auth.config.ts

import bcrypt from "bcryptjs"

import { NextAuthConfig } from "next-auth"
import Credentials from "next-auth/providers/credentials"

import Github from "next-auth/providers/github"
import Google from "next-auth/providers/google"

import { LoginSchema } from "@/schemas"
import { getUserByEmail } from "@/data/user"

export default {
  providers: [
    Google({
      clientId: process.env.GOOGLE_CLIENT_ID,
      clientSecret: process.env.GOOGLE_CLIENT_SECRET
    }),
    Github({
      clientId: process.env.GITHUB_CLIENT_ID,
      clientSecret: process.env.GITHUB_CLIENT_SECRET
    }),
    Credentials({
      async authorize(credentials) {
        const validatedFields = LoginSchema.safeParse(credentials)

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

          const user = await getUserByEmail(email)

          if (!user || !user.password) {
            return null
          }

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

          if (passwordMatch) return user
        }

        return null
      }
    })
  ]
} satisfies NextAuthConfig