folder-input

'use client';

import type { Transition, Variants } from 'motion/react';
import type { HTMLAttributes, MouseEvent } from 'react';
import { forwardRef, useCallback, useImperativeHandle, useRef } from 'react';
import { motion, useAnimation } from 'motion/react';

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

export interface FolderInputIconHandle {
  startAnimation: () => void;
  stopAnimation: () => void;
}

interface FolderInputIconProps extends HTMLAttributes<HTMLDivElement> {
  size?: number;
}

const ARROW_VARIANTS: Variants = {
  normal: { x: 0 },
  animate: { x: [0, 2, 0] },
};

const ARROW_TRANSITION: Transition = {
  times: [0, 0.4, 1],
  duration: 0.5,
};

const FolderInputIcon = forwardRef<FolderInputIconHandle, FolderInputIconProps>(
  ({ onMouseEnter, onMouseLeave, className, size = 28, ...props }, ref) => {
    const controls = useAnimation();
    const isControlledRef = useRef(false);

    useImperativeHandle(ref, () => {
      isControlledRef.current = true;
      return {
        startAnimation: () => controls.start('animate'),
        stopAnimation: () => controls.start('normal'),
      };
    });

    const handleMouseEnter = useCallback(
      (event: MouseEvent<HTMLDivElement>) => {
        if (!isControlledRef.current) {
          controls.start('animate');
        } else {
          onMouseEnter?.(event);
        }
      },
      [controls, onMouseEnter]
    );

    const handleMouseLeave = useCallback(
      (event: MouseEvent<HTMLDivElement>) => {
        if (!isControlledRef.current) {
          controls.start('normal');
        } else {
          onMouseLeave?.(event);
        }
      },
      [controls, onMouseLeave]
    );

    return (
      <div
        className={cn(className)}
        onMouseEnter={handleMouseEnter}
        onMouseLeave={handleMouseLeave}
        {...props}
      >
        <svg
          xmlns="http://www.w3.org/2000/svg"
          width={size}
          height={size}
          viewBox="0 0 24 24"
          fill="none"
          stroke="currentColor"
          strokeWidth="2"
          strokeLinecap="round"
          strokeLinejoin="round"
        >
          <path d="M2 9V5a2 2 0 0 1 2-2h3.9a2 2 0 0 1 1.69.9l.81 1.2a2 2 0 0 0 1.67.9H20a2 2 0 0 1 2 2v10a2 2 0 0 1-2 2H4a2 2 0 0 1-2-2v-1" />
          <motion.g
            variants={ARROW_VARIANTS}
            animate={controls}
            initial="normal"
            transition={ARROW_TRANSITION}
          >
            <path d="M2 13h10" />
            <path d="m9 16 3-3-3-3" />
          </motion.g>
        </svg>
      </div>
    );
  }
);

FolderInputIcon.displayName = 'FolderInputIcon';

export { FolderInputIcon };