var validator = new function () {
  /*Output functions*/
  this.isValid = new function () {
    this.socialSecNo = function (countryCode, socialSecNo) {
      switch (countryCode.toUpperCase()) {
        case 'FIN':
        case 'FI':
          return validator.isValidFinSocialSecNo(socialSecNo);
          break;
        case 'SWE':
        case 'SE':
          if (socialSecNo.length == 10) {
            //Lisätään (-) merkki, koska tarkastaja vaatii sen
            socialSecNo = socialSecNo.substr(0, 6) + '-' + socialSecNo.substr(6, 10);
          }
          return validator.isValidSweSocialSecNo(socialSecNo);
          break;
        default :
          return true;
          break;
      }
    };
    this.date = function (str) {

      var tmp = str.split('-');
      var day = tmp[2];
      var month = tmp[1];
      var year = tmp[0];

      if ((month=='04' || month=='06' || month=='09' || month==11) && day==31) {
        return false;
      }
      if (month == '02') { // check for february 29th
        var isleap = (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0));
        if (parseInt(day)>29 || (parseInt(day)==29 && !isleap)) {
          return false;
        }
      }

      var date = new Date(year, month, day);

      return !(isNaN(date));
    };
    this.IBAN = function (fieldName) {
      // xjaxissa tehdään tarkastus ja asetetaan cookie 1:ksi, jos on tilinumero on
      // IBAN
      if (GetCookie(fieldName + '_is_IBAN') == '1') {
        return true;
      }
      return false;
    };
    this.AccountNumber = function (countryCode, AccountNum) {
      switch (countryCode.toUpperCase()) {
        case 'FI':
        case 'FIN':
          return validator.isValidFinAccountNum(AccountNum);
          break;
        case 'SE':
        case 'SWE':
          return validator.isValidSweAccountNum(AccountNum);
          break;
        default :
          return true;
          break;
      }
    };
  };

  /*Inside functions*/
  this.isValidFinSocialFormat = function(str){
    if ((str.length != 10) && (str.length != 11) || (str.substring(6,7) != '-') && (str.substring(6,7) != '+') && (str.substring(6,7) != 'A')){
      return false;
    }

    return true;
  };

  this.isValidFinSocialSecNo = function(num){

    if (this.isValidFinSocialFormat(num)){
      var variable = num.substring(0,6) + num.substring(7,10);
      var lastLetter = num.substring(10,11);
      var row = "0123456789ABCDEFHJKLMNPRSTUVWXY";
      var checkLetter = row.substring(variable % 31, variable % 31 +1);

      if (lastLetter == '') {
        return false;
      }else {
        if (lastLetter == checkLetter)
          return true;
        else
          return false;
      }
    }
    return false;
  };

  this.isValidSweSocialSecNo = function (num) {
    if(new SwePersonNummer(num).valid){
      return true;
    }else{
      return false;
    }
  };

  this.isValidSweAccountNum = function (Accountnum) {
    var ref;
    var ref_chr;
    var clearing;

    /*
     *
     * Accountnum = StripSpacesStr(Accountnum); Accountnum = DelChars(Accountnum,
     * '-'); Accountnum = trim(Accountnum);
     */

    while ( Accountnum.indexOf(" ") > 0 ) {
      Accountnum = Accountnum.replace(/ /,"");
    }
    while ( Accountnum.indexOf("-") > 0 ) {
      Accountnum = Accountnum.replace(/-/,"");
    }

    if ( Accountnum != '' )
    {

      Clearing = Accountnum.substr(0, 4);
      ref_chr = Accountnum.charAt(Accountnum.length-1);

      if (
        ((Clearing >= '9090') && (Clearing <= '9099')) ||
        ((Clearing >= '9040') && (Clearing <= '9049')) ||
        ((Clearing >= '9190') && (Clearing <= '9199')) ||
        ((Clearing >= '2300') && (Clearing <= '2399')) ||
        ((Clearing >= '9020') && (Clearing <= '9029')) ||
        ((Clearing >= '4000') && (Clearing <= '4999') && (Accountnum.length != 14)) ||
        ((Clearing >= '9150') && (Clearing <= '9196')) ||
        ((Clearing >= '9200') && (Clearing <= '9209')) ||
        ((Clearing >= '9100') && (Clearing <= '9109'))||
        ((Clearing >= '9550') && (Clearing <= '9569'))
      )
      {
        ref = Accountnum.substr(0,Accountnum.length-1);

// Ref := copy(Accountnum, 1, Length(Accountnum));
        return (mod11_chknum(ref) == ref_chr);

