import { NextResponse } from 'next/server';

export async function GET() {
    const baseUrl = process.env.NEXT_PUBLIC_BASE_URL || 'https://your-domain.com';

    const robotsTxt = `User-agent: *
Allow: /
Disallow: /api/
Disallow: /admin/
Disallow: /_next/

Sitemap: ${baseUrl}/sitemap.xml
Host: ${baseUrl}`;

    return new NextResponse(robotsTxt, {
        status: 200,
        headers: {
            'Content-Type': 'text/plain',
            'Cache-Control': 'public, max-age=86400, s-maxage=86400',
        },
    });
}