import NextAuth from "next-auth";
import Credentials from "next-auth/providers/credentials";
import { compare } from "bcryptjs";
import { prisma } from "@/lib/prisma";

export const { handlers, auth, signIn, signOut } = NextAuth({
  session: { strategy: "jwt" },
  pages: { signIn: "/login" },
  providers: [
    Credentials({
      credentials: {
        email: { label: "Email", type: "email" },
        password: { label: "Password", type: "password" },
      },
      async authorize(credentials) {
        if (!credentials?.email || !credentials?.password) return null;

        const user = await prisma.user.findUnique({
          where: { email: credentials.email as string },
        });
        if (!user) return null;

        const valid = await compare(credentials.password as string, user.password);
        if (!valid) return null;

        return { id: user.id, name: user.name, email: user.email, role: user.role } as unknown as { id: string; name: string; email: string; role: string };
      },
    }),
  ],
  callbacks: {
    jwt({ token, user }) {
      if (user) {
        token.id = user.id;
        token.role = (user as { role: string }).role;
      }
      return token;
    },
    session({ session, token }) {
      if (session.user) {
        session.user.id = token.id as string;
        (session.user as unknown as { role: string }).role = token.role as string;
      }
      return session;
    },
  },
});