"use client";

import { useRef } from "react";
import { Eyebrow, CP, CT, H4 } from "@/components/Texts";
import { IoArrowBackOutline, IoArrowForwardOutline } from "react-icons/io5";

import {
  HomeModernIcon,
  CpuChipIcon,
  ServerStackIcon,
  ShieldCheckIcon,
} from "@heroicons/react/24/solid";

const capabilities = [
  {
    isIntro: true,
    eyebrow: "CAPABILITIES",
    title: "What is a Pod?",
    description: "",
  },

  {
    title: "Your private digital home on the decentralized internet",
    description:
      "Your Pod is a private digital home where apps, data, and identity live independently of Big Tech and central servers.",
    icon: (
      <div className="flex items-start justify-start">
        <HomeModernIcon className="h-12 w-12 text-cyan-400" />
      </div>
    ),
  },

  {
    title: "An always-on space you fully control",
    description:
      "A dedicated, always-on environment you fully command — your own sovereign slice of the network that never goes offline.",
    icon: (
      <div className="flex items-start justify-start">
        <CpuChipIcon className="h-12 w-12 text-cyan-400" />
      </div>
    ),
  },

  {
    title: "Runs communication, storage, and collaboration tools",
    description:
      "Runs your communication, storage, and collaboration tools in a secure local environment without reliance on outside platforms.",
    icon: (
      <div className="flex items-start justify-start">
        <ServerStackIcon className="h-12 w-12 text-cyan-400" />
      </div>
    ),
  },

  {
    title: "Fully encrypted, federated peer-to-peer network",
    description:
      "Encrypted, federated peer-to-peer networking that links your Pod directly with trusted devices without intermediaries.",
    icon: (
      <div className="flex items-start justify-start">
        <ShieldCheckIcon className="h-12 w-12 text-cyan-400" />
      </div>
    ),
  },
];

export function PodCapabilities() {
  const sliderRef = useRef<HTMLUListElement>(null);

  const scrollLeft = () =>
    sliderRef.current?.scrollBy({ left: -400, behavior: "smooth" });

  const scrollRight = () =>
    sliderRef.current?.scrollBy({ left: 400, behavior: "smooth" });

  return (
    <section className="bg-[#121212] w-full max-w-8xl mx-auto">
      <div className="max-w-7xl mx-auto py-6 border border-t-0 border-b-0 border-gray-800" />
      <div className="w-full border-t border-l border-r border-gray-800" />

      <div className="relative mx-auto max-w-7xl border border-t-0 border-b-0 border-gray-800 bg-[#111111] overflow-hidden">
        {/* Horizontal Slider */}
        <ul
          ref={sliderRef}
          className="flex overflow-x-auto snap-x snap-mandatory scroll-smooth no-scrollbar"
        >
          {capabilities.map((item, idx) => (
            <li
              key={idx}
              className={`snap-start shrink-0 w-[85%] sm:w-[50%] lg:w-[33%] border border-gray-800 p-10 relative ${
                item.isIntro ? "" : "bg-[#111]/60"
              }`}
            >
              {/* INTRO CARD */}
              {item.isIntro ? (
                <div className="flex flex-col justify-between h-full">
                  <div>
                    <Eyebrow>{item.eyebrow}</Eyebrow>
                    <H4 className="text-white mt-0 max-w-lg">{item.title}</H4>
                    <p className="text-gray-400 lg:text-lg text-sm leading-relaxed">
                      {item.description}
                    </p>
                  </div>

                  {/* Arrow controls */}
                  <div className="flex items-center gap-x-4 mt-2">
                    <button
                      onClick={scrollLeft}
                      className="h-8 w-8 flex items-center justify-center border border-gray-800 rounded-md hover:border-cyan-500 transition-colors"
                    >
                      <IoArrowBackOutline className="text-gray-300" size={16} />
                    </button>

                    <button
                      onClick={scrollRight}
                      className="h-8 w-8 flex items-center justify-center border border-gray-800 rounded-md hover:border-cyan-500 transition-colors"
                    >
                      <IoArrowForwardOutline
                        className="text-gray-300"
                        size={16}
                      />
                    </button>
                  </div>
                </div>
              ) : (
                <>
                  {/* LEFT-ALIGNED ICON */}
                  {item.icon}

                  <br />

                  {/* LEFT-ALIGNED TEXT */}
                  <CT className="font-semibold leading-tight text-white text-left">
                    {item.title}
                  </CT>

                  <CP className="mt-2 text-gray-400  text-left">
                    {item.description}
                  </CP>
                </>
              )}
            </li>
          ))}
        </ul>
      </div>

      <div className="w-full border-b border-gray-800" />
      <div className="max-w-7xl mx-auto py-6 border border-t-0 border-b-0 border-gray-800" />
    </section>
  );
}