auth.ts

import NextAuth from "next-auth"
import "next-auth/jwt"
import CredentialsProvider from "next-auth/providers/credentials"
import type { NextAuthConfig } from "next-auth"

const config = {
  theme: { logo: "https://authjs.dev/img/logo-sm.png" },
  providers: [
    CredentialsProvider({
      async authorize(credentials: Partial<Record<string, unknown>>): Promise<any> {
        return {
          'authenticated': true,
          'username': credentials.username
        }
      }
    })
  ],
  basePath: "/auth",
  callbacks: {
    authorized({ request, auth }) {
      const { pathname } = request.nextUrl
      if (pathname === "/middleware-example") return !!auth
      return true
    },
    jwt({ token, trigger, session, account }) {
      if (trigger === "update") token.name = session.user.name
      if (account?.provider === "keycloak") {
        return { ...token, accessToken: account.access_token }
      }
      return token
    },
    async session({ session, token }) {
      if (token?.accessToken) {
        session.accessToken = token.accessToken
      }
      return session
    },
  },
  experimental: {
    enableWebAuthn: true,
  },
  debug: process.env.NODE_ENV !== "production" ? true : false,
} satisfies NextAuthConfig

export const { handlers, auth, signIn, signOut } = NextAuth(config)

declare module "next-auth" {
  interface Session {
    accessToken?: string
  }
}

declare module "next-auth/jwt" {
  interface JWT {
    accessToken?: string
  }
}