import { MobileNavigation } from "@syntax/MobileNavigation";
import { usePageContext } from "vike-react/usePageContext";
import { ThemeProvider } from "@/providers/ThemeProvider";
import { useEffect, useState, Suspense } from "react";
import { ThemeSelector } from "@syntax/ThemeSelector";
import { clientOnly } from "vike-react/clientOnly";
import { ToastContainer } from "react-toastify";
import { Navigation } from "@syntax/Navigation";
import { Link } from "@/components/common/Link";
import { Hero } from "@syntax/Hero";
import { Logo } from "@syntax/Logo";
import clsx from "clsx";

import "./style.css";
import "./tailwind.css";
import "./prism.css";
import "unfonts.css";

const Search = clientOnly(() => import("@syntax/Search").then((module) => module.Search));

function GitHubIcon(props: React.ComponentPropsWithoutRef<"svg">) {
  return (
    <svg aria-hidden="true" viewBox="0 0 16 16" {...props}>
      <path d="M8 0C3.58 0 0 3.58 0 8C0 11.54 2.29 14.53 5.47 15.59C5.87 15.66 6.02 15.42 6.02 15.21C6.02 15.02 6.01 14.39 6.01 13.72C4 14.09 3.48 13.23 3.32 12.78C3.23 12.55 2.84 11.84 2.5 11.65C2.22 11.5 1.82 11.13 2.49 11.12C3.12 11.11 3.57 11.7 3.72 11.94C4.44 13.15 5.59 12.81 6.05 12.6C6.12 12.08 6.33 11.73 6.56 11.53C4.78 11.33 2.92 10.64 2.92 7.58C2.92 6.71 3.23 5.99 3.74 5.43C3.66 5.23 3.38 4.41 3.82 3.31C3.82 3.31 4.49 3.1 6.02 4.13C6.66 3.95 7.34 3.86 8.02 3.86C8.7 3.86 9.38 3.95 10.02 4.13C11.55 3.09 12.22 3.31 12.22 3.31C12.66 4.41 12.38 5.23 12.3 5.43C12.81 5.99 13.12 6.7 13.12 7.58C13.12 10.65 11.25 11.33 9.47 11.53C9.76 11.78 10.01 12.26 10.01 13.01C10.01 14.08 10 14.94 10 15.21C10 15.42 10.15 15.67 10.55 15.59C13.71 14.53 16 11.53 16 8C16 3.58 12.42 0 8 0Z" />
    </svg>
  );
}

function Header() {
  let [isScrolled, setIsScrolled] = useState(false);

  useEffect(() => {
    function onScroll() {
      setIsScrolled(window.scrollY > 0);
    }
    onScroll();
    window.addEventListener("scroll", onScroll, { passive: true });
    return () => {
      window.removeEventListener("scroll", onScroll);
    };
  }, []);

  return (
    <header
      className={clsx(
        "sticky top-0 z-50 flex flex-none flex-wrap items-center justify-between bg-white px-4 py-5 shadow-md shadow-slate-900/5 transition duration-500 sm:px-6 lg:px-8 dark:shadow-none",
        isScrolled
          ? "dark:bg-slate-900/95 dark:backdrop-blur-sm dark:[@supports(backdrop-filter:blur(0))]:bg-slate-900/75"
          : "dark:bg-transparent",
      )}
    >
      <div className="mr-6 flex lg:hidden">
        <MobileNavigation />
      </div>

      <div className="relative flex grow basis-0 items-center">
        <Link href="/" aria-label="Home page" className="flex items-center gap-2">
          <Logo className="h-9 w-auto" />
          <span className="hidden lg:inline text-2xl font-bold -tracking-tight">Memento Dev</span>
        </Link>
      </div>

      <Suspense fallback={<div className="h-6 w-6 animate-pulse rounded-full bg-slate-200 dark:bg-slate-700" />}>
        <div className="-my-5 mr-6 sm:mr-8 md:mr-0">
          <Search />
        </div>
      </Suspense>

      <div className="relative flex basis-0 justify-end gap-6 sm:gap-8 md:grow">
        <ThemeSelector className="relative z-10" />
        <Link href="https://github.com/GauthierWebDev/memento-dev" className="group" aria-label="GitHub">
          <GitHubIcon className="h-6 w-6 fill-slate-400 group-hover:fill-slate-500 dark:group-hover:fill-slate-300" />
        </Link>
      </div>
    </header>
  );
}

export default function DefaultLayout({ children }: { children: React.ReactNode }) {
  const { urlPathname } = usePageContext();
  const isHomePage = urlPathname === "/";

  return (
    <ThemeProvider>
      <div className="flex w-full flex-col">
        <Header />

        {isHomePage && <Hero />}

        <div className="relative mx-auto w-full flex max-w-8xl flex-auto justify-center sm:px-2 lg:px-8 xl:px-12">
          <div className="hidden lg:relative lg:block lg:flex-none">
            <div className="absolute inset-y-0 right-0 w-[50vw] bg-slate-50 dark:hidden" />
            <div className="absolute top-16 right-0 bottom-0 hidden h-12 w-px bg-linear-to-t from-slate-800 dark:block" />
            <div className="absolute top-28 right-0 bottom-0 hidden w-px bg-slate-800 dark:block" />
            <div className="sticky top-[4.75rem] -ml-0.5 h-[calc(100vh-4.75rem)] w-64 overflow-x-hidden overflow-y-auto py-16 pr-8 pl-0.5 xl:w-72 xl:pr-16">
              <Navigation />
            </div>
          </div>
          {children}
        </div>
      </div>
      <ToastContainer />
    </ThemeProvider>
  );
}