import { NextAuthOptions } from "next-auth";
import CredentialsProvider from "next-auth/providers/credentials";
import bcrypt from "bcryptjs";
import { prisma } from "./prisma";

export const authOptions: NextAuthOptions = {
  providers: [
    CredentialsProvider({
      name: "credentials",
      credentials: {
        username: { label: "Username", type: "text" },
        password: { label: "Password", type: "password" },
      },
      async authorize(credentials) {
        if (!credentials?.username || !credentials?.password) return null;
        const admin = await prisma.admin.findUnique({
          where: { username: credentials.username },
        });
        if (!admin) return null;
        const isValid = await bcrypt.compare(credentials.password, admin.password);
        if (!isValid) return null;
        return { id: admin.id, name: admin.username };
      },
    }),
  ],
  session: { strategy: "jwt" },
  pages: { signIn: "/admin/login" },
  callbacks: {
    async jwt({ token, user }) {
      if (user) token.id = user.id;
      return token;
    },
    async session({ session, token }) {
      if (session.user) {
        (session.user as Record<string, unknown>).id = token.id;
      }
      return session;
    },
  },
};