// Generated by CoffeeScript 1.7.1
(function() {
    var $, cardFromNumber, cardFromType, cards, defaultFormat, formatBackCardNumber, formatBackExpiry, formatCardNumber, formatExpiry, formatForwardExpiry, formatForwardSlashAndSpace, hasTextSelected, luhnCheck, reFormatCVC, reFormatCardNumber, reFormatExpiry, reFormatNumeric, replaceFullWidthChars, restrictCVC, restrictCardNumber, restrictExpiry, restrictNumeric, safeVal, setCardType,
      __slice = [].slice,
      __indexOf = [].indexOf || function(item) { for (var i = 0, l = this.length; i < l; i++) { if (i in this && this[i] === item) return i; } return -1; };
  
    $ = window.jQuery || window.Zepto || window.$;
  
    $.payment = {};
  
    $.payment.fn = {};
  
    $.fn.payment = function() {
      var args, method;
      method = arguments[0], args = 2 <= arguments.length ? __slice.call(arguments, 1) : [];
      return $.payment.fn[method].apply(this, args);
    };
  
    defaultFormat = /(\d{1,4})/g;
  
    $.payment.cards = cards = [
      {
        type: 'maestro',
        patterns: [5018, 502, 503, 506, 56, 58, 639, 6220, 67],
        format: defaultFormat,
        length: [12, 13, 14, 15, 16, 17, 18, 19],
        cvcLength: [3],
        luhn: true
      }, {
        type: 'forbrugsforeningen',
        patterns: [600],
        format: defaultFormat,
        length: [16],
        cvcLength: [3],
        luhn: true
      }, {
        type: 'dankort',
        patterns: [5019],
        format: defaultFormat,
        length: [16],
        cvcLength: [3],
        luhn: true
      }, {
        type: 'visa',
        patterns: [4],
        format: defaultFormat,
        length: [13, 16],
        cvcLength: [3],
        luhn: true
      }, {
        type: 'mastercard',
        patterns: [51, 52, 53, 54, 55, 22, 23, 24, 25, 26, 27],
        format: defaultFormat,
        length: [16],
        cvcLength: [3],
        luhn: true
      }, {
        type: 'amex',
        patterns: [34, 37],
        format: /(\d{1,4})(\d{1,6})?(\d{1,5})?/,
        length: [15],
        cvcLength: [3, 4],
        luhn: true
      }, {
        type: 'dinersclub',
        patterns: [30, 36, 38, 39],
        format: /(\d{1,4})(\d{1,6})?(\d{1,4})?/,
        length: [14],
        cvcLength: [3],
        luhn: true
      }, {
        type: 'discover',
        patterns: [60, 64, 65, 622],
        format: defaultFormat,
        length: [16],
        cvcLength: [3],
        luhn: true
      }, {
        type: 'unionpay',
        patterns: [62, 88],
        format: defaultFormat,
        length: [16, 17, 18, 19],
        cvcLength: [3],
        luhn: false
      }, {
        type: 'jcb',
        patterns: [35],
        format: defaultFormat,
        length: [16],
        cvcLength: [3],
        luhn: true
      }
    ];
  
    cardFromNumber = function(num) {
      var card, p, pattern, _i, _j, _len, _len1, _ref;
      num = (num + '').replace(/\D/g, '');
      for (_i = 0, _len = cards.length; _i < _len; _i++) {
        card = cards[_i];
        _ref = card.patterns;
        for (_j = 0, _len1 = _ref.length; _j < _len1; _j++) {
          pattern = _ref[_j];
          p = pattern + '';
          if (num.substr(0, p.length) === p) {
            return card;
          }
        }
      }
    };
  
    cardFromType = function(type) {
      var card, _i, _len;
      for (_i = 0, _len = cards.length; _i < _len; _i++) {
        card = cards[_i];
        if (card.type === type) {
          return card;
        }
      }
    };
  
