import { redirect } from "next/navigation";
import { getSessionUser, type SessionUser } from "@/lib/session";

export async function getCurrentUser(): Promise<SessionUser | null> {
  return getSessionUser();
}

export async function requireUser(): Promise<SessionUser> {
  const user = await getSessionUser();
  if (!user) redirect("/login");
  return user;
}

export async function requireAdmin(): Promise<SessionUser> {
  const user = await getSessionUser();
  if (!user) redirect("/login");
  if (user.role !== "admin") redirect("/");
  return user;
}

export async function requireOperator(): Promise<SessionUser> {
  const user = await getSessionUser();
  if (!user) redirect("/login");
  if (user.role !== "operator") redirect("/");
  return user;
}