var formCheck;
var sideFormCheck;

function formCheckLoad (id, tips){
	var current = window.onload;
	window.onload = function (){ current(); formCheck = new FormCheck(id, tips);}
}

function sideFormCheckLoad (id){
	var current = window.onload;
	window.onload = function (){ current(); sideFormCheck = new FormCheck(id, false); }
}


function FormCheck (id, tips){
	if(typeof(tips) != "undefined") this.display_tips = tips;
	this.form = document.getElementById(id);
	this.id = id;
	this.formElements();
}

FormCheck.prototype.id;
FormCheck.prototype.form;
FormCheck.prototype.elements = new Array();
FormCheck.prototype.submit = true;
FormCheck.prototype.initiated = 0;
FormCheck.prototype.freeze_email = false;
FormCheck.prototype.freeze_captcha = false;
FormCheck.prototype.display_tips = true;

FormCheck.prototype.formElements = function ()
{
	var FCO = this;
	var inlineAjax = new InlineAjax();
	inlineAjax.requestObject.onreadystatechange = function()
	{
		if(inlineAjax.requestObject.readyState == 4)
		{
			eval(inlineAjax.requestObject.responseText);
			FCO.initiateForm();
		}
	}
	query = "name="+this.id;
	url = "/packages/FormCheck/includes/form_elements.php?" + query;
	inlineAjax.requestObject.open("GET",url,true);
	inlineAjax.requestObject.send(null);
}

FormCheck.prototype.submitForm = function(){
	if(this.validateElements()){
		if(this.freeze_captcha == false && this.freeze_email == false){ this.form.submit(); }
	}
}

FormCheck.prototype.submitFormExit = function(){
	if(this.validateElements()){
		if(this.freeze_captcha == false && this.freeze_email == false){
			var exit = document.createElement('input');
			exit.type = "hidden";
			exit.name = "exit";
			exit.value = "exit"
			this.form.appendChild(exit);
			this.form.submit();
		}
	}
}

FormCheck.prototype.initiateForm = function(){
	for(element in this.elements)
	{
		if(document.getElementById(element) != null)
		{
			this.createInteraction(element);
			if(this.elements[element]['hint'] != "")
			{
				this.hintInteraction(element);
			}
			if(this.elements[element]['define'] != "")
			{
				this.lookups(element);
			}
		}
		else
		{
			delete this.elements[element];
		}
	}
}

FormCheck.prototype.createInteraction = function(id){
	if(this.display_tips){
		var input = document.getElementById(id);
		var parent = input.parentNode;
		var msgbox = document.createElement('span');
		msgbox.id = 'msg_'+input.id;
		parent.appendChild(msgbox);
		var msgimg = document.createElement('img');
		msgimg.src = "../images/misc/blank.gif";
		msgimg.className = "formcheck";
		msgimg.id = 'img_'+input.id;
		msgimg.style.paddingLeft = "3px";
		parent.appendChild(msgimg);
	}
	this.assignEvents(id);
}

//validation events
FormCheck.prototype.assignEvents = function(id){
	var FCO = this;
	var input = document.getElementById(id);
	var current_onfocus = input.onfocus;

	input.onmouseover = function(){
		if(typeof(current_onfocus) == "function"){ current_onfocus(); }
		if(FCO.display_tips){ document.getElementById('msg_'+this.id).style.display = "inline"; }
		FCO.validateElement(this.id);
	}
	input.onmouseout = function(){
		if(FCO.display_tips){ document.getElementById('msg_'+this.id).style.display = "none"; }
		FCO.validateElement(this.id);
	}
	if(this.elements[id]['required'] == "password"){ input.onkeyup = function (){ FCO.isPassword(input.value, this.id); }}
	else if(this.elements[id]['define'] == ""){ input.onkeyup = function (){ if(FCO.validateElement(this.id)){ FCO.hintInteraction(this.id); }}}
	if(this.elements[element]['required'] == "check"){
		input.onclick = function (){
			if(FCO.validateElement(this.id)){ FCO.hintInteraction(this.id); }
			else { FCO.errorInteraction(this.id); }
		}
	}
}

