import fs from 'fs';
import path from 'path';
import sharp from 'sharp';

const PUBLIC_DIR = path.join(process.cwd(), 'public');
const IMAGES_TO_PROCESS = [
  '/assets/photos/DJI_0048.JPG',
  '/assets/videos/web/hero-bahnkreuzung-poster.jpg',
  '/assets/videos/web/hero-bohrung-poster.jpg',
  '/assets/videos/web/hero-kabelpflug-poster.jpg',
  '/assets/videos/web/hero-messe-poster.jpg',
];

async function generatePlaceholders() {
  const placeholders: Record<string, string> = {};

  for (const imagePath of IMAGES_TO_PROCESS) {
    const fullPath = path.join(PUBLIC_DIR, imagePath);
    if (!fs.existsSync(fullPath)) {
      console.warn(`File not found: ${fullPath}`);
      continue;
    }

    try {
      const buffer = await sharp(fullPath)
        .resize(10, 10, { fit: 'inside' })
        .blur(2) // Adding slight blur
        .webp({ quality: 20 })
        .toBuffer();
      
      const base64 = `data:image/webp;base64,${buffer.toString('base64')}`;
      placeholders[imagePath] = base64;
      console.log(`Generated placeholder for ${imagePath}`);
    } catch (e) {
      console.error(`Failed to generate placeholder for ${imagePath}`, e);
    }
  }

  const outputPath = path.join(process.cwd(), 'lib', 'placeholders.json');
  fs.writeFileSync(outputPath, JSON.stringify(placeholders, null, 2));
  console.log(`Saved placeholders to ${outputPath}`);
}

generatePlaceholders();