'use strict';

(function exposeLibraryModel(root, factory) {
  const api = factory();
  if (typeof module === 'object' && module.exports) module.exports = api;
  else root.chimeraLibraryModel = api;
})(typeof globalThis !== 'undefined' ? globalThis : window, function createLibraryModel() {
  function items(response) {
    if (Array.isArray(response)) return response;
    return Array.isArray(response?.items) ? response.items : [];
  }
  function isInstalled(title) { return Number(title?.availability?.confirmedInstallCount || 0) > 0; }
  function hasLocalCopy(title) { return Number(title?.protection?.localCopyCount || title?.availability?.localCopyCount || 0) > 0; }
  function needsProtection(title) { return isInstalled(title) && !hasLocalCopy(title); }
  return Object.freeze({ items, isInstalled, hasLocalCopy, needsProtection });
});