/**
 * Storage 本地存储 检验过期
 * @type {{set: Storage.set, get: Storage.get, remove: Storage.remove}}
 * exp 过期时间的秒数 一天的秒数 60 * 60 * 24
 */
const WebStorage = {
  // 保存
  set: function(key: string, value: string) {
    let curTime = new Date().getTime();
    return window.localStorage.setItem(key, window.JSON.stringify({ data: value, time: curTime }));
  },

  // 查询
  get: function(key: string, exp?: number) {
    const local = window.localStorage.getItem(key)
    let obj = window.JSON.parse(local as string);
    if (!obj || !obj.data) return false; //无记录
    if (exp && new Date().getTime() - obj.time > exp * 1000) {
      //过期
      return false;
    } else {
      return obj.data;
    }
  },

  // 删除
  remove: function(key: string) {
    return window.localStorage.removeItem(key);
  },

  // 判断浏览器是否支持 hasLocalSotrage
  hasLocalSotrage: function() {
    return window.localStorage;
  },

  //设置cookie
  setCookie: function(key: string, value: string, day: number) {
    let t = day || 30;
    let d = new Date();
    d.setTime(d.getTime() + t * 24 * 60 * 60 * 1000);
    let expires = 'expires=' + d.toUTCString();
    window.document.cookie = key + '=' + value + '; ' + expires;
  },

  //获取cookie
  getCookie: function(name: string) {
    let arr,
      reg = new RegExp('(^|)' + name + '=([^]*)(|$)');
    if (arr === window.document.cookie.match(reg)) {
      return arr[2];
    } else {
      return null;
    }
  },
};

export default WebStorage;