    luhnCheck = function(num) {
      var digit, digits, odd, sum, _i, _len;
      odd = true;
      sum = 0;
      digits = (num + '').split('').reverse();
      for (_i = 0, _len = digits.length; _i < _len; _i++) {
        digit = digits[_i];
        digit = parseInt(digit, 10);
        if ((odd = !odd)) {
          digit *= 2;
        }
        if (digit > 9) {
          digit -= 9;
        }
        sum += digit;
      }
      return sum % 10 === 0;
    };
  
    hasTextSelected = function($target) {
      var _ref;
      if (($target.prop('selectionStart') != null) && $target.prop('selectionStart') !== $target.prop('selectionEnd')) {
        return true;
      }
      if ((typeof document !== "undefined" && document !== null ? (_ref = document.selection) != null ? _ref.createRange : void 0 : void 0) != null) {
        if (document.selection.createRange().text) {
          return true;
        }
      }
      return false;
    };
  
    safeVal = function(value, $target) {
      var currPair, cursor, digit, error, last, prevPair;
      try {
        cursor = $target.prop('selectionStart');
      } catch (_error) {
        error = _error;
        cursor = null;
      }
      last = $target.val();
      $target.val(value);
      if (cursor !== null && $target.is(":focus")) {
        if (cursor === last.length) {
          cursor = value.length;
        }
        if (last !== value) {
          prevPair = last.slice(cursor - 1, +cursor + 1 || 9e9);
          currPair = value.slice(cursor - 1, +cursor + 1 || 9e9);
          digit = value[cursor];
          if (/\d/.test(digit) && prevPair === ("" + digit + " ") && currPair === (" " + digit)) {
            cursor = cursor + 1;
          }
        }
        $target.prop('selectionStart', cursor);
        return $target.prop('selectionEnd', cursor);
      }
    };
  
    replaceFullWidthChars = function(str) {
      var chars, chr, fullWidth, halfWidth, idx, value, _i, _len;
      if (str == null) {
        str = '';
      }
      fullWidth = '\uff10\uff11\uff12\uff13\uff14\uff15\uff16\uff17\uff18\uff19';
      halfWidth = '0123456789';
      value = '';
      chars = str.split('');
      for (_i = 0, _len = chars.length; _i < _len; _i++) {
        chr = chars[_i];
        idx = fullWidth.indexOf(chr);
        if (idx > -1) {
          chr = halfWidth[idx];
        }
        value += chr;
      }
      return value;
    };
  
    reFormatNumeric = function(e) {
      var $target;
      $target = $(e.currentTarget);
      return setTimeout(function() {
        var value;
        value = $target.val();
        value = replaceFullWidthChars(value);
        value = value.replace(/\D/g, '');
        return safeVal(value, $target);
      });
    };
  
    reFormatCardNumber = function(e) {
      var $target;
      $target = $(e.currentTarget);
      return setTimeout(function() {
        var value;
        value = $target.val();
        value = replaceFullWidthChars(value);
        value = $.payment.formatCardNumber(value);
        return safeVal(value, $target);
      });
    };
  
    formatCardNumber = function(e) {
      var $target, card, digit, length, re, upperLength, value;
      digit = String.fromCharCode(e.which);
      if (!/^\d+$/.test(digit)) {
        return;
      }
      $target = $(e.currentTarget);
      value = $target.val();
      card = cardFromNumber(value + digit);
      length = (value.replace(/\D/g, '') + digit).length;
      upperLength = 16;
      if (card) {
        upperLength = card.length[card.length.length - 1];
      }
      if (length >= upperLength) {
        return;
      }
      if (($target.prop('selectionStart') != null) && $target.prop('selectionStart') !== value.length) {
        return;
      }
      if (card && card.type === 'amex') {
        re = /^(\d{4}|\d{4}\s\d{6})$/;
      } else {
        re = /(?:^|\s)(\d{4})$/;
      }
      if (re.test(value)) {
        e.preventDefault();
        return setTimeout(function() {
          return $target.val(value + ' ' + digit);
        });
      } else if (re.test(value + digit)) {
        e.preventDefault();
        return setTimeout(function() {
          return $target.val(value + digit + ' ');
        });
      }
    };
  
