"use client";

import { useState } from "react";
import { motion } from "framer-motion";
import { CubeLight } from "@/components/ui/CubeLight";

const stackData = [
  {
    id: "agent",
    title: "Agent Layer",
    descriptionTitle:
      "Your sovereign agent with private memory and permissioned data access—always under your control.",
    description:
      "Choose from a wide library of open-source LLMs, paired with built-in semantic search and retrieval.\nIt coordinates across people, apps, and other agents to plan, create, and execute.\nIt operates inside a compliant legal & financial sandbox, ready for real-world transactions and operations.\nMore than just an assistant—an intelligent partner that learns and does your way.",
    position: "top",
  },
  {
    id: "network",
    title: "Network Layer",
    descriptionTitle:
      "A global, end-to-end encrypted overlay that simply doesn’t break.",
    description:
      "Shortest-path routing moves your traffic the fastest way, every time.\nInstant discovery with integrated DNS, semantic search, and indexing.\nA distributed CDN and edge delivery keep content available and tamper-resistant worldwide.\nBuilt-in tool services and secure coding sandboxes—seamless on phones, desktops, and edge.",
    position: "middle",
  },
  {
    id: "cloud",
    title: "Cloud Layer",
    descriptionTitle:
      "An autonomous, stateless OS that enforces pre-deterministic deployments you define.",
    description:
      "Workloads are cryptographically bound to your private key—location and access are yours.\nNo cloud vendor or middleman in the path: end-to-end ownership and isolation by default.\nGeo-aware placement delivers locality, compliance, and ultra-low latency where it matters.\nEncrypted, erasure-coded storage, decentralized compute and GPU on demand—including LLMs.",
    position: "bottom",
  },
];

export function StackedCubesLight() {
  const [active, setActive] = useState<string | null>("network");
  const [selectedForMobile, setSelectedForMobile] = useState<string | null>("network");

  const handleCubeClick = (id: string) => {
    setSelectedForMobile((prev) => (prev === id ? null : id));
  };

  const selectedMobileLayer = stackData.find(
    (layer) => layer.id === selectedForMobile
  );

  return (
    <div className="flex flex-col items-center relative">
      {/* ✨ Ambient cyan-white gradient background */}
      <div className="absolute inset-0 bg-gradient-to-b from-white via-cyan-50/30 to-white blur-3xl opacity-70 pointer-events-none" />
      <div
        className="relative w-full flex items-center justify-center lg:justify-center min-h-[450px] lg:min-h-[400px]"
        onMouseLeave={() => setActive("network")}
      >
        <motion.div
          className="relative lg:pl-0 pl-6 h-[300px] lg:h-[400px] w-64 sm:w-80 lg:w-96"
          animate={{ y: ["-8px", "8px"] }}
          transition={{
            duration: 4,
            repeat: Infinity,
            repeatType: "reverse",
            ease: "easeInOut",
          }}
        >
          {stackData.map((layer, index) => (
            <div
              key={layer.id}
              className="absolute transition-all duration-500"
              style={{
                top: `calc(${index * 30}% - ${index * 10}px)`,
                zIndex: active === layer.id ? 20 : 10 - index,
              }}
            >
              {/* 🌫 subtle glow behind each cube */}
              <div
                className={`absolute inset-0 blur-2xl rounded-3xl transition-all duration-500 ${
                  active === layer.id
                    ? "bg-cyan-300/20 opacity-20"
                    : "bg-cyan-200/20 opacity-20"
                }`}
              />
              <CubeLight
                title={layer.title}
                descriptionTitle={layer.descriptionTitle}
                description={layer.description}
                isActive={active === layer.id}
                index={index}
                onHover={() => setActive(layer.id)}
                onLeave={() => {}}
                onClick={() => handleCubeClick(layer.id)}
              />
            </div>
          ))}
        </motion.div>
      </div>

      {/* Mobile layer description */}
      {selectedMobileLayer && (
        <div className="lg:hidden w-full max-w-md p-6 -mt-8 bg-white/50 backdrop-blur-xl border border-cyan-100/40 rounded-xl shadow-[0_0_25px_rgba(0,255,255,0.15)]">
          <h4 className="text-black text-lg font-semibold mb-2 text-center drop-shadow-[0_0_6px_rgba(255,255,255,0.6)]">
            {selectedMobileLayer.descriptionTitle}
          </h4>
          <p className="text-cyan-900/80 text-sm leading-relaxed text-center drop-shadow-[0_0_4px_rgba(255,255,255,0.4)]">
            {selectedMobileLayer.description}
          </p>
        </div>
      )}
    </div>
  );
}