const qs = require('qs');
const $ = require("jquery");
var Utils = 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 = {

}

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 Utils((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);
      },
    });
  });
}

//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
  }
}

module.exports = {
  config,
  post,
  getUrlArgObject,
  isIe8
};