export type SessionData = {
  id: string;
  token?: string | null;
  room?: string | null;
  username?: string | null;
  studioUrl?: string | null;
  createdAt: number;
};

const sessionStore = new Map<string, SessionData>();

export function saveSession(id: string, data: Omit<Partial<SessionData>, 'id'>) {
  const payload: SessionData = {
    id,
    token: data.token ?? null,
    room: data.room ?? null,
    username: data.username ?? null,
    studioUrl: data.studioUrl ?? null,
    createdAt: Date.now(),
  };
  sessionStore.set(id, payload);
  return payload;
}

export function getSession(id: string): SessionData | null {
  return sessionStore.get(id) || null;
}

export function deleteSession(id: string): boolean {
  return sessionStore.delete(id);
}

export function listSessions() {
  return Array.from(sessionStore.values());
}