middleware.ts

import authConfig from "@/auth.config"
import NextAuth from "next-auth";
import { authRoutes, DEFAULT_LOGIN_REDIRECT, publicRoutes, protectedRoutes, apiAuthPrefix } from "@/routes";

const {auth} = NextAuth(authConfig);

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

    console.log("login"+ isLoggedIn);

    const isApiAuthRoute = nextUrl.pathname.startsWith(apiAuthPrefix);
    const isProtectedRoute = protectedRoutes.includes(nextUrl.pathname);
    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;
        }
        const encodedCallbackUrl = encodeURIComponent(callbackUrl);
        return Response.redirect(new URL(`/auth/login?callbackUrl=${encodedCallbackUrl}`, nextUrl));
    }

    return;

})

export const config = {
    matcher: [
      // Skip Next.js internals and all static files, unless found in search params
      '/((?!_next|[^?]*\\.(?:html?|css|js(?!on)|jpe?g|webp|png|gif|svg|ttf|woff2?|ico|csv|docx?|xlsx?|zip|webmanifest)).*)',
      // Always run for API routes
      '/(api|trpc)(.*)',
    ],
  }