import { NotFound } from "@/app/components/not-found";
import { LookupServer } from "@/app/components/server/lookup-server";
import { Card } from "@/app/components/ui/card";
import { generateEmbed } from "@/common/embed";
import { capitalizeFirstLetter } from "@/common/string-utils";
import { getServer } from "mcutils-library";
import JavaMinecraftServer from "mcutils-library/dist/types/server/javaServer";
import { ServerPlatform } from "mcutils-library/dist/types/server/platform";
import { MinecraftServer } from "mcutils-library/dist/types/server/server";
import { Metadata } from "next";
import Image from "next/image";

type Params = {
  params: {
    platform: ServerPlatform;
    hostname: string;
  };
};

export async function generateMetadata({ params: { platform, hostname } }: Params): Promise<Metadata> {
  const server = await getData(platform, hostname);
  if (server == null) {
    return generateEmbed({ title: "Unknown Server", description: "Server not responding" });
  }

  const { hostname: serverHostname, players } = server;

  let favicon = null; // Server favicon

  // Java specific
  if (platform === ServerPlatform.Java) {
    const javaServer = server as JavaMinecraftServer;
    favicon = javaServer.favicon && javaServer.favicon.url;
  }

  const description = `
    ${capitalizeFirstLetter(platform)} Server
    Hostname: ${serverHostname}
    ${players.online}/${players.max} players online`;

  return generateEmbed({
    title: `${serverHostname}`,
    description: description,
    image: favicon,
  });
}

async function getData(platform: ServerPlatform, id: string): Promise<MinecraftServer | null> {
  try {
    const cachedServer = await getServer(platform, id);
    return cachedServer.server;
  } catch (error) {
    return null; // Server not found
  }
}

export default async function Page({ params: { platform, hostname } }: Params) {
  const server = await getData(platform, hostname);

  let favicon = null; // Server favicon

  // Java specific
  if (server && platform === ServerPlatform.Java) {
    const javaServer = server as JavaMinecraftServer;
    favicon = javaServer.favicon && javaServer.favicon.url;
  }

  return (
    <div className="h-full flex flex-col items-center">
      <div className="mb-4 text-center">
        <h1 className="text-xl">Lookup a {capitalizeFirstLetter(platform)} Server</h1>
        <p>You can enter a server hostname to get information about the server.</p>

        <LookupServer />
      </div>

      <Card>
        {server == null && <NotFound message="Server not responding" />}
        {server != null && (
          <div className="flex gap-2 flex-col md:flex-row">
            {favicon && (
              <div className="flex justify-center md:justify-start">
                <Image className="w-[96px] h-[96px]" src={favicon} width={96} height={96} alt="The server's favicon" />
              </div>
            )}

            <div className="flex flex-col">
              <h2 className="text-xl">{server.hostname}</h2>
              <div className="text-gray-300">
                <p>
                  Players online: {server.players.online}/{server.players.max}
                </p>
              </div>
            </div>
          </div>
        )}
      </Card>
    </div>
  );
}