function formatTime(date) {
  var year = date.getFullYear()
  var month = date.getMonth() + 1
  var day = date.getDate()

  var hour = date.getHours()
  var minute = date.getMinutes()
  var second = date.getSeconds()

  return [year, month, day].map(formatNumber).join('-') + ' ' + [hour, minute].map(formatNumber).join(':')
}

function formatTime_date(date) {
  var year = yearFormString(date)
  var month = monthFormString(date) 
  var day = dayFormString(date)
  return [year, month, day].map(formatNumber).join('-') 
}
function formatTime_month(date) {
  var year = yearFormString(date)
  var month = monthFormString(date)
  return [year, month].map(formatNumber).join('-')
}

function formatDate_min(date) {
  var year = yearFormString(date)
  var month = monthFormString(date)
  var day = dayFormString(date)
  return [year, month, day].map(formatNumber).join('/')
}

function formatNumber(n) {
  n = n.toString()
  return n[1] ? n : '0' + n
}

function formatDateString(dateStr) {
  var date = new Date()
  date.setTime(dateStr * 1000)
  var newDate = this.formatTime(date)
  return newDate
}
function yearFormString(dateStr) {
  var date = new Date()
  date.setTime(dateStr * 1000)
  var year = date.getFullYear()
  return year
}
function monthFormString(dateStr) {
  var date = new Date()
  date.setTime(dateStr * 1000)
  var month = date.getMonth() + 1
  return month
}
function dayFormString(dateStr) {
  var date = new Date()
  date.setTime(dateStr * 1000)
  var day = date.getDate()
  return day
}

// 两个日期间隔天数
function daysTillNow(startDate, endDate){
  var days = (endDate - startDate) / (24 * 60 * 60 );
  return Math.floor(days);
}

//获取当前时间，格式YYYY-MM-DD
function curDateTime() {
    var d = new Date();
    var year = d.getFullYear();
    var month = d.getMonth() + 1;
    var date = d.getDate();
    var curDateTime = year;
    if (month > 9)
      curDateTime = curDateTime + "-" + month;
    else
      curDateTime = curDateTime + "-0" + month;
    if (date > 9)
      curDateTime = curDateTime + "-" + date;
    else
      curDateTime = curDateTime + "-0" + date;
    return curDateTime;
}

/** 
  * 检验18位身份证号码（15位号码可以只检测生日是否正确即可） 
  * @author wolfchen 
  * @param idCardNo 18为的身份证号码
  * @return Boolean 是否合法 
  **/
function isIDCardNum(idCardNo) {
  var regID_18 = /^[1-9]\d{5}(18|19|([23]\d))\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\d{3}[0-9Xx]$/;
  var regID_15 = /^[1-9]\d{5}\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\d{2}$/;
  var arrExp = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];//加权因子  
  var arrValid = [1, 0, "X", 9, 8, 7, 6, 5, 4, 3, 2];//校验码  
  if (regID_15.test(idCardNo)) {
    return true;
  } else if (regID_18.test(idCardNo)) {
    var sum = 0, idx;
    for (var i = 0; i < idCardNo.length - 1; i++) {
      // 对前17位数字与权值乘积求和  
      sum += parseInt(idCardNo.substr(i, 1), 10) * arrExp[i];
    }
    // 计算模（固定算法）  
    idx = sum % 11;
    // 检验第18为是否与校验码相等  
    return arrValid[idx] == idCardNo.substr(17, 1).toUpperCase();
  } else {
    return false;
  }
}
function analyzeIDCard(IDCard){
  var sexAndAge = {}
  //获取用户身份证号码
  var userCard = IDCard;
  //如果身份证号码为undefind则返回空
  if (!userCard) {
    return sexAndAge;
  }
  //获取性别
  if (parseInt(userCard.substr(16, 1)) % 2 == 1) {
    sexAndAge.sex = '男'
  } else {
    sexAndAge.sex = '女'
  }
  //获取出生年月日
  //userCard.substring(6,10) + "-" + userCard.substring(10,12) + "-" + userCard.substring(12,14);
  var yearBirth = userCard.substring(6, 10);
  var monthBirth = userCard.substring(10, 12);
  var dayBirth = userCard.substring(12, 14);
  //出生日期
  sexAndAge.birthDay = yearBirth + '-' + monthBirth + '-' + dayBirth;

  //获取当前年月日并计算年龄
  var myDate = new Date();
  var monthNow = myDate.getMonth() + 1;
  var dayNow = myDate.getDate();
  var age = myDate.getFullYear() - yearBirth;
  if (monthNow < monthBirth || (monthNow == monthBirth && dayNow < dayBirth)) {
    age--;
  }
  //得到年龄
  sexAndAge.age = age;
  //返回性别和年龄
  return sexAndAge;
}
function isMobile(mobile) {
  var regMobile = /^(13[0-9]|14[5-9]|15[012356789]|166|17[0-8]|18[0-9]|19[8-9])[0-9]{8}$/;
  return regMobile.test(mobile)
}

//验证字符串是否是数字
function checkNumber(theObj) {
  var reg01 = /^[0-9]+.?[0-9]*$/;
  var reg02 = /^[0-9]+$/;
  if (reg01.test(theObj) || reg02.test(theObj)) {
    return true;
  }
  return false;
}

function getAge(birthdate) {
  var yearBirth = birthdate.substring(0, 4);
  var monthBirth = birthdate.substring(5, 7);
  var dayBirth = birthdate.substring(8, 10);
  //获取当前年月日并计算年龄
  var myDate = new Date();
  var monthNow = myDate.getMonth() + 1;
  var dayNow = myDate.getDate();
  var age = myDate.getFullYear() - yearBirth;
  if (monthNow < monthBirth || (monthNow == monthBirth && dayNow < dayBirth)) {
    age--;
  }
  return age;
}