FormCheck.prototype.duplicateInteraction = function(id){
	if(this.display_tips){
		document.getElementById('msg_'+id).innerHTML = "<strong>Error:</strong> This Email Address is already taken. Please use another or click the Sign In link at the top of the page.";
		document.getElementById('msg_'+id).className = "error";
		document.getElementById('img_'+id).src = "../images/icons/icon_error.gif";
	}
}

FormCheck.prototype.captchaInteraction = function(id){
	if(this.display_tips){
		document.getElementById('msg_'+id).innerHTML = "";
		document.getElementById('msg_'+id).className = "error";
		//document.getElementById('img_'+id).src = "../images/icons/icon_error.gif";
	}
}

FormCheck.prototype.errorInteraction = function(id){
	if(this.display_tips){
		document.getElementById('msg_'+id).innerHTML = "<strong>Error:</strong> " + this.elements[id]['error'];
		document.getElementById('msg_'+id).className = "error";
		document.getElementById('img_'+id).src = "../images/icons/icon_error.gif";
	}
}

FormCheck.prototype.customInteraction = function(id, msg){
	if(this.display_tips && msg != ""){
		document.getElementById('msg_'+id).innerHTML = "<strong>Error:</strong> " + msg;
		document.getElementById('msg_'+id).className = "error";
		document.getElementById('img_'+id).src = "../images/icons/icon_error.gif";
	}else if(this.display_tips){
		this.blankInteraction(id);
	}
}


FormCheck.prototype.hintInteraction = function(id){
	if(this.display_tips){
		if(this.elements[id]['hint'] == ""){ this.blankInteraction(id); }
		else{
			if(id != 'captcha'){
				document.getElementById('msg_'+id).innerHTML = "<strong>Hint:</strong> " + this.elements[id]['hint'];
				document.getElementById('msg_'+id).className = "info";
				document.getElementById('img_'+id).src = "../images/misc/blank.gif";
			}
		}
	}
}

FormCheck.prototype.blankInteraction = function(id){
	if(this.display_tips && document.getElementById('msg_'+id) != null){
		document.getElementById('msg_'+id).innerHTML = "";
		document.getElementById('msg_'+id).className = "";
		document.getElementById('img_'+id).src = "../images/misc/blank.gif";
	}
}

FormCheck.prototype.lookups = function (id){

	var FCO = this;

	$("#"+id).change(function(){
		FCO.lookupSelect(id);
	});

}

FormCheck.prototype.lookupSelect = function (element){

	var define = this.elements[element]['define'];
	this.lookup_select(element, $("#"+element).val(), this.elements[define]['source'], define, this.elements[define]['display']);

	/*var FCO = this;
	var FEO = document.getElementById(element);


	var DEO = document.getElementById(define);
	$("#"+define).empty();

	var inlineAjax = new InlineAjax();
	inlineAjax.requestObject.onreadystatechange = function(){
		if(inlineAjax.requestObject.readyState == 4){

			var inner = inlineAjax.requestObject.responseText;
			inner = "<option>Please Select</option>" + inner;
			$("#"+define).html(inner);
			//if(document.all){  DEO.outerHTML = DEO.outerHTML; }
			if(FCO.elements[define] != null && FCO.elements[define]['define'] != ""){
				$("#"+FCO.elements[define]['define']).empty();
				$("#"+FCO.elements[define]['define']).html("<option>Please Select</option>");
			}

		}
	}

	var current = "";
	if(DEO != null) current = DEO.value;

	if(this.elements[define] != null){
		query = "tbl="+this.elements[define]['source']+"&col="+element+"&val="+FEO.value+"&dis="+this.elements[define]['display']+"&cur="+current+"&unique="+Math.ceil(Math.random()*10000);
		url = "packages/FormCheck/includes/lookup_select.php?" + query;
		inlineAjax.requestObject.open("GET",url,true);
		inlineAjax.requestObject.send(null);
	}*/

}

FormCheck.prototype.checkUnique = function(id){
	var FCO = this;
	var FEO = document.getElementById(id);
	var inlineAjax = new InlineAjax();
	inlineAjax.requestObject.onreadystatechange = function(){
		if(inlineAjax.requestObject.readyState == 4){
			//alert(inlineAjax.requestObject.responseText);
			if(inlineAjax.requestObject.responseText == "duplicate"){
				FCO.duplicateInteraction(id);
				FCO.freeze_email = true;
			}else{ FCO.freeze_email = false; }
		}
	}
	url = "/packages/FormCheck/includes/check_unique.php?email=" + FEO.value;
	inlineAjax.requestObject.open("GET",url,true);
	inlineAjax.requestObject.send(null);
}

