<script>
$(document).ready(function() {

	function number_format( number, decimals, dec_point, thousands_sep ) {
	  // credits: https://stackoverflow.com/a/26334269/1007627
	  number = (number + '')
		.replace(/[^0-9+\-Ee.]/g, '');
	  var n = !isFinite(+number) ? 0 : +number,
		prec = !isFinite(+decimals) ? 0 : Math.abs(decimals),
		sep  = (typeof thousands_sep === 'undefined') ? ',' : thousands_sep,
		dec  = (typeof dec_point === 'undefined') ? '.' : dec_point,
		s    = '',
		toFixedFix = function(n, prec) {
		  var k = Math.pow(10, prec);
		  return '' + (Math.round(n * k) / k)
			.toFixed(prec);
		};
	  // Fix for IE parseFloat(0.55).toFixed(0) = 0;
	  s = (prec ? toFixedFix(n, prec) : '' + Math.round(n))
		.split('.');
	  if (s[0].length > 3) {
		s[0] = s[0].replace(/\B(?=(?:\d{3})+(?!\d))/g, sep);
	  }
	  if ((s[1] || '')
		.length < prec) {
		s[1] = s[1] || '';
		s[1] += new Array(prec - s[1].length + 1)
		  .join('0');
	  }
	  return s.join(dec);
	}

    function convertPrices()
	{
        $('.products .product').each( function() {
            var shortDescription = $(this).find('.shortDescription').text();
            var unit = $(this).find('.pr-list-unit').hide();

            // Shorten text
            if(shortDescription.length > 200) {
                $(this).find('.shortDescription').text(shortDescription.substr(0, 200) + '...');
            }

            // Calculate package size and new price per package
            if(shortDescription.indexOf('Balení:') !== false){
                var price = $(this).find("meta[itemprop='price']").attr('content');
                price = price.replace(',', '.');
                price = price.replace(' ', '');
                price = price.replace('Kč','');
                price = price.trim();

                try {
                    var desc_ex = shortDescription.split('Balení:')[1].split('m')[0].replace(',', '.');
                    packageSize = parseFloat(desc_ex);
                } catch(err) { return; }

                if(isNaN(packageSize)) return;

                console.log(packageSize);
                console.log(price);

                $(this).find('.p-det-main-price').html(number_format(Math.round(price / packageSize) , 0,',',' ') + ' Kč / m<sup>2</sup>');
                $(this).find('.p-additional-price').html(number_format(Math.round(price / packageSize / 1.21) , 0,',',' ') + ' Kč bez DPH');
                unit.hide();
            }

        });
	}


	function getPackageSize()
	{
	  var packageSize = $('#parameters table tr td:contains("Balení")').siblings('td').html();
	  if(packageSize == null) return NaN;
      if(packageSize.indexOf('ks') > 0) return NaN;
	  packageSize = packageSize.replace(',', '.').replace('m2', '').replace('m²', '');
	  return parseFloat(packageSize);
	}

	function showCalculator()
	{
	  packageSize = getPackageSize();
	  if(isNaN(packageSize)) return;

	  // Price per unit
	  var price = $('.price').find("meta[itemprop='price']");
	  if(!price.attr('content')) return;

	  price = price.attr('content').replace(',', '.');
	  price = parseFloat(price);

	  var pricePerMeter = number_format(price / packageSize, 2, ',', ' ');
      var pricePerMeterNoVat = number_format(price/packageSize/1.21, 2, ',', ' ');

	  // Show table for calculator
	  var calHtml = '';
      calHtml += '<tr><td><strong>Cena/metr</strong></td><td><span class="price-highlight">'+pricePerMeter+' Kč/m<sup>2</sup> s DPH</span><br>'+pricePerMeterNoVat+' Kč/m<sup>2</sup> bez DPH</td></tr>';
	  calHtml += '<tr style="border-bottom: none;"><td colspan="2">';
	  calHtml += '<strong>Výpočet balení</strong>';
	  calHtml += '</tr>';

	  calHtml += '<tr style="border-bottom: none;"><td class="l-col">Zadejte plochu</td><td><input type="text" class="inputSize" style=" padding: 0.25rem 1.25rem 0.25rem 0.25rem;" size="3"> m<sup>2</sup></td></tr>';
	  calHtml += '<tr style="display: none;border-bottom: none;"  class="packageResultShow"><td class="l-col">Potřebujete</td><td class="packageNum"></td></tr>';
	  calHtml += '<tr style="display: none;" class="packageResultShow"><td class="l-col">Za cenu</td><td class="totalPrice price-highlight"></td></tr>';

	  $(calHtml).insertBefore($('#product-detail td.cell-price-final').parent());

      $('.td-additional-price').html(number_format(price, 2, ',', ' ') + ' Kč/balení s DPH<br>'+number_format(price/1.21, 2, ',', ' ') + ' Kč/balení bez DPH');

		// Hide main price
		$('.cell-price-final .price').hide();
		// Change price for price / baleni
		$('.l-col strong:contains("Cena")').html('Cena/balení');


	  // Bind actions
	  $('.inputSize').keyup(function() {
		 var userInput = parseFloat($(this).val().replace(',', '.').replace(' ', ''));
		 if(isNaN(userInput)) { $('.packageResultShow').hide(); return; }

		 var numPackages = Math.ceil(userInput / packageSize);
		 $('input[name="amount"]').val(numPackages);
		 $('.packageNum').html(numPackages + ' balení');
		 $('.totalPrice').html(number_format(numPackages * price , 2, ',', ' ') + ' Kč s DPH');
		 $('.packageResultShow').show();
	  });
	}

	// Package calculator
	showCalculator();

    // Replace baleni - za baleni
    $('.cell-price-final .pr-list-unit').css('display', 'block');
    $('.cell-price-final .pr-list-unit').css('font-size', '1.3rem');
    //$('.cell-price-final .pr-list-unit').html($('.pr-list-unit').html().replace('/&nbsp;balení', 'za balení'));

    // Category product list prices per meter
    convertPrices();
    $( document ).ajaxComplete(function() {
        convertPrices();
    });
    $('#category-tabs input').live('click', function(){
        $( document ).ajaxComplete(function() {
            convertPrices();
        });
    });
    $('.pagination a').live('click', function(){
        $( document ).ajaxComplete(function() {
            convertPrices();
        });
    });
</script>