export async function GET(req: Request) {
  const urlParams = new URL(req.url).searchParams;

  const code = urlParams.get("code");

  console.log(`CODE: ${code}`);

  return NextResponse.redirect('http://localhost:3000')
}

        client_id: process.env.DISCORD_CLIENT_ID,
        client_secret: process.env.DISCORD_CLIENT_SECRET,
        grant_type: "authorization_code",
        code: code,
        redirect_uri: redirect_uri

const response = await fetch("https://discord.com/api/users/@me", {
    headers: {
        Authorization: `Bearer ${tokens.accessToken}`
    }
});
const user = await response.json();

{
  "redirect_uri": [
    "Not a well formed URL."
  ]
}

import { NextResponse } from "next/server";
import querystring from "querystring";

export async function GET(req: Request) {
  const urlParams = new URL(req.url).searchParams;

  const code = urlParams.get("code");
  const creds = btoa(`${process.env.CLIENT_ID}:${process.env.CLIENT_SECRET}`);
  const redirect = encodeURIComponent(
    "http://localhost:3000/api/auth/discord/callback",
  );

  const response = await fetch(`https://discord.com/api/oauth2/token`, {
    method: "POST",
    headers: {
      Authorization: `Basic ${creds}`,
      "Content-Type": "application/x-www-form-urlencoded",
    },
    body: querystring.stringify({
      grant_type: "authorization_code",
      code: code,
      redirect_uri: redirect,
    }),
  });

  console.log("RESPONSE:");
  console.log(response);`
}