'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 = (dir: string): string[] => {
    let results: string[] = [];
    if (!fs.existsSync(dir)) return results;
    const list = fs.readdirSync(dir);
    list.forEach((file) => {
      const filePath = path.join(dir, file);
      const stat = fs.statSync(filePath);
      if (stat && stat.isDirectory()) {
        results = results.concat(walk(filePath));
      } else {
        if (filePath.match(/\.(png|jpg|jpeg|webp|mp4|svg)$/i)) {
          results.push(filePath.replace(publicDir, ''));
        }
      }
    });
    return results;
  };
  const results = walk(publicDir);
  console.log('[Annotator] publicDir:', publicDir);
  console.log('[Annotator] Assets found:', results.length);
  console.log('[Annotator] First 5 paths:', results.slice(0, 5));
    
  return results;
}