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/* eslint-disable @typescript-eslint/no-unused-vars */
"use client";
import React, { useState, useEffect, useRef, useCallback } from "react";
import { SparklesCore } from "@/components/ui/sparkles";
import { AnimatePresence, motion } from "framer-motion";
import { cn } from "@/lib/utils";
import { IconDotsVertical } from "@tabler/icons-react";
import Image from "next/image";
interface CompareProps {
firstImage?: string;
secondImage?: string;
className?: string;
firstImageClassName?: string;
secondImageClassname?: string;
initialSliderPercentage?: number;
slideMode?: "hover" | "drag";
showHandlebar?: boolean;
autoplay?: boolean;
autoplayDuration?: number;
}
export const Compare = ({
firstImage = "",
secondImage = "",
className,
firstImageClassName,
secondImageClassname,
initialSliderPercentage = 50,
slideMode = "hover",
showHandlebar = true,
autoplay = false,
autoplayDuration = 5000,
}: CompareProps) => {
const [sliderXPercent, setSliderXPercent] = useState(initialSliderPercentage);
const [isDragging, setIsDragging] = useState(false);
const sliderRef = useRef<HTMLDivElement>(null);
const [isMouseOver, setIsMouseOver] = useState(false);
const autoplayRef = useRef<NodeJS.Timeout | null>(null);
const startAutoplay = useCallback(() => {
if (!autoplay) return;
const startTime = Date.now();
const animate = () => {
const elapsedTime = Date.now() - startTime;
const progress =
(elapsedTime % (autoplayDuration * 2)) / autoplayDuration;
const percentage = progress <= 1 ? progress * 100 : (2 - progress) * 100;
setSliderXPercent(percentage);
autoplayRef.current = setTimeout(animate, 16); // ~60fps
};
animate();
}, [autoplay, autoplayDuration]);
const stopAutoplay = useCallback(() => {
if (autoplayRef.current) {
clearTimeout(autoplayRef.current);
autoplayRef.current = null;
}
}, []);
useEffect(() => {
startAutoplay();
return () => stopAutoplay();
}, [startAutoplay, stopAutoplay]);
function mouseEnterHandler() {
setIsMouseOver(true);
stopAutoplay();
}
function mouseLeaveHandler() {
setIsMouseOver(false);
if (slideMode === "hover") {
setSliderXPercent(initialSliderPercentage);
}
if (slideMode === "drag") {
setIsDragging(false);
}
startAutoplay();
}
const handleStart = useCallback(
(clientX: number) => {
if (slideMode === "drag") {
setIsDragging(true);
}
},
[slideMode]
);
const handleEnd = useCallback(() => {
if (slideMode === "drag") {
setIsDragging(false);
}
}, [slideMode]);
const handleMove = useCallback(
(clientX: number) => {
if (!sliderRef.current) return;
if (slideMode === "hover" || (slideMode === "drag" && isDragging)) {
const rect = sliderRef.current.getBoundingClientRect();
const x = clientX - rect.left;
const percent = (x / rect.width) * 100;
requestAnimationFrame(() => {
setSliderXPercent(Math.max(0, Math.min(100, percent)));
});
}
},
[slideMode, isDragging]
);
const handleMouseDown = useCallback(
(e: React.MouseEvent) => handleStart(e.clientX),
[handleStart]
);
const handleMouseUp = useCallback(() => handleEnd(), [handleEnd]);
const handleMouseMove = useCallback(
(e: React.MouseEvent) => handleMove(e.clientX),
[handleMove]
);
const handleTouchStart = useCallback(
(e: React.TouchEvent) => {
if (!autoplay) {
handleStart(e.touches[0].clientX);
}
},
[handleStart, autoplay]
);
const handleTouchEnd = useCallback(() => {
if (!autoplay) {
handleEnd();
}
}, [handleEnd, autoplay]);
const handleTouchMove = useCallback(
(e: React.TouchEvent) => {
if (!autoplay) {
handleMove(e.touches[0].clientX);
}
},
[handleMove, autoplay]
);
return (
<div
ref={sliderRef}
className={cn("w-[400px] h-[400px] overflow-hidden", className)}
style={{
position: "relative",
cursor: slideMode === "drag" ? "grab" : "col-resize",
}}
onMouseMove={handleMouseMove}
onMouseLeave={mouseLeaveHandler}
onMouseEnter={mouseEnterHandler}
onMouseDown={handleMouseDown}
onMouseUp={handleMouseUp}
onTouchStart={handleTouchStart}
onTouchEnd={handleTouchEnd}
onTouchMove={handleTouchMove}
>
<AnimatePresence initial={false}>
<motion.div
className="h-full w-px absolute top-0 m-auto z-30 bg-gradient-to-b from-transparent from-[5%] to-[95%] via-indigo-500 to-transparent"
style={{
left: `${sliderXPercent}%`,
top: "0",
zIndex: 40,
}}
transition={{ duration: 0 }}
>
<div className="w-36 h-full [mask-image:radial-gradient(100px_at_left,white,transparent)] absolute top-1/2 -translate-y-1/2 left-0 bg-gradient-to-r from-indigo-400 via-transparent to-transparent z-20 opacity-50" />
<div className="w-10 h-1/2 [mask-image:radial-gradient(50px_at_left,white,transparent)] absolute top-1/2 -translate-y-1/2 left-0 bg-gradient-to-r from-cyan-400 via-transparent to-transparent z-10 opacity-100" />
<div className="w-10 h-3/4 top-1/2 -translate-y-1/2 absolute -right-10 [mask-image:radial-gradient(100px_at_left,white,transparent)]">
<MemoizedSparklesCore
background="transparent"
minSize={0.4}
maxSize={1}
particleDensity={1200}
className="w-full h-full"
particleColor="#FFFFFF"
/>
</div>
{showHandlebar && (
<div className="h-5 w-5 rounded-md top-1/2 -translate-y-1/2 bg-white z-30 -right-2.5 absolute flex items-center justify-center shadow-[0px_-1px_0px_0px_#FFFFFF40]">
<IconDotsVertical className="h-4 w-4 text-black" />
</div>
)}
</motion.div>
</AnimatePresence>
<div className="overflow-hidden w-full h-full relative z-20 pointer-events-none">
<AnimatePresence initial={false}>
{firstImage ? (
<motion.div
className={cn(
"absolute inset-0 z-20 rounded-2xl flex-shrink-0 w-full h-full select-none overflow-hidden",
firstImageClassName
)}
style={{
clipPath: `inset(0 ${100 - sliderXPercent}% 0 0)`,
}}
transition={{ duration: 0 }}
>
<Image
alt="first image"
src={firstImage}
className={cn(
"absolute inset-0 z-20 rounded-2xl flex-shrink-0 w-full h-full select-none",
firstImageClassName
)}
draggable={false}
/>
</motion.div>
) : null}
</AnimatePresence>
</div>
<AnimatePresence initial={false}>
{secondImage ? (
<motion.img
className={cn(
"absolute top-0 left-0 z-[19] rounded-2xl w-full h-full select-none",
secondImageClassname
)}
alt="second image"
src={secondImage}
draggable={false}
/>
) : null}
</AnimatePresence>
</div>
);
};
const MemoizedSparklesCore = React.memo(SparklesCore);
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