import type { ReactNode } from 'react';

export interface LoadingSpinnerProps {
  size?: 'sm' | 'md' | 'lg';
  className?: string;
}

export function LoadingSpinner({ size = 'md', className = '' }: LoadingSpinnerProps): ReactNode {
  const sizeClasses = {
    sm: 'w-4 h-4',
    md: 'w-8 h-8',
    lg: 'w-12 h-12',
  };

  return (
    <div className={`${sizeClasses[size]} ${className}`} role="status" aria-label="Loading">
      <svg
        className="animate-spin"
        style={{ color: 'var(--color-primary, currentColor)' }}
        xmlns="http://www.w3.org/2000/svg"
        fill="none"
        viewBox="0 0 24 24"
      >
        <circle
          className="opacity-25"
          cx="12"
          cy="12"
          r="10"
          stroke="currentColor"
          strokeWidth="4"
        />
        <path
          className="opacity-75"
          fill="currentColor"
          d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
        />
      </svg>
    </div>
  );
}