auth.ts

import NextAuth from "next-auth";
import authConfig from "./auth.config";
import { PrismaAdapter } from "@auth/prisma-adapter";
import { db } from "./lib/db";
import { AccountType } from "@prisma/client";
import { getUserById } from "./data/user";

export const {
  handlers: { GET, POST },
  auth,
  signIn,
  signOut,
} = NextAuth({
  pages: {
    signIn: "/auth/sign-in",
    signOut: "/",
    error: "/auth/error",
  },
  events: {
    async linkAccount({ user }) {
      await db.user.update({
        where: {
          id: user.id,
        },
        data: {
          emailVerified: new Date(),
        },
      });
    },
  },
  callbacks: {
    async signIn({ user }) {
      
      const existingUser = await getUserById(user.id!)

      if (!existingUser?.emailVerified) return false;

      return true;
    },

    async session({ token, session }) {
      if (token.sub && session.user) {
        session.user.id = token.sub;
      }

      if (token.type && session.user) {
        session.user.type = token.type as AccountType;
      }

      if (session.user) {
        session.user.name = token.name;
        session.user.email = token.email!;
        session.user.type = token.type as AccountType;
        session.user.image = token.image as unknown as string | null;
      }

      return session;
    },

    async jwt({ token }) {
      if (!token.sub) return token;

      const existingUser = await getUserById(token.sub);

      if (!existingUser) return token;

      token.name = existingUser.user_name;
      token.email = existingUser.email;
      token.type = existingUser.accountType;
      token.image = existingUser.image;

      return token;
    },
  },
  adapter: PrismaAdapter(db),
  session: { strategy: "jwt" },
  ...authConfig,
});