// lib/routing/requireQueryParams.js
// Simple query validator for getServerSideProps

export function requireQueryParams(query, requiredKeys = []) {
    const missing = requiredKeys.filter((k) => !query?.[k]);
    if (missing.length === 0) return { ok: true };

    // Redirect to a generic error page you already have
    // (you can swap this destination later)
    const destination = `/error?missing=${encodeURIComponent(
        missing.join(",")
    )}`;
    return {
        ok: false,
        redirect: {
            destination,
            permanent: false,
        },
        missing,
    };
}