import NextAuth, { type DefaultSession } from "next-auth";
import Gitea, { GiteaProfile } from "@/lib/providers/gitea";

declare module "next-auth" {
  interface User extends GiteaProfile {}

  interface Session {
    user: {
      language: string;
    } & DefaultSession["user"];
  }
}

export const { handlers, signIn, signOut, auth } = NextAuth({
  providers: [
    Gitea({
      clientId: process.env.AUTH_GITEA_ID,
      clientSecret: process.env.AUTH_GITEA_SECRET,
      enterprise: {
        baseUrl: process.env.AUTH_GITEA_URL,
      },
    }),
  ],
  secret: process.env.AUTH_SECRET,
  callbacks: {
    jwt({ token, user }) {
      if (user) {
        token.language = user.language;
      }
      return token;
    },
    session({ session, token }) {
      session.user.language = token.language as string;
      return session;
    },
  },
});