$(document).ready(function() {
	checklang();
	invalidpin();
});

//Shows pin error is missing or wrong
function invalidpin(){
	var pinerror = 0;
	try{
		var pinvalid = getUrlParameter('invalid');
		if(pinvalid=='True'||pinvalid=='False'){
			$('.pinerror').show();
				try {
					getCookie(pinerror);
				} catch(err) {
					//do nothing
				}
		} else {
			//Remove comment to test
			//$('.pinerror').show();
		};
	} catch(err) {
		//do nothing
	}
}

function checklang(){
	
	var navlang = navigator.language.substring(0,2).toUpperCase();
	var pagelang = $('html')[0].lang.toUpperCase();
	var cookielang;
	try {
		getCookie(cname);
	} catch(err) {
		//do nothing
	}
	
	
	
}

//Sets start language
//Most text can be placed in DIVs with either english or spanish at the class
//Input values though need to be set directly using .val()
function togglelang(lang,page){
	try{
		if(lang=='es'){
			//$('.english').attr("style", "display: none !important");
			//$('.spanish').attr("style", "display: inline !important");
			//$('#toggletoen').removeAttr("style");
			//$('#toggletoes').attr("style", "display: none !important");
			//$('#lang').val("es");
			//$("#RD_PIN").attr("placeholder", "Ingrese el código de acceso");
			//$("#buttonsubmit").attr("value", "Iniciar encuesta");
			createcookie('es');
			window.open(page,"_self");
		} else {
			//$('.spanish').attr("style", "display: none !important");
			//$('.english').attr("style", "display: inline !important");
			//$('#toggletoes').removeAttr("style");
			//$('#toggletoen').attr("style", "display: none !important");
			//$('#lang').val("en");
			//$("#RD_PIN").attr("placeholder", "Enter Access Code");
			//$("#buttonsubmit").attr("value", "Start Survey");
			//$('#submitText').val(" Submit ");
			createcookie('en');
			window.open(page,"_self");
		}
	} catch(err){
		//do nothing
	}
	
}

function updatelink(){
	try{
		var pin = getUrlParameter('pin');
		var st = getUrlParameter('st');
		//manually overriding the st temporarily
		st="";
		var lang = getUrlParameter('lang');
		var domain = document.domain;
		var urlen = "https://"+domain+"/SE/?st=="+pin+"&lang="+lang; 
		var urles = "https://"+domain+"/SE/?st="+st+"&p="+pin+"&lang="+lang; 
		$("#gobacklinken").attr("href", urlen);
		$("#gobacklinkes").attr("href", urles);
		$("#pinen").html(pin);
	} catch(err) {
		//do nothing
	}
	
	
}
//Gets URL parameters
function getUrlParameter(sParam) {
	var sPageURL = decodeURIComponent(window.location.search.substring(1)),
		sURLVariables = sPageURL.split('&'),
		sParameterName,
		i;
	for (i = 0; i < sURLVariables.length; i++) {
		sParameterName = sURLVariables[i].split('=');
		if (sParameterName[0] === sParam) {
			return sParameterName[1] === undefined ? true : sParameterName[1];
		}
	}
};

//Splits pin and last digit into two hidden fields on page.
function movepin(){
	var fullpin = $('#pinInput').val();
	if(fullpin.length==5){
		var pinonly = fullpin.substring(0,4)
		var lastdigit = fullpin.substring(4,5)
		$('#pin').val(pinonly);
		$('#LASTDIGIT_LAST').val(lastdigit);
	} else {
		$('#pin').val('');
		$('#LASTDIGIT_LAST').val('');
	}
};


//Using a cookie so that the language will display the same language as the last time the page was accessed.
function createcookie(cname, lang){
	if(lang.length==0){
		lang = 'en';
	}
	exdays = 90;
	var d = new Date();
	d.setTime(d.getTime() + (exdays*24*60*60*1000));
	var expires = "expires="+d.toUTCString();
	document.cookie = cname + "=" + lang + "; " + expires +"; path=/;";
}


function getCookie(cname) {
	var name = cname + "=";
    var ca = document.cookie.split(';');
    if(ca.length>0){
		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 "";
}

//These 2 functions hide and show the inset boxes
function showbox(popupid) {
	var popups = $(".popupcontainer");
	for (i = 0; i < popups.length; i++) {
			var popupidclose = $(".popupcontainer")[i];
			hidebox(popupidclose);
		}
	$(popupid).slideDown(500);
	var popupoffset = $(popupid).offset();
	var yaxisoffset = popupoffset.top - 80;
	$('html, body').animate({
		scrollTop: yaxisoffset
	});
}

function hidebox(popupid) {
	$(popupid).slideUp(500);
}