystemCapability.FileManagement.UserFileService
   * @since 9
   */
  class AudioSaveOptions {
    /**
     * The names of the files to be saved.
     * Currently, only single file is supported.
     *
     * @type { ?Array<string> }
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 9
     */
    newFileNames?: Array<string>;
  }

  /**
   * AudioViewPicker Object
   *
   * @syscap SystemCapability.FileManagement.UserFileService
   * @since 9
   */
  class AudioViewPicker {
    /**
     * Pull up the audio picker based on the selection mode.
     * Currently, only single file is supported.
     *
     * @param { AudioSelectOptions } option - represents the options provided in select mode.
     * @returns { Promise<Array<string>> } Returns the uris for the selected files.
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 9
     */
    select(option?: AudioSelectOptions): Promise<Array<string>>;

    /**
     * Pull up the audio picker based on the selection mode.
     * Currently, only single file is supported.
     *
     * @param { AudioSelectOptions } option - represents the options provided in select mode.
     * @param { AsyncCallback<Array<string>> } callback - callback
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 9
     */
    select(option: AudioSelectOptions, callback: AsyncCallback<Array<string>>): void;

    /**
     * Pull up the audio picker based on the selection mode.
     * Currently, only single file is supported.
     *
     * @param { AsyncCallback<Array<string>> } callback - callback
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 9
     */
    select(callback: AsyncCallback<Array<string>>): void;

    /**
     * Pull up the audio picker based on the save mode.
     * Currently, only single file is supported.
     *
     * @param { AudioSaveOptions } option - represents the options provided in save mode.
     * @returns { Promise<Array<string>> } Returns the uris for the saved files.
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 9
     */
    save(option?: AudioSaveOptions): Promise<Array<string>>;

    /**
     * Pull up the audio picker based on the save mode.
     * Currently, only single file is supported.
     *
     * @param { AudioSaveOptions } option - represents the options provided in save mode.
     * @param { AsyncCallback<Array<string>> } callback - callback
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 9
     */
    save(option: AudioSaveOptions, callback: AsyncCallback<Array<string>>): void;

    /**
     * Pull up the audio picker based on the save mode.
     * Currently, only single file is supported.
     *
     * @param { AsyncCallback<Array<string>> } callback - callback
     * @syscap SystemCapability.FileManagement.UserFileService
     * @since 9
     */
    save(callback: AsyncCallback<Array<string>>): void;
  }
}

export default picker;