import { NextResponse } from 'next/server';

import { env } from '@/lib/env';

/**
 * GET /api/public/health
 *
 * Public-facing health probe. Used by the marketing-website server on
 * startup to verify it's pointed at a CRM matching its own deployment
 * env (plan §14.8 critical: prevent staging-website-talking-to-prod-CRM).
 *
 * Returns the CRM's `NODE_ENV` and `APP_URL` so the website can do a
 * strict equality check before serving any request.
 */
export function GET(): Response {
  return NextResponse.json(
    {
      status: 'ok',
      env: env.NODE_ENV,
      appUrl: env.APP_URL,
      timestamp: new Date().toISOString(),
    },
    { headers: { 'cache-control': 'no-store' } },
  );
}