/*
 * Copyright (c) 2022 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
 * @kit BackgroundTasksKit
 */

import { AsyncCallback, Callback } from './@ohos.base';
import { WantAgent } from './@ohos.wantAgent';
import Context from './application/BaseContext';

/**
 * Manages background tasks.
 *
 * @since 7
 * @syscap SystemCapability.ResourceSchedule.BackgroundTaskManager.TransientTask
 * @deprecated since 9
 * @useinstead ohos.resourceschedule.backgroundTaskManager
 */
declare namespace backgroundTaskManager {
  /**
   * The info of delay suspend.
   *
   * @name DelaySuspendInfo
   * @interface DelaySuspendInfo
   * @since 7
   * @syscap SystemCapability.ResourceSchedule.BackgroundTaskManager.TransientTask
   * @deprecated since 9
   * @useinstead ohos.resourceschedule.backgroundTaskManager.DelaySuspendInfo
   */
  interface DelaySuspendInfo {
    /**
     * The unique identifier of the delay request.
     *
     * @since 7
     * @syscap SystemCapability.ResourceSchedule.BackgroundTaskManager.TransientTask
     * @deprecated since 9
     * @useinstead ohos.resourceschedule.backgroundTaskManager.DelaySuspendInfo
     */
    requestId: number;
    /**
     * The actual delay duration (ms).
     *
     * @since 7
     * @syscap SystemCapability.ResourceSchedule.BackgroundTaskManager.TransientTask
     * @deprecated since 9
     * @useinstead ohos.resourceschedule.backgroundTaskManager.DelaySuspendInfo
     */
    actualDelayTime: number;
  }

  /**
   * Cancels delayed transition to the suspended state.
   *
   * @since 7
   * @syscap SystemCapability.ResourceSchedule.BackgroundTaskManager.TransientTask
   * @param { number } requestId Indicates the identifier of the delay request.
   * @deprecated since 9
   * @useinstead ohos.resourceschedule.backgroundTaskManager.cancelSuspendDelay
   */
  function cancelSuspendDelay(requestId: number): void;

  /**
   * Obtains the remaining time before an application enters the suspended state.
   *
   * @param { number } requestId Indicates the identifier of the delay request.
   * @param { AsyncCallback<number> } callback - The callback of the remaining delay time.
   * @syscap SystemCapability.ResourceSchedule.BackgroundTaskManager.TransientTask
   * @since 7
   * @deprecated since 9
   * @useinstead ohos.resourceschedule.backgroundTaskManager.getRemainingDelayTime
   */
  function getRemainingDelayTime(requestId: number, callback: AsyncCallback<number>): void;

  /**
   * Obtains the remaining time before an application enters the suspended state.
   *
   * @param { number } requestId Indicates the identifier of the delay request.
   * @syscap SystemCapability.ResourceSchedule.BackgroundTaskManager.TransientTask
   * @since 7
   * @deprecated since 9
   * @useinstead ohos.resourceschedule.backgroundTaskManager.getRemainingDelayTime
   */
  function getRemainingDelayTime(requestId: number): Promise<number>;

  /**
   * Requests delayed transition to the suspended state.
   *
   * @since 7
   * @syscap SystemCapability.ResourceSchedule.BackgroundTaskManager.TransientTask
   * @param { string } reason Indicates the reason for delayed transition to the suspended state.
   * @param { Callback<void> } callback The callback delay time expired.
   * @returns { DelaySuspendInfo } Info of delay request
   * @deprecated since 9
   * @useinstead ohos.resourceschedule.backgroundTaskManager.requestSuspendDelay
   */
  function requestSuspendDelay(reason: string, callback: Callback<void>): DelaySuspendInfo;

  /**
   * Service ability uses this method to request start running in background.
   * system will publish a notification related to the this service.
   *
   * @permission ohos.permission.KEEP_BACKGROUND_RUNNING
   * @param { Context } context app running context.
   * @param { BackgroundMode } bgMode Indicates which background mode to request.
   * @param { WantAgent } wantAgent Indicates which ability to start when user click the notification bar.
   * @param { AsyncCallback<void> } callback - The callback of the function.
   * @syscap SystemCapability.ResourceSchedule.BackgroundTaskManager.ContinuousTask
   * @since 8
   * @deprecated since 9
   * @useinstead ohos.resourceschedule.backgroundTaskManager.startBackgroundRunning
   */
  function startBackgroundRunning(context: Context, bgMode: BackgroundMode, wantAgent: WantAgent, callback: AsyncCallback<void>): void;

