(function(){					  var loadScript = function(url, callback)				  					{	var script = document.createElement("script"); 				  						script.type = "text/javascript"; 				  						if (script.readyState){ 				  												 script.onreadystatechange = function(){ 				  												 											if (script.readyState == "loaded" || script.readyState == "complete")				  												 											{ 					  												 												script.onreadystatechange = null;				  												 											 	callback(); 				  												 											 } 				  												 										}; 				  						} else { 				  							script.onload = function()				  														{ 				  															callback(); 				  														}; 				  								} 				  								script.src = url;				  								document.getElementsByTagName("head")[0].appendChild(script);				  						}; 				  						var fix = function($)				  						{

	if(!$('#VatId'))
		return;


	//var cart_form;	
	var register_form;	
	var sub_vat_id;
	var buy_button;
	var submit_btns;
	var submit_btn_index;
	var vars = {};
	var manual_mode = 'false';
	var execution_delay = 0;


	if(typeof m4u_deleted === 'undefined')
		vars['msg_deleted'] = 'The VAT ID has been deleted.';
	else 
		vars['msg_deleted'] = m4u_deleted;


	if(typeof m4u_format_error === 'undefined')
		vars['msg_format_error'] = 'Please enter a valid EU VAT ID.';
	else 
		vars['msg_format_error'] = m4u_format_error;


	if(typeof m4u_invalid_id === 'undefined')
		vars['msg_invalid_id'] = 'This VAT ID seems to be invalid, please contact us directly.';
	else 
		vars['msg_invalid_id'] = m4u_invalid_id;


	if(typeof m4u_no_country === 'undefined')
		vars['msg_no_country'] = 'Please enter a valid country code (e.g., DK, FR, DE,...)';
	else 
		vars['msg_no_country'] = m4u_no_country;


	if(typeof m4u_same_country === 'undefined')
		vars['msg_same_country'] = 'We are not allowed to issue VAT exempt invoices for businesses in the same country.';
	else 
		vars['msg_same_country'] = m4u_same_country;

	if(typeof m4u_vies_down === 'undefined')
		vars['msg_vies_down'] = 'The EU validation service is temporarily unavailable. Please contact us.';
	else 
		vars['msg_vies_down'] = m4u_vies_down;


	if(typeof m4u_validated === 'undefined')
		vars['msg_valid'] = 'Your VAT ID has been successfully validated.';
	else 
		vars['msg_valid'] = m4u_validated;

	if(typeof m4u_no_email === 'undefined' || m4u_no_email == '')
		vars['msg_no_email'] = 'Please enter a valid Email address.';
	else 
		vars['msg_no_email'] = m4u_no_email;


	vars['msg_deleting'] = 'deleting';


	var m4u_url = 'https://www.modules4u.biz/shopify/exemptify/';

	var m4u_img = m4u_url + 'images/';
	var wait_img = m4u_img+'ajax_loader.gif'; 
	var valid_ok = m4u_img+'checkmark_new.png'; 
	var valid_fail = m4u_img+'red_cross.png'; 
	var close_img = m4u_img+'close.png';
	var script_url = m4u_url + 'exemptify_v1.php';
	
	var eu_vat_countries = 
	[	'AT','BE','BG','HR','CY','CZ','DK','EE','FI','FR','DE','EL','HU',
		'IE','IT','LV','LT','LU','MT','NL','PL','PT','RO','SK','SI','ES',
		'SE','XI','EU'
	];

	var vat_rules = [	/^ATU{1}[0-9]{8}$/,/^BE{1}[0-9]{10}$/,/^BG{1}[0-9]{9,10}$/,/^HR{1}[0-9]{11}$/,/^CY{1}[0-9]{8}[A-Z]{1}$/,/^CZ{1}[0-9]{8,10}$/,
						/^DK{1}[0-9]{8}$/,/^EE{1}[0-9]{9}$/,/^FI{1}[0-9]{8}$/,/^FR{1}[0-9A-Z]{2}[0-9]{9}$/,/^DE{1}[0-9]{9}$/,/^EL{1}[0-9]{9}$/,
						/^HU{1}[0-9]{8}$/,/^IE{1}[0-9A-Z]{8,9}$/,/^IT{1}[0-9]{11}$/,/^LV{1}[0-9]{11}$/,/^LT{1}([0-9]{9}|[0-9]{12})$/,/^LU{1}[0-9]{8}$/,
						/^MT{1}[0-9]{8}$/,/^NL{1}[0-9]{9}B{1}[0-9]{2}$/,/^PL{1}[0-9]{10}$/,/^PT{1}[0-9]{9}$/,/^RO{1}[0-9]{2,10}$/,/^SK{1}[0-9]{10}$/,
						/^SI{1}[0-9]{8}$/,/^ES{1}[0-9A-Z]{1}[0-9]{7}[0-9A-Z]{1}$/,/^SE{1}[0-9]{12}$/,/^XI{1}[a-zA-Z0-9]*$/];
	
