auth.ts

import NextAuth from "next-auth"
import Credentials from "next-auth/providers/credentials"
import { db } from "@/lib/db"
import bcrypt from "bcryptjs"
import { z } from "zod"

export const { handlers, signIn, signOut, auth } = NextAuth({
  providers: [
    Credentials({
      credentials: {
        email: { label: "Email", type: "email" },
        password: { label: "Password", type: "password" },
      },
      authorize: async (credentials) => {
        const parsedCredentials = z
          .object({ email: z.string().email(), password: z.string().min(6) })
          .safeParse(credentials)

        if (!parsedCredentials.success) return null

        const { email, password } = parsedCredentials.data

        const user = await db.user.findUnique({
          where: { email },
        })

        if (!user) return null

        const passwordMatch = await bcrypt.compare(password, user.password)

        if (!passwordMatch) return null

        return {
          id: user.id,
          email: user.email,
          name: user.name,
        }
      },
    }),
  ],
  pages: {
    signIn: "/login",
  },
  callbacks: {
    authorized: async ({ auth }) => {
      return !!auth
    },
  },
})