// $Id: validation.js 27 2011-11-10 17:27:12Z erik $

// trim zeros
function trimZeroes(theField) {
	var num;
	if (theField.value.length == 2 && theField.value.charAt(0) == "0"){
		num = theField.value.charAt(1);
		theField.value = num;
	}
}

// checks for valid email address formatting
function isValidLogin(theField) {
	theField.value=theField.value.toLowerCase();

	//ensure @ and .
	if(theField.value.indexOf("@", 0) == -1 || theField.value.indexOf(".", 0) == -1 ){ return false; }

	//ensure no illegal characters
	var bad = " :;'#~`,()$^&*!{}[]"
	for(i=1; i<theField.value.length; i++){
		if(bad.indexOf(theField.value.charAt(i)) != -1 ){
			return false;
		}
	}
	return true;
}

// ensure valid login
function validateLogin(theField) {
	//generates error message
	if (!isValidLogin(theField)){
		alert('The field "'+theField.vName+'" requires an email address \nin the form user@domain.com');
		return false;
	}
	return true;
}

// checks for valid email address formatting
function isValidEmail(theField) {
	theField.value=theField.value.toLowerCase();

	//ensure @ and .
	if(theField.value.indexOf("@", 0) == -1 || theField.value.indexOf(".", 0) == -1 ){ return false; }

	//ensure valid domain
	var theDomain = theField.value.substring(theField.value.indexOf('@')+1,theField.value.length);
	if ((theDomain == 'fastfloors.com') || (theDomain == 'catalfamogallery.com') || (theDomain == 'tonger.com')) { return false; }

	//ensure no illegal characters
	var bad = " :;'#~`,()$^&*!{}[]<>!%?|\\/"
	for(i=1; i<theField.value.length; i++){
		if(bad.indexOf(theField.value.charAt(i)) != -1 ){
			return false;
		}
	}
	return true;
}

// checks for valid email
function validateEmail(theField) {
	//generates error message
	if (!isValidEmail(theField)){
		alert('The field "'+theField.vName+'" requires an email address \nin the form user@domain.com');
		return false;
	}
	return true;
}

// checks for valid URL formatting, requiring http://...
function isValidURL(theField) {
	var bad = " ;'@\\"
	if(theField.value.indexOf("http://", 0) == -1 || theField.value.indexOf(".", 0) == -1 ){
		 return false;
	}
	for(i=1; i<theField.value.length; i++){
		if(bad.indexOf(theField.value.charAt(i)) != -1 ){
			return false;
		}
	}
	return true;
}

// validates URL
function validateURL(theField) {
	//generates error message
	if (!isValidURL(theField)){
		alert('The field "'+theField.vName+'" requires a URL \nin the form http://www.mycompany.com');
		theField.value = '';
		return false;
	}
	return true;
}

// checks for valid URL formatting for relative links
function isValidURL2(theField) {
	var bad = " ;'@\\"
	if(theField.value.indexOf("/", 0) == -1){
		 return false;
	}
	for(i=1; i<theField.value.length; i++){
		if(bad.indexOf(theField.value.charAt(i)) != -1 ){
			return false;
		}
	}
	return true;
}

// validates relative url
function validateURL2(theField) {
	//generates error message
	if (!isValidURL(theField)){
		alert('The field "'+theField.vName+'" requires a relative URL \nsuch as \'/folder/file.htm\'');
		theField.value = '';
		return false;
	}
	return true;
}

// checks for valid numeric
function validateNumeric(theField) {
	var tmp = fnCleanDecimal(theField.value);
	if (isNaN(parseFloat(tmp))){
		alert('The field "'+theField.vName+'" requires a number.');
		theField.value=0;
		return false
	}
	theField.value=tmp;
	return true;
}

// checks for valid integer
function validateInteger(theField) {
	var tmp = fnCleanNumber(theField.value);
	if (isNaN(parseFloat(tmp))){
		alert('The field "'+theField.vName+'" requires an integer.');
		theField.value=0;
		return false
	}
	theField.value=tmp;
	return true;
}

