components/ui/spinner.tsx

import React from 'react';

interface SpinnerProps {
  className?: string;
  size?: 'sm' | 'md' | 'lg';
  finished?: boolean;
}

export default function Spinner({ className = '', size = 'md', finished = false }: SpinnerProps) {
  if (finished) {
    // Return a checkmark or completed state
    return (
      <div className={`${className}`}>
        ✓
      </div>
    );
  }
  const sizeClasses = {
    sm: 'h-4 w-4',
    md: 'h-20 w-20',
    lg: 'h-8 w-8'
  };

  return (
    <div className={`${sizeClasses[size]} ${className}`}>
      <svg
        className="animate-spin"
        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>
  );
}