    formatBackCardNumber = function(e) {
      var $target, value;
      $target = $(e.currentTarget);
      value = $target.val();
      if (e.which !== 8) {
        return;
      }
      if (($target.prop('selectionStart') != null) && $target.prop('selectionStart') !== value.length) {
        return;
      }
      if (/\d\s$/.test(value)) {
        e.preventDefault();
        return setTimeout(function() {
          return $target.val(value.replace(/\d\s$/, ''));
        });
      } else if (/\s\d?$/.test(value)) {
        e.preventDefault();
        return setTimeout(function() {
          return $target.val(value.replace(/\d$/, ''));
        });
      }
    };
  
    reFormatExpiry = function(e) {
      var $target;
      $target = $(e.currentTarget);
      return setTimeout(function() {
        var value;
        value = $target.val();
        value = replaceFullWidthChars(value);
        value = $.payment.formatExpiry(value);
        return safeVal(value, $target);
      });
    };
  
    formatExpiry = function(e) {
      var $target, digit, val;
      digit = String.fromCharCode(e.which);
      if (!/^\d+$/.test(digit)) {
        return;
      }
      $target = $(e.currentTarget);
      val = $target.val() + digit;
      if (/^\d$/.test(val) && (val !== '0' && val !== '1')) {
        e.preventDefault();
        return setTimeout(function() {
          return $target.val("0" + val + " / ");
        });
      } else if (/^\d\d$/.test(val)) {
        e.preventDefault();
        return setTimeout(function() {
          var m1, m2;
          m1 = parseInt(val[0], 10);
          m2 = parseInt(val[1], 10);
          if (m2 > 2 && m1 !== 0) {
            return $target.val("0" + m1 + " / " + m2);
          } else {
            return $target.val("" + val + " / ");
          }
        });
      }
    };
  
    formatForwardExpiry = function(e) {
      var $target, digit, val;
      digit = String.fromCharCode(e.which);
      if (!/^\d+$/.test(digit)) {
        return;
      }
      $target = $(e.currentTarget);
      val = $target.val();
      if (/^\d\d$/.test(val)) {
        return $target.val("" + val + " / ");
      }
    };
  
    formatForwardSlashAndSpace = function(e) {
      var $target, val, which;
      which = String.fromCharCode(e.which);
      if (!(which === '/' || which === ' ')) {
        return;
      }
      $target = $(e.currentTarget);
      val = $target.val();
      if (/^\d$/.test(val) && val !== '0') {
        return $target.val("0" + val + " / ");
      }
    };
  
    formatBackExpiry = function(e) {
      var $target, value;
      $target = $(e.currentTarget);
      value = $target.val();
      if (e.which !== 8) {
        return;
      }
      if (($target.prop('selectionStart') != null) && $target.prop('selectionStart') !== value.length) {
        return;
      }
      if (/\d\s\/\s$/.test(value)) {
        e.preventDefault();
        return setTimeout(function() {
          return $target.val(value.replace(/\d\s\/\s$/, ''));
        });
      }
    };
  
    reFormatCVC = function(e) {
      var $target;
      $target = $(e.currentTarget);
      return setTimeout(function() {
        var value;
        value = $target.val();
        value = replaceFullWidthChars(value);
        value = value.replace(/\D/g, '').slice(0, 4);
        return safeVal(value, $target);
      });
    };
  
    restrictNumeric = function(e) {
      var input;
      if (e.metaKey || e.ctrlKey) {
        return true;
      }
      if (e.which === 32) {
        return false;
      }
      if (e.which === 0) {
        return true;
      }
      if (e.which < 33) {
        return true;
      }
      input = String.fromCharCode(e.which);
      return !!/[\d\s]/.test(input);
    };
  
