Timeline 2

"use client";

import { useRef } from "react";
import { useScroll, useTransform, motion } from "motion/react";
import { Button, type ButtonProps } from "@/components/ui/button";
import { Card } from "@/components/ui/card";
import { ChevronRight } from "relume-icons";

type Timeline = {
  date: string;
  heading: string;
  description: string;
  buttons: ButtonProps[];
};

type Props = {
  tagline: string;
  heading: string;
  description: string;
  buttons: ButtonProps[];
  timelines: Timeline[];
};

export type Timeline2Props = React.ComponentPropsWithoutRef<"section"> & Partial<Props>;

export const Timeline2 = (props: Timeline2Props) => {
  const { tagline, heading, description, buttons, timelines } = {
    ...props,
    ...Timeline2Defaults,
  };

  return (
    <section className="px-[5%] py-16 md:py-24 lg:py-28">
      <div className="container">
        <div className="relative grid auto-cols-fr grid-cols-1 items-start justify-center gap-6 sm:gap-12 md:grid-cols-2 md:gap-24 lg:gap-32">
          <div className="relative top-0 z-10 md:sticky md:top-20 md:z-auto md:pr-4">
            <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 className="mt-6 flex flex-wrap items-center gap-4 md:mt-8">
              {buttons.map((button, index) => (
                <Button key={index} {...button}>
                  {button.title}
                </Button>
              ))}
            </div>
          </div>
          <div className="absolute z-0 flex h-full w-8 flex-col items-center justify-self-start [grid-area:2/1/3/2] md:z-auto md:justify-self-center md:[grid-area:auto]">
            <div className="absolute z-10 h-16 w-1 bg-gradient-to-b from-scheme-background to-transparent" />
            <div className="sticky top-0 mt-[-50vh] h-[50vh] w-[3px] bg-scheme-text" />
            <div className="h-full w-[3px] bg-scheme-text/15" />
            <div className="absolute bottom-0 z-0 h-16 w-1 bg-gradient-to-b from-transparent to-scheme-background" />
            <div className="absolute top-[-50vh] h-[50vh] w-full bg-scheme-background" />
          </div>
          <div className="grid auto-cols-fr gap-x-12 gap-y-8 sm:gap-y-12 md:gap-x-20 md:gap-y-20">
            {timelines.map((timeline, index) => (
              <Timeline key={index} timeline={timeline} />
            ))}
          </div>
        </div>
      </div>
    </section>
  );
};

const Timeline = ({ timeline }: { timeline: Timeline }) => {
  const circleRef = useRef<HTMLDivElement>(null);

  const { scrollYProgress } = useScroll({
    target: circleRef,
    offset: ["start center", "start start"],
  });

  const backgroundColor = {
    backgroundColor: useTransform(
      scrollYProgress,
      [0, 0.5],
      ["var(--color-neutral)", "var(--color-scheme-text)"],
    ),
  };

  return (
    <div className="relative">
      <div className="absolute flex h-full w-8 items-start justify-center md:-ml-24 md:w-24 lg:-ml-32 lg:w-32">
        <motion.div
          ref={circleRef}
          style={backgroundColor}
          className="z-20 mt-7 size-4 rounded-full shadow-[0_0_0_8px_#fff] md:mt-8"
        />
      </div>
      <Card className="ml-12 flex flex-col p-6 md:ml-0 md:p-8">
        <h2 className="mb-3 text-h3 font-bold md:mb-4">{timeline.date}</h2>
        <h3 className="mb-3 text-h5 font-bold md:mb-4">{timeline.heading}</h3>
        <p>{timeline.description}</p>
        <div className="mt-6 flex flex-wrap items-center gap-4 md:mt-8">
          {timeline.buttons.map((button, index) => (
            <Button key={index} {...button}>
              {button.title}
            </Button>
          ))}
        </div>
      </Card>
    </div>
  );
};

export const Timeline2Defaults: Props = {
  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" />,
    },
  ],

  timelines: [
    {
      date: "Date",
      heading: "Short heading 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. Lorem ipsum dolor sit amet, consectetur adipiscing elit.",
      buttons: [
        { title: "Button", variant: "secondary" },
        {
          title: "Button",
          variant: "link",
          size: "link",
          iconRight: <ChevronRight className="text-scheme-text" />,
        },
      ],
    },
    {
      date: "Date",
      heading: "Short heading 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. Lorem ipsum dolor sit amet, consectetur adipiscing elit.",
      buttons: [
        { title: "Button", variant: "secondary" },
        {
          title: "Button",
          variant: "link",
          size: "link",
          iconRight: <ChevronRight className="text-scheme-text" />,
        },
      ],
    },
    {
      date: "Date",
      heading: "Short heading 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. Lorem ipsum dolor sit amet, consectetur adipiscing elit.",
      buttons: [
        { title: "Button", variant: "secondary" },
        {
          title: "Button",
          variant: "link",
          size: "link",
          iconRight: <ChevronRight className="text-scheme-text" />,
        },
      ],
    },
    {
      date: "Date",
      heading: "Short heading 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. Lorem ipsum dolor sit amet, consectetur adipiscing elit.",
      buttons: [
        { title: "Button", variant: "secondary" },
        {
          title: "Button",
          variant: "link",
          size: "link",
          iconRight: <ChevronRight className="text-scheme-text" />,
        },
      ],
    },
  ],
};