      } else {

        if ( ((Clearing >= '1200') && (Clearing <= '1399')) ||
          ((Clearing >= '9260') && (Clearing <= '9269')) ||
          ((Clearing >= '7000') && (Clearing <= '7999')) ||
          ((Clearing >= '9270') && (Clearing <= '9279')) ||
          ((Clearing >= '9170') && (Clearing <= '9179')) ||
          ((Clearing >= '3400') && (Clearing <= '3409')) ||
          ((Clearing >= '9060') && (Clearing <= '9069')) ||
          ((Clearing >= '1100') && (Clearing <= '1199') && (Accountnum.length != 14)) ||
          ((Clearing >= '1400') && (Clearing <= '2099') && (Accountnum.length != 14)) ||
          ((Clearing >= '3000') && (Clearing <= '3399') && (Accountnum.length != 14)) ||
          ((Clearing >= '3410') && (Clearing <= '3999') && (Accountnum.length != 14)) ||
          ((Clearing >= '9230') && (Clearing <= '9239')) ||
          ((Clearing >= '5000') && (Clearing <= '5999')) ||
          ((Clearing >= '9400') && (Clearing <= '9449')) ||
          ((Clearing >= '9460') && (Clearing <= '9469')) ||
          ((Clearing >= '9280') && (Clearing <= '9289')) ||
          ((Clearing >= '9250') && (Clearing <= '9259')) ||
          ((Clearing >= '9120') && (Clearing <= '9124')) ||
          ((Clearing >= '9130') && (Clearing <= '9149')) ||
          ((Clearing >= '9050') && (Clearing <= '9059'))
        )
        {

          ref = Accountnum.substr(1, Accountnum.length-2);
          return (mod11_chknum(ref) == ref_chr);
          /*
           * ref := copy(Accountnum, 2, Length(Accountnum) - 1); if (mod11_chknum(ref) =
           * ref_chr) Then Result := True;
           */

        } else
        if (
          ((Clearing >= '3300') && (Clearing <= '3300') && (Accountnum.length == 14)) ||
          ((Clearing >= '4000') && (Clearing <= '4999') && (Accountnum.length == 14)) ||
          ((Clearing >= '1100') && (Clearing <= '1199') && (Accountnum.length == 14)) ||
          ((Clearing >= '1400') && (Clearing <= '2099') && (Accountnum.length == 14)) ||
          ((Clearing >= '3000') && (Clearing <= '3399') && (Accountnum.length == 14)) ||
          ((Clearing >= '3410') && (Clearing <= '3999') && (Accountnum.length == 14))
        )
        {

          ref = Accountnum.substr(Accountnum.length-10, 9);

          return (mod10_chknum(ref) == ref_chr);

          /*
           * ref := copy(Accountnum, Accountnum.length - 9, 10); if (mod10_chknum(ref) =
           * ref_chr) The Result := True;
           */
        } else
        if ( ((Clearing >= '6000') && (Clearing <= '6999')) )
        {
          ref = Accountnum.substr(Accountnum.length-9, 8);
          return (mod11_chknum(ref) == ref_chr);
          /*
           * ref := copy(Accountnum, Length(Accountnum) - 8, 9); if (mod11_chknum(ref) =
           * ref_chr) Then Result := True;
           */
        } else
        if ( ((Clearing >= '9500') && (Clearing <= '9549')) ||
          ((Clearing >= '9960') && (Clearing <= '9969'))  )
        {
          ref = Accountnum.substr(4, Accountnum.length-5);
          return (mod10_chknum(ref) == ref_chr);
          /*
           * ref := copy(Accountnum, 5, Length(Accountnum) - 4); if
           * (swe_mod10_chknum(ref) = ref_chr) Then Result := True;
           */
        } else
        if ( ((Clearing >= '8000') && (Clearing <= '8999'))) {
          ref = Accountnum.substr(4, Accountnum.length-5);
          return (mod10_chknum(ref) == ref_chr);
          /*
           * ref := copy(Accountnum, 5, Length(Accountnum) - 4); if
           * (swe_mod10_chknum(ref) = ref_chr) Then Result := True;

           */
        } else
        if ( ((Clearing >= '9180') && (Clearing <= '9189')) ||
          ((Clearing >= '9300') && (Clearing <= '9329')) ||
          ((Clearing >= '9330') && (Clearing <= '9349')) ||
          ((Clearing >= '9570') && (Clearing <= '9579'))
        )
        {

          ref = Accountnum.substr(4, Accountnum.length-5);
          return (mod10_chknum(ref) == ref_chr);
          /*
           * ref := copy(Accountnum, 5, Length(Accountnum) - 4); if
           * (swe_mod10_chknum(ref) = ref_chr) Then Result := True;
           */
        }
      }
    }
    return ( false );
  };

  this.isValidFinAccountNum = function (ref) {
    var ref_chr;

    if (ref != '') {
      ref_chr = ref.charAt(ref.length-1);
      ref = Set14chr(ref);
      // Ei saa olla yli 14 merkkiä
      if (ref.length > 14) {
        return false;
      }
      if (mod10_chknum(ref) == ref_chr)
        return true;
    }
    return false;
  };