	const observer_config = { attributes: true, childList: true, subtree: true };

	const callback = function(mutationsList, observer) 
	{
    	for(let mutation of mutationsList) 
    	{
       		var target = $(mutation.target);
        	var index = target.attr('click_index');
        	var exemptify_button = $('.exemptify_button[click_index='+index+']');

			if (mutation.type === 'attributes') 
        	{
        		var attr = mutation.attributeName;
        		var nval = target.attr(attr);
        		if(!mutation.target.hasAttribute(attr))
					exemptify_button.removeAttr(attr);
				else
        			exemptify_button.attr(attr,nval);
				
				if(!exemptify_button.hasClass('exemptify_button'))
					exemptify_button.addClass('exemptify_button');
        	}
        	else if(mutation.type === 'childList') 
        	{
        		exemptify_button.html(target.html());
        	}
    	}
	};

	const observer = new MutationObserver(callback);
	
	$.expr[':'].regex = function(elem, index, match) {
    var matchParams = match[3].split(','),
        validLabels = /^(data|css):/,
        attr = {
            method: matchParams[0].match(validLabels) ? 
                        matchParams[0].split(':')[0] : 'attr',
            property: matchParams.shift().replace(validLabels,'')
        },
        regexFlags = 'ig',
        regex = new RegExp(matchParams.join('').replace(/^\s+|\s+$/g,''), regexFlags);
    	return regex.test($(elem)[attr.method](attr.property));
	}


	function setSessionCookie(key,val)
	{
		document.cookie = key+"="+val+"; path=/;"; 
	}

	function deleteSessionCookie(key)
	{
		document.cookie = key+"=; expires=Thu, 01 Jan 1970 00:00:00 UTC; path=/;";
	}

	function getSessionCookie(key) 
	{
    	var name = key+"=";
    	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);
        	}
        	if (c.indexOf(name) == 0) {
            	return c.substring(name.length,c.length);
        	}
    	}
    	return "";
	}		
	
	
	function validationState(state,msg)
	{
		var img = wait_img;
		if(state=='fail')
			img = valid_fail;
		else if(state=='ok')
			img = valid_ok;

		$('#StatusImg').attr('src',img);
		$('#ErrMsg').html(msg);
	}
	
	function validationResult(args)
	{	
		deleteVatAtts(validationResultInternal,args);

	}

	function validationResultInternal(args)
	{	
		var data = args[0];
		var cb = null;
		if(args.length > 1)
			var cb = args[1];

		var vat_id = data['vat_id'];
		var same_cty = data['same_country'];
		var status = data['status'];

		var res_msg = '';
		var res = false;
		

		if(status=='INVALID')
		{
			validationState('fail',vars['msg_invalid_id']);
			res_msg = 'INVALID ID';
		}
		else if(status=='ERROR')
		{
			validationState('fail',vars['msg_vies_down']);
			res_msg = 'GENERAL VIES ERROR';	
		}else
		{
			validationState('ok',vars['msg_valid']);	

			res_msg = 'ID SUCCESSFULLY VERIFIED';	
			res = true;
			setSessionCookie('exemptify-vat-id',vat_id);

			if(same_cty=='false')
				updateCartAtt('vat-id',vat_id,doSubmit);
			else
				updateCartAtt('local-vat-id',vat_id,doSubmit);

		}

		var detail = { 'detail': { 'validation_successful': res,'result_message': res_msg, 'same_country' : same_cty  } };
		var ev = new CustomEvent('ExemptifyValidationComplete',detail );
		if(cb!=null)
			cb(res_msg);
		
		document.body.dispatchEvent(ev);
		return;

