// Begin SmartWebby Date Validation

// Declaring valid date character, minimum year and maximum year
var dtCh= "/";
var minYear=2010;
var maxYear=2100;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31;
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   }
   return this
}

function isDate(dtStr){
	var daysInMonth = DaysArray(12);
	var pos1=dtStr.indexOf(dtCh);
	var pos2=dtStr.indexOf(dtCh,pos1+1);
	var strDay=dtStr.substring(0,pos1);
	var strMonth=dtStr.substring(pos1+1,pos2);
	var strYear=dtStr.substring(pos2+1);
	strYr=strYear;
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1);
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1);
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1);
	}
	month=parseInt(strMonth);
	day=parseInt(strDay);
	year=parseInt(strYr);
	if (pos1==-1 || pos2==-1){
		return false;
	}
	if (strMonth.length<1 || month<1 || month>12){
		return false;
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		return false;
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		return false;
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		return false;
	}
return true;
}

// End SmartWebby Date Validation

function checkE() {
	var email = document.getElementById('email');
	var filter =  /^(("[\w-\s]+")|([\w-]+(?:\.[\w-]+)*)|("[\w-\s]+")([\w-]+(?:\.[\w-]+)*))(@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$)|(@\[?((25[0-5]\.|2[0-4][0-9]\.|1[0-9]{2}\.|[0-9]{1,2}\.))((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\.){2}(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\]?$)/i;
	if (!filter.test(email.value)){
		return false;
	}
	else {
		return true;
	}
}

function checkEmail() {
	var ok = checkE();
	if (ok) {
		$("#formular").removeClass('emai ');
		$("#email").addClass('ok');
		return true;
	}
	else {
		$("#formular").addClass('emai');
		$("#email").removeClass('ok');
		return false;
	}
}

function checkN() {
	var field = document.getElementById('name').value;
	var filter = /^[\wäöü" ".\-ß']+$/i;
	if (!filter.test(field)){
		return false;
	}
	return true;
}

function checkName() {
	var ok = checkN();
	if (ok) {
		$("#formular").removeClass('nnam ');
		$("#name").addClass('ok');
		return true;
	}
	else {
		$("#formular").addClass('nnam');
		$("#name").removeClass('ok');
		return false;
	}
}

function checkPhone(type) {
	if(type < 1 || type > 3) {
		return false;
	}
	else {
		var tel = document.getElementById('tel-'+type).value;
		var filter = /^[0-9]{3,8}$/i;
		if(type == "1") {
			filter = /^[\+]?[0-9]{1,4}$/i;
		}
		if(type == "2") {
			filter = /^[0-9]{2,5}$/i;
		}
		tel = filter.test(tel);
		if (!tel) {
			$("#formular").addClass('tel'+type);
			$('#tel-'+type).removeClass('ok');
			return false;
		}
		else {
			$("#formular").removeClass('tel'+type);
			$('#tel-'+type).addClass('ok');
		}
		return true;
	}
}

function depSug() { // fix departure date
	var start = $("#date-e").val() // arrival
  	var end = $("#date-l").val(); // departure
	start = start.split("/");
	end = end.split("/");
	for(var i=0; i<3; i++) { // integer casts
		start[i] = 1*start[i];
		end[i] = 1*end[i];
	}
	for(var i=0; i<3; i++) { // check if adjusting is needed
		if(end[2-i] > start[2-i]) {
			return;
		}
		else if (end[2-i] < start[2-i]) {
			break;
		}
	}
	var newD = new Date();
	newD.setFullYear(start[2]); // set year
	newD.setMonth(start[1]-1); // months go from 0 to 11
	newD.setDate(start[0]+1); // increment date
	var out = newD.getMonth()+1;
	if(out < 10) {
		out = 0 + "" + out;
	}
	if(newD.getDate() < 10) {
		out = "0" + newD.getDate() + "/" + out;
	}
	else {
		out = newD.getDate() + "/" + out;		
	}
	$("#date-l").val(out + "/" + newD.getFullYear());
}