    restrictCardNumber = function(e) {
      var $target, card, digit, value;
      $target = $(e.currentTarget);
      digit = String.fromCharCode(e.which);
      if (!/^\d+$/.test(digit)) {
        return;
      }
      if (hasTextSelected($target)) {
        return;
      }
      value = ($target.val() + digit).replace(/\D/g, '');
      card = cardFromNumber(value);
      if (card) {
        return value.length <= card.length[card.length.length - 1];
      } else {
        return value.length <= 16;
      }
    };
  
    restrictExpiry = function(e) {
      var $target, digit, value;
      $target = $(e.currentTarget);
      digit = String.fromCharCode(e.which);
      if (!/^\d+$/.test(digit)) {
        return;
      }
      if (hasTextSelected($target)) {
        return;
      }
      value = $target.val() + digit;
      value = value.replace(/\D/g, '');
      if (value.length > 6) {
        return false;
      }
    };
  
    restrictCVC = function(e) {
      var $target, digit, val;
      $target = $(e.currentTarget);
      digit = String.fromCharCode(e.which);
      if (!/^\d+$/.test(digit)) {
        return;
      }
      if (hasTextSelected($target)) {
        return;
      }
      val = $target.val() + digit;
      return val.length <= 4;
    };
  
    setCardType = function(e) {
      var $target, allTypes, card, cardType, val;
      $target = $(e.currentTarget);
      val = $target.val();
      cardType = $.payment.cardType(val) || 'unknown';
      if (!$target.hasClass(cardType)) {
        allTypes = (function() {
          var _i, _len, _results;
          _results = [];
          for (_i = 0, _len = cards.length; _i < _len; _i++) {
            card = cards[_i];
            _results.push(card.type);
          }
          return _results;
        })();
        $target.removeClass('unknown');
        $target.removeClass(allTypes.join(' '));
        $target.addClass(cardType);
        $target.toggleClass('identified', cardType !== 'unknown');
        return $target.trigger('payment.cardType', cardType);
      }
    };
  
    $.payment.fn.formatCardCVC = function() {
      this.on('keypress', restrictNumeric);
      this.on('keypress', restrictCVC);
      this.on('paste', reFormatCVC);
      this.on('change', reFormatCVC);
      this.on('input', reFormatCVC);
      return this;
    };
  
    $.payment.fn.formatCardExpiry = function() {
      this.on('keypress', restrictNumeric);
      this.on('keypress', restrictExpiry);
      this.on('keypress', formatExpiry);
      this.on('keypress', formatForwardSlashAndSpace);
      this.on('keypress', formatForwardExpiry);
      this.on('keydown', formatBackExpiry);
      this.on('change', reFormatExpiry);
      this.on('input', reFormatExpiry);
      return this;
    };
  
    $.payment.fn.formatCardNumber = function() {
      this.on('keypress', restrictNumeric);
      this.on('keypress', restrictCardNumber);
      this.on('keypress', formatCardNumber);
      this.on('keydown', formatBackCardNumber);
      this.on('keyup', setCardType);
      this.on('paste', reFormatCardNumber);
      this.on('change', reFormatCardNumber);
      this.on('input', reFormatCardNumber);
      this.on('input', setCardType);
      return this;
    };
  
    $.payment.fn.restrictNumeric = function() {
      this.on('keypress', restrictNumeric);
      this.on('paste', reFormatNumeric);
      this.on('change', reFormatNumeric);
      this.on('input', reFormatNumeric);
      return this;
    };
  
    $.payment.fn.cardExpiryVal = function() {
      return $.payment.cardExpiryVal($(this).val());
    };
  
