middleware.ts

import authConfig from "./auth.config";
import NextAuth from "next-auth";
const { auth } = NextAuth(authConfig);
import {
  publicRoutes,
  authRoutes,
  apiAuthPrefix,
  DEFAULT_LOGIN_REDIRECT,
} from "./routes";

export default auth((req) => {
  const { nextUrl } = req;
  const isLoggedIn = !!req.auth;

  const isAPIAuthRoute = nextUrl.pathname.startsWith(apiAuthPrefix);
  const isPublicRoute = publicRoutes.includes(nextUrl.pathname);
  const isAuthRoute = authRoutes.includes(nextUrl.pathname);

  if (isAPIAuthRoute) return;

  if (isAuthRoute) {
    if (isLoggedIn)
      return Response.redirect(new URL(DEFAULT_LOGIN_REDIRECT, nextUrl));
    return;
  }

  if (!isLoggedIn && !isPublicRoute) {
    let callbackUrl = nextUrl.pathname;
    if (nextUrl.search) callbackUrl += nextUrl.search;
    console.log("callbackUrl: ", callbackUrl);

    const encodedCallbackUrl = encodeURIComponent(callbackUrl);
    console.log(encodedCallbackUrl);

    return Response.redirect(
      new URL(`/auth/login?callbackUrl=${encodedCallbackUrl}`, nextUrl)
    );
  }

  return;
});

export const config = {
  matcher: ["/((?!.*\\..*|_next).*)", "/", "/(api|trpc)(.*)"],
};