FormCheck.prototype.checkCaptcha = function(id){
	var FCO = this;
	var FEO = document.getElementById(id);
	var inlineAjax = new InlineAjax();
	inlineAjax.requestObject.onreadystatechange = function(){
		if(inlineAjax.requestObject.readyState == 4){
			//alert(inlineAjax.requestObject.responseText);
			if(inlineAjax.requestObject.responseText == "incorrect"){
				FCO.captchaInteraction(id);
				FCO.freeze_captcha = true;
			}else{ FCO.freeze_captcha = false; }
		}
	}
	url = "/packages/FormCheck/includes/check_captcha.php?captcha=" + FEO.value;
	inlineAjax.requestObject.open("GET",url,true);
	inlineAjax.requestObject.send(null);
}

FormCheck.prototype.validateElements = function(id){
	var valid = true;
	for(element in this.elements){
		var name = this.elements[element]['name'];
		if(name == id){ break; }
		else {
			if(this.elements[element]['required'] != ""){
				if(!this.validateElement(name)){
					if(id == "salary_maximum"){ valid = false; }
					else{ this.errorInteraction(name); valid = false; }
				}
				else { this.hintInteraction(name); }
			}
		}
	}
	return valid;
}

FormCheck.prototype.validateElement = function(id){

    var input = document.getElementById(id);
	var response_handler_url = document.getElementById("response_handler_url");
	var response_handler_email = document.getElementById("response_handler_email");

    if(input.getAttribute('unique') == "unique"){ if(this.isBlank(input.value) || !this.isEmail(input.value)){ return false;} else{ this.checkUnique(id); }}
	if(input.getAttribute('captcha') == "check"){ if(this.isBlank(input.value)){ return false;} else{ this.checkCaptcha(id); } }
	if(this.elements[id]['required'] == "text")
	{
		//if this is the alternative email field
		if(id == 'alternative_name')
		{
			//then check if response_handler_email is checked and validate
			//else dont validate
			if(response_handler_email.checked)
			{
				if(this.isBlank(input.value))
				{
					return false;
				}
				else
				{
					return true;
				}
			}
			else{return true;}
		}
		else if(id == 'job_cc_name')
		{
			var use_cc = document.getElementById("use_cc");
			//then check if use_cc is checked and validate
			//else dont validate
			if(use_cc.checked)
			{
				if(this.isBlank(input.value))
				{
					return false;
				}
				else
				{
					return true;
				}
			}
			else{return true;}
		}
        else if (id == 'region_id')
        {
            if ($("#country_id").val() == 244)
            {
				if(this.isBlank(input.value))
				{
					return false;
				}
				else
				{
					return true;
				}
            } else {
                return true;
            }
        }
        else if (id == 'location_id')
        {
            if ($("#country_id").val() == 244)
            {
				if(this.isBlank(input.value))
				{
					return false;
				}
				else
				{
					return true;
				}
            } else {
                return true;
            }
        }
		else
		{
			if(this.isBlank(input.value))
			{
				return false;
			}
			else
			{
				return true;
			}
		}
	}
	else if(this.elements[id]['required'] == "suggest"){ if(this.isBlank(input.value)){ return false;} else if(this.isBlank(document.getElementById(this.elements[id]['suggest']).value)){ return false;} else{ return true; }}
	else if(this.elements[id]['required'] == "numeric"){ if(!this.isNumeric(input.value)){ return false;} else{ return true; }}
	else if(this.elements[id]['required'] == "email")
	{
			//if this is the alternative email field
		if(id == 'alternative_email')
		{
			//then check if response_handler_email is checked and validate
			//else dont validate
			if(response_handler_email.checked)
			{
				if(!this.isEmail(input.value))
				{
					return false;
				}
				else
				{
					return true;
				}
			}
			else{return true;}
		}
		else if(id == 'job_cc_email')
		{
			var use_cc = document.getElementById("use_cc");
			//then check if use_cc is checked and validate
			//else dont validate
			if(use_cc.checked)
			{
				if(!this.isEmail(input.value))
				{
					return false;
				}
				else
				{
					return true;
				}
			}
			else{return true;}
		}
		else
		{
			if(!this.isEmail(input.value))
			{
				return false;
			}
			else
			{
				return true;
			}
		}
	}
	else if(this.elements[id]['required'] == "confirm"){ if(!this.isEqual(id)){ return false;} else{ return true; }}
	else if(this.elements[id]['required'] == "password"){ if(this.isBlank(input.value)){ return false;} else{ return true; }}
	else if(this.elements[id]['required'] == "check"){ if(!input.checked){ return false;} else{ return true; }}
	else if(this.elements[id]['required'] == "mce"){ if(this.isBlank(tinyMCE.get(id).getContent())){ return false;} else{ return true; }}
	else if(this.elements[id]['required'] == "url")
	{
		if(response_handler_url.checked == true)
		{
			if(this.isURL(input.value))
			{
				return true;
			}
			else
			{
				//this.blankInteraction(id);
				//this.customInteraction(id, "Please Enter a valid URL");
				return false;
			}
		}
		else
			return true;
	}
	else if(this.elements[id]['required'] == "salary")
	{
		var validation = this.salaryValidation();
		if(validation == "")
		{
			return true;
		}
		else
		{
			if(id == "salary_frequency"){ this.blankInteraction("salary_maximum"); }
			else if(id == "salary_maximum"){ this.blankInteraction("salary_frequency"); }
			this.customInteraction(id, validation);
			return false;
		}
	}
	else
	{
		return true;
	}
}

