import { clsx, type ClassValue } from 'clsx';
import { twMerge } from 'tailwind-merge';

export function cn(...inputs: ClassValue[]) {
  return twMerge(clsx(inputs));
}

/**
 * Normalize a Next.js dynamic-route param into its decoded human-readable
 * form. App Router usually decodes params automatically, but some runtime
 * + middleware combinations leak percent-encoded values for non-ASCII
 * slugs (e.g. Hebrew `%D7%A7…`), which then surface in canonical URLs and
 * SEO tags. Idempotent on already-decoded input.
 */
export function decodeSlug(slug: string): string {
  try {
    return decodeURIComponent(slug);
  } catch {
    return slug;
  }
}