auth.config.ts

import bcrypt from "bcryptjs";
import type { 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";

// دالة لإنشاء اسم مستخدم من البريد الإلكتروني
const generateUsernameFromEmail = (email: string) => {
  const [username] = email.split("@");
  return username;
};
export default {
  providers: [
    Google({
      clientId: process.env.GOOGLE_CLIENT_ID,
      clientSecret: process.env.GOOGLE_CLIENT_SECRET,
      authorization: {
        params: {
          prompt: "consent",
          access_type: "offline",
          response_type: "code",
        },
      },
    }),
    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 passwordsMatch = await bcrypt.compare(password, user.password);
          if (passwordsMatch) {
            const username = generateUsernameFromEmail(email);
            return { ...user, username };
          }
        }

        return null;
      },
    }),
  ],
} satisfies NextAuthConfig;