	}

	function doSubmit()
	{
		/* VAT ID mandatory for all customers */	
		if(false && $('#VatId').val()==''   )
		{
			validationState('fail',vars['msg_format_error']);
			return;
		}

		/* VAT ID mandatory for all EU customers except for customers from merchant country */	
		if(false && ('US' != $('#ShopCtyId').val()) && false && $('#VatId').val()=='' )
		{
			validationState('fail',vars['msg_format_error']);
			return;			
		}

		


		if(submit_btns[submit_btn_index]!=null)	
		{
			if(''== submit_btn_index+'' )
			{
				$('form.').submit();
			} else
				setTimeout(function(){ submit_btns[submit_btn_index].click(); }, 500);
		}

	}

	
	function m4uRequest(path,method,vals)
	{
		var cb = null;

		if(vals.cb) 
			cb = vals.cb;

		vals.cb=null;	

		vals['shop'] = 'iqair-international-euro.myshopify.com';
		vals['time'] = '1731657248';
		vals['hmac'] = '1b2104bd89921fbabd593fff5f8fdd2bf6794c1e6aaf97feaa7bf819e4720bc2';

		$.ajax({

    		url  : path,
  			type : method,
  			crossDomain: true,
   			data : vals,
    		dataType:'json',
    		success : function(data) 
    		{   
   console.log(data);
    			switch (vals.action)
    			{
    				case 'new_get_vat_id' : if(data!=''){ $('#VatId').val(data) } ;break;
    				case 'new_validate_id' : validationResult([data,cb]);break;  
    				case 'new_delete_vat_id' : validationState('ok',vars['msg_deleted']);deleteVatAtts(doSubmit);break;     	
    				case 'get_customer' : getCustomerCB(data);break;    
    				case 'get_country' 	: $('#ShopCtyId').val(data);break;							

    			}
    		},
   			error : function(request,error)
    		{
    			if(vals.action=='new_validate_id' && error=='parsererror')
    			{
    				window.exemptify_validate();
    			}
    		}
		});
	}	


	function getCustomerCB(data)
	{
		$('#CustomerId').val(data['id']);
		var email = data['email'];

		window.cart_form.each(
			function(){
				var cart_action = $(this).attr('action');
				var con = '?';
				if(cart_action.indexOf('?')>-1)
					con = '&';
				$(this).attr('action',cart_action+con+'checkout[email]='+email);

				//console.log(window.cart_form.length);
			}

		)
		validate($('#VatId').val(),data['cart_action']);		
	}



	function htmlentities(str)
	{
		str = str.replace('&ouml;', 'ö');
		str = str.replace('&Ouml;', 'Ö');
		str = str.replace('&auml;', 'ä');
		str = str.replace('&Auml;', 'Ä');
		str = str.replace('&uuml;', 'ü');
		str = str.replace('&Uuml;', 'Ü');
		return str;

	}


	function deleteVatId(cb)
	{
		//validationState('wait',vars['msg_deleting']);
		var cid = $('#CustomerId').val();	
		deleteSessionCookie('exemptify-vat-id');
		$('#VatId').val('');

		if(cid!='')
			m4uRequest(script_url,'POST',{'action' : 'new_delete_vat_id','cid':cid});
		else
			if(typeof cb != 'undefined')
				deleteVatAtts(cb);
	}
	
	
	function loadVatId()
	{
		var cid = $('#CustomerId').val();	
		
		if(cid=='' || cid==null)
			return;
		m4uRequest(script_url,'POST',{'action' : 'new_get_vat_id','cid':cid});
	}

	function loadCountry()
	{
		m4uRequest(script_url,'POST',{'action' : 'get_country'});
	}


	function updateCartAtt(att,val,cb,args )
	{
		var base = ( typeof window.Shopify.routes != 'undefined' ) ? window.Shopify.routes.root : '/'  ;

		var post_data = att;
		if(typeof att === 'string')
			post_data = 'attributes['+att+']='+val;

		$.ajax({
  			type: "POST",
  			url: base + 'cart/update.js',
  			data: post_data,
  			success: function(data){ 
  						if(typeof cb != 'undefined')
  							cb(args);
  					} ,
  			dataType: 'json'
		});
	}



	function deleteVatAtts(cb, args)
	{
  		var atts = {};
  		atts['local-vat-id'] = null;
  		atts['vat-id'] = null;
  		updateCartAtt({ 'attributes' : atts },'', cb, args  );
		
