import { getStorageKey } from "./config.js";
import { parseUserConsent, serializeUserConsent } from "./preferences.js";

export function readStoredConsent() {
  if (typeof window === "undefined") return null;

  try {
    const raw = window.localStorage.getItem(getStorageKey());
    if (!raw) return null;

    try {
      return parseUserConsent(JSON.parse(raw));
    } catch {
      return parseUserConsent(raw);
    }
  } catch {
    return null;
  }
}

export function writeStoredConsent(consent) {
  if (typeof window === "undefined") return false;

  try {
    window.localStorage.setItem(getStorageKey(), serializeUserConsent(consent));
    return true;
  } catch {
    return false;
  }
}