jQuery(document).ready(function($) {
  var rememberLevel = readCookie('levelId');
  var otherAmt = readCookie('otherAmt');
  var coverFees = readCookie('coverFees');

  var deleteCookie = function(name) {
    document.cookie = name + '=;expires= Thu, 01 Jan 1970 00:00:01 GMT;';
  };

  var formatMoney = function(amount) {
    amountInCents = Number(amount);
    var i = parseInt(amount = Math.abs(+amount || 0).toFixed(2), 10) + '',
    j = (j = i.length) > 3 ? j % 3 : 0,
    formattedMoney = '$' + (j ? i.substr(0, j) + ',' : '') +
                     i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + ',') +
                     '.' + Math.abs(amount - i).toFixed(2).slice(2);

    formattedMoney = formattedMoney.replace('.00', '');

    return formattedMoney;
  }

  var populateBtn = function(activeAmt) {
    if ($('#cover_fees').is(':checked')) {
      var btnText = 'Donate ' + activeAmt;
    }
    else {
      var btnText = 'Donate';
    }
    if ($('#pstep_next').length > 0) {
      $('#pstep_next').text(btnText);
    }
    if ($('#pstep_finish').length > 0) {
      $('#pstep_finish').text(btnText);
    }
  }

  var getAmt = function() {
    if ($('.other-amount input[type="radio"]').is(':checked')) {
      selectAmt = Number(delimitNumbers($('.donation-level-user-entered input').val()));
      document.cookie="levelId=other";
      document.cookie="otherAmt=" + selectAmt;
    }
    else {
      $("[id^=level_standardexpanded]").each(function() {
        if ($(this).is(':checked')) {
          var selectedLevelId = $(this).prop('id');
          selectAmt = Number(delimitNumbers($(this).parent().next().children('.donation-level-amount-container').text()));
          document.cookie="levelId=" + selectedLevelId;
        }
      });
    }
    activeAmtAdd = Number(strRound(delimitNumbers(selectAmt)*.06248),2);
    activeAmtAdd = activeAmtAdd + .26;
    activeAmt = strRound(delimitNumbers(selectAmt + activeAmtAdd));
    activeAmtFormat = formatMoney(activeAmt);

    paypalAmtAdd = Number(strRound(delimitNumbers(selectAmt)*.0585),2);
    paypalAmtAdd = paypalAmtAdd + .3;
    paypalAmt = strRound(delimitNumbers(paypalAmtAdd + selectAmt));
    paypalAmtFormat = formatMoney(paypalAmt);


    $('.cover_fees_total').html('for a total of <strong>' + activeAmtFormat + ' (Credit Card)</strong> or <strong>' + paypalAmtFormat + ' (PayPal)');

    paymentType = $('.payment-type-selections input[name="responsive_payment_typepay_typeradio"]').val();

    if ($('.external-payment .payment-type-option').hasClass('selected')) {
      console.log('use paypal');
      donateAmt = paypalAmtFormat;
    }
    else {
      console.log('use cc');
      donateAmt = activeAmtFormat;
    }
  }

  function delimitNumbers(str) {
    return (str + '').replace(/[^\d.-]/g, '');
  }

  function removeNonNumbers(str) {
    return (str + '').replace(/[^0-9\.]+/g, '');
  }

  function strRound(str) {
    str = removeNonNumbers(str).split('.', 2);
    if (str[1]) {
      str[1] = str[1].substring(0,2);
    }
    str = str.join('.');
    return str;
  }

  function readCookie(name) {
    var nameEQ = name + '=';
    var ca = document.cookie.split(';');
    for(var i=0;i < ca.length;i++) {
      var c = ca[i];
      while (c.charAt(0)==' ') c = c.substring(1,c.length);
      if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
    }
    return null;
  }

  $('#cc_fees_row').insertAfter('.donation-levels');
  $('.donation-level-user-entered').parent().addClass('other-amount');

  if(rememberLevel != undefined || rememberLevel != null) {
    $('#' + rememberLevel).prop('checked', true);
    $('.donation-level-user-entered input[type="text"]').val('');

    if (rememberLevel == 'other') {
      $('.other-amount input[type="radio"]').prop('checked', true);
      $('.donation-level-user-entered input[type="text"]').val(otherAmt);
    }
  }


  if (coverFees == 'true') {
    $('#cover_fees').prop('checked', true);
    $('#cover_feeshidden').val('true');
    getAmt();
    populateBtn(donateAmt);
  } else {
    $('#cover_feeshidden').val('false');
  }

  $('#cover_fees, .donation-level-container').change(function(){
    if ($('#cover_fees').is(':checked')) {
      getAmt();
    }
    else {
      getAmt();
      deleteCookie('coverFees');
      deleteCookie('levelId');
      deleteCookie('otherAmt');
    }
    populateBtn(donateAmt);
  });

  $('.internal-payment a').click(function(){
    populateBtn(activeAmtFormat);
  });

  $('.external-payment a').click(function(){
    populateBtn(paypalAmtFormat);
  });

  $('#ProcessForm').submit(function() {
    if ($('#cover_fees').is(':checked')) {
      getAmt();
      $('#cover_feeshidden').val('true');
      $('.other-amount input[type="radio"]').prop('checked', true);
      $('.donation-level-user-entered input[type="text"]').val(donateAmt);
      document.cookie = 'coverFees=true';
      return true;
    }
    else {
      $('#cover_feeshidden').val('false');
      deleteCookie('coverFees');
      deleteCookie('levelId');
      deleteCookie('otherAmt');
      return true;
    }
  });
});