jQuery( document ).ready(function($) {
	"use strict";

	// Update the values for all our input fields and initialise the sortable repeater
	$('.izo-sortable_repeater_control').each(function() {
		// If there is an existing customizer value, populate our rows
		var defaultValuesArray = $(this).find('.customize-control-sortable-repeater').val().split(',');
		var numRepeaterItems = defaultValuesArray.length;

		if(numRepeaterItems > 0) {
			// Add the first item to our existing input field
			$(this).find('.repeater-input').val(defaultValuesArray[0]);
			// Create a new row for each new value
			if(numRepeaterItems > 1) {
				var i;
				for (i = 1; i < numRepeaterItems; ++i) {
					izoAppendRow($(this), defaultValuesArray[i]);
				}
			}
		}
	});

	// Make our Repeater fields sortable
	$(this).find('.izo-sortable_repeater.sortable').sortable({
		update: function(event, ui) {
			izoGetAllInputs($(this).parent());
		}
	});

	// Remove item starting from it's parent element
	$('.izo-sortable_repeater.sortable').on('click', '.customize-control-sortable-repeater-delete', function(event) {
		event.preventDefault();
		var numItems = $(this).parent().parent().find('.repeater').length;

		if(numItems > 1) {
			$(this).parent().slideUp('fast', function() {
				var parentContainer = $(this).parent().parent();
				$(this).remove();
				izoGetAllInputs(parentContainer);
			})
		}
		else {
			$(this).parent().find('.repeater-input').val('');
			izoGetAllInputs($(this).parent().parent().parent());
		}
	});

	// Add new item
	$('.customize-control-sortable-repeater-add').click(function(event) {
		event.preventDefault();
		izoAppendRow($(this).parent());
		izoGetAllInputs($(this).parent());
	});

	// Refresh our hidden field if any fields change
	$('.izo-sortable_repeater.sortable').change(function() {
		izoGetAllInputs($(this).parent());
	})

	// Add https:// to the start of the URL if it doesn't have it
	$('.izo-sortable_repeater.sortable').on('blur', '.repeater-input', function() {
		var url = $(this);
		var val = url.val();
		if(val && !val.match(/^.+:\/\/.*/)) {
			// Important! Make sure to trigger change event so Customizer knows it has to save the field
			url.val('https://' + val).trigger('change');
		}
	});

	// Append a new row to our list of elements
	function izoAppendRow($element, defaultValue = '') {
		var newRow = '<div class="repeater" style="display:none"><input type="text" value="' + defaultValue + '" class="repeater-input" placeholder="https://" /><span class="dashicons dashicons-sort"></span><a class="customize-control-sortable-repeater-delete" href="#"><span class="dashicons dashicons-no-alt"></span></a></div>';

		$element.find('.sortable').append(newRow);
		$element.find('.sortable').find('.repeater:last').slideDown('slow', function(){
			$(this).find('input').focus();
		});
	}

	// Get the values from the repeater input fields and add to our hidden field
	function izoGetAllInputs($element) {
		var inputValues = $element.find('.repeater-input').map(function() {
			return $(this).val();
		}).toArray();
		// Add all the values from our repeater fields to the hidden field (which is the one that actually gets saved)
		$element.find('.customize-control-sortable-repeater').val(inputValues);
		// Important! Make sure to trigger change event so Customizer knows it has to save the field
		$element.find('.customize-control-sortable-repeater').trigger('change');
	}

});