import type { UnifiProtect } from './classes.unifi-protect.js';
import type {
  IProtectCamera,
  IProtectCameraChannel,
  IProtectRecordingSettings,
  IProtectSmartDetectSettings,
  IProtectIspSettings,
  IProtectFeatureFlags,
  IProtectCameraStats,
} from './interfaces/index.js';

/**
 * Represents a UniFi Protect camera
 */
export class UnifiCamera implements IProtectCamera {
  /** Reference to parent protect instance */
  private protect?: UnifiProtect;

  // IProtectCamera properties
  public id: string;
  public mac: string;
  public host: string;
  public name: string;
  public type: string;
  public modelKey?: string;
  public state: 'CONNECTED' | 'DISCONNECTED' | 'CONNECTING' | 'ADOPTING' | 'MANAGED';
  public hardwareRevision?: string;
  public firmwareVersion?: string;
  public firmwareBuild?: string;
  public isUpdating?: boolean;
  public isAdopting?: boolean;
  public isManaged?: boolean;
  public isConnected?: boolean;
  public isRecording?: boolean;
  public isMotionDetected?: boolean;
  public isDark?: boolean;
  public recordingSettings?: IProtectRecordingSettings;
  public smartDetectSettings?: IProtectSmartDetectSettings;
  public ispSettings?: IProtectIspSettings;
  public micVolume?: number;
  public speakerVolume?: number;
  public lastMotion?: number;
  public lastRing?: number;
  public uptime?: number;
  public connectedSince?: number;
  public upSince?: number;
  public lastSeen?: number;
  public channels?: IProtectCameraChannel[];
  public featureFlags?: IProtectFeatureFlags;
  public stats?: IProtectCameraStats;

  constructor() {
    this.id = '';
    this.mac = '';
    this.host = '';
    this.name = '';
    this.type = '';
    this.state = 'DISCONNECTED';
  }

  /**
   * Create a camera instance from API response object
   */
  public static createFromApiObject(
    apiObject: IProtectCamera,
    protect?: UnifiProtect
  ): UnifiCamera {
    const camera = new UnifiCamera();
    Object.assign(camera, apiObject);
    camera.protect = protect;
    return camera;
  }

  /**
   * Get the raw API object representation
   */
  public toApiObject(): IProtectCamera {
    return {
      id: this.id,
      mac: this.mac,
      host: this.host,
      name: this.name,
      type: this.type,
      modelKey: this.modelKey,
      state: this.state,
      hardwareRevision: this.hardwareRevision,
      firmwareVersion: this.firmwareVersion,
      firmwareBuild: this.firmwareBuild,
      isUpdating: this.isUpdating,
      isAdopting: this.isAdopting,
      isManaged: this.isManaged,
      isConnected: this.isConnected,
      isRecording: this.isRecording,
      isMotionDetected: this.isMotionDetected,
      isDark: this.isDark,
      recordingSettings: this.recordingSettings,
      smartDetectSettings: this.smartDetectSettings,
      ispSettings: this.ispSettings,
      micVolume: this.micVolume,
      speakerVolume: this.speakerVolume,
      lastMotion: this.lastMotion,
      lastRing: this.lastRing,
      uptime: this.uptime,
      connectedSince: this.connectedSince,
      upSince: this.upSince,
      lastSeen: this.lastSeen,
      channels: this.channels,
      featureFlags: this.featureFlags,
      stats: this.stats,
    };
  }

  /**
   * Check if camera is online
   */
  public isOnline(): boolean {
    return this.state === 'CONNECTED' && this.isConnected === true;
  }

  /**
   * Check if camera is a doorbell
   */
  public isDoorbell(): boolean {
    return this.type.toLowerCase().includes('doorbell');
  }

  /**
   * Check if camera has smart detection capability
   */
  public hasSmartDetect(): boolean {
    return this.featureFlags?.hasSmartDetect === true;
  }

  /**
   * Get RTSP stream URL for a channel
   */
  public getRtspUrl(channelId: number = 0): string | null {
    const channel = this.channels?.find((c) => c.id === channelId);
    if (!channel || !channel.isRtspEnabled || !channel.rtspAlias) {
      return null;
    }

    // RTSP URL format: rtsp://{host}:7447/{rtspAlias}
    return `rtsp://${this.host}:7447/${channel.rtspAlias}`;
  }

  /**
   * Get the high quality channel
   */
  public getHighQualityChannel(): IProtectCameraChannel | null {
    // Channel 0 is typically the highest quality
    return this.channels?.find((c) => c.id === 0) || null;
  }

  /**
   * Get the medium quality channel
   */
  public getMediumQualityChannel(): IProtectCameraChannel | null {
    // Channel 1 is typically medium quality
    return this.channels?.find((c) => c.id === 1) || null;
  }

  /**
   * Get the low quality channel
   */
  public getLowQualityChannel(): IProtectCameraChannel | null {
    // Channel 2 is typically low quality
    return this.channels?.find((c) => c.id === 2) || null;
  }

  /**
   * Update camera settings
   */
  public async updateSettings(settings: Partial<IProtectCamera>): Promise<void> {
    if (!this.protect) {
      throw new Error('Cannot update camera: no protect reference');
    }

    await this.protect.request('PATCH', `/cameras/${this.id}`, settings);

    // Update local state
    Object.assign(this, settings);
  }

  /**
   * Set recording mode
   */
  public async setRecordingMode(
    mode: 'always' | 'detections' | 'never' | 'schedule'
  ): Promise<void> {
    await this.updateSettings({
      recordingSettings: {
        ...this.recordingSettings,
        mode,
      },
    });
  }

  /**
   * Enable/disable smart detection types
   */
  public async setSmartDetectTypes(types: string[]): Promise<void> {
    await this.updateSettings({
      smartDetectSettings: {
        ...this.smartDetectSettings,
        objectTypes: types,
      },
    });
  }

  /**
   * Set microphone volume
   */
  public async setMicVolume(volume: number): Promise<void> {
    const clampedVolume = Math.max(0, Math.min(100, volume));
    await this.updateSettings({ micVolume: clampedVolume });
  }

  /**
   * Set speaker volume
   */
  public async setSpeakerVolume(volume: number): Promise<void> {
    const clampedVolume = Math.max(0, Math.min(100, volume));
    await this.updateSettings({ speakerVolume: clampedVolume });
  }

  /**
   * Rename the camera
   */
  public async rename(newName: string): Promise<void> {
    await this.updateSettings({ name: newName });
  }

  /**
   * Restart the camera
   */
  public async restart(): Promise<void> {
    if (!this.protect) {
      throw new Error('Cannot restart camera: no protect reference');
    }

    await this.protect.request('POST', `/cameras/${this.id}/reboot`);
  }

  /**
   * Get snapshot URL
   */
  public getSnapshotUrl(): string {
    if (!this.protect) {
      throw new Error('Cannot get snapshot URL: no protect reference');
    }

    return `/proxy/protect/api/cameras/${this.id}/snapshot`;
  }

  /**
   * Check if camera has motion in the last N seconds
   */
  public hasRecentMotion(seconds: number = 60): boolean {
    if (!this.lastMotion) return false;

    const now = Date.now();
    const motionAge = (now - this.lastMotion) / 1000;
    return motionAge <= seconds;
  }

  /**
   * Get time since last motion in seconds
   */
  public getTimeSinceLastMotion(): number | null {
    if (!this.lastMotion) return null;

    return Math.floor((Date.now() - this.lastMotion) / 1000);
  }
}