import fs from 'fs';
import path from 'path';
import matter from 'gray-matter';

type PostData = { slug: string[]; frontmatter: Record<string, any> };
const CONTENT_DIR = path.join(process.cwd(), 'content');

export function getAllPosts(lang: string): PostData[] {
  const dir = path.join(CONTENT_DIR, lang);
  if (!fs.existsSync(dir)) return [];
  return fs.readdirSync(dir)
    .filter(f => f.endsWith('.md'))
    .map(file => {
      const full = path.join(dir, file);
      const { data } = matter(fs.readFileSync(full, 'utf-8'));
      const slug = file.replace(/\.md$/, '');
      return { slug: [slug], frontmatter: data };
    });
}