'use server';
import fs from 'fs';
import path from 'path';

export async function getAnnotatorAssets() {
  // Try /app/public first (docker), then process.cwd()/public
  let publicDir = '/app/public';
  if (!fs.existsSync(publicDir)) {
    publicDir = path.join(process.cwd(), 'public');
  }
  
  const walk = async (dir: string): Promise<string[]> => {
    let results: string[] = [];
    if (!fs.existsSync(dir)) return results;
    
    const list = await fs.promises.readdir(dir);
    for (const file of list) {
      const filePath = path.join(dir, file);
      const stat = await fs.promises.stat(filePath);
      if (stat && stat.isDirectory()) {
        const nested = await walk(filePath);
        results = results.concat(nested);
      } else {
        if (filePath.match(/\.(png|jpg|jpeg|webp|mp4|svg)$/i)) {
          results.push(filePath.replace(publicDir, ''));
        }
      }
    }
    return results;
  };
  
  const results = await walk(publicDir);
  
  // Console logs removed for absolute silence & speed
  return results;
}