/*
* This file is dependend upon /click/control.js functions.
*/

/* Validate Functions */

function validateCreditCardField(id, typeId, required, minLength, maxLength, msgs){

 var msg = validateTextField(id, required, minLength, maxLength, msgs);

 if(msg){
 return msg;

 } else {
 var field = document.getElementById(id);
 var value = field.value;
 var type = document.getElementById(typeId).value;

 if(value.length > 0){
 // strip
 var buffer = '';
 for(var i=0;i<value.length;i++){
 var c = value.charAt(i);
 if(c != '=' && c != ' '){
 buffer = buffer + c;
 }
 }
 value = buffer;

 var length = value.length;
 if(length < 13){
 setFieldErrorColor(field);
 return msgs[3];
 }

 var firstdig = value.charAt(0);
 var seconddig = value.charAt(1);
 var isValid = false;

 if(type=='VISA'){
 isValid = ((length == 16) || (length == 13)) && (firstdig == '4');
 }
 if(type=='MASTER'){
 isValid = (length == 16) && (firstdig == '5') && ("12345".indexOf(seconddig) >= 0);
 }
 if(type=='AMEX'){
 isValid = (length == 15) && (firstdig == '3') && ("47".indexOf(seconddig) >= 0);
 }
 if(type=='DINERS'){
 isValid = (length == 14) && (firstdig == '3') && ("068".indexOf(seconddig) >= 0);
 }
 if(type=='DISCOVER'){
 isValid = (length == 16) && value.startsWith("6011");
 }

 if (!isValid) {
 setFieldErrorColor(field);
 return msgs[3];
 }
 }

 // no error
 setFieldValidColor(field);
 return null;
 }
}

function validateEmailField (id, required, minLength, maxLength, msgs){
 var msg = validateTextField(id, required, minLength, maxLength, msgs);
 if (msg) {
 return msg;
 } else {
 var field = document.getElementById(id);
 var value = field.value;
 var length = value.length;

 if(length > 0){
 var index = value.indexOf("@");

 if (index < 1 || index == length - 1) {
 setFieldErrorColor(field);
 return msgs[3];
 }

 if (!isLetterOrDigit(value.charAt(0))) {
 setFieldErrorColor(field);
 return msgs[3];
 }

 if (!isLetterOrDigit(value.charAt(length - 1))) {
 setFieldErrorColor(field);
 return msgs[3];
 }
 
 var regex = /^([a-zA-Z0-9_\.\-\+])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
   	if (!regex.test(value)){ 
   		setFieldErrorColor(field);
		return msgs[3];
	}
 }
 }
 setFieldValidColor(field);
 return null;
}

function validateNumberField(id, required, minValue, maxValue, msgs){
 var field = document.getElementById(id);
 if(field){
 var value = field.value;
 if (value.length == 0) {
 if(required){
 setFieldErrorColor(field);
 return msgs[0];
 }
 } else {
 if (value > maxValue){
 setFieldErrorColor(field);
 return msgs[2];
 } else if (value < minValue){
 setFieldErrorColor(field);
 return msgs[1];
 }
 }

 setFieldValidColor(field);
 return null;

 } else {
 return 'Field ' + id + ' not found.';
 }
}

function validatePickList(id, required, msgs){
 var field = document.getElementById(id);
 if(field){
 if (field.options.length == 0) {
 if(required){
 setFieldErrorColor(field);
 return msgs[0];
 }
 }

 setFieldValidColor(field);
 return null;

 } else {
 return 'Field ' + id + ' not found.';
 }
}

function validateRegexField(id, required, minLength, maxLength, regex, msgs){
 var msg = validateTextField(id, required, minLength, maxLength, msgs);
 if (msg) {
 return msg;
 } else {
 var field = document.getElementById(id);
 if (field.value.length == 0 || field.value.match(new RegExp(regex))) {
 setFieldValidColor(field);
 return null;
 } else {
 setFieldErrorColor(field);
 return msgs[3];
 }
 }
 return null;
}

/* Misc Functions */

function initMenu() {
 if (document.all && document.getElementById) {
 var navRoot = document.getElementById("dmenu");
 if (navRoot) {
 for (i = 0; i < navRoot.childNodes.length; i++) {
 var node = navRoot.childNodes[i];
 if (node.nodeName == "LI") {
 node.onmouseover = function() {
 this.className += " over";
 }
 node.onmouseout = function() {
 this.className = this.className.replace(" over", "");
 }
 }
 }
 }
 }
}


function isLetter (c){
 return ( ((c >= "a") && (c <= "z")) || ((c >= "A") && (c <= "Z")) )
}

function isDigit (c){
 return ((c >= "0") && (c <= "9"))
}

function isLetterOrDigit (c){
 return (isLetter(c) || isDigit(c))
}

function pickListMove(from, to, hidden, isSelected){
 var values = new Object();
 for(var i=0;i<from.options.length;i++){
 if(from.options[i].selected){
 values[from.options[i].value] = true;
 }
 }
 pickListMoveItem(from, to, values, hidden, isSelected);
}

function pickListMoveAll(from, to, hidden, isSelected){
 var values = new Object();
 for(i=0; i<from.options.length; i++){
 values[from.options[i].value] = true;
 }
 pickListMoveItem(from, to, values, hidden, isSelected);
}

function pickListMoveItem(from, to, values, hidden, isSelected){
 for(var i=0; i<hidden.options.length; i++){
 if(values[hidden.options[i].value]){
 hidden.options[i].selected = isSelected;
 }
 }
 for(var i=0; i<from.options.length; i++){
 if(values[from.options[i].value]){
 from.options[i] = null;
 i--;
 }
 }
 var toIndex = 0;
 for(var i=0; i<hidden.options.length; i++){
 if(hidden.options[i].selected == isSelected){
 to.options[toIndex] = new Option(hidden.options[i].text, hidden.options[i].value);
 toIndex++;
 }
 }
}