import { Job } from 'bull';

export interface ImageJobData {
  imageUrl: string;
  coverId: string;
  type: 'thumbnail' | 'webp';
}

export interface ImageJobResult {
  success: boolean;
  paths?: string[];
  error?: string;
}

export async function processImageOptimization(job: Job<ImageJobData>): Promise<ImageJobResult> {
  const { imageUrl, coverId, type } = job.data;

  console.log(`[ImageJob ${job.id}] Processing ${type} for cover ${coverId}`);

  await job.progress(0);

  try {
    // Image optimization placeholder - currently a no-op
    // Future: implement thumbnail generation and WebP conversion using sharp

    await job.progress(50);

    console.log(`[ImageJob ${job.id}] Image optimization complete`);

    await job.progress(100);

    return {
      success: true,
      paths: [] // Will contain generated file paths
    };
  } catch (error: any) {
    console.error(`[ImageJob ${job.id}] Optimization failed:`, error);

    return {
      success: false,
      error: error.message || 'Unknown error'
    };
  }
}