	}

	
	window.submitCartForm = function(btn)
	{	
		var act_name= btn.attr('name');

		/* VAT ID mandatory for all customers */	
		if(false && $('#VatId').val()==''   )
		{
			validationState('fail',vars['msg_format_error']);
			return;
		}

		/* VAT ID mandatory for all EU customers except for customers from merchant country */	
		if(false && ('US' != $('#ShopCtyId').val()) && false && $('#VatId').val()=='' )
		{
			validationState('fail',vars['msg_format_error']);
			return;			
		}

		/* VAT ID entered but no valid Email address */
		if( ($('#VatId').val()!='' && $('#CustomerId').val()=='') || ( $('#VatId').val()=='' && $('#exemptify_email').val() != '') )
		{
			var email = $('#exemptify_email').val();
			email = email.trim();
			var emtest = new RegExp(/^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}$/,'i');
			if(! emtest.test(email) )
			{
				validationState('fail',vars['msg_no_email']);
				return;
			} else
			{
				setSessionCookie('exemptify-email', email);

				m4uRequest(script_url,'POST',{'action' : 'get_customer','cart_action':act_name, 'email':email});
				return true;
			}	
		}


		if(act_name==null)
			act_name='register';
		
		if(act_name=='register' && $('#VatId').val()=='')
		{
			validationResult(['FALSE']);
			return;
		}
		if($('#VatId').val()=='')
			deleteVatId(doSubmit);
		else
			validate( $('#VatId').val(), act_name);   
	};
	
	function validate(val,cart_action,cb)
	{	

		if((cart_action==null) || (cart_action=='') )
			cart_action='NONE';
		if(val=='')
		{
			if($('#CustomerId').val().length>0)
				deleteVatId(doSubmit);
			return true;
		}
		validationState('wait');

		var msg = '';
		val = val.toUpperCase();
		val = val.replace(/\s/g,'');
		$('#VatId').val(val);
		var cty  = val.substring(0,2);
		var code = val.substring(2);
		if (eu_vat_countries.indexOf(cty)==-1) 
		{
			msg = vars['msg_no_country'];
			validationState('fail',msg);	
			return;		
		}		

		var shopCty = $('#ShopCtyId').val();
		if(shopCty=='GR')
			shopCty='EL';
		var same_country = false;
		if(shopCty==cty  )
		{
			same_country = true;
			if(false)
			{
		 		msg = vars['msg_same_country'];
				validationState('fail',msg);	
				return;				
			}

		}
		
		var cid = $('#CustomerId').val();
		sub_vat_id=val;
		for(var i=0;i<vat_rules.length;i++)
		{
			if (vat_rules[i].test(val))
			{
				var req_arr = {'action' : 'new_validate_id','cid':cid,'countryCode':cty,'vatNumber':code,'cart_action':cart_action, 'same_country': same_country};
				if(cb!=null)
					req_arr['cb'] = cb;
				m4uRequest(script_url,'POST',req_arr);
				return;
			}
			
		}
		msg = vars['msg_format_error'];
		validationState('fail',msg);
		return;					
	}

	window.exemptify_validate = function(cb)
	{
		validate($('#VatId').val(),'',cb);
	};
	

	window.swapButtons = function ()
	{
		var cart_form = $('form:regex(action,\/?.*?\/cart\(?!\/\).*)');
		window.cart_form = cart_form;
		var submit_btns1 = $('form:regex(action,\/?.*?\/cart\(?!\/\).*) button[type=submit],form[action$="/checkout"] button[type=submit]');
		var submit_btns2 = $('form:regex(action,\/?.*?\/cart\(?!\/\).*) input[type=submit]');
		var submit_btns3 = $('.cart__checkout-button');
		var submit_btns4 = $('.exemptify_checkout');
		var submit_btns5 = $('#CheckOut');

		submit_btns = $.merge(submit_btns1,submit_btns2);
		submit_btns = $.merge(submit_btns,submit_btns3);
		submit_btns = $.merge(submit_btns,submit_btns4);
		submit_btns = $.merge(submit_btns,submit_btns5);