//银行卡号码检测
function banknoCheck(bankno) {
  var lastNum = bankno.substr(bankno.length - 1, 1); //取出最后一位（与luhn进行比较）
  var first15Num = bankno.substr(0, bankno.length - 1); //前15或18位
  var newArr = new Array();
  for (var i = first15Num.length - 1; i > -1; i--) { //前15或18位倒序存进数组
    newArr.push(first15Num.substr(i, 1));
  }
  var arrJiShu = new Array(); //奇数位*2的积 <9
  var arrJiShu2 = new Array(); //奇数位*2的积 >9
  var arrOuShu = new Array(); //偶数位数组
  for (var j = 0; j < newArr.length; j++) {
    if ((j + 1) % 2 == 1) { //奇数位
      if (parseInt(newArr[j]) * 2 < 9) arrJiShu.push(parseInt(newArr[j]) * 2);
      else arrJiShu2.push(parseInt(newArr[j]) * 2);
    } else //偶数位
      arrOuShu.push(newArr[j]);
  }

  var jishu_child1 = new Array(); //奇数位*2 >9 的分割之后的数组个位数
  var jishu_child2 = new Array(); //奇数位*2 >9 的分割之后的数组十位数
  for (var h = 0; h < arrJiShu2.length; h++) {
    jishu_child1.push(parseInt(arrJiShu2[h]) % 10);
    jishu_child2.push(parseInt(arrJiShu2[h]) / 10);
  }

  var sumJiShu = 0; //奇数位*2 < 9 的数组之和
  var sumOuShu = 0; //偶数位数组之和
  var sumJiShuChild1 = 0; //奇数位*2 >9 的分割之后的数组个位数之和
  var sumJiShuChild2 = 0; //奇数位*2 >9 的分割之后的数组十位数之和
  var sumTotal = 0;
  for (var m = 0; m < arrJiShu.length; m++) {
    sumJiShu = sumJiShu + parseInt(arrJiShu[m]);
  }

  for (var n = 0; n < arrOuShu.length; n++) {
    sumOuShu = sumOuShu + parseInt(arrOuShu[n]);
  }

  for (var p = 0; p < jishu_child1.length; p++) {
    sumJiShuChild1 = sumJiShuChild1 + parseInt(jishu_child1[p]);
    sumJiShuChild2 = sumJiShuChild2 + parseInt(jishu_child2[p]);
  }
  //计算总和
  sumTotal = parseInt(sumJiShu) + parseInt(sumOuShu) + parseInt(sumJiShuChild1) + parseInt(sumJiShuChild2);

  //计算luhn值
  var k = parseInt(sumTotal) % 10 == 0 ? 10 : parseInt(sumTotal) % 10;
  var luhn = 10 - k;

  if (lastNum == luhn) {
    // $("#banknoInfo").html("luhn验证通过");
    return true;
  } else {
    // $("#banknoInfo").html("银行卡号必须符合luhn校验");
    return false;
  }
}

function checkEmail(email){
  // var regEmail = /^(((([a-zA-Z]|\\d|[!#\\$%&'\\*\\+\\-\\/=\\?\\^_`{\\|}~]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])+(\\.([a-zA-Z]|\\d|[!#\\$%&'\\*\\+\\-\\/=\\?\\^_`{\\|}~]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])+)*)|((\\x22)((((\\x20|\\x09)*(\\x0d\\x0a))?(\\x20|\\x09)+)?(([\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x7f]|\\x21|[\\x23-\\x5b]|[\\x5d-\\x7e]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])|(\\([\\x01-\\x09\\x0b\\x0c\\x0d-\\x7f]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}]))))*(((\\x20|\\x09)*(\\x0d\\x0a))?(\\x20|\\x09)+)?(\\x22)))@((([a-zA-Z]|\\d|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])|(([a-zA-Z]|\\d|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])([a-zA-Z]|\\d|-|\\.|_|~|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])*([a-zA-Z]|\\d|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])))\\.)+(([a-zA-Z]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])|(([a-zA-Z]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])([a-zA-Z]|\\d|-|\\.|_|~|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])*([a-zA-Z]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])))\\.?$/;

  // var regEmail = new RegExp("^[-a-z0-9~!$%^&;*_=+}{/'?]+(/.[-a-z0-9~!$ %^&;*_=+}{/'?]+)*@([a-z0-9_][-a-z0-9_]*(/.[-a-z0-9_]+)* /.(aero|arpa|biz|com|coop|edu|gov|info|int|mil|museum|name|net|org|pro|travel|mobi|[a-z][a-z])|([0-9]{1,3}/.[0-9]{1,3}/.[0-9]{1,3}/.[0-9]{1,3}))(:[0-9]{1,5})?$");
  // return regEmail.test(email);
}


module.exports = {
  formatTime: formatTime,
  formatTime_date: formatTime_date,  
  formatTime_month: formatTime_month,
  formatDate_min: formatDate_min,
  formatDateString: formatDateString,
  yearFormString: yearFormString,
  monthFormString: monthFormString,
  dayFormString: dayFormString,
  isIDCardNum: isIDCardNum,
  curDateTime: curDateTime,
  analyzeIDCard: analyzeIDCard,
  checkNumber: checkNumber,
  isMobile: isMobile,
  getAge: getAge,
  banknoCheck: banknoCheck,
  checkEmail: checkEmail,
  daysTillNow: daysTillNow
}