import { GetServerSideProps } from "next";
import Head from "next/head";
import Link from "next/link";
import prisma from "../lib/prisma";
import Avatar from "../components/Avatar";

export default function User(props): User {
  const eventTypes = props.eventTypes.map((type) => (
    <li key={type.id}>
      <Link href={`/${props.user.username}/${type.slug}`}>
        <a className="block px-6 py-4">
          <div
            className="inline-block w-3 h-3 rounded-full mr-2"
            style={{ backgroundColor: getRandomColorCode() }}></div>
          <h2 className="inline-block font-medium">{type.title}</h2>
          <p className="inline-block text-gray-400 ml-2">{type.description}</p>
        </a>
      </Link>
    </li>
  ));
  return (
    <div>
      <Head>
        <title>{props.user.name || props.user.username} | Calendso</title>
        <link rel="icon" href="/favicon.ico" />
      </Head>

      <main className="max-w-2xl mx-auto my-24">
        <div className="mb-8 text-center">
          <Avatar user={props.user} className="mx-auto w-24 h-24 rounded-full mb-4" />
          <h1 className="text-3xl font-semibold text-gray-800 mb-1">
            {props.user.name || props.user.username}
          </h1>
          <p className="text-gray-600">{props.user.bio}</p>
        </div>
        <div className="bg-white shadow overflow-hidden rounded-md">
          <ul className="divide-y divide-gray-200">{eventTypes}</ul>
          {eventTypes.length == 0 && (
            <div className="p-8 text-center text-gray-400">
              <h2 className="font-semibold text-3xl text-gray-600">Uh oh!</h2>
              <p className="max-w-md mx-auto">This user hasn&apos;t set up any event types yet.</p>
            </div>
          )}
        </div>
      </main>
    </div>
  );
}

export const getServerSideProps: GetServerSideProps = async (context) => {
  const user = await prisma.user.findFirst({
    where: {
      username: context.query.user.toLowerCase(),
    },
    select: {
      id: true,
      username: true,
      email: true,
      name: true,
      bio: true,
      avatar: true,
      eventTypes: true,
    },
  });

  if (!user) {
    return {
      notFound: true,
    };
  }

  const eventTypes = await prisma.eventType.findMany({
    where: {
      userId: user.id,
      hidden: false,
    },
  });

  return {
    props: {
      user,
      eventTypes,
    },
  };
};

// Auxiliary methods
export function getRandomColorCode(): string {
  let color = "#";
  for (let idx = 0; idx < 6; idx++) {
    color += Math.floor(Math.random() * 10);
  }
  return color;
}