import { createRequire } from 'node:module';

const require = createRequire(import.meta.url);

try {
  const { default: sharp } = await import('sharp');
  if (process.argv.includes('--require-source') && !Object.keys(require.cache).some(file => /sharp[/\\]src[/\\]build[/\\]Release[/\\].+\.node$/.test(file))) {
    throw new Error('Expected the source-built Sharp binding; refusing to use a prebuilt fallback');
  }
  for (const format of ['jpeg', 'png', 'webp']) {
    const input = await sharp({ create: { width: 8, height: 8, channels: 3, background: '#336699' } }).toFormat(format).toBuffer();
    const metadata = await sharp(input).metadata();
    if (metadata.format !== format || metadata.width !== 8 || metadata.height !== 8) {
      throw new Error(`${format} encode/decode verification failed`);
    }
  }
  console.log(`Sharp ${sharp.versions.sharp}, libvips ${sharp.versions.vips}: JPEG, PNG and WebP passed.`);
} catch (error) {
  console.error('Sharp image runtime failed:', error);
  process.exit(1);
}