/*
 * 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 MultimodalAwarenessKit
 */

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

/**
 * Declares a namespace that provides APIs to report the device status.
 *
 * @namespace stationary
 * @syscap SystemCapability.Msdp.DeviceStatus.Stationary
 * @since 9
 */
declare namespace stationary {
  /**
   * Declares a response interface to receive the device status.
   *
   * @interface ActivityResponse
   * @syscap SystemCapability.Msdp.DeviceStatus.Stationary
   * @since 9
   */
  interface ActivityResponse {
    /**
     * Declares a response interface to receive the device status.
     *
     * @type { ActivityState }
     * @syscap SystemCapability.Msdp.DeviceStatus.Stationary
     * @since 9
     */
    state: ActivityState;
  }

  /**
   * Declares the device status type.
   *
   * @typedef { 'still' | 'relativeStill' }
   * @syscap SystemCapability.Msdp.DeviceStatus.Stationary
   * @since 9
   */
  type ActivityType = 'still' | 'relativeStill';

  /**
   * Enumerates the device status events.
   *
   * @enum {number}
   * @syscap SystemCapability.Msdp.DeviceStatus.Stationary
   * @since 9
   */
  enum ActivityEvent {
    /**
     * Event indicating entering device status.
     *
     * @syscap SystemCapability.Msdp.DeviceStatus.Stationary
     * @since 9
     */
    ENTER = 1,

    /**
     * Event indicating exiting device status.
     *
     * @syscap SystemCapability.Msdp.DeviceStatus.Stationary
     * @since 9
     */
    EXIT = 2,

    /**
     * Event indicating entering and exiting device status.
     *
     * @syscap SystemCapability.Msdp.DeviceStatus.Stationary
     * @since 9
     */
    ENTER_EXIT = 3
  }

  /**
   * Enumerates the device status state.
   *
   * @enum {number}
   * @syscap SystemCapability.Msdp.DeviceStatus.Stationary
   * @since 9
   */
  enum ActivityState {
    /**
     * Entering device status.
     *
     * @syscap SystemCapability.Msdp.DeviceStatus.Stationary
     * @since 9
     */
    ENTER = 1,

    /**
     * Exiting device status.
     *
     * @syscap SystemCapability.Msdp.DeviceStatus.Stationary
     * @since 9
     */
    EXIT = 2
  }

  /**	
   * Subscribes to the device status.
   *
   * @param { ActivityType } activity Indicates the device status type. For details, see {@code type: ActivityType}.
   * @param { ActivityEvent } event Indicates the device status event.
   * @param { number } reportLatencyNs Indicates the event reporting period.
   * @param { Callback<ActivityResponse> } callback Indicates the callback for receiving reported data.
   * @syscap SystemCapability.Msdp.DeviceStatus.Stationary
   * @since 9
   */
  function on(activity: ActivityType, event: ActivityEvent, reportLatencyNs: number, callback: Callback<ActivityResponse>): void;

  /**
   * Obtains the device status.
   *
   * @param { ActivityType } activity Indicates the device status type. For details, see {@code type: ActivityType}.
   * @param { Callback<ActivityResponse> } callback Indicates the callback for receiving reported data.
   * @syscap SystemCapability.Msdp.DeviceStatus.Stationary
   * @since 9
   */
  function once(activity: ActivityType, callback: Callback<ActivityResponse>): void;

  /**
   * Unsubscribes from the device status.
   *
   * @param { ActivityType } activity Indicates the device status type. For details, see {@code type: ActivityType}.
   * @param { ActivityEvent } event Indicates the device status event.
   * @param { Callback<ActivityResponse> } callback Indicates the callback for receiving reported data.
   * @syscap SystemCapability.Msdp.DeviceStatus.Stationary
   * @since 9
   */
  function off(activity: ActivityType, event: ActivityEvent, callback?: Callback<ActivityResponse>): void;
}

export default stationary;