packages/client/src/components/InputOTP.tsx

import * as React from 'react';
import { OTPInput, OTPInputContext } from 'input-otp';
import { Minus } from 'lucide-react';
import { cn } from '~/utils';

const InputOTP = React.forwardRef<
  React.ElementRef<typeof OTPInput>,
  React.ComponentPropsWithoutRef<typeof OTPInput>
>(({ className, containerClassName, ...props }, ref) => (
  <OTPInput
    ref={ref}
    containerClassName={cn(
      'flex items-center gap-2 has-[:disabled]:opacity-50',
      containerClassName,
    )}
    className={cn('disabled:cursor-not-allowed', className)}
    {...props}
  />
));
InputOTP.displayName = 'InputOTP';

const InputOTPGroup = React.forwardRef<
  React.ElementRef<'div'>,
  React.ComponentPropsWithoutRef<'div'>
>(({ className, ...props }, ref) => (
  <div ref={ref} className={cn('flex items-center', className)} {...props} />
));
InputOTPGroup.displayName = 'InputOTPGroup';

const InputOTPSlot = React.forwardRef<
  React.ElementRef<'div'>,
  React.ComponentPropsWithoutRef<'div'> & { index: number }
>(({ index, className, ...props }, ref) => {
  const inputOTPContext = React.useContext(OTPInputContext);

  if (!inputOTPContext) {
    throw new Error('InputOTPSlot must be used within an OTPInput');
  }

  const { char, hasFakeCaret, isActive } = inputOTPContext.slots[index];

  return (
    <div
      ref={ref}
      className={cn(
        'text-md relative flex h-11 w-11 items-center justify-center border-y border-r border-input shadow-sm transition-all first:rounded-l-xl first:border-l last:rounded-r-xl',
        isActive && 'z-10 ring-1 ring-ring',
        className,
      )}
      {...props}
    >
      {char}
      {hasFakeCaret && (
        <div className="pointer-events-none absolute inset-0 flex items-center justify-center">
          <div className="animate-caret-blink h-4 w-px bg-foreground duration-1000" />
        </div>
      )}
    </div>
  );
});
InputOTPSlot.displayName = 'InputOTPSlot';

const InputOTPSeparator = React.forwardRef<
  React.ElementRef<'div'>,
  React.ComponentPropsWithoutRef<'div'>
>(({ ...props }, ref) => (
  <div ref={ref} role="separator" {...props}>
    <Minus />
  </div>
));
InputOTPSeparator.displayName = 'InputOTPSeparator';

export { InputOTP, InputOTPGroup, InputOTPSlot, InputOTPSeparator };