import * as plugins from '../plugins.js';
import { Speaker, type ITrackInfo, type IPlaybackStatus, type TPlaybackState, type ISpeakerInfo } from './speaker.classes.speaker.js';
import type { IDeviceInfo, IRetryOptions } from '../interfaces/index.js';

/**
 * Sonos zone (room) information
 */
export interface ISonosZoneInfo {
  name: string;
  uuid: string;
  coordinator: boolean;
  groupId: string;
  members: string[];
}

/**
 * Sonos speaker device info
 */
export interface ISonosSpeakerInfo extends ISpeakerInfo {
  protocol: 'sonos';
  zoneName: string;
  zoneUuid: string;
  isCoordinator: boolean;
  groupId?: string;
}

/**
 * Sonos Speaker device
 */
export class SonosSpeaker extends Speaker {
  private device: InstanceType<typeof plugins.sonos.Sonos> | null = null;

  private _zoneName: string = '';
  private _zoneUuid: string = '';
  private _isCoordinator: boolean = false;
  private _groupId?: string;

  constructor(
    info: IDeviceInfo,
    options?: {
      roomName?: string;
      modelName?: string;
    },
    retryOptions?: IRetryOptions
  ) {
    super(info, 'sonos', options, retryOptions);
  }

  // Getters
  public get zoneName(): string {
    return this._zoneName;
  }

  public get zoneUuid(): string {
    return this._zoneUuid;
  }

  public get isCoordinator(): boolean {
    return this._isCoordinator;
  }

  public get groupId(): string | undefined {
    return this._groupId;
  }

  /**
   * Connect to Sonos device
   */
  protected async doConnect(): Promise<void> {
    this.device = new plugins.sonos.Sonos(this.address, this.port);

    // Get device info
    try {
      const zoneInfo = await this.device.getZoneInfo();
      this._zoneName = zoneInfo.ZoneName || '';
      this._roomName = this._zoneName;

      const attrs = await this.device.getZoneAttrs();
      this._zoneUuid = attrs.CurrentZoneName || '';
    } catch (error) {
      // Some info may not be available
    }

    // Get device description
    try {
      const desc = await this.device.deviceDescription();
      this._modelName = desc.modelName;
      this.model = desc.modelName;
      this.manufacturer = desc.manufacturer;
      this.serialNumber = desc.serialNum;
    } catch {
      // Optional info
    }

    // Get current state
    await this.refreshStatus();
  }

  /**
   * Disconnect
   */
  protected async doDisconnect(): Promise<void> {
    this.device = null;
  }

  /**
   * Refresh status
   */
  public async refreshStatus(): Promise<void> {
    if (!this.device) {
      throw new Error('Not connected');
    }

    try {
      const [volume, muted, state] = await Promise.all([
        this.device.getVolume(),
        this.device.getMuted(),
        this.device.getCurrentState(),
      ]);

      this._volume = volume;
      this._muted = muted;
      this._playbackState = this.mapSonosState(state);
    } catch {
      // Status refresh failed
    }

    this.emit('status:updated', this.getSpeakerInfo());
  }

  /**
   * Map Sonos state to our state
   */
  private mapSonosState(state: string): TPlaybackState {
    switch (state.toLowerCase()) {
      case 'playing':
        return 'playing';
      case 'paused':
      case 'paused_playback':
        return 'paused';
      case 'stopped':
        return 'stopped';
      case 'transitioning':
        return 'transitioning';
      default:
        return 'unknown';
    }
  }

  // ============================================================================
  // Playback Control
  // ============================================================================

  /**
   * Play
   */
  public async play(uri?: string): Promise<void> {
    if (!this.device) {
      throw new Error('Not connected');
    }

    if (uri) {
      await this.device.play(uri);
    } else {
      await this.device.play();
    }

    this._playbackState = 'playing';
    this.emit('playback:started');
  }

  /**
   * Pause
   */
  public async pause(): Promise<void> {
    if (!this.device) {
      throw new Error('Not connected');
    }

    await this.device.pause();
    this._playbackState = 'paused';
    this.emit('playback:paused');
  }

  /**
   * Stop
   */
  public async stop(): Promise<void> {
    if (!this.device) {
      throw new Error('Not connected');
    }

    await this.device.stop();
    this._playbackState = 'stopped';
    this.emit('playback:stopped');
  }

  /**
   * Next track
   */
  public async next(): Promise<void> {
    if (!this.device) {
      throw new Error('Not connected');
    }

    await this.device.next();
    this.emit('playback:next');
  }

  /**
   * Previous track
   */
  public async previous(): Promise<void> {
    if (!this.device) {
      throw new Error('Not connected');
    }

    await this.device.previous();
    this.emit('playback:previous');
  }

  /**
   * Seek to position
   */
  public async seek(seconds: number): Promise<void> {
    if (!this.device) {
      throw new Error('Not connected');
    }

    await this.device.seek(seconds);
    this.emit('playback:seeked', { position: seconds });
  }

