Interactive 3D Carousel

/*
 * MIT License
 *
 * Copyright (c) 2026 Syed Subhan Uddin
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
// Interactive 3D Carousel from amicro by Syed Subhan Uddin
// https://github.com/Subhan-code/Amicro--Micro-transitions-/blob/main/src/components/cards/CardCarousel.tsx
// MIT License, Copyright (c) 2026 Syed Subhan Uddin. Full licence: https://github.com/Subhan-code/Amicro--Micro-transitions-/blob/main/LICENSE
// Styled with Tailwind CSS. Needs: motion, lucide-react

import React, { useState } from "react";
import { motion } from "motion/react";
import { ChevronLeft, ChevronRight } from "lucide-react";

const DEFAULT_ASSETS = [
  {
    src: 'https://images.unsplash.com/photo-1507525428034-b723cf961d3e?auto=format&fit=crop&w=600&q=80',
    title: 'Sunset Beach',
  },
  {
    src: 'https://images.unsplash.com/photo-1470071459604-3b5ec3a7fe05?auto=format&fit=crop&w=600&q=80',
    title: 'Misty Mountains',
  },
  {
    src: 'https://images.unsplash.com/photo-1447752875215-b2761acb3c5d?auto=format&fit=crop&w=600&q=80',
    title: 'Forest Trail',
  },
  {
    src: 'https://images.unsplash.com/photo-1441974231531-c6227db76b6e?auto=format&fit=crop&w=600&q=80',
    title: 'Sunlight in Woods',
  },
  {
    src: 'https://images.unsplash.com/photo-1501854140801-50d01698950b?auto=format&fit=crop&w=600&q=80',
    title: 'Green Hills',
  },
];

interface CardCarouselProps {
  hovered?: boolean;
  className?: string;
  images?: { src: string; title: string }[];
  isMonochrome?: boolean;
}

export const CardCarousel = React.memo(function CardCarousel({
  hovered,
  className = '',
  images = DEFAULT_ASSETS,
  isMonochrome = false
}: CardCarouselProps) {
  const [activeIndex, setActiveIndex] = useState(2);
  const [isHovered, setIsHovered] = useState(false);
  const active = hovered !== undefined ? hovered : isHovered;

  const toPrev = (e: React.MouseEvent) => {
    e.stopPropagation();
    setActiveIndex(prev => Math.max(0, prev - 1));
  };

  const toNext = (e: React.MouseEvent) => {
    e.stopPropagation();
    setActiveIndex(prev => Math.min(images.length - 1, prev + 1));
  };

  const toSlide = (e: React.MouseEvent, index: number) => {
    e.stopPropagation();
    setActiveIndex(index);
  };

  const slideWidth = 160;

  return (
    <div 
      onMouseEnter={() => setIsHovered(true)}
      onMouseLeave={() => setIsHovered(false)}
      className={`w-full h-full flex flex-col items-center justify-center relative overflow-hidden select-none ${className}`}
    >
      {/* carousel wrapper */}
      <div 
        className="relative h-[180px] flex items-center justify-start overflow-visible"
        style={{ width: `${slideWidth}px` }}
      >
        {/* slides container */}
        <motion.div 
          className="flex w-fit items-center"
          animate={{ x: -activeIndex * slideWidth }}
          transition={{ type: 'spring', bounce: 0.1, duration: 0.25 }}
        >
          {images.map((item, i) => {
            const isActive = activeIndex === i;
            const diff = i - activeIndex;

            const targetRotate = active ? diff * 20 : diff * 5;
            const targetScale = isActive ? 1.05 : (active ? 0.65 : 0.8);
            const targetY = active ? diff * 24 : 0;

            return (
              <motion.div 
                key={i}
                className="shrink-0 flex flex-col items-center gap-1.5 will-change-[transform,scale]"
                style={{ width: `${slideWidth}px` }}
                animate={{ 
                  rotate: targetRotate, 
                  scale: targetScale, 
                  y: targetY 
                }}
                transition={{ type: 'spring', bounce: 0.2, duration: 0.25 }}
              >
                <div 
                  className={`text-[10px] md:text-xs font-semibold whitespace-nowrap transition-all duration-250 ${isActive ? 'opacity-100 scale-100 text-white' : 'opacity-0 scale-75 text-neutral-400'}`} 
                >
                  {isMonochrome ? `Card ${i + 1}` : item.title}
                </div>

                {isMonochrome ? (
                  <div 
                    onClick={(e) => toSlide(e, i)}
                    className="w-[110px] h-[110px] rounded-xl bg-neutral-400 dark:bg-neutral-800 border border-neutral-200/20 shadow-lg flex items-center justify-center text-neutral-600 dark:text-neutral-400 font-bold text-sm cursor-pointer"
                  >
                    {i + 1}
                  </div>
                ) : (
                  <img 
                    src={item.src} 
                    alt={item.title} 
                    referrerPolicy="no-referrer"
                    className="w-[110px] h-[110px] object-cover rounded-xl shadow-lg border border-white/10 cursor-pointer" 
                    onClick={(e) => toSlide(e, i)} 
                  />
                )}
              </motion.div>
            )
          })}
        </motion.div>
      </div>

      {/* controls */}
      <div className="mt-4 px-1.5 py-0.5 flex items-center gap-2 justify-center text-neutral-400 rounded-full bg-neutral-900/60 backdrop-blur-md border border-white/5 shadow-md z-20">
        {/* prev button */}
        <button onClick={toPrev} className="p-1 cursor-pointer hover:bg-white/5 rounded-full transition-colors border-0 bg-transparent text-neutral-400 hover:text-white">
          <ChevronLeft className="w-3.5 h-3.5" />
        </button>
        {/* slide dots */}
        <div className="flex justify-center items-center gap-1">
          {images.map((_, i) => (
            <div 
              key={i} 
              onClick={(e) => toSlide(e, i)}
              className={`rounded-full cursor-pointer h-1 transition-all duration-250 ${activeIndex === i ? 'w-4 bg-white' : 'w-1 bg-white/30 hover:bg-white/50'}`}>
            </div>
          ))}
        </div>
        {/* next button */}
        <button onClick={toNext} className="p-1 cursor-pointer hover:bg-white/5 rounded-full transition-colors border-0 bg-transparent text-neutral-400 hover:text-white">
          <ChevronRight className="w-3.5 h-3.5" />
        </button>
      </div>
    </div>
  );
});