import { type ReactNode, type ElementType } from 'react';
import { cn } from '@/lib/utils';
import { Button } from '@/components/ui/button';

interface EmptyStateProps {
  icon?: ElementType;
  title: string;
  description?: string;
  action?: {
    label: string;
    onClick: () => void;
  };
  className?: string;
}

/**
 * Centered empty-state pattern with icon, title, description, and optional CTA.
 * Used when a list or table has no data.
 */
export function EmptyState({ icon: Icon, title, description, action, className }: EmptyStateProps) {
  return (
    <div
      className={cn(
        'flex flex-col items-center justify-center text-center py-16 px-4',
        className,
      )}
    >
      {Icon && (
        <div className="w-12 h-12 rounded-full bg-muted flex items-center justify-center mb-4">
          <Icon className="w-6 h-6 text-muted-foreground" />
        </div>
      )}
      <h3 className="text-base font-semibold text-foreground mb-1">{title}</h3>
      {description && (
        <p className="text-sm text-muted-foreground max-w-sm mb-4">{description}</p>
      )}
      {action && (
        <Button onClick={action.onClick} size="sm">
          {action.label}
        </Button>
      )}
    </div>
  );
}