import { forwardRef, useContext } from 'react';
import { OTPInput, OTPInputContext } from 'input-otp';
import { Dot } from 'lucide-react';

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

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

const InputOTPSlot = forwardRef(({ index, className, ...props }, ref) => {
	const inputOTPContext = useContext(OTPInputContext);
	const { char, hasFakeCaret, isActive } = inputOTPContext.slots[index];

	return (
		<div
			ref={ref}
			className={cn(
				'relative flex h-10 w-10 items-center justify-center border-y border-r border-input text-sm transition-all first:rounded-l-md first:border-l last:rounded-r-md',
				isActive && 'z-10 ring-2 ring-ring ring-offset-background',
				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 = forwardRef(({ ...props }, ref) => (
	<div ref={ref} role="separator" {...props}>
		<Dot />
	</div>
));
InputOTPSeparator.displayName = 'InputOTPSeparator';

export { InputOTP, InputOTPGroup, InputOTPSlot, InputOTPSeparator };