  /**
   * Service ability uses this method to request start running in background.
   * system will publish a notification related to the this service.
   *
   * @permission ohos.permission.KEEP_BACKGROUND_RUNNING
   * @param { Context } context app running context.
   * @param { BackgroundMode } bgMode Indicates which background mode to request.
   * @param { WantAgent } wantAgent Indicates which ability to start when user click the notification bar.
   * @syscap SystemCapability.ResourceSchedule.BackgroundTaskManager.ContinuousTask
   * @since 8
   * @deprecated since 9
   * @useinstead ohos.resourceschedule.backgroundTaskManager.startBackgroundRunning
   */
  function startBackgroundRunning(context: Context, bgMode: BackgroundMode, wantAgent: WantAgent): Promise<void>;

  /**
   * Service ability uses this method to request stop running in background.
   *
   * @param { Context } context - App running context.
   * @param { AsyncCallback<void> } callback - The callback of the function.
   * @syscap SystemCapability.ResourceSchedule.BackgroundTaskManager.ContinuousTask
   * @since 8
   * @deprecated since 9
   * @useinstead ohos.resourceschedule.backgroundTaskManager.stopBackgroundRunning
   */
  function stopBackgroundRunning(context: Context, callback: AsyncCallback<void>): void;

  /**
   * Service ability uses this method to request stop running in background.
   *
   * @param { Context } context - App running context.
   * @syscap SystemCapability.ResourceSchedule.BackgroundTaskManager.ContinuousTask
   * @since 8
   * @deprecated since 9
   * @useinstead ohos.resourceschedule.backgroundTaskManager.stopBackgroundRunning
   */
  function stopBackgroundRunning(context: Context): Promise<void>;

  /**
   * Supported background mode.
   *
   * @enum { number }
   * @since 8
   * @syscap SystemCapability.ResourceSchedule.BackgroundTaskManager.ContinuousTask
   * @deprecated since 9
   * @useinstead ohos.resourceschedule.backgroundTaskManager.BackgroundMode
   */
  export enum BackgroundMode {
    /**
     * data transfer mode
     *
     * @since 8
     * @syscap SystemCapability.ResourceSchedule.BackgroundTaskManager.ContinuousTask
     */
    DATA_TRANSFER = 1,

    /**
     * audio playback mode
     *
     * @since 8
     * @syscap SystemCapability.ResourceSchedule.BackgroundTaskManager.ContinuousTask
     */
    AUDIO_PLAYBACK = 2,

    /**
     * audio recording mode
     *
     * @since 8
     * @syscap SystemCapability.ResourceSchedule.BackgroundTaskManager.ContinuousTask
     */
    AUDIO_RECORDING = 3,

    /**
     * location mode
     *
     * @since 8
     * @syscap SystemCapability.ResourceSchedule.BackgroundTaskManager.ContinuousTask
     */
    LOCATION = 4,

    /**
     * bluetooth interaction mode
     *
     * @since 8
     * @syscap SystemCapability.ResourceSchedule.BackgroundTaskManager.ContinuousTask
     */
    BLUETOOTH_INTERACTION = 5,

    /**
     * multi-device connection mode
     *
     * @since 8
     * @syscap SystemCapability.ResourceSchedule.BackgroundTaskManager.ContinuousTask
     */
    MULTI_DEVICE_CONNECTION = 6,

    /**
     * wifi interaction mode
     *
     * @since 8
     * @syscap SystemCapability.ResourceSchedule.BackgroundTaskManager.ContinuousTask
     * @systemapi Hide this for inner system use.
     */
    WIFI_INTERACTION = 7,

    /**
     * Voice over Internet Phone mode
     *
     * @since 8
     * @syscap SystemCapability.ResourceSchedule.BackgroundTaskManager.ContinuousTask
     * @systemapi Hide this for inner system use.
     */
    VOIP = 8,

    /**
     * background continuous calculate mode, for example 3D render.
     * only supported in particular device
     *
     * @since 8
     * @syscap SystemCapability.ResourceSchedule.BackgroundTaskManager.ContinuousTask
     */
    TASK_KEEPING = 9,
  }
}

export default backgroundTaskManager;