import * as plugins from '../plugins.js';
import { Device } from '../abstract/device.abstract.js';
import type { IDeviceInfo, IRetryOptions } from '../interfaces/index.js';

/**
 * Speaker protocol types
 */
export type TSpeakerProtocol = 'sonos' | 'airplay' | 'chromecast' | 'dlna';

/**
 * Playback state
 */
export type TPlaybackState = 'playing' | 'paused' | 'stopped' | 'transitioning' | 'unknown';

/**
 * Track information
 */
export interface ITrackInfo {
  title: string;
  artist?: string;
  album?: string;
  duration: number;      // seconds
  position: number;      // seconds
  albumArtUri?: string;
  uri?: string;
}

/**
 * Speaker playback status
 */
export interface IPlaybackStatus {
  state: TPlaybackState;
  volume: number;        // 0-100
  muted: boolean;
  track?: ITrackInfo;
}

/**
 * Speaker device info
 */
export interface ISpeakerInfo extends IDeviceInfo {
  type: 'speaker';
  protocol: TSpeakerProtocol;
  roomName?: string;
  modelName?: string;
  supportsGrouping?: boolean;
  groupId?: string;
  isGroupCoordinator?: boolean;
}

/**
 * Abstract Speaker base class
 * Common interface for all speaker types (Sonos, AirPlay, Chromecast)
 */
export abstract class Speaker extends Device {
  protected _protocol: TSpeakerProtocol;
  protected _roomName?: string;
  protected _modelName?: string;
  protected _volume: number = 0;
  protected _muted: boolean = false;
  protected _playbackState: TPlaybackState = 'unknown';

  constructor(
    info: IDeviceInfo,
    protocol: TSpeakerProtocol,
    options?: {
      roomName?: string;
      modelName?: string;
    },
    retryOptions?: IRetryOptions
  ) {
    super(info, retryOptions);
    this._protocol = protocol;
    this._roomName = options?.roomName;
    this._modelName = options?.modelName;
  }

  // Getters
  public get protocol(): TSpeakerProtocol {
    return this._protocol;
  }

  public get roomName(): string | undefined {
    return this._roomName;
  }

  public get speakerModelName(): string | undefined {
    return this._modelName;
  }

  public get volume(): number {
    return this._volume;
  }

  public get muted(): boolean {
    return this._muted;
  }

  public get playbackState(): TPlaybackState {
    return this._playbackState;
  }

  // ============================================================================
  // Abstract Methods - Must be implemented by subclasses
  // ============================================================================

  /**
   * Play media from URI
   */
  public abstract play(uri?: string): Promise<void>;

  /**
   * Pause playback
   */
  public abstract pause(): Promise<void>;

  /**
   * Stop playback
   */
  public abstract stop(): Promise<void>;

  /**
   * Next track
   */
  public abstract next(): Promise<void>;

  /**
   * Previous track
   */
  public abstract previous(): Promise<void>;

  /**
   * Seek to position
   */
  public abstract seek(seconds: number): Promise<void>;

  /**
   * Get volume level (0-100)
   */
  public abstract getVolume(): Promise<number>;

  /**
   * Set volume level (0-100)
   */
  public abstract setVolume(level: number): Promise<void>;

  /**
   * Get mute state
   */
  public abstract getMute(): Promise<boolean>;

  /**
   * Set mute state
   */
  public abstract setMute(muted: boolean): Promise<void>;

  /**
   * Get current track info
   */
  public abstract getCurrentTrack(): Promise<ITrackInfo | null>;

  /**
   * Get playback status
   */
  public abstract getPlaybackStatus(): Promise<IPlaybackStatus>;

  // ============================================================================
  // Common Methods
  // ============================================================================

  /**
   * Toggle mute
   */
  public async toggleMute(): Promise<boolean> {
    const currentMute = await this.getMute();
    await this.setMute(!currentMute);
    return !currentMute;
  }

  /**
   * Volume up
   */
  public async volumeUp(step: number = 5): Promise<number> {
    const current = await this.getVolume();
    const newVolume = Math.min(100, current + step);
    await this.setVolume(newVolume);
    return newVolume;
  }

  /**
   * Volume down
   */
  public async volumeDown(step: number = 5): Promise<number> {
    const current = await this.getVolume();
    const newVolume = Math.max(0, current - step);
    await this.setVolume(newVolume);
    return newVolume;
  }

  /**
   * Get speaker info
   */
  public getSpeakerInfo(): ISpeakerInfo {
    return {
      id: this.id,
      name: this.name,
      type: 'speaker',
      address: this.address,
      port: this.port,
      status: this.status,
      protocol: this._protocol,
      roomName: this._roomName,
      modelName: this._modelName,
    };
  }
}