  // ============================================================================
  // Volume Control
  // ============================================================================

  /**
   * Get volume
   */
  public async getVolume(): Promise<number> {
    if (!this.device) {
      throw new Error('Not connected');
    }

    const volume = await this.device.getVolume();
    this._volume = volume;
    return volume;
  }

  /**
   * Set volume
   */
  public async setVolume(level: number): Promise<void> {
    if (!this.device) {
      throw new Error('Not connected');
    }

    const clamped = Math.max(0, Math.min(100, level));
    await this.device.setVolume(clamped);
    this._volume = clamped;
    this.emit('volume:changed', { volume: clamped });
  }

  /**
   * Get mute state
   */
  public async getMute(): Promise<boolean> {
    if (!this.device) {
      throw new Error('Not connected');
    }

    const muted = await this.device.getMuted();
    this._muted = muted;
    return muted;
  }

  /**
   * Set mute state
   */
  public async setMute(muted: boolean): Promise<void> {
    if (!this.device) {
      throw new Error('Not connected');
    }

    await this.device.setMuted(muted);
    this._muted = muted;
    this.emit('mute:changed', { muted });
  }

  // ============================================================================
  // Track Information
  // ============================================================================

  /**
   * Get current track
   */
  public async getCurrentTrack(): Promise<ITrackInfo | null> {
    if (!this.device) {
      throw new Error('Not connected');
    }

    try {
      const track = await this.device.currentTrack();

      if (!track) return null;

      return {
        title: track.title || 'Unknown',
        artist: track.artist,
        album: track.album,
        duration: track.duration || 0,
        position: track.position || 0,
        albumArtUri: track.albumArtURI || track.albumArtURL,
        uri: track.uri,
      };
    } catch {
      return null;
    }
  }

  /**
   * Get playback status
   */
  public async getPlaybackStatus(): Promise<IPlaybackStatus> {
    if (!this.device) {
      throw new Error('Not connected');
    }

    const [state, volume, muted, track] = await Promise.all([
      this.device.getCurrentState(),
      this.device.getVolume(),
      this.device.getMuted(),
      this.getCurrentTrack(),
    ]);

    return {
      state: this.mapSonosState(state),
      volume,
      muted,
      track: track || undefined,
    };
  }

  // ============================================================================
  // Sonos-specific Features
  // ============================================================================

  /**
   * Play from queue
   */
  public async playFromQueue(index: number): Promise<void> {
    if (!this.device) {
      throw new Error('Not connected');
    }

    await this.device.selectQueue();
    await this.device.selectTrack(index);
    await this.device.play();
  }

  /**
   * Add URI to queue
   */
  public async addToQueue(uri: string, positionInQueue?: number): Promise<void> {
    if (!this.device) {
      throw new Error('Not connected');
    }

    await this.device.queue(uri, positionInQueue);
    this.emit('queue:added', { uri, position: positionInQueue });
  }

  /**
   * Clear queue
   */
  public async clearQueue(): Promise<void> {
    if (!this.device) {
      throw new Error('Not connected');
    }

    await this.device.flush();
    this.emit('queue:cleared');
  }

  /**
   * Get queue contents
   */
  public async getQueue(): Promise<ITrackInfo[]> {
    if (!this.device) {
      throw new Error('Not connected');
    }

    const queue = await this.device.getQueue();

    if (!queue || !queue.items) {
      return [];
    }

    return queue.items.map((item: { title?: string; artist?: string; album?: string; albumArtURI?: string; uri?: string }) => ({
      title: item.title || 'Unknown',
      artist: item.artist,
      album: item.album,
      duration: 0,
      position: 0,
      albumArtUri: item.albumArtURI,
      uri: item.uri,
    }));
  }

  /**
   * Play a Sonos playlist
   */
  public async playPlaylist(playlistName: string): Promise<void> {
    if (!this.device) {
      throw new Error('Not connected');
    }

    const playlists = await this.device.getMusicLibrary('sonos_playlists');
    const playlist = playlists.items?.find((p: { title?: string }) =>
      p.title?.toLowerCase().includes(playlistName.toLowerCase())
    );

    if (playlist && playlist.uri) {
      await this.device.play(playlist.uri);
    } else {
      throw new Error(`Playlist "${playlistName}" not found`);
    }
  }

  /**
   * Play favorite by name
   */
  public async playFavorite(favoriteName: string): Promise<void> {
    if (!this.device) {
      throw new Error('Not connected');
    }

    const favorites = await this.device.getFavorites();
    const favorite = favorites.items?.find((f: { title?: string }) =>
      f.title?.toLowerCase().includes(favoriteName.toLowerCase())
    );

    if (favorite && favorite.uri) {
      await this.device.play(favorite.uri);
    } else {
      throw new Error(`Favorite "${favoriteName}" not found`);
    }
  }

