linkedin

'use client';

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

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

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

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

const PATH_VARIANTS: Variants = {
  normal: {
    opacity: 1,
    pathLength: 1,
    pathOffset: 0,
    transition: {
      duration: 0.4,
      opacity: { duration: 0.1 },
    },
  },
  animate: {
    opacity: [0, 1],
    pathLength: [0, 1],
    pathOffset: [1, 0],
    transition: {
      duration: 0.6,
      ease: 'linear',
      opacity: { duration: 0.1 },
    },
  },
};

const RECT_VARIANTS: Variants = {
  normal: {
    opacity: 1,
    pathLength: 1,
    pathOffset: 0,
    transition: {
      duration: 0.4,
      opacity: { duration: 0.1 },
    },
  },
  animate: {
    opacity: [0, 1],
    pathLength: [0, 1],
    pathOffset: [1, 0],
    transition: {
      duration: 0.6,
      ease: 'linear',
      opacity: { duration: 0.1 },
    },
  },
};

const CIRCLE_VARIANTS: Variants = {
  normal: {
    opacity: 1,
    pathLength: 1,
    pathOffset: 0,
    transition: {
      duration: 0.4,
      opacity: { duration: 0.1 },
    },
  },
  animate: {
    opacity: [0, 1],
    pathLength: [0, 1],
    pathOffset: [1, 0],
    transition: {
      duration: 0.6,
      ease: 'linear',
      opacity: { duration: 0.1 },
    },
  },
};

const LinkedinIcon = forwardRef<LinkedinIconHandle, LinkedinIconProps>(
  ({ onMouseEnter, onMouseLeave, className, size = 28, ...props }, ref) => {
    const pathControls = useAnimation();
    const rectControls = useAnimation();
    const circleControls = useAnimation();

    const isControlledRef = useRef(false);

    useImperativeHandle(ref, () => {
      isControlledRef.current = true;

      return {
        startAnimation: () => {
          pathControls.start('animate');
          rectControls.start('animate');
          circleControls.start('animate');
        },
        stopAnimation: () => {
          pathControls.start('normal');
          rectControls.start('normal');
          circleControls.start('normal');
        },
      };
    });

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

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

    return (
      <div
        className={cn(className)}
        onMouseEnter={handleMouseEnter}
        onMouseLeave={handleMouseLeave}
        {...props}
      >
        <svg
          xmlns="http://www.w3.org/2000/svg"
          width={size}
          height={size}
          fill="none"
          stroke="currentColor"
          strokeWidth="2"
          strokeLinecap="round"
          strokeLinejoin="round"
          viewBox="0 0 24 24"
        >
          <motion.path
            variants={PATH_VARIANTS}
            initial="normal"
            animate={pathControls}
            d="M16 8a6 6 0 0 1 6 6v7h-4v-7a2 2 0 0 0-2-2 2 2 0 0 0-2 2v7h-4v-7a6 6 0 0 1 6-6z"
          />
          <motion.rect
            variants={RECT_VARIANTS}
            initial="normal"
            animate={rectControls}
            x="2"
            y="9"
            width="4"
            height="12"
          />
          <motion.circle
            variants={CIRCLE_VARIANTS}
            initial="normal"
            animate={circleControls}
            cx="4"
            cy="4"
            r="2"
          />
        </svg>
      </div>
    );
  }
);

LinkedinIcon.displayName = 'LinkedinIcon';

export { LinkedinIcon };