import type { UnifiProtect } from './classes.unifi-protect.js';
import { UnifiCamera } from './classes.camera.js';
import type { IProtectCamera, IProtectMotionEvent } from './interfaces/index.js';
import { logger } from './unifi.logger.js';

/**
 * Manager for UniFi Protect cameras
 */
export class CameraManager {
  private protect: UnifiProtect;

  constructor(protect: UnifiProtect) {
    this.protect = protect;
  }

  /**
   * List all cameras
   */
  public async listCameras(): Promise<UnifiCamera[]> {
    logger.log('debug', 'Fetching cameras from Protect');

    const cameras = this.protect.getCamerasFromBootstrap();
    return cameras.map((cameraData) =>
      UnifiCamera.createFromApiObject(cameraData, this.protect)
    );
  }

  /**
   * Get a camera by ID
   */
  public async getCameraById(cameraId: string): Promise<UnifiCamera | null> {
    const cameras = await this.listCameras();
    return cameras.find((camera) => camera.id === cameraId) || null;
  }

  /**
   * Get a camera by MAC address
   */
  public async getCameraByMac(mac: string): Promise<UnifiCamera | null> {
    const normalizedMac = mac.toLowerCase().replace(/[:-]/g, ':');
    const cameras = await this.listCameras();
    return cameras.find((camera) => camera.mac.toLowerCase() === normalizedMac) || null;
  }

  /**
   * Find a camera by name
   */
  public async getCameraByName(name: string): Promise<UnifiCamera | null> {
    const cameras = await this.listCameras();
    return cameras.find(
      (camera) => camera.name.toLowerCase() === name.toLowerCase()
    ) || null;
  }

  /**
   * Get online cameras only
   */
  public async getOnlineCameras(): Promise<UnifiCamera[]> {
    const cameras = await this.listCameras();
    return cameras.filter((camera) => camera.isOnline());
  }

  /**
   * Get offline cameras only
   */
  public async getOfflineCameras(): Promise<UnifiCamera[]> {
    const cameras = await this.listCameras();
    return cameras.filter((camera) => !camera.isOnline());
  }

  /**
   * Get doorbells only
   */
  public async getDoorbells(): Promise<UnifiCamera[]> {
    const cameras = await this.listCameras();
    return cameras.filter((camera) => camera.isDoorbell());
  }

  /**
   * Get cameras with smart detection
   */
  public async getSmartDetectCameras(): Promise<UnifiCamera[]> {
    const cameras = await this.listCameras();
    return cameras.filter((camera) => camera.hasSmartDetect());
  }

  /**
   * Get cameras currently recording
   */
  public async getRecordingCameras(): Promise<UnifiCamera[]> {
    const cameras = await this.listCameras();
    return cameras.filter((camera) => camera.isRecording === true);
  }

  /**
   * Get cameras with recent motion
   */
  public async getCamerasWithRecentMotion(seconds: number = 60): Promise<UnifiCamera[]> {
    const cameras = await this.listCameras();
    return cameras.filter((camera) => camera.hasRecentMotion(seconds));
  }

  /**
   * Update camera settings
   */
  public async updateCamera(
    cameraId: string,
    settings: Partial<IProtectCamera>
  ): Promise<void> {
    logger.log('info', `Updating camera: ${cameraId}`);

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

  /**
   * Get motion events for a camera
   */
  public async getMotionEvents(
    cameraId: string,
    options: { start?: number; end?: number; limit?: number } = {}
  ): Promise<IProtectMotionEvent[]> {
    logger.log('debug', `Fetching motion events for camera: ${cameraId}`);

    const params = new URLSearchParams();
    params.append('cameras', cameraId);
    if (options.start) params.append('start', options.start.toString());
    if (options.end) params.append('end', options.end.toString());
    if (options.limit) params.append('limit', options.limit.toString());

    const response = await this.protect.request<IProtectMotionEvent[] | { data: IProtectMotionEvent[] }>(
      'GET',
      `/events?${params.toString()}`
    );

    // Handle both array and {data: [...]} response formats
    return Array.isArray(response) ? response : (response?.data || []);
  }

  /**
   * Get all recent motion events
   */
  public async getAllMotionEvents(
    options: { start?: number; end?: number; limit?: number } = {}
  ): Promise<IProtectMotionEvent[]> {
    logger.log('debug', 'Fetching all motion events');

    const params = new URLSearchParams();
    if (options.start) params.append('start', options.start.toString());
    if (options.end) params.append('end', options.end.toString());
    if (options.limit) params.append('limit', options.limit.toString());

    const queryString = params.toString() ? `?${params.toString()}` : '';
    const response = await this.protect.request<IProtectMotionEvent[] | { data: IProtectMotionEvent[] }>(
      'GET',
      `/events${queryString}`
    );

    // Handle both array and {data: [...]} response formats
    return Array.isArray(response) ? response : (response?.data || []);
  }

  /**
   * Get snapshot for a camera
   */
  public async getSnapshot(
    cameraId: string,
    options: { width?: number; height?: number; ts?: number } = {}
  ): Promise<ArrayBuffer> {
    logger.log('debug', `Fetching snapshot for camera: ${cameraId}`);

    const params = new URLSearchParams();
    if (options.width) params.append('w', options.width.toString());
    if (options.height) params.append('h', options.height.toString());
    if (options.ts) params.append('ts', options.ts.toString());

    const queryString = params.toString() ? `?${params.toString()}` : '';

    // Note: This returns binary data, may need different handling
    const response = await this.protect.request<ArrayBuffer>(
      'GET',
      `/cameras/${cameraId}/snapshot${queryString}`
    );

    return response;
  }

  /**
   * Set recording mode for all cameras
   */
  public async setAllRecordingMode(
    mode: 'always' | 'detections' | 'never' | 'schedule'
  ): Promise<void> {
    logger.log('info', `Setting all cameras to recording mode: ${mode}`);

    const cameras = await this.listCameras();
    const updatePromises = cameras.map((camera) =>
      this.updateCamera(camera.id, {
        recordingSettings: {
          ...camera.recordingSettings,
          mode,
        },
      })
    );

    await Promise.all(updatePromises);
  }

  /**
   * Adopt a camera
   */
  public async adoptCamera(mac: string): Promise<void> {
    logger.log('info', `Adopting camera: ${mac}`);

    await this.protect.request('POST', '/cameras/adopt', {
      mac: mac.toLowerCase(),
    });
  }

  /**
   * Remove a camera
   */
  public async removeCamera(cameraId: string): Promise<void> {
    logger.log('info', `Removing camera: ${cameraId}`);

    await this.protect.request('DELETE', `/cameras/${cameraId}`);
  }
}