import { cookies } from "next/headers";

export type UserProfile = {
  id: string;
  email?: string;
  name?: string;
  username?: string;
  roles: string[];
  picture?: string
};

export async function getUserProfile(): Promise<UserProfile | null> {
  const cookieStore = cookies();
  const token = (await cookieStore).get("access_token")?.value;

  if (!token) return null;

  try {
    const payload = JSON.parse(
      Buffer.from(token.split(".")[1], "base64").toString()
    );

    return {
      id: payload.sub,
      email: payload.email,
      name: payload.name,
      username: payload.preferred_username,
      picture: payload.picture,
      roles: payload.realm_access?.roles || [],
    };
  } catch (err) {
    return null;
  }
}