import { Component } from 'react';

export = RNTrackPlayer;

declare namespace RNTrackPlayer {

  export type EventType =
    | "playback-state"
    | "playback-error"
    | "playback-queue-ended"
    | "playback-track-changed"
    | "remote-play"
    | "remote-play-id"
    | "remote-play-search"
    | "remote-pause"
    | "remote-stop"
    | "remote-skip"
    | "remote-next"
    | "remote-previous"
    | "remote-jump-forward"
    | "remote-jump-backward"
    | "remote-seek"
    | "remote-set-rating"
    | "remote-duck";

  export type TrackType =
    | "default"
    | "dash"
    | "hls"
    | "smoothstreaming";

  type ResourceObject = any;

  type State = string | number;
  type RatingType = string | number;
  type Capability = string | number;
  type PitchAlgorithm = string | number;

  type EventHandler = (type: EventType, ...args: any[]) => void;
  export function registerEventHandler(handler: EventHandler): void;

  type ServiceHandler = () => Promise<void>;
  export function registerPlaybackService(serviceFactory: () => ServiceHandler): void;

  type EmitterSubscription = { remove: () => void; };
  export function addEventListener(type: EventType, listener: (data: any) => void): EmitterSubscription;

  export interface TrackMetadata {
    duration?: number;
    title: string;
    artist: string;
    album?: string;
    description?: string;
    genre?: string;
    date?: string;
    rating?: number | boolean;
    artwork?: string | ResourceObject;
  }

  export interface Track extends TrackMetadata {
    id: string;
    url: string | ResourceObject;
    type?: TrackType;
    userAgent?: string;
    contentType?: string;
    pitchAlgorithm?: PitchAlgorithm;
    [key: string]: any;
  }

  export interface PlayerOptions {
    minBuffer?: number;
    maxBuffer?: number;
    playBuffer?: number;
    maxCacheSize?: number;
    iosCategory?: 'playback' | 'playAndRecord' | 'multiRoute' | 'ambient' | 'soloAmbient' | 'record';
    iosCategoryMode?: 'default' | 'gameChat' | 'measurement' | 'moviePlayback' | 'spokenAudio' | 'videoChat' | 'videoRecording' | 'voiceChat' | 'voicePrompt';
    iosCategoryOptions?: Array<'mixWithOthers' | 'duckOthers' | 'interruptSpokenAudioAndMixWithOthers' | 'allowBluetooth' | 'allowBluetoothA2DP' | 'allowAirPlay' | 'defaultToSpeaker'>;
    waitForBuffer?: boolean;
  }

  export interface MetadataOptions {
    ratingType?: RatingType;
    jumpInterval?: number;
    stopWithApp?: boolean;

    capabilities?: Capability[];
    notificationCapabilities?: Capability[];
    compactCapabilities?: Capability[];

    icon?: ResourceObject;
    playIcon?: ResourceObject;
    pauseIcon?: ResourceObject;
    stopIcon?: ResourceObject;
    previousIcon?: ResourceObject;
    nextIcon?: ResourceObject;
    rewindIcon?: ResourceObject;
    forwardIcon?: ResourceObject;
    color?: number;
  }

  // General

  export function setupPlayer(options?: PlayerOptions): Promise<void>;
  export function destroy(): void;
  export function updateOptions(options: MetadataOptions): void;

  // Player Queue Commands

  export function add(tracks: Track | Track[], insertBeforeId?: string): Promise<void>;
  export function remove(trackIds: string | string[]): Promise<void>;
  export function skip(trackId: string): Promise<void>;
  export function skipToNext(): Promise<void>;
  export function skipToPrevious(): Promise<void>;
  export function updateMetadataForTrack(id: string, metadata: TrackMetadata) : Promise<void>;
  export function removeUpcomingTracks(): Promise<void>;

  // Player Playback Commands

  export function reset(): Promise<void>;
  export function play(): Promise<void>;
  export function pause(): Promise<void>;
  export function stop(): Promise<void>;
  export function seekTo(seconds: number): Promise<void>;
  export function setVolume(level: number): Promise<void>;
  export function setRate(rate: number): Promise<void>;

  // Player Getters

  export function getQueue(): Promise<Track[]>;
  export function getTrack(id: string): Promise<Track>;
  export function getCurrentTrack(): Promise<string>;
  export function getVolume(): Promise<number>;
  export function getDuration(): Promise<number>;
  export function getPosition(): Promise<number>;
  export function getBufferedPosition(): Promise<number>;
  export function getState(): Promise<State>;
  export function getRate(): Promise<number>;

  // Components

  export interface ProgressComponentState {
    position: number;
    bufferedPosition: number;
    duration: number;
  }

  export class ProgressComponent<P = {}, S = {}> extends Component<P, ProgressComponentState & S> {
    public getProgress: () => number;
    public getBufferedProgress: () => number;
  }

  // Constants

  export const STATE_NONE: State;
  export const STATE_PLAYING: State;
  export const STATE_PAUSED: State;
  export const STATE_STOPPED: State;
  export const STATE_BUFFERING: State;
  export const STATE_READY: State;

  export const RATING_HEART: RatingType;
  export const RATING_THUMBS_UP_DOWN: RatingType;
  export const RATING_3_STARS: RatingType;
  export const RATING_4_STARS: RatingType;
  export const RATING_5_STARS: RatingType;
  export const RATING_PERCENTAGE: RatingType;

  export const CAPABILITY_PLAY: Capability;
  export const CAPABILITY_PLAY_FROM_ID: Capability;
  export const CAPABILITY_PLAY_FROM_SEARCH: Capability;
  export const CAPABILITY_PAUSE: Capability;
  export const CAPABILITY_STOP: Capability;
  export const CAPABILITY_SEEK_TO: Capability;
  export const CAPABILITY_SKIP: Capability;
  export const CAPABILITY_SKIP_TO_NEXT: Capability;
  export const CAPABILITY_SKIP_TO_PREVIOUS: Capability;
  export const CAPABILITY_SET_RATING: Capability;
  export const CAPABILITY_JUMP_FORWARD: Capability;
  export const CAPABILITY_JUMP_BACKWARD: Capability;

  export const PITCH_ALGORITHM_LINEAR: PitchAlgorithm;
  export const PITCH_ALGORITHM_MUSIC: PitchAlgorithm;
  export const PITCH_ALGORITHM_VOICE: PitchAlgorithm;

}