'use client';

import { OTPInput, OTPInputContext } from 'input-otp';
import Minus from 'lucide-react/dist/esm/icons/minus';
import * as React from 'react';

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

const InputOTP = ({ ref, className, containerClassName, ...props }: React.ComponentPropsWithoutRef<typeof OTPInput> & { ref?: React.RefObject<React.ElementRef<typeof OTPInput> | null> }) => (
  <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 = ({ ref, className, ...props }: React.ComponentPropsWithoutRef<'div'> & { ref?: React.RefObject<React.ElementRef<'div'> | null> }) => (
  <div ref={ref} className={cn('flex items-center', className)} {...props} />
);
InputOTPGroup.displayName = 'InputOTPGroup';

const InputOTPSlot = ({ ref, index, className, ...props }: React.ComponentPropsWithoutRef<'div'> & { index: number } & { ref?: React.RefObject<React.ElementRef<'div'> | null> }) => {
  const inputOTPContext = React.use(OTPInputContext);
  const slot = inputOTPContext.slots[index];
  const { char, hasFakeCaret, isActive } = slot || { char: null, hasFakeCaret: false, isActive: false };

  return (
    <div
      ref={ref}
      className={cn(
        'relative flex h-9 w-9 items-center justify-center border-y border-r border-input text-sm shadow-sm transition-all first:rounded-l-md first:border-l last:rounded-r-md',
        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="h-4 w-px animate-caret-blink bg-foreground duration-1000" />
        </div>
      )}
    </div>
  );
};
InputOTPSlot.displayName = 'InputOTPSlot';

const InputOTPSeparator = ({ ref, ...props }: React.ComponentPropsWithoutRef<'div'> & { ref?: React.RefObject<React.ElementRef<'div'> | null> }) => (
  <div ref={ref} role="separator" {...props}>
    <Minus />
  </div>
);
InputOTPSeparator.displayName = 'InputOTPSeparator';

export { InputOTP, InputOTPGroup, InputOTPSeparator, InputOTPSlot };