middleware.ts

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

const { auth } = NextAuth(authConfig);

// TypeScript anotace pro vypnutí typové kontroly pro parametr req
// @ts-ignore
export default auth((req: any) => {
    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 null;
    }

    if (isAuthRoute){
        if (isLoggedIn) {
            return Response.redirect(new URL(DEFAULT_LOGIN_REDIRECT, nextUrl))
        }
        return null;
    }
    if (!isLoggedIn && !isPublicRoute) {
        return Response.redirect(new URL("/auth/login", nextUrl));
    }
    return null;
})

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