};

function SwePersonNummer(nr){
  this.valid=false;
  if(!nr.match(/^(\d{2})(\d{2})(\d{2})\-(\d{4})$/)){ return false; }
  this.now=new Date(); this.nowFullYear=this.now.getFullYear()+""; this.nowCentury=this.nowFullYear.substring(0,2); this.nowShortYear=this.nowFullYear.substring(2,4);
  this.year=RegExp.$1; this.month=RegExp.$2; this.day=RegExp.$3; this.controldigits=RegExp.$4;
  this.fullYear=(this.year*1<=this.nowShortYear*1)?(this.nowCentury+this.year)*1:((this.nowCentury*1-1)+this.year)*1;
  var months = new Array(31,28,31,30,31,30,31,31,30,31,30,31);
  if(this.fullYear%400==0||this.fullYear%4==0&&this.fullYear%100!=0){ months[1]=29; }
  if(this.month*1<1||this.month*1>12||this.day*1<1||this.day*1>months[this.month*1-1]){ return false; }
  this.alldigits=this.year+this.month+this.day+this.controldigits;
  var nn="";
  for(var n=0;n<this.alldigits.length;n++){ nn+=((((n+1)%2)+1)*this.alldigits.substring(n,n+1)); }
  this.checksum=0;
  for(var n=0;n<nn.length;n++){ this.checksum+=nn.substring(n,n+1)*1; }
  this.valid=(this.checksum%10==0)?true:false;
  this.sex=parseInt(this.controldigits.substring(2,3))%2;
}


function mod10_chknum(str) {
// var Ref, Ref_sum, Ref_14chr, reverse_Ref_14chr, Mod_mult, Mod_res, Mod_sum,
// Ref_chk, i;

  str=str+''; //Convert to string
  var weight=2; /* weight to apply to digit being checked */
  var sum=0; /* sum of weights */
  var digit; /* digit being checked */
  /* compute the sum */
  for (var cnt = str.length; cnt>0; cnt--){
    digit = weight * (str.charAt(cnt-1));
    /* add tens digit to ones digit to the sum */
    sum = sum + Math.floor(digit / 10) + (digit % 10);
    weight=weight==2?1:2;
  }
  /* subtract ones digit of the sum from 10 return ones digit of result */
  var mod = (10-sum%10)%10;
  return mod;
}
function Set14chr(s){
  var part1, part2, part3, InsertPos, substr, i;
  if (s != '') {
    s = StripSignStr(s);
    InsertPos = 6;
    if ((s.substr(0,1) == '4') || (s.substr(0,1) == '5') )
      InsertPos = 7;
    subStr = '';
    for (i = s.length; i < 14; i++) {
      subStr += '0';
    }
    part1 = s.substr(0, InsertPos);
    part2 = s.substr(InsertPos, s.length-1);

    return part1+ subStr +part2;
  }
}
function StripSignStr(s) {
  var nosign, i;
  if (s != '') {
    nosign = '';
    for (i = 0; i < s.length; i++) {
      if (s.substr(i,1) != '-')  {
        nosign = nosign + s.charAt(i) ;
      }
    }
    return nosign;
  }
  return '';
}

function mod11_chknum( Ref )
{
  var  Ref_nospace;
  var  Ref_sum;
  var  Ref_chk;
  var  Mod_mult;
  var  i;

  Ref_nospace = StripSpacesStr(Ref);

  if ( Ref_nospace != '')
  {
    Ref_sum = 0;
    Mod_mult = 1;
    for ( i = Ref_nospace.length-1;  i >= 0 ; i--)
    {
      Mod_mult++;
      Mod_mult = (Mod_mult%11);
      if ( Mod_mult == 0)  Mod_mult = 1;
      Ref_sum = Ref_sum + Ref_nospace[i]* Mod_mult;
    }
    Ref_chk = Ref_sum % 11;
    if ( Ref_chk > 1 )
      Ref_chk = 11 - Ref_chk;
    else Ref_chk = 0;
    return (  Ref_chk );
  }
  return ('');
}

function StripSpacesStr(str)
{
  while ( str.indexOf(" ") > 0 ) {
    str = str.replace(/ /,"");
  }
  return ( str );
}