export type AuthFilesUiState = {
  filter?: string;
  search?: string;
  page?: number;
  pageSize?: number;
};

const AUTH_FILES_UI_STATE_KEY = 'authFilesPage.uiState';

export const readAuthFilesUiState = (): AuthFilesUiState | null => {
  if (typeof window === 'undefined') return null;
  try {
    const raw = window.sessionStorage.getItem(AUTH_FILES_UI_STATE_KEY);
    if (!raw) return null;
    const parsed = JSON.parse(raw) as AuthFilesUiState;
    return parsed && typeof parsed === 'object' ? parsed : null;
  } catch {
    return null;
  }
};

export const writeAuthFilesUiState = (state: AuthFilesUiState) => {
  if (typeof window === 'undefined') return;
  try {
    window.sessionStorage.setItem(AUTH_FILES_UI_STATE_KEY, JSON.stringify(state));
  } catch {
    // ignore
  }
};