import { readdir, stat } from 'fs/promises';
import path from 'path';
import { exec } from 'child_process';

const videoExtensions = ['mp4', 'avi', 'mov', 'mkv', 'flv', 'wmv', 'mpeg', 'mpg'];

(async () => {
  try {
    const files = await readdir('.');
    for (const file of files) {
      const stats = await stat(file);
      if (!stats.isFile()) continue;

      const ext = path.extname(file).slice(1).toLowerCase();
      if (videoExtensions.includes(ext) && !file.startsWith('HEVC_')) {
        const newFileName = 'HEVC_' + file;
        const command = `ffmpeg -i "${file}" -c:v hevc_nvenc -preset slow -crf 23 -c:a aac "${newFileName}"`;

        exec(command, (err) => {
          if (err) console.error(`Conversion failed for ${file}: ${err}`);
          else console.log(`Converted ${file} → ${newFileName}`);
        });
      }
    }
  } catch (err) {
    console.error('Error processing files:', err);
  }
})();