import { MetadataRoute } from 'next';

export default function robots(): MetadataRoute.Robots {
  const baseUrl = process.env.NEXT_PUBLIC_SITE_URL || 'https://canina.ir';
  const isStaging = 
    process.env.NEXT_PUBLIC_APP_ENV === 'staging' ||
    process.env.NODE_ENV !== 'production' ||
    baseUrl.includes('stage') ||
    baseUrl.includes('test') ||
    baseUrl.includes('dev');

  if (isStaging) {
    return {
      rules: {
        userAgent: '*',
        disallow: '/',
      },
    };
  }

  return {
    rules: {
      userAgent: '*',
      allow: '/',
      disallow: [
        '/dashboard/',
        '/checkout/',
        '/profile/',
        '/api/'
      ],
    },
    sitemap: `${baseUrl}/sitemap.xml`,
  };
}