// checks for whole number
function validateWholeNumber(theField){
	var tmp = (theField.value);
	var numbers = "0123456789";
	for(q=0; q<tmp.length; q++){
		if (numbers.indexOf(tmp.charAt(q)) == -1){
			alert('The field "'+theField.vName+'" requires a whole number.');
			theField.value=0;
			return false
		}
	}
	theField.value=tmp;
	return true;
}

// checks for valid US phone number
function validatePhone(dataField){
	var format = "(###) ###-####";
	var tmp = dataField.value;
	var tmp3 = fnCleanNumber(tmp)
	if (tmp3.charAt(0) == 1){
		tmp3 = tmp3.substring(1,tmp3.length);
		dataField.value = tmp3;
	}
	if(tmp3.length == 10){
		fnFormat(dataField, format);
	}
	else{
		alert("Please Enter Phone Number in This Format (###) ###-####");
		dataField.value = '';
	}
}

function isValidPhone(dataField){
// checks for valid US phone number
	var format = "(###) ###-####";
	var tmp = dataField.value;
	var tmp3 = fnCleanNumber(tmp)
	if (tmp3.charAt(0) == 1){
		tmp3 = tmp3.substring(1,tmp3.length);
		dataField.value = tmp3;
	}
	if(tmp3.length == 10){
		fnFormat(dataField, format);
		return true;
	}
	else{
		return false;
	}
}

function validateZipCode(dataField){
	var format = "#####-####";
	var tmp = new String( dataField.value );
	if(true){

		if ((tmp.length==9) && (tmp.indexOf("-")<0)){
		// check the zip if length=9
			for(i=0; i<tmp.length; i++){

				if( ( tmp.charAt(i) < "0" )||(  tmp.charAt(i) > "9" ) ){
					alert( "Please Enter the Zip Code in the format ##### or #####-####" );
					dataField.value = '';
					return false;
				}
			}
			// put in the dash
			fnFormat(dataField, format);
			return true;
		}
		else if((tmp.length == 10)&&( tmp.charAt(5) != "-" )){
		// check the zip if 10 long
			alert( "Please Enter the Zip Code in the format ##### or #####-####" );
			dataField.value = '';
			return false;
		}
		else if(tmp.length < 5 || tmp.length > 5 && tmp.length < 10 || tmp.length > 10){
		// check the zip if not 5 long, or 10 long
			alert( "Please Enter the Zip Code in the format ##### or #####-####" );
			dataField.value = '';
			return false;
		}

		for(i=0; i<tmp.length; i++){
			if( ((  tmp.charAt(i) < "0" )||(  tmp.charAt(i) > "9" )) && !(( tmp.charAt(i) == "-" )&&( i == 5 )) ){
				alert( "Please Enter the Zip Code in the format ##### or #####-####" );
				dataField.value = '';
				return false;
			}
		}
	}
}

function isValidZip(dataField){
	// checks if valid zip code
	var format = "#####-####";
	var Can_format = "######";
	var tmp = new String( dataField.value );

	// check the zip if length=9
	if ((tmp.length==9) && (tmp.indexOf("-")<0)){
		for(i=0; i<tmp.length; i++){
			if( ( tmp.charAt(i) < "0" )||(  tmp.charAt(i) > "9" ) ){
				return false;
			}
		}
		// put in the dash
		fnFormat(dataField, format);
		return true;
	}

	// check the zip if 10 long
	else if((tmp.length == 10)&&( tmp.charAt(5) != "-" )){
		return false;
	}

	// Check Canadian Zip
	else if ((tmp.length==6) && (tmp.indexOf("-")<0)){
		var ZipValue = /^\D{1}\d{1}\D{1}\-?\d{1}\D{1}\d{1}$/;
		if (!ZipValue.test(tmp))
		{
			return false;
		}
		// put in the dash
		fnFormat(dataField, Can_format);
		return true;
	}
	else if(tmp.length == 7)
	{
		if ((tmp.indexOf("-") != 3) && (tmp.indexOf(" ") != 3 ))
		{
			return false;
		}
		else{
			var ZipValue = /^\D{1}\d{1}\D{1}\-?\d{1}\D{1}\d{1}$/;
			if ((tmp.indexOf(" ") == 3) || (tmp.indexOf("-") == 3))
			{
					tmp=tmp.substring(0,3) + tmp.substring(4) ;
					dataField.value=tmp;
			}
			if (!ZipValue.test(tmp))
			{
				return false;
			}
			fnFormat(dataField, Can_format);
			return true;
		}
	}

