import type { MetadataRoute } from 'next'
const base = process.env.NEXT_PUBLIC_SITE_URL ?? 'https://anwarpi.ai'

/* Owner decision: allow all named search/AI crawlers explicitly. The `*`
   group keeps its `/api` disallow; the named groups opt back into the
   public content APIs and the llms.txt feeds. */
const AI_BOTS = [
  'GPTBot',
  'OAI-SearchBot',
  'ChatGPT-User',
  'ClaudeBot',
  'Claude-User',
  'Claude-SearchBot',
  'PerplexityBot',
  'Google-Extended',
  'Applebot',
  'Bingbot',
]

export default function robots(): MetadataRoute.Robots {
  return {
    rules: [
      ...AI_BOTS.map(userAgent => ({
        userAgent,
        allow: ['/', '/api/posts', '/llms.txt', '/llms-full.txt'],
      })),
      {
        userAgent: '*',
        allow: '/',
        disallow: ['/admin', '/api', '/account-settings', '/onboarding', '/vip-onboarding', '/verify-email', '/payment-success', '/payment-cancelled', '/forgot-password'],
      },
    ],
    sitemap: `${base}/sitemap.xml`,
  }
}