		submit_btns = $.uniqueSort(submit_btns);

		var vat_id_att = $('input[name="attributes[vat-id]"]');


		vat_id_att.attr('name','exemptify_dummy');

		
		if( ($('#VatIdSubmit').length==0) && (manual_mode!='true') )
		{
			var email_f = vat_id_att.clone();
			email_f.val('');
			email_f.val(getSessionCookie('exemptify-email'));
			email_f.attr('name','exemptify_email');
			email_f.attr('maxlength','150');
			email_f.attr('id','exemptify_email');

			email_f.attr('placeholder','Email address');
	
			if(email_f.attr('email_ph')!='' && email_f.attr('email_ph')!= null)
				email_f.attr('placeholder',email_f.attr('email_ph'));
			

			vat_id_att.after(email_f);

			var cid = $('#CustomerId').val();
			if(cid!='')
				email_f.hide();
			
			updateCartAtt('exemptify_cart_module_installed','true');
			
			submit_btns.each(function(index){

				if( $(this).hasClass('exemptify_ignore') || $(this).hasClass('exemptify_button') )
					return;


 			$.each(this.attributes, function(i, attrib){
     			var name = attrib.name;
     			var value = attrib.value;
    		//console.log(name);
 			 });

				var clone = $(this).clone(false);

				clone.attr('click_index',index);
				clone.addClass('exemptify_button');
				$(this).attr('click_index',index);
				var button_type = $(this).get(0).tagName;
				var bname= ($(this).attr('name')!=null) ? $(this).attr('name')+'-exemptify' : '';
				var bid= ($(this).attr('id')!=null) ? $(this).attr('id')+'-exemptify' : '';

				clone.attr('name',bname);
				clone.attr('id',bid);
				clone.attr('type','button');

				if(button_type.toLowerCase()=='a')
					clone.attr('href','#ExemptifyCartValidationSnippet');
				

				$(this).after(clone);
				$(this).hide();

				var but_node = $(this).get(0);
				observer.observe(but_node, observer_config);				

				clone.show();

				clone.off();
				clone.click(function(e){
					submit_btn_index = index;

					submitCartForm($(this));
				});
			});
		}
		


		loadVatId();	
		loadCountry();
		sub_vat_id='';
		buy_button = '';


		$('#VatIdSubmit').click(function(){ sub_vat_id = $('#VatId').val();validate( sub_vat_id ); }	);
		$('#DeleteId').click(function(){ deleteVatId(); }	);	  
		

		$('#BuyButtonVatIdSubmit').click(function(){ sub_vat_id = $('#VatId').val();validate( sub_vat_id,'buy_button' ); }	);
		$('#BuyButtonDeleteId').click(function(){  }	);		
		if($('#BuyButtonVatIdSubmit').length >0) 
		{
			var cv = getSessionCookie('exemptify-vat-id');

			if(cv!='')
				$('#VatId').val(cv);
		}
			
/*
		if(register_form.length >0) {
			if(getLCookie()!='')
				$('#VatId').val(getLCookie());
			}
*/		



		$(document).keypress(function(e) 
		{
			if(false)
				return;
			if(e.which == 13) {	$('[name=checkout-exemptify]').click(); return true;	}
		});

		var ev = new CustomEvent('ExemptifyButtonsReady' );
		
		document.dispatchEvent(ev);
	}




	$(document).ready(function()
	{		

		setTimeout(function() {
		
			if(false &! false)
			{
				$('#ExemptifyCartValidationSnippet').hide();
				return;
			}

			if( (( $('#ShopCtyId').val() == 'US') || (! false) ) && false)
			{
				$('#ExemptifyCartValidationSnippet').hide();
				return;
			}


			if( $('#ShopCtyId').val()=='XX' )
				return;

		}, 800);


		setTimeout(function(){ swapButtons(); },execution_delay);
		
	});	}; 
	if ((typeof jQuery === 'undefined') || (parseFloat(jQuery.fn.jquery) < 3)) 
	{ 
		loadScript('//modules4u.biz/shopify/js/jquery/jquery-3.2.1.min.js', function() {
										  jQuery32 = jQuery.noConflict(true); 
										  fix(jQuery32); 
									   } 
				   ); 
	}
	else
	{ fix(jQuery); }

})();