	// check the zip if not 5 long, or 10 long
	else if(tmp.length < 5 || tmp.length > 5 && tmp.length < 10 || tmp.length > 10){
		return false;
	}

	if (tmp.length != 7){
		for(i=0; i<tmp.length; i++){
			if(((tmp.charAt(i) < "0") ||(tmp.charAt(i) > "9")) && !((tmp.charAt(i) == "-") && (i == 5))){
				return false;
			}
		}
	}
	return true;
}

function fnFormat(string, format){
// formats string (used by zipcode, etc.)
	var string2 = string.value;
	var tmp="";
	if (format=="######")
	{
		tmp = string2;
	}
	else// if (format=="#####-####")
	{
		tmp = fnCleanNumber(string2);
	}
	var newstring = "";

	for (i=0, j=0; i<format.length; i++) {
		if (format.charAt(i) == "#") {
			newstring += tmp.charAt(j);
			j++;
		}
		else{
			newstring += format.charAt(i);
		}
		string.value = newstring.toUpperCase();
	}
}

//clean integer
function fnCleanNumber(string) {
	var numbers = "0123456789";
	var newstring = "";
	for (i=0; i<string.length; i++)	{
		if (numbers.indexOf(string.charAt(i)) == -1) {
		}
		else {
			newstring += string.charAt(i);
		}
	}
	return (newstring);
}

//clean decimal
function fnCleanDecimal(string) {
	var numbers = "0123456789.";
	var newstring = "";
	for (i=0; i<string.length; i++)	{
		if (numbers.indexOf(string.charAt(i)) == -1) {
		}
		else {
			newstring += string.charAt(i);
		}
	}
	return (newstring);
}

//clean negative integer
function fnCleanNegInteger(string) {
	var numbers = "0123456789-";
	var newstring = "";
	for (i=0; i<string.length; i++)	{
		if (numbers.indexOf(string.charAt(i)) == -1) {
		}
		else {
			newstring += string.charAt(i);
		}
	}
	return (newstring);
}

function isBlank(s,lf){
// utility function
// returns true if contains only whitespace characters
	if( s=="undefined" ) return true;

	var tmpbad = " \t";
	if (lf == false) tmpbad += "\r\n";

	for( var i=0; i < s.length; i++ ){
		if (tmpbad.indexOf(s.charAt(i)) == -1) return false
	}
	return true;
}

function validateForm( f, errs ){
// carry out form validation
// displays errors
// returns true if everything is ok

	var msg;
	var empty_fields= "";
	var errors = "";
	var value = 0;

	if (!((errs==null) || (errs==""))){
		errors = errors + errs;
	 }

	for (var i=0; i < f.length ; i++ ){
		var e = f.elements[i];
		var lf = e.type=="textarea";
		var req = (e.vReq == "true") ? (e.display != "none") : false;
		if (e.vName != '' && e.vName != undefined){

			if ((e.type=="text") || (e.type=="textarea") || (e.type=="select-one") || (e.type=="radio") || (e.type=="password")){
				value = e.value;

				//scrub string for invalid characters
				if (((e.type=="text")||(e.type=="textarea")) && (!((value==null)||(value=="")||isBlank(value,lf)))){
					var tmpvalue = value;
					var tmpallowed = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%&*()[],.?/-_\x3d ";
					if (e.type == "textarea") tmpallowed += ":;'<>\r\n{}";
					var tmpclean = "";
					for (tmpi=0; tmpi<tmpvalue.length; tmpi++){
						if (tmpallowed.indexOf(tmpvalue.charAt(tmpi)) == -1) { }
						else { tmpclean += tmpvalue.charAt(tmpi); }
					}
					e.value = tmpclean;
				}

