import { FileQuestion, SearchX, AlertCircle, Inbox } from "lucide-react";
import Link from "next/link";

export function EmptyState({
  title = "No results",
  description,
  icon: Icon = Inbox,
  action,
}: {
  title?: string;
  description?: string;
  icon?: typeof Inbox;
  action?: { label: string; href: string };
}) {
  return (
    <div className="text-center py-12 bg-[var(--bg-surface)] border border-[var(--border-color)] rounded-xl shadow-xs space-y-3">
      <div className="w-10 h-10 rounded-xl bg-[var(--bg-elevated)] border border-[var(--border-color)] flex items-center justify-center mx-auto text-[var(--text-muted)]">
        <Icon className="w-5 h-5" />
      </div>
      <h3 className="text-sm font-bold text-[var(--text-primary)]">{title}</h3>
      {description && <p className="text-xs text-[var(--text-muted)] max-w-sm mx-auto leading-relaxed">{description}</p>}
      {action && (
        <Link
          href={action.href}
          className="inline-flex items-center gap-1.5 text-xs bg-[var(--brand)] text-[var(--brand-fg)] px-3 py-1.5 rounded-md font-semibold mt-2"
        >
          {action.label}
        </Link>
      )}
    </div>
  );
}

export function ErrorState({ message, onRetry }: { message?: string; onRetry?: () => void }) {
  return (
    <div className="p-4 rounded-xl border border-amber-500/30 bg-amber-500/10 text-amber-900 dark:text-amber-200 text-xs flex items-start gap-2.5">
      <AlertCircle className="w-4 h-4 shrink-0 mt-0.5" />
      <div className="flex-1 min-w-0">
        <div className="font-semibold">Something went wrong</div>
        {message && <div className="text-[11px] opacity-80 mt-1 break-words">{message}</div>}
      </div>
      {onRetry && (
        <button
          onClick={onRetry}
          type="button"
          className="shrink-0 px-2.5 py-1 rounded bg-[var(--bg-surface)] border border-[var(--border-color)] text-[var(--text-primary)] font-semibold hover:bg-[var(--bg-elevated)]"
        >
          Retry
        </button>
      )}
    </div>
  );
}