Timeline 5

"use client";

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

type TimelineItem = {
  heading: string;
  title: string;
  description: string;
  buttons: ButtonProps[];
};

type Props = {
  tagline: string;
  heading: string;
  description: string;
  buttons: ButtonProps[];
  timelineItems: TimelineItem[];
};

export type Timeline5Props = React.ComponentPropsWithoutRef<"section"> & Partial<Props>;

export const Timeline5 = (props: Timeline5Props) => {
  const { tagline, heading, description, buttons, timelineItems } = {
    ...Timeline5Defaults,
    ...props,
  };

  return (
    <section className="px-[5%] py-16 md:py-24 lg:py-28">
      <div className="container max-w-lg">
        <div className="mb-12 md:mb-18 lg:mb-20">
          <div className="relative z-10 w-full max-w-lg">
            <p className="mb-3 font-semibold md:mb-4">{tagline}</p>
            <h2 className="mb-5 text-h2 font-bold md:mb-6">{heading}</h2>
            <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>
        <div className="grid w-full max-w-lg auto-cols-fr grid-cols-[max-content_1fr] items-start justify-items-center">
          <div className="relative left-0 flex h-full w-8 flex-col items-center md:left-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 grid-cols-1 gap-y-8 sm:gap-12 md:gap-20">
            {timelineItems.map((item, index) => (
              <TimelineItem key={index} item={item} />
            ))}
          </div>
        </div>
      </div>
    </section>
  );
};

const TimelineItem = ({ item }: { item: TimelineItem }) => {
  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 -ml-8 flex h-full w-8 items-start justify-center">
        <motion.div
          ref={circleRef}
          style={backgroundColor}
          className="z-20 mt-7 size-3.75 rounded-full shadow-[0_0_0_8px_var(--color-scheme-background)] md:mt-8"
        />
      </div>
      <div className="mt-4 ml-4 flex flex-col md:ml-12">
        <h3 className="mb-3 text-h3 font-bold md:mb-4">{item.heading}</h3>
        <h4 className="mb-3 text-h5 font-bold md:mb-4">{item.title}</h4>
        <p>{item.description}</p>
        <div className="mt-6 flex flex-wrap items-center gap-4 md:mt-8">
          {item.buttons.map((button, index) => (
            <Button key={index} {...button}>
              {button.title}
            </Button>
          ))}
        </div>
      </div>
    </div>
  );
};

export const Timeline5Defaults: 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" />,
    },
  ],
  timelineItems: [
    {
      heading: "Date",
      title: "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" />,
        },
      ],
    },
    {
      heading: "Date",
      title: "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" />,
        },
      ],
    },
    {
      heading: "Date",
      title: "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" />,
        },
      ],
    },
    {
      heading: "Date",
      title: "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" />,
        },
      ],
    },
  ],
};