function checkFirst() {
    var anr = checkAnreise();
    var abr = checkAbreise();
    var kind = checkKids();
    var abfl = checkAbflug();
    if(anr && abr && kind && abfl) {
        $("#weiter").removeClass('wrong');
        return true;
    }
    $("#weiter").addClass('wrong');
    return false;
}

function checkSecond() {
    var first = checkFirst();
	var returnName = checkName();
	var returnTel1 = checkPhone(1);
	var returnTel2 = checkPhone(2);
	var returnTel3 = checkPhone(3);
	var returnEmail = checkEmail();
	if(first && returnName && returnTel1 && returnTel2 && returnTel3 && returnEmail) { // Formular kann abgeschickt werden
        $("#send").removeClass('wrong');
		return true;
	}
    $("#send").addClass('wrong');
	return false;
}

function checkAnreise() {
	var datestr = document.getElementById('date-e').value;
	if(isDate(datestr)) {
	    $("#date-e").addClass('ok');
	    return true;
	}
	else {
		document.getElementById('date-e').value = getFormatDate(86400000);
	    $("#date-e").removeClass('ok');
		return false;
	}
}

function checkAbreise() {
	var datestr = document.getElementById('date-l').value;
	if(isDate(datestr)) {
	    $("#date-l").addClass('ok');
	    return true;
	}
	else {
		document.getElementById('date-l').value = getFormatDate(1900800000);
	    $("#date-l").removeClass('ok');
		return false;
	}
}

function showFlight() {
	if(document.getElementsByName('flug')[1].checked) {
		document.getElementById('Flug-container').style.display = "none";
	}
	else {
		document.getElementById('Flug-container').style.display = "block";
	}
}

function backgroundHeight() { //This adjusts the height of the dark overlay to the height of the page
	document.getElementById('Background').style.height = $(document).height()+"px"
} // end backgroundHeight()

function initiatePage() {
	document.getElementById('Background').className = "";
	$("#text").hide();
	$("#daten").hide();
	$("#send").hide();
	$("#weiter").show();
	$("#danke").hide();
	showFlight();
	insertDates();
	checkSecond();
	$("#email").attr("autocomplete", "off");
	backgroundHeight();
	document.getElementById('js').value = "1";
	document.getElementById('stage').value = "1";
	showKids();
}

function proceed () { // Klick auf 'weiter'
	if(document.getElementById('stage').value == "1") {
		$.post("/anfrage/form.php", $("#formular").serialize(), function(data){showdetails(data);});
	}
}

function sendInfo() { // Finalize Form
	if(document.getElementById('stage').value == "2") {
		$.post("/anfrage/form.php", $("#formular").serialize(), function(data){thankYou(data);});
	}
}

function showdetails(isOk) {
	$("#formular").attr('class',isOk);
	if(isOk == "") {
		document.getElementById('stage').value = "2";
		$("#text").show();
		$("#daten").show();
		$("#send").show();
		$("#weiter").hide();
	}
	else {
		document.getElementById('stage').value == "1"
		$("#text").hide();
		$("#daten").hide();
		$("#send").hide();
		$("#weiter").show();
	}
}

function thankYou (text) {
	if(text) { // Fehler in eingegebenen Daten
		$("#formular").attr('class',text);
	}
	else { // Daten waren ok, Danke Bildschirm kann angezeigt werden.
		$("#formular").hide();
		$("#danke").show();
	}
}

function getFormatDate(add) {
	var tomorrow = new Date();
	var day, month, year, tmp;
	tomorrow.setTime(tomorrow.getTime() + (add));
	day = tomorrow.getDate();
	if(day < 10) {
		day = "0" + day;
	}
	else {
	}
	month = tomorrow.getMonth() + 1;
	if(month < 10) {
		month = "0" + month;
	}
	year = tomorrow.getFullYear();
	return (day+"/"+month+"/"+year);
} // end getTomorrow

function insertDates() {
	document.getElementById('date-e').value = getFormatDate(86400000);
	document.getElementById('date-l').value = getFormatDate(1900800000);
}

function showHelp() { // Hilfe Funktion
	window.open('/anfrage/help.htm');
}

function checkAbflug() {
	if(document.getElementsByName("flug")[0].checked == false || document.getElementById("abflug").value != "") {
	    $("#formular").removeClass('abfl');
	    $("#abflug").addClass('ok');
	    return true;
	}
	else {
	    $("#formular").addClass('abfl');
	    $("#abflug").removeClass('ok');
	    return false;
	}
}


