//Global System Framework
var GL5CE5NRE = {};

/*------------------------------------------------------------------------------------------------------------
' This class get a form and check all the mandatory fields in the form
' For useing this class you need to define an id attribute for every input in the next way: id='freeText_fieldType_mandatory'
' 
' fieldTypa = email,checkbox,text
' mandatory = 1,0
' 
' For setting the border color of an invalid field you set the Class property color property.
' For setting the translate variables of an invalid field you set the Class properties check.tran.globalAlert and  check.tran.emailAlert
' 
' Variables	:	form_id		-	The form id attribute.
'
' Return	:	Void.
'------------------------------------------------------------------------------------------------------------*/
GL5CE5NRE.FormCheck = function(form_id){
	var i;
	var formInputs = new Array();
	var formObj = document.getElementById(form_id);
	var inputList = formObj.getElementsByTagName('input');
	var textareaList = formObj.getElementsByTagName('textarea');
	var selectList = formObj.getElementsByTagName('select');
	this.color = 'red';
	this.check = new GL5CE5NRE.Check();
	
	//Get all the form inputs
	for(i = 0 ; i < inputList.length ; i++){
		formInputs[i] = inputList.item(i);
	}
	for(var k = 0 ; k < textareaList.length ; i++,k++){
		formInputs[i] = textareaList.item(k);
	}
	for(var k = 0 ; k < selectList.length ; i++,k++){
		formInputs[i] = selectList.item(k);
	}

	this.startCheck = function(){
		var invalidFieldsList = new Array();
		for(var i=0;i<formInputs.length;i++){
			var field = new GL5CE5NRE.FieldObj(formInputs[i]);
			if(field.mandatory){
				if(!this.check.isValidData(field)){
					invalidFieldsList.push(field);
				}
			}
		}
		if(invalidFieldsList.length > 0){
			alert(invalidFieldsList[0].alert);
			invalidFieldsList[0].focus();
			for(i=0;i<invalidFieldsList.length;i++){
				var f = invalidFieldsList[i];
				f.style.borderColor = this.color;
			}
			return false;
		}
		return true;
	};
};

/*------------------------------------------------------------------------------------------------------------
' This class responsible for all the translate variables in all the framework.
' 
' Variables	:	Void.
'
' Return	:	Void.
'------------------------------------------------------------------------------------------------------------*/
GL5CE5NRE.Translation= function(){
	this.globalAlert = 'Please fill all the required fields.';
	this.emailAlert = 'You must enter a valid email address.';
	this.intAlert = 'Please insert whole numbers only.';
	this.floatAlert = 'Please insert numbers only.';
	this.urlAlert = 'The URL must start with: http://.';
};

/*------------------------------------------------------------------------------------------------------------
' This class usually will work with the checkForm class.
' We use this class for checking every field validation.
' 
' Variables	:	Field object (need to get an instance of FieldObj class).
'
' Return	:	If there is an invalid field its add an alert attribute to the object that you sent.
'------------------------------------------------------------------------------------------------------------*/
GL5CE5NRE.Check = function(){
	this.tran = new GL5CE5NRE.Translation();
	this.isValidData = function(field){
		if(!field.value || field.value == ''){
			field.alert = this.tran.globalAlert;
			return false;
		}
		switch(field.typeOfData){
			case "email":
				field.alert = this.tran.emailAlert;
				return GL5CE5NRE.IsValidEmail(field.value);
				break;
			case "checkbox":
				if(!field.checked){
					field.alert = this.tran.globalAlert;
					return false
				}
				break;
			case "int":
				var reg = new RegExp("[^0-9]", "g");
				if (reg.test(field.value)){
					field.alert = this.tran.intAlert;
					field.value	= field.value.replace(/[^0-9]/g,"")
					return false;
				}
				break;
			case "float":
				var reg = new RegExp("[^0-9.]", "g")
				if (reg.test(field.value)){
					field.alert = this.tran.floatAlert;
					field.value	= field.value.replace(/[^0-9.]/g,"")
					return false;
				}
				break;
			case "url":
				if (field.value.substring(0,7).toLowerCase() != "http://"){
					field.alert = this.tran.urlAlert;
					return false;
				}
				break;
		}
		return true;
	};
};

/*------------------------------------------------------------------------------------------------------------
' This class usually will work with the checkForm class.
' Its get and add to an input object all the properties that we need.
' 
' Variables	:	Input HTML object.
'
' Return	:	Input HTML object with extra properties.
'------------------------------------------------------------------------------------------------------------*/
GL5CE5NRE.FieldObj = function(obj){
	var t;
	obj.mandatory = false;
	obj.typeOfData = '';
	obj.alert = '';
	if(obj && obj.id && obj.style && obj.style.display != 'none'){
		t =  obj.id.split("_");
		obj.typeOfData = t[t.length-2];
		obj.mandatory = t[t.length-1];
		if(obj.mandatory == "1"){
			obj.mandatory = true;
		}else{
			obj.mandatory = false;
		}
	}
	return obj;
};

/*------------------------------------------------------------------------------------------------------------
' Email Validation function.
' 
' Variables	:	myEmail		=	Email address.
'
' Return	:	True		=	Email is valid.
'------------------------------------------------------------------------------------------------------------*/
GL5CE5NRE.IsValidEmail = function(myEmail){
	var patern = /^[\.\+_a-z0-9-]+@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,6})$/ig;
	var re = new RegExp(patern);
	if (myEmail){
		return re.test(myEmail);
	}
	return false;
};

GL5CE5NRE.Sniffer = function(){
	function searchString(data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	}
	function searchVersion(dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	}
	this.dataBrowser = [
		{
			string: navigator.userAgent,
			subString: "Chrome",
			identity: "Chrome"
		},
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari",
			versionSearch: "Version"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	];
	this.dataOS = [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			   string: navigator.userAgent,
			   subString: "iPhone",
			   identity: "iPhone/iPod"
	    },
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	];
	this.browser = searchString(this.dataBrowser) || "unknown browser";
	this.version = searchVersion(navigator.userAgent) || searchVersion(navigator.appVersion) || "unknown version";
	this.language = navigator.language || navigator.browserLanguage;
	this.os = searchString(this.dataOS) || "unknown OS";
};
GL5CE5NRE.UserSettings= function(){
	var sniffer = new GL5CE5NRE.Sniffer();
	this.colorDepth = window.screen.colorDepth;
	this.browser = sniffer.browser;
	this.browserVersion = sniffer.version;
	this.os = sniffer.os;
	this.language = sniffer.language;
	this.cookieEnabled = navigator.cookieEnabled || false;
	this.windowWidth = screen.width || 0;
	this.windowHeight = screen.height || 0;
};