import NextAuth from 'next-auth'
import Credentials from 'next-auth/providers/credentials'
import { authConfig } from './auth.config'

export const { handlers, auth, signIn, signOut } = NextAuth({
  ...authConfig,
  providers: [
    Credentials({
      id: 'credentials',
      name: 'E-mail i hasło',
      credentials: {
        email: { label: 'E-mail', type: 'email' },
        password: { label: 'Hasło', type: 'password' },
      },
      async authorize(credentials) {
        const [{ findUserByEmail }, { compare }] = await Promise.all([
          import('@/lib/users'),
          import('bcryptjs'),
        ])
        const email = credentials?.email
        const password = credentials?.password
        if (typeof email !== 'string' || typeof password !== 'string') return null

        const user = await findUserByEmail(email)
        if (!user?.password) return null

        const ok = await compare(password, user.password)
        if (!ok) return null

        return {
          id: user.id,
          email: user.email,
          name: user.name,
        }
      },
    }),
  ],
})