    $.payment.cardExpiryVal = function(value) {
      var month, prefix, year, _ref;
      _ref = value.split(/[\s\/]+/, 2), month = _ref[0], year = _ref[1];
      if ((year != null ? year.length : void 0) === 2 && /^\d+$/.test(year)) {
        prefix = (new Date).getFullYear();
        prefix = prefix.toString().slice(0, 2);
        year = prefix + year;
      }
      month = parseInt(month, 10);
      year = parseInt(year, 10);
      return {
        month: month,
        year: year
      };
    };
  
    $.payment.validateCardNumber = function(num) {
      var card, _ref;
      num = (num + '').replace(/\s+|-/g, '');
      if (!/^\d+$/.test(num)) {
        return false;
      }
      card = cardFromNumber(num);
      if (!card) {
        return false;
      }
      return (_ref = num.length, __indexOf.call(card.length, _ref) >= 0) && (card.luhn === false || luhnCheck(num));
    };
  
    $.payment.validateCardExpiry = function(month, year) {
      var currentTime, expiry, _ref;
      if (typeof month === 'object' && 'month' in month) {
        _ref = month, month = _ref.month, year = _ref.year;
      }
      if (!(month && year)) {
        return false;
      }
      month = $.trim(month);
      year = $.trim(year);
      if (!/^\d+$/.test(month)) {
        return false;
      }
      if (!/^\d+$/.test(year)) {
        return false;
      }
      if (!((1 <= month && month <= 12))) {
        return false;
      }
      if (year.length === 2) {
        if (year < 70) {
          year = "20" + year;
        } else {
          year = "19" + year;
        }
      }
      if (year.length !== 4) {
        return false;
      }
      expiry = new Date(year, month);
      currentTime = new Date;
      expiry.setMonth(expiry.getMonth() - 1);
      expiry.setMonth(expiry.getMonth() + 1, 1);
      return expiry > currentTime;
    };
  
    $.payment.validateCardCVC = function(cvc, type) {
      var card, _ref;
      cvc = $.trim(cvc);
      if (!/^\d+$/.test(cvc)) {
        return false;
      }
      card = cardFromType(type);
      if (card != null) {
        return _ref = cvc.length, __indexOf.call(card.cvcLength, _ref) >= 0;
      } else {
        return cvc.length >= 3 && cvc.length <= 4;
      }
    };
  
    $.payment.cardType = function(num) {
      var _ref;
      if (!num) {
        return null;
      }
      return ((_ref = cardFromNumber(num)) != null ? _ref.type : void 0) || null;
    };
  
    $.payment.formatCardNumber = function(num) {
      var card, groups, upperLength, _ref;
      num = num.replace(/\D/g, '');
      card = cardFromNumber(num);
      if (!card) {
        return num;
      }
      upperLength = card.length[card.length.length - 1];
      num = num.slice(0, upperLength);
      if (card.format.global) {
        return (_ref = num.match(card.format)) != null ? _ref.join(' ') : void 0;
      } else {
        groups = card.format.exec(num);
        if (groups == null) {
          return;
        }
        groups.shift();
        groups = $.grep(groups, function(n) {
          return n;
        });
        return groups.join(' ');
      }
    };
  
    $.payment.formatExpiry = function(expiry) {
      var mon, parts, sep, year;
      parts = expiry.match(/^\D*(\d{1,2})(\D+)?(\d{1,4})?/);
      if (!parts) {
        return '';
      }
      mon = parts[1] || '';
      sep = parts[2] || '';
      year = parts[3] || '';
      if (year.length > 0) {
        sep = ' / ';
      } else if (sep === ' /') {
        mon = mon.substring(0, 1);
        sep = '';
      } else if (mon.length === 2 || sep.length > 0) {
        sep = ' / ';
      } else if (mon.length === 1 && (mon !== '0' && mon !== '1')) {
        mon = "0" + mon;
        sep = ' / ';
      }
      return mon + sep + year;
    };
  
  }).call(this);