import { createContext, useContext } from "react";

export type NotificationSession = {
  dismissedIds: ReadonlySet<string>;
  readIds: ReadonlySet<string>;
  dismiss: (ids: string[]) => void;
  markRead: (ids: string[]) => void;
};

export const NotificationSessionContext = createContext<NotificationSession | null>(null);

export function useNotificationSession(): NotificationSession {
  const session = useContext(NotificationSessionContext);
  if (!session) {
    throw new Error("useNotificationSession must be used within a NotificationSessionProvider");
  }
  return session;
}