auth.ts

import { authConfig } from '@/auth.config'
import { getUser } from '@/lib/data'
import bcrypt from 'bcrypt'
import NextAuth from 'next-auth'
import Credentials from 'next-auth/providers/credentials'
import { z } from 'zod'

export const { auth, signIn, signOut } = NextAuth({
  ...authConfig,
  providers: [
    Credentials({
      async authorize(credentials, req): Promise<any> {
        const parsedCredentials = z
          // FIXME: Move min password length to config
          .object({ email: z.string().email(), password: z.string().min(6) })
          .safeParse(credentials)

        if (parsedCredentials.success) {
          const { email, password } = parsedCredentials.data

          const user = await getUser(email)

          if (!user) return null

          const passwordsMatch = await bcrypt.compare(password, user.password)
          if (passwordsMatch) return user
        }

        console.error('Invalid credentials')
        return null
      },
    }),
  ],
})