import React, { Fragment } from "react";
import { useConfig, DocsThemeConfig } from "nextra-theme-docs";
import LogoMark from "@/components/LogoMark";
import FooterMenu from "@/components/FooterMenu";
import JSONLD from "@/components/JSONLD";
import { useRouter } from "next/router";
import Link from "next/link";
import { LibraryBig, Blocks, BrainCircuit, Computer } from "lucide-react";
import { AiOutlineGithub } from "react-icons/ai";
import { BiLogoDiscordAlt } from "react-icons/bi";
import { RiTwitterXFill } from "react-icons/ri";

const defaultUrl = "https://jan.ai";
const defaultImage = "https://jan.ai/assets/images/general/og-image.png";

const structuredData = {
  "@context": "https://schema.org",
  "@type": "Organization",
  name: "Jan",
  url: `${defaultUrl}`,
  logo: `${defaultImage}`,
};

const config: DocsThemeConfig = {
  logo: (
    <span className="flex gap-x-8 items-center">
      <div className="flex">
        <LogoMark />
        <span className="ml-2 text-lg font-semibold">Jan</span>
      </div>
    </span>
  ),
  docsRepositoryBase: "https://github.com/menloresearch/jan/tree/dev/docs",
  feedback: {
    content: "Question? Give us feedback →",
    labels: "feedback",
  },
  editLink: {
    text: "Edit this page on GitHub →",
  },
  useNextSeoProps() {
    return {
      titleTemplate: "%s - Jan",
      twitter: {
        cardType: "summary_large_image",
        site: "@jandotai",
      },
      openGraph: {
        type: "website",
      },
    };
  },
  navbar: {
    extraContent: (
      <div className="inline-flex items-center gap-x-2">
        <a href="https://discord.com/invite/FTk2MvZwJH" target="_blank">
          <BiLogoDiscordAlt className="text-xl text-black/60 dark:text-white/60" />
        </a>
        <a href="https://twitter.com/jandotai" target="_blank">
          <RiTwitterXFill className="text-lg text-black/60 dark:text-white/60" />
        </a>
        <a href="https://github.com/menloresearch/jan" target="_blank">
          <AiOutlineGithub className="text-xl text-black/60 dark:text-white/60" />
        </a>
      </div>
    ),
  },
  sidebar: {
    titleComponent: ({ type, title }) => {
      // eslint-disable-next-line react-hooks/rules-of-hooks
      const { asPath } = useRouter();
      if (type === "separator" && title === "Switcher") {
        return (
          <div className="-mx-2 hidden md:block">
            {(() => {
              const items = [
                {
                  title: "Jan Desktop & Mobile",
                  path: "/docs/desktop",
                  Icon: LibraryBig,
                },
                { title: "Jan Server", path: "/docs/server", Icon: Computer },
              ];
              return items.map((item) => {
                const active = asPath.startsWith(item.path);
                return active ? (
                  <div
                    key={item.path}
                    className="group mb-3 flex flex-row items-center gap-3 nx-text-primary-800 dark:nx-text-primary-600"
                  >
                    <item.Icon className="w-7 h-7 p-1 border  border-gray-200 dark:border-gray-700 rounded nx-bg-primary-100 dark:nx-bg-primary-400/10" />
                    {item.title}
                  </div>
                ) : (
                  <Link
                    href={item.path}
                    key={item.path}
                    className="group mb-3 flex flex-row items-center gap-3 text-gray-500 hover:text-primary/100"
                  >
                    <item.Icon className="w-7 h-7 p-1 border rounded border-gray-200 dark:border-gray-700" />
                    {item.title}
                  </Link>
                );
              });
            })()}
          </div>
        );
      }
      return title;
    },
    defaultMenuCollapseLevel: 1,
    toggleButton: true,
  },
  toc: {
    backToTop: true,
  },
  head: function useHead() {
    const { title, frontMatter } = useConfig();
    const titleTemplate = (frontMatter?.title || title) + " - " + "Jan";
    const { asPath } = useRouter();

    return (
      <Fragment>
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <meta httpEquiv="Content-Language" content="en" />
        <title>{titleTemplate}</title>
        <meta name="og:title" content={titleTemplate} />
        <meta
          name="description"
          content={
            frontMatter?.description ||
            `Run LLMs like Qwen3 or Llama3 locally and offline on your computer, or connect to remote AI APIs like OpenAI's GPT-4 or Groq.`
          }
        />
        <meta
          name="og:description"
          content={
            frontMatter?.description ||
            `Run LLMs like Qwen3 or Llama3 locally and offline on your computer, or connect to remote AI APIs like OpenAI's GPT-4 or Groq.`
          }
        />
        <link
          rel="canonical"
          href={frontMatter?.ogImage ? "https://jan.ai" + asPath : defaultUrl}
        />
        <meta
          property="og:url"
          content={
            frontMatter?.ogImage ? "https://jan.ai" + asPath : defaultUrl
          }
        />
        <meta
          property="og:image"
          content={
            frontMatter?.ogImage
              ? "https://jan.ai/" + frontMatter?.ogImage
              : "https://jan.ai/assets/images/general/og-image.png"
          }
        />
        <meta property="og:image:alt" content="Jan-OGImage" />
        <meta
          name="keywords"
          content={
            frontMatter?.keywords?.map((keyword: string) => keyword) || [
              "Jan",
              "Customizable Intelligence, LLM",
              "local AI",
              "privacy focus",
              "free and open source",
              "private and offline",
              "conversational AI",
              "no-subscription fee",
              "large language models",
              "build in public",
              "remote team",
              "how we work",
            ]
          }
        />
        <JSONLD data={structuredData} />
      </Fragment>
    );
  },
  footer: {
    text: <FooterMenu />,
  },
  nextThemes: {
    defaultTheme: "light",
  },
};

export default config;