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

const PHOTOS_DIR = path.join(process.cwd(), 'public', 'assets', 'photos');

async function optimizeImages() {
  const files = fs.readdirSync(PHOTOS_DIR);
  let optimized = 0;

  for (const file of files) {
    if (!file.match(/\.(jpg|jpeg|png)$/i)) continue;
    
    const filePath = path.join(PHOTOS_DIR, file);
    const metadata = await sharp(filePath).metadata();

    // If image is larger than 1920px wide, or is a massive file
    if ((metadata.width && metadata.width > 1920) || fs.statSync(filePath).size > 1024 * 1024) {
      console.log(`Optimizing ${file} (Width: ${metadata.width}, Size: ${Math.round(fs.statSync(filePath).size / 1024)}KB)`);
      
      const tmpPath = `${filePath}.tmp`;
      try {
        await sharp(filePath)
          .resize({ width: 1920, withoutEnlargement: true })
          .jpeg({ quality: 80, progressive: true })
          .toFile(tmpPath);
        
        fs.renameSync(tmpPath, filePath);
        console.log(`✅ Optimized ${file} (New Size: ${Math.round(fs.statSync(filePath).size / 1024)}KB)`);
        optimized++;
      } catch (err) {
        console.error(`Failed to optimize ${file}`, err);
        if (fs.existsSync(tmpPath)) fs.unlinkSync(tmpPath);
      }
    }
  }

  console.log(`Finished optimizing ${optimized} images.`);
}

optimizeImages();