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

export const authOptions = {
  providers: [
    CredentialsProvider({
      name: "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 isPasswordValid = await bcrypt.compare(
          credentials.password as string,
          user.passwordHash
        );

        if (!isPasswordValid) {
          return null;
        }

        return {
          id: user.id,
          email: user.email,
          name: user.name,
          role: user.role,
        };
      },
    }),
  ],
  session: {
    strategy: "jwt" as const,
  },
  pages: {
    signIn: "/admin/login",
  },
  callbacks: {
    async jwt({ token, user }: { token: any; user?: any }) {
      if (user) {
        token.role = user.role;
      }
      return token;
    },
    async session({ session, token }: { session: any; token: any }) {
      if (session.user) {
        session.user.id = token.sub;
        session.user.role = token.role;
      }
      return session;
    },
  },
};

const handler = NextAuth(authOptions);

export const auth = handler.auth;
export const signIn = handler.signIn;
export const signOut = handler.signOut;
export default handler;