				//first check if the field is empty
				if (eval(req) && ((value==null)||(value=="")||isBlank(value,lf)) && (!( e.type=="select-one"))){
					empty_fields += "\n         " + e.vName;
					continue;
				}

				//Check for email addresses
				if ((e.vType == "email") && (!((value==null)||(value=="")||isBlank(value,lf)))){
					if (!(isValidEmail(e)))
						errors +=" - Please enter a valid email address in "+e.vName+" (i.e., yourname@yourcompany.com).\n";
				}

				//Check for URL requiring http://
				if ((e.vType == "URL") && (!((value==null)||(value=="")||isBlank(value,lf)))){
					if (!(isValidURL(e)))
						errors +=" - Please enter a valid URL in "+e.vName+" (i.e., http://www.yourcompany.com).\n";
				}

				//Check for URL2: relative URLs
				if ((e.vType == "URL2") && (!((value==null)||(value=="")||isBlank(value,lf)))){
					if (!(isValidURL2(e)))
						errors +=" - Please enter a valid URL in "+e.vName+" (i.e., /folder/file.htm).\n";
				}

				//Check for phone number
				if ((e.vType == "phone") && (!((value==null)||(value=="")||isBlank(value,lf)))){
					if (!(isValidPhone(e)))
						errors +=" - Please enter a valid phone number in "+e.vName+".\n";
				}

				//Check for zipcode
				if ((e.vType == "zipcode") && (!((value==null)||(value=="")||isBlank(value,lf)))){
					if (!(isValidZip(e)))
						errors +=" - Please enter a valid zipcode in "+e.vName+" (i.e., 30332 or 30332-1234 or A1S-2D3 or A1S 2D3).\n";
				}

				//check for IP address
				if ((e.vType=="ip")&&((e.vMin!=null)||(e.vMax!=null))){

					if ( ( e.type=="text")|| ( e.type=="textarea" ) ){
						value=parseFloat(e.value)
					}else if ( e.type=="select-one"){
						value=parseFloat(e.selectedIndex)
					}

					var v =  value;

					if (isNaN(v)||
						((e.vMin != null) && ( v < e.vMin)) ||
						((e.vMax != null) && ( v > e.vMax))){

						errors += " - The field " + e.vName + " must be an IP address in which each octet is between 0 and 255.\n";
					}
				}

				//Now check for fields that are numeric
				if (eval(req) || (!((value==null) || (value=="") || isBlank(value,lf)))){

					//check for integer
					if ((e.vType=="integer") && (!((e.type=="select-one") || (e.type=="radio")))){
						//check integer if min/max not set
						prob = '0';
						tmp=(e.value);
                        numbers = "0123456789";
						for(q=0; q<tmp.length; q++){
							if (numbers.indexOf(tmp.charAt(q)) == -1){
								prob='1';
							}
						}
						if (prob=='1'){
							if ((e.vName=='') || (e.vName=='undefined')){ e.vName = e.name; }
							errors += " - " + e.vName + " must be an integer.\n";
						}
						prob = '0';
					}
					//check for decimal value
					if ((e.vType=="numeric") && (!((e.type=="select-one") || (e.type=="radio")))){
						//check numeric if min/max not set
						prob = '0';
						tmp=(e.value);
						numbers = "0123456789.";
						var cntNumDecimals = 0;
						for(q=0; q<tmp.length; q++){
							if (numbers.indexOf(tmp.charAt(q)) == -1){
								prob='1';
							}
							if (tmp.charAt(q) == "."){
								cntNumDecimals += 1;
							}
						}
						if ((prob=='1') || (cntNumDecimals > 1)){
							errors += " - " + e.vName + " must be numeric.\n";
						}
						prob = '0';
					}
					//check for negative integer
					if ((e.vType=="integer2") && (!((e.type=="select-one") || (e.type=="radio")))){
						//check integer if min/max not set
						var q,tmp,prob;
						prob = '0';
						tmp=(e.value);
						var numbers = "0123456789-";
						for(q=0; q<tmp.length; q++){
							if (numbers.indexOf(tmp.charAt(q)) == -1){
								prob='1';
							}
						}
						if (prob=='1'){
							errors += " - " + e.vName + " must be an integer.\n";
						}
						prob = '0';
					}
					//check min/max
					if ((e.vType == "numeric") || (e.vType = "integer")) {
							var nMin = isNaN(e.vMin) ? 0 : eval(e.vMin);
							var nMax = isNaN(e.vMax) ? 0 : eval(e.vMax);

