const app = getApp()

function getCode(obj) {
  var md4 = objKeySort(obj)
  console.log(md4)
  var md5 = require("md5.js");
  console.log(md5.hex_md5(md4).toUpperCase());
  var md5 = md5.hex_md5(md4).toUpperCase();
  return md5;
}

function getTimestamp() {
  var myDate = new Date();
  var timestamp = formatTime(myDate.getTime(), "YMDHMS");
  console.log(timestamp);
  return timestamp;

}

function formatTime(value, type) {
  // console.log("............" + value);
  var dataTime = "";
  var data = new Date();
  data.setTime(value);
  var year = data.getFullYear();
  var month = addZero(data.getMonth() + 1);
  var day = addZero(data.getDate());
  var hour = addZero(data.getHours());
  var minute = addZero(data.getMinutes());
  var second = addZero(data.getSeconds());
  if (type == "YMD") {
    dataTime = year + "-" + month + "-" + day;
  } else if (type == "YMDHMS") {
    dataTime = year + "-" + month + "-" + day + " " + hour + ":" + minute + ":" + second;
  } else if (type == "MDHMS") {
    dataTime = month + "-" + day + " " + hour + ":" + minute + ":" + second;
    // dataTime =123;
  } else if (type == "HMS") {
    dataTime = hour + ":" + minute + ":" + second;
  } else if (type == "YM") {
    dataTime = year + "-" + month;

  }
  return dataTime; //灏嗘牸寮忓寲鍚庣殑瀛楃涓茶緭鍑哄埌鍓嶇鏄剧ず

};

function addZero(val) {
  if (val < 10) {
    return "0" + val;
  } else {
    return val;
  }
};

function apiHeader(obj) {
  var timestamp = getTimestamp();
  var sign = getCode(obj);
  var data = {
    appkey: 'mini_program_7ece3406-77f7-4939-8772-6918910f1c9f',
    version: '2.0',
    timestamp: timestamp,
    sign: sign,
    "Content-Type": "application/x-www-form-urlencoded"
  }
  return data
}
function objKeySort(obj) {//排序的函数
  var timestamp = getTimestamp();

  obj.appkey = 'mini_program_7ece3406-77f7-4939-8772-6918910f1c9f';
  obj.version = '2.0';
  obj.timestamp = timestamp;

  var newkey = Object.keys(obj).sort();
  　　//先用Object内置类的keys方法获取要排序对象的属性名，再利用Array原型上的sort方法对获取的属性名进行排序，newkey是一个数组
  var newObj = {};//创建一个新的对象，用于存放排好序的键值对
  for (var i = 0; i < newkey.length; i++) {//遍历newkey数组
    newObj[newkey[i]] = obj[newkey[i]];//向新创建的对象中按照排好的顺序依次增加键值对
  }
  console.log(newObj)
  var objToStr=""
  for (var key in newObj) {
    objToStr = objToStr+ key + newObj[key]
  }
  delete obj.appkey;
  delete obj.version;
  delete obj.timestamp;

  return objToStr;//返回排好序的新对象
}
// var obj = { name: "zhangsan", age: 8, ace: 5, nbme: "lisi" };//要排序的对象
// objKeySort(obj);  //函数执行


module.exports = {
  objKeySort: objKeySort,
  apiHeader: apiHeader
}