  /**
   * Get favorites
   */
  public async getFavorites(): Promise<{ title: string; uri: string; albumArtUri?: string }[]> {
    if (!this.device) {
      throw new Error('Not connected');
    }

    const favorites = await this.device.getFavorites();

    if (!favorites.items) {
      return [];
    }

    return favorites.items.map((f: { title?: string; uri?: string; albumArtURI?: string }) => ({
      title: f.title || 'Unknown',
      uri: f.uri || '',
      albumArtUri: f.albumArtURI,
    }));
  }

  /**
   * Play TuneIn radio station by ID
   */
  public async playTuneInRadio(stationId: string): Promise<void> {
    if (!this.device) {
      throw new Error('Not connected');
    }

    await this.device.playTuneinRadio(stationId);
  }

  /**
   * Play Spotify URI
   */
  public async playSpotify(spotifyUri: string): Promise<void> {
    if (!this.device) {
      throw new Error('Not connected');
    }

    await this.device.play(spotifyUri);
  }

  // ============================================================================
  // Grouping
  // ============================================================================

  /**
   * Join another speaker's group
   */
  public async joinGroup(coordinatorAddress: string): Promise<void> {
    if (!this.device) {
      throw new Error('Not connected');
    }

    const coordinator = new plugins.sonos.Sonos(coordinatorAddress);
    await this.device.joinGroup(await coordinator.getName());
    this.emit('group:joined', { coordinator: coordinatorAddress });
  }

  /**
   * Leave current group
   */
  public async leaveGroup(): Promise<void> {
    if (!this.device) {
      throw new Error('Not connected');
    }

    await this.device.leaveGroup();
    this.emit('group:left');
  }

  /**
   * Get group information
   */
  public async getGroupInfo(): Promise<ISonosZoneInfo | null> {
    if (!this.device) {
      throw new Error('Not connected');
    }

    try {
      const groups = await this.device.getAllGroups();

      // Find our group
      for (const group of groups) {
        const members = group.ZoneGroupMember || [];
        const memberArray = Array.isArray(members) ? members : [members];

        for (const member of memberArray) {
          if (member.Location?.includes(this.address)) {
            const coordinator = memberArray.find((m: { UUID?: string }) => m.UUID === group.Coordinator);

            return {
              name: group.Name || 'Group',
              uuid: group.Coordinator || '',
              coordinator: member.UUID === group.Coordinator,
              groupId: group.ID || '',
              members: memberArray.map((m: { ZoneName?: string }) => m.ZoneName || ''),
            };
          }
        }
      }
    } catch {
      return null;
    }

    return null;
  }

  // ============================================================================
  // Device Info
  // ============================================================================

  /**
   * Get speaker info
   */
  public getSpeakerInfo(): ISonosSpeakerInfo {
    return {
      id: this.id,
      name: this.name,
      type: 'speaker',
      address: this.address,
      port: this.port,
      status: this.status,
      protocol: 'sonos',
      roomName: this._roomName,
      modelName: this._modelName,
      zoneName: this._zoneName,
      zoneUuid: this._zoneUuid,
      isCoordinator: this._isCoordinator,
      groupId: this._groupId,
      supportsGrouping: true,
      isGroupCoordinator: this._isCoordinator,
    };
  }

  /**
   * Create from discovery
   */
  public static fromDiscovery(
    data: {
      id: string;
      name: string;
      address: string;
      port?: number;
      roomName?: string;
      modelName?: string;
    },
    retryOptions?: IRetryOptions
  ): SonosSpeaker {
    const info: IDeviceInfo = {
      id: data.id,
      name: data.name,
      type: 'speaker',
      address: data.address,
      port: data.port ?? 1400,
      status: 'unknown',
    };

    return new SonosSpeaker(
      info,
      {
        roomName: data.roomName,
        modelName: data.modelName,
      },
      retryOptions
    );
  }

  /**
   * Discover Sonos devices on the network
   */
  public static async discover(timeout: number = 5000): Promise<SonosSpeaker[]> {
    return new Promise((resolve) => {
      const speakers: SonosSpeaker[] = [];
      const discovery = new plugins.sonos.AsyncDeviceDiscovery();

      const timer = setTimeout(() => {
        resolve(speakers);
      }, timeout);

      discovery.discover().then((device: { host: string; port: number }) => {
        clearTimeout(timer);

        const speaker = new SonosSpeaker(
          {
            id: `sonos:${device.host}`,
            name: `Sonos ${device.host}`,
            type: 'speaker',
            address: device.host,
            port: device.port || 1400,
            status: 'unknown',
          }
        );

        speakers.push(speaker);
        resolve(speakers);
      }).catch(() => {
        clearTimeout(timer);
        resolve(speakers);
      });
    });
  }
}