(function (global) {
  'use strict';
  function getMiniTool() {
    return global.xhs && global.xhs.miniTool ? global.xhs.miniTool : null;
  }
  function setLocalData(key, data) {
    var serialized = JSON.stringify(data);
    var mt = getMiniTool();
    if (mt && typeof mt.setStorage === 'function') {
      return Promise.resolve(mt.setStorage({ key: key, data: serialized }))
        .then(function () { return true; })
        .catch(function () {
          try { localStorage.setItem(key, serialized); return true; } catch (e) { return false; }
        });
    }
    try { localStorage.setItem(key, serialized); return Promise.resolve(true); } catch (e) {
      return Promise.resolve(false);
    }
  }
  function getLocalData(key) {
    var mt = getMiniTool();
    if (mt && typeof mt.getStorage === 'function') {
      return Promise.resolve(mt.getStorage({ key: key }))
        .then(function (res) {
          var raw = res && (res.data || res);
          if (typeof raw === 'string') {
            try { return JSON.parse(raw); } catch (e) { return null; }
          }
          return raw || null;
        })
        .catch(function () {
          try { return JSON.parse(localStorage.getItem(key) || 'null'); } catch (e) { return null; }
        });
    }
    try { return Promise.resolve(JSON.parse(localStorage.getItem(key) || 'null')); } catch (e) {
      return Promise.resolve(null);
    }
  }
  global.NomadroXhs = { setLocalData: setLocalData, getLocalData: getLocalData };
})(window);