							if (nMin > 0 || nMax > 0) {
								var blnPicklistAlert = "false";
								var valueBlank = 1;

								if ( ( e.type=="text")|| ( e.type=="textarea" ) ){
									value=parseFloat(e.value);
								}
								else if ( e.type=="select-one"){
									value=parseFloat(e.selectedIndex);
									valueBlank=e[e.selectedIndex].value;
								}

								var v = value;
								if (isNaN(v) || ((nMin > 0) && (v < nMin)) || ((nMax > 0) && (v > nMax))) {
										errors += " - The field " + e.vName;
										if (e.type == "select-one") {
												if (nMin > 0) {
														errors += " must have a value selected";
														blnPicklistAlert = "true";
												}
										}
										else {
												errors += " must be a number";
												if (nMax > 0 && nMin > 0) {
														errors += " between " + e.vMin + " and " + e.vMax;
												}
												else if (nMin > 0) {
														errors += " greater than " + e.vMin;
												}
												else if (nMax > 0) {
														errors += " less than " + e.vMax;
												}
										}
										errors += ".\n";
								}
						}
						//hack for StateProvince
						if ((!(eval(blnPicklistAlert))) && eval(req) && (eval(e.vMin)>0) && (valueBlank=='000') && (e.type=="select-one")){
							errors += " - The field " + e.vName + " must have a value selected.\n";
						}
					}
				}
			} //end if e.type
		} //end if e.vName != undefined
	} //end for

	// display errors
	if (!empty_fields && !errors){
		if (f.customValidation){
			return(f.customValidation(f))
		}
		else
		{
			return true;
		}
	}

	msg  = "_______________________________________________\n\n";
	msg += "   P L E A S E    N O T E:\n";
	msg += "   This form contains errors. Please correct\n";
	msg += "   the errors and then re-submit the form.\n";
	msg += "_______________________________________________\n\n";

	if (empty_fields){
		msg += " - The following required fields are empty:" + empty_fields + "\n";
		if (errors) msg += "\n";
	}

	msg += errors;
	alert(msg);
	return false;
//	return confirm(msg+"\nSave anyway?");
}

function onFormatField( e ){
	// format the data in the field
	var dataType = new String (e.vType);
	var controlType = new String (e.type);
	var lf = e.type="textarea" ? true : false;

	if (e.vMaxsize!=null) {
		if (e.value.length>e.vMaxsize){
			alert("The value in "+e.vName+" is too long and will be truncated.");
			e.value=e.value.slice(0,e.vMaxsize-1)
		}
	}

	// if it is a text input....
	if ((controlType.toUpperCase()=="TEXT")&&(!isBlank(e.value,lf))){

		if (dataType.toUpperCase()=="PHONE"){
			fnPhoneNo(e);
		}else if (dataType.toUpperCase()=="ZIPCODE"){
			fnZipCode(e);
		}else if (dataType.toUpperCase()=="STRING"){
			e.value = e.value;
		}else if (dataType.toUpperCase()=="DOMAINNAME"){
			e.value = e.value;
		}else if (dataType.toUpperCase()=="NUMERIC"){
			validateNumeric(e);
		}else if (dataType.toUpperCase()=="IP"){
			validateNumeric(e);
		}else if (dataType.toUpperCase()=="LOGIN"){
			validateLogin(e);
		}else if (dataType.toUpperCase()=="EMAIL"){
			validateEmail(e);
		}
	}
}