const qs = require('qs');
const $ = require("jquery");
var Promise = require('./rePromise');
//重写assign方法
if (typeof Object.assign != 'function') {
  Object.assign = function (target) {
    'use strict';
    if (target == null) {
      throw new TypeError('Cannot convert undefined or null to object');
    }

    target = Object(target);
    for (var index = 1; index < arguments.length; index++) {
      var source = arguments[index];
      if (source != null) {
        for (var key in source) {
          if (Object.prototype.hasOwnProperty.call(source, key)) {
            target[key] = source[key];
          }
        }
      }
    }
    return target;
  };
}

window.console = window.console || (function () {
  var c = {}; c.log = c.warn = c.debug = c.info = c.error = c.time = c.dir = c.profile
    = c.clear = c.exception = c.trace = c.assert = function () { };
  return c;
})();

const config = {
  pushInner: '/api/data/push/push',
  calculate: '/api/data/calc/calculate',
  disclaimer: '/api/data/disclaimerInformation/getDisclaimerInformations',
  information: '/api/data/conceptDetail/getConceptDetail',
  informationMore: '/api/data/conceptDetail/getConceptDetails',
  pushScale: '/api/data/push/pushScale',
  getSysSetInfoDatas: '/api/data/sysSet/getSysSetInfoDatas',
  getMr: '/api/data/mrv2/getMr',
  getVersion: '/api/data/versionInfo/getVersionInfoAlls',
  getStaticKnowledge: '/api/data/search/getStaticKnowledge',
  getStaticScale: '/api/data/search/getScale',
  dictionaryInfo: '/api/data/dictionaryInfo/getList', //字典信息
  ruleTypeMap:{     //大数据推送参数featureType对应
    '22':'1,2',
    '11':'3',
    '8':'4,5'
  }
}
const imageUrlPrefix = 'http://192.168.2.241:82';
// const getUrlArgObject = function(parm) {  
//   var query = decodeURI(window.location.search);
//   var args = qs.parse(qs.parse(query.substr(1)));
//   return args[parm];//返回对象  
// } 

const getUrlArgObject = function getQueryString(name) {
  var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i");
  var reg_rewrite = new RegExp("(^|/)" + name + "/([^/]*)(/|$)", "i");
  var r = window.location.search.substr(1).match(reg);
  var q = window.location.pathname.substr(1).match(reg_rewrite);
  if (r != null) {
    return decodeURIComponent(r[2]);
  } else if (q != null) {
    return decodeURIComponent(q[2]);
  } else {
    return null;
  }
}

const post = function (url, data) {
  return new Promise((resolve, reject) => {
    $.ajax({
      method: 'post',
      url: url,
      data: JSON.stringify(data),
      contentType: "application/json; charset=UTF-8",
      beforeSend: function (xmlHttp) {
        xmlHttp.setRequestHeader("If-Modified-Since", "0");
        xmlHttp.setRequestHeader("Cache-Control", "no-cache");
      },
      success: function (res) {
        resolve({ data: res });
      },
      error: function (error) {
        reject(error);
      },
    });
  });
}
const newinConf = {
  width: '600',   //窗口的文档显示区的宽度。以像素计。
  height: '600',  //窗口文档显示区的高度。以像素计。
  left: '0',  //窗口的 x 坐标。以像素计。
  top: '0',    //窗口的 y 坐标。以像素计。
  openMode: "_blank"  //每次都是新窗口打开为_blank,打开同一窗口填写任意字符串
}

const newWindowLocation = `width=${newinConf.width}, height=${newinConf.height}, left=${newinConf.left}, top=${newinConf.top} scrollbars=yes`
const openNewWin = function (url) {
  window.open(url, newinConf.openMode, newWindowLocation)
}

//判断浏览器是否为Ie8
const isIe8 = function () {
  var DEFAULT_VERSION = 8.0;
  var ua = navigator.userAgent.toLowerCase();
  var isIE = ua.indexOf("msie") > -1;
  var safariVersion;
  if (isIE) {
    safariVersion = ua.match(/msie ([\d.]+)/)[1];
  }
  if (safariVersion <= DEFAULT_VERSION) {
    return true
  }
}

const throttle = function (fn, threshhold) {
  var timeout
  var start = new Date;
  var threshhold = threshhold || 160
  return function () {

    var context = this, args = arguments, curr = new Date() - 0

    clearTimeout(timeout)//总是干掉事件回调
    if (curr - start >= threshhold) {
      // console.log("now", curr, curr - start)//注意这里相减的结果，都差不多是160左右
      fn.apply(context, args) //只执行一部分方法，这些方法是在某个时间段内执行一次
      start = curr
    } else {
      //让方法在脱离事件后也能执行一次
      timeout = setTimeout(function () {
        fn.apply(context, args)
      }, threshhold);
    }
  }
}

module.exports = {
  config,
  post,
  getUrlArgObject,
  imageUrlPrefix,
  throttle,
  openNewWin,
  isIe8
}