import { NextResponse } from 'next/server';
import fs from 'fs';
import path from 'path';
import { getPostsDirectory } from '@/lib/postsDirectory';

const postsDirectory = getPostsDirectory();

function getFolderStats(folderPath: string) {
  const fullPath = path.join(postsDirectory, folderPath);
  let items = 0;
  let size = 0;
  let created = '';
  try {
    const stat = fs.statSync(fullPath);
    created = stat.birthtime.toISOString();
    const walk = (dir: string) => {
      const files = fs.readdirSync(dir);
      for (const file of files) {
        const filePath = path.join(dir, file);
        const stats = fs.statSync(filePath);
        if (stats.isDirectory()) {
          walk(filePath);
        } else {
          items++;
          size += stats.size;
        }
      }
    };
    walk(fullPath);
  } catch {
    // ignore errors
  }
  return { created, items, size };
}

export async function GET(request: Request) {
  const { searchParams } = new URL(request.url);
  const folderPath = searchParams.get('path') || '';
  const stats = getFolderStats(folderPath);
  return NextResponse.json(stats);
}