interface Props {
  items: { label: string; href?: string }[];
  className?: string;
}

/** 面包屑：层级用 ol，当前位置用 aria-current，分隔符对读屏隐藏 */
export function MinimalBreadcrumb({ items, className = '' }: Props) {
  return (
    <nav aria-label="面包屑" className={className}>
      <ol className="flex flex-wrap items-center gap-1.5 text-xs">
        {items.map((item, i) => {
          const last = i === items.length - 1;
          return (
            <li key={item.label} className="flex items-center gap-1.5 min-w-0">
              {i > 0 && (
                <span aria-hidden="true" className="text-[var(--color-text-subtle)]">
                  /
                </span>
              )}
              {last || !item.href ? (
                <span
                  aria-current={last ? 'page' : undefined}
                  className={`truncate ${last ? 'text-[var(--color-text)]' : 'text-[var(--color-text-muted)]'}`}
                >
                  {item.label}
                </span>
              ) : (
                <a
                  href={item.href}
                  className="
                    truncate px-1 -mx-1 rounded
                    text-[var(--color-text-muted)] hover:text-[var(--color-text)]
                    transition-colors hover:underline
                  "
                >
                  {item.label}
                </a>
              )}
            </li>
          );
        })}
      </ol>
    </nav>
  );
}