// @ts-nocheck
'use client';
import { motion, useMotionValueEvent, useScroll } from 'framer-motion';
import React, { useEffect, useRef, useState } from 'react';
import { cn } from '../../lib/utils';

export const StickyScroll = ({
  content,
  contentClassName,
}: {
  content: {
    title: string;
    description: string;
    content?: React.ReactNode | any;
  }[];
  contentClassName?: string;
}) => {
  const [activeCard, setActiveCard] = React.useState(0);
  const ref = useRef<any>(null);
  const { scrollYProgress } = useScroll({
    // uncomment line 22 and comment line 23 if you DONT want the overflow container and want to have it change on the entire page scroll
    // target: ref
    container: ref,
    offset: ['start start', 'end start'],
  });
  const cardLength = content.length;

  useMotionValueEvent(scrollYProgress, 'change', (latest) => {
    const cardsBreakpoints = content.map((_, index) => index / cardLength);
    const closestBreakpointIndex = cardsBreakpoints.reduce((acc, breakpoint, index) => {
      const distance = Math.abs(latest - breakpoint);
      if (distance < Math.abs(latest - cardsBreakpoints[acc])) {
        return index;
      }
      return acc;
    }, 0);
    setActiveCard(closestBreakpointIndex);
  });

  const backgroundColors = ['var(--slate-900)', 'var(--black)', 'var(--neutral-900)'];
  const linearGradients = [
    'linear-gradient(to bottom right, var(--cyan-500), var(--emerald-500))',
    'linear-gradient(to bottom right, var(--pink-500), var(--indigo-500))',
    'linear-gradient(to bottom right, var(--orange-500), var(--yellow-500))',
  ];

  const [backgroundGradient, setBackgroundGradient] = useState(linearGradients[0]);

  useEffect(() => {
    setBackgroundGradient(linearGradients[activeCard % linearGradients.length]);
  }, [activeCard]);

  return (
    <motion.div
      animate={{
        backgroundColor: backgroundColors[activeCard % backgroundColors.length],
      }}
      className='relative flex h-[30rem] justify-center space-x-10 overflow-y-auto rounded-md p-10'
      ref={ref}
    >
      <div className='div relative flex items-start px-4'>
        <div className='max-w-2xl'>
          {content.map((item, index) => (
            <div key={item.title + index} className='my-20'>
              <motion.h2
                initial={{
                  opacity: 0,
                }}
                animate={{
                  opacity: activeCard === index ? 1 : 0.3,
                }}
                className='text-2xl font-bold text-slate-100'
              >
                {item.title}
              </motion.h2>
              <motion.p
                initial={{
                  opacity: 0,
                }}
                animate={{
                  opacity: activeCard === index ? 1 : 0.3,
                }}
                className='text-kg mt-10 max-w-sm text-slate-300'
              >
                {item.description}
              </motion.p>
            </div>
          ))}
          <div className='h-40' />
        </div>
      </div>
      <div
        style={{ background: backgroundGradient }}
        className={cn(
          'sticky top-10 hidden h-60 w-80 overflow-hidden rounded-md bg-white lg:block',
          contentClassName,
        )}
      >
        {content[activeCard].content ?? null}
      </div>
    </motion.div>
  );
};
