Layout 408

"use client";

import React, { useRef } from "react";
import { useMotionValue, motion, useScroll, useTransform } from "motion/react";
import clsx from "clsx";
import { useMediaQuery } from "@/hooks/use-media-query";
import { Button, type ButtonProps } from "@/components/ui/button";
import { Card } from "@/components/ui/card";
import { ChevronRight } from "relume-icons";

type ImageProps = {
  src: string;
  alt?: string;
};

type FeatureSectionProps = {
  tagline: string;
  heading: string;
  description: string;
  buttons: ButtonProps[];
  image: ImageProps;
};

type Props = {
  tagline: string;
  heading: string;
  description: string;
  featureSections: FeatureSectionProps[];
};

export type Layout408Props = React.ComponentPropsWithoutRef<"section"> & Partial<Props>;

const calculateScales = (totalSections: number, scrollYProgress: any) => {
  return Array.from({ length: totalSections }, (_, index) => {
    const sectionFraction = 1 / totalSections;
    const start = sectionFraction * index;
    const end = sectionFraction * (index + 1);

    // Last card should never scale down
    if (index === totalSections - 1) {
      return useMotionValue(1);
    }

    return useTransform(scrollYProgress, [start, end], [1, 0.8]);
  });
};

export const Layout408 = (props: Layout408Props) => {
  const { tagline, heading, description, featureSections } = {
    ...Layout408Defaults,
    ...props,
  };

  const containerRef = useRef<HTMLDivElement>(null);

  const { scrollYProgress } = useScroll({
    target: containerRef,
    offset: ["start start", "end 60%"],
  });

  const scales = calculateScales(featureSections.length, scrollYProgress);

  return (
    <section className="px-[5%] py-16 md:py-24 lg:py-28">
      <div className="container">
        <div className="mx-auto mb-12 w-full max-w-lg text-center md:mb-18 lg:mb-20">
          <p className="mb-3 font-semibold md:mb-4">{tagline}</p>
          <h1 className="mb-5 text-h2 font-bold md:mb-6">{heading}</h1>
          <p className="text-medium">{description}</p>
        </div>
        <div ref={containerRef} className="sticky top-0 grid grid-cols-1 gap-6 md:gap-0">
          {featureSections.map((featureSection, index) => (
            <FeatureSection key={index} {...featureSection} scale={scales[index]} index={index} />
          ))}
        </div>
      </div>
    </section>
  );
};

const FeatureSection = ({
  scale,
  index,
  ...featureSection
}: FeatureSectionProps & {
  scale: any;
  index: number;
}) => {
  const isMobile = useMediaQuery("(max-width: 767px)");
  const isEven = index % 2 === 0;
  const MotionCard = motion.create(Card) as any;

  return (
    <React.Fragment>
      {isMobile ? (
        <Card className="static grid grid-cols-1 content-center overflow-hidden bg-white">
          <FeatureSectionContent isEven={isEven} {...featureSection} />
        </Card>
      ) : (
        <MotionCard
          className="static grid grid-cols-1 content-center bg-white md:sticky md:top-[10%] md:mb-[10vh] md:h-[80vh] md:grid-cols-2"
          style={{ scale }}
        >
          <FeatureSectionContent isEven={isEven} {...featureSection} />
        </MotionCard>
      )}
    </React.Fragment>
  );
};

const FeatureSectionContent = ({
  isEven,
  ...featureSection
}: FeatureSectionProps & { isEven: boolean }) => (
  <React.Fragment>
    <div
      className={clsx(
        "order-first flex flex-col justify-center p-6 md:p-8 lg:p-12",
        isEven ? "md:order-first" : "md:order-last",
      )}
    >
      <p className="mb-2 font-semibold">{featureSection.tagline}</p>
      <h2 className="mb-5 text-h3 font-bold md:mb-6">{featureSection.heading}</h2>
      <p>{featureSection.description}</p>
      <div className="mt-6 flex items-center gap-x-4 md:mt-8">
        {featureSection.buttons.map((button, index) => (
          <Button key={index} {...button}>
            {button.title}
          </Button>
        ))}
      </div>
    </div>
    <div
      className={clsx(
        "order-last flex h-[80vh] flex-col items-center justify-center",
        isEven ? "md:order-last" : "md:order-first",
      )}
    >
      <img
        src={featureSection.image.src}
        alt={featureSection.image.alt}
        className="size-full object-cover"
      />
    </div>
  </React.Fragment>
);

export const Layout408Defaults: Props = {
  tagline: "Tagline",
  heading: "Short heading goes here",
  description: "Lorem ipsum dolor sit amet, consectetur adipiscing elit.",
  featureSections: [
    {
      tagline: "Tagline",
      heading: "Medium length section heading goes here",
      description:
        "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse varius enim in eros elementum tristique. Duis cursus, mi quis viverra ornare, eros dolor interdum nulla, ut commodo diam libero vitae erat.",
      buttons: [
        { title: "Button", variant: "secondary" },
        {
          title: "Button",
          variant: "link",
          size: "link",
          iconRight: <ChevronRight className="text-scheme-text" />,
        },
      ],
      image: {
        src: "https://d22po4pjz3o32e.cloudfront.net/placeholder-image.svg",
        alt: "Relume placeholder image 1",
      },
    },
    {
      tagline: "Tagline",
      heading: "Medium length section heading goes here",
      description:
        "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse varius enim in eros elementum tristique. Duis cursus, mi quis viverra ornare, eros dolor interdum nulla, ut commodo diam libero vitae erat.",
      buttons: [
        { title: "Button", variant: "secondary" },
        {
          title: "Button",
          variant: "link",
          size: "link",
          iconRight: <ChevronRight className="text-scheme-text" />,
        },
      ],
      image: {
        src: "https://d22po4pjz3o32e.cloudfront.net/placeholder-image.svg",
        alt: "Relume placeholder image 2",
      },
    },
    {
      tagline: "Tagline",
      heading: "Medium length section heading goes here",
      description:
        "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse varius enim in eros elementum tristique. Duis cursus, mi quis viverra ornare, eros dolor interdum nulla, ut commodo diam libero vitae erat.",
      buttons: [
        { title: "Button", variant: "secondary" },
        {
          title: "Button",
          variant: "link",
          size: "link",
          iconRight: <ChevronRight className="text-scheme-text" />,
        },
      ],
      image: {
        src: "https://d22po4pjz3o32e.cloudfront.net/placeholder-image.svg",
        alt: "Relume placeholder image 3",
      },
    },
  ],
};