import React from 'react';
import { cn } from '@/lib/utils';

/**
 * FormError Component
 * Display error messages with different variants and animations
 */

export interface FormErrorProps {
  errors?: string | string[];
  variant?: 'inline' | 'block' | 'toast';
  className?: string;
  showIcon?: boolean;
  animate?: boolean;
  id?: string;
}

export const FormError: React.FC<FormErrorProps> = ({
  errors,
  variant = 'inline',
  className,
  showIcon = true,
  animate = true,
  id,
}) => {
  if (!errors || (Array.isArray(errors) && errors.length === 0)) {
    return null;
  }

  const errorArray = Array.isArray(errors) ? errors : [errors];
  const hasMultipleErrors = errorArray.length > 1;

  const baseClasses = {
    inline: 'text-sm text-danger mt-1',
    block: 'p-3 bg-danger/10 border border-danger/20 rounded-md text-danger text-sm',
    toast: 'fixed bottom-4 right-4 p-4 bg-danger text-white rounded-lg shadow-lg max-w-md z-tooltip animate-slide-up',
  };

  const animationClasses = animate ? 'animate-fade-in' : '';

  const Icon = () => (
    <svg
      className="w-4 h-4 mr-1 inline-block"
      fill="currentColor"
      viewBox="0 0 20 20"
      aria-hidden="true"
    >
      <path
        fillRule="evenodd"
        d="M10 18a8 8 0 100-16 8 8 0 000 16zM8.707 7.293a1 1 0 00-1.414 1.414L8.586 10l-1.293 1.293a1 1 0 101.414 1.414L10 11.414l1.293 1.293a1 1 0 001.414-1.414L11.414 10l1.293-1.293a1 1 0 00-1.414-1.414L10 8.586 8.707 7.293z"
        clipRule="evenodd"
      />
    </svg>
  );

  return (
    <div
      role="alert"
      aria-live="polite"
      id={id}
      className={cn(
        baseClasses[variant],
        animationClasses,
        'transition-all duration-200',
        className
      )}
    >
      {hasMultipleErrors ? (
        <ul className="list-disc list-inside space-y-1">
          {errorArray.map((error, index) => (
            <li key={index} className="flex items-start">
              {showIcon && <Icon />}
              <span>{error}</span>
            </li>
          ))}
        </ul>
      ) : (
        <div className="flex items-start">
          {showIcon && <Icon />}
          <span>{errorArray[0]}</span>
        </div>
      )}
    </div>
  );
};

FormError.displayName = 'FormError';

export default FormError;