// Child functions

function showKids() {
    var sel = $("#kinder").val()*1;
    if(sel == 0) {
        $("#kindcont").hide();
    }
    else {
        $("#kindcont").show();
    }
    for(var i=1; i<=sel; i++) { // show selected amount
        $("#kind-con-"+i).show();
    }
    for(var i=(sel+1); i<6; i++) { // hide rest
        $("#kind-con-"+i).hide();
        $("#kind-"+i).val(0);
    }
    checkKids();
}

function checkKids() {
    var sel = $("#kinder").val()*1;
    var ok = true;
    for(var i=1; i<= sel; i++) {
        if($("#kind-"+i).val() == '0') {
            $("#kind-"+i).removeClass('ok');
            $('#formular').addClass('kind');
            ok = false;
        }
        else {
            $("#kind-"+i).addClass('ok');
        }
    }
    if(ok) {
        $('#formular').removeClass('kind');
    }
    return ok;
}

$(document).ready(function() { // $(document).ready
    initiatePage();
    $("#Open").click(function(event) {
	    event.preventDefault();
	    $("#Background").toggle();
    });
    $("#Close").click(function(event) {
	    event.preventDefault();
	    $("#Background").toggle();
    });
    $("#formular").submit(function() {
        return false;
    });
    $("#danke-close").mousedown(function(event) {
	    event.preventDefault();
	    $("#Background").toggle();
	    $("#formular")[0].reset();
	    $("#danke").hide();
	    $("#formular").show();
	    $("#formular").attr('class','');
	    initiatePage();
    });
    $("#weiter").click(function(event) {
	    event.preventDefault();
	    if(checkFirst) {
	        proceed();
	    }
    });
    $("#send").click(function(event) {
        event.preventDefault();
        if(checkSecond) {
            sendInfo();
        }
    });
    $("#hilfe").click(function(event) {
	    event.preventDefault();
	    showHelp();
    });

    // Begin Datepicker
    $('#date-e').datepicker({
        dateFormat: 'dd/mm/yy',
        minDate: 1,
        maxDate: '+3Y',
	    numberOfMonths:2,
	    showButtonPanel: true
    });
    $('#date-l').datepicker({
        dateFormat: 'dd/mm/yy',
        minDate: +2,
        maxDate: '+3Y',
	    numberOfMonths:2,
	    showButtonPanel: true
    });
    $('#date-e').change(function() {

		depSug();
	    checkAnreise();
	    checkSecond();
    });
    $('#date-l').change(function() {
	    checkAbreise();
	    checkSecond();
    });
    $("input:radio[name='flug']").click(function () {
	    showFlight();
        checkAbflug();
        checkSecond();
    });
    $('#abflug').keyup(function () {
        checkAbflug();
        checkSecond();
    });
    $('#email').keyup(function() {
	    checkEmail();
	    checkSecond();
    });
    $('#name').keyup(function() {
	    checkName();
	    checkSecond();
    });
    $('#tel-1').keyup(function() {
	    checkPhone(1);
	    checkSecond();
    });
    $('#tel-2').keyup(function() {
	    checkPhone(2);
	    checkSecond();
    });
    $('#tel-3').keyup(function() {
	    checkPhone(3);
	    checkSecond();
    });

    $("#kinder").change(function() {
        showKids();
        checkSecond();
    });
    $('#kind-1').change(function() {
	    checkSecond();
    });
    $('#kind-2').change(function() {
	    checkSecond();
    });
    $('#kind-3').change(function() {
	    checkSecond();
    });
    $('#kind-4').change(function() {
	    checkSecond();
    });
    $('#kind-5').change(function() {
	    checkSecond();
    });
	// End Datepicker
}); // end $(document).ready