FormCheck.prototype.repetitiveValidation = function(id){
	var valid = true;
	var name = this.elements[id]['name'];
	if(this.elements[id]['required'] != ""){
		if(!this.validateElement(name)){ this.errorInteraction(name); valid = false; }
		else { this.hintInteraction(name); }
	}
	return valid;
}

FormCheck.prototype.arrayValidation = function(elements){
	var valid = true;
	for(loop=0;loop<elements.length;loop++){
		var id = elements[loop];
		if(typeof(this.elements[id]) != "undefined"){
			if(!this.validateElement(id)){ this.errorInteraction(id); valid = false; }
			else { this.hintInteraction(id); }
		}
	}
	return valid;
}

FormCheck.prototype.isNumeric = function(string) {
	 var strValidChars = "0123456789.-+";
   var blnResult = true;
	 var strChar = "";

   if (string.length < 3) return false;

   for (i = 0; i < string.length && blnResult == true; i++){
      strChar = string.charAt(i);
      if (strValidChars.indexOf(strChar) == -1){ blnResult = false; }
   }

   return blnResult;
}

FormCheck.prototype.isBlank = function(string) {
	if (string.length == 0 || string == '0')
		return true
	for (var i = 0; i <= string.length-1; i++)
		if (string.charAt(i) != " ")
			return false
		return true
}

FormCheck.prototype.isEmail = function(string) {
	apos=string.indexOf("@");
	dotpos=string.lastIndexOf(".");
	if (apos<1||dotpos-apos<2||dotpos==string.length-1)
		return false
	return true
}

FormCheck.prototype.isURL = function(string) {
	return /^(https?|ftp):\/\/(((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:)*@)?(((\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5]))|((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?)(:\d*)?)(\/((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*)?)?(\?((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|[\uE000-\uF8FF]|\/|\?)*)?(\#((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|\/|\?)*)?$/i.test(string);
}



FormCheck.prototype.isEqual = function(id) {
	var string = document.getElementById(id).value;
	var test = document.getElementById(this.elements[id]['confirm']).value;
	if(string != test || this.isBlank(test))
		return false
	return true
}

FormCheck.prototype.isPassword = function(string, id) {
	var desc = new Array("Very Weak", "Weak", "Average", "Medium", "Strong", "Strongest");
	var score = 0;
	if (string.length > 6) score++;
	if ( ( string.match(/[a-z]/) ) && ( string.match(/[A-Z]/) ) ) score++;
	if (string.match(/\d+/)) score++;
	if ( string.match(/.[!,@,#,$,%,^,&,*,?,_,~,-,(,)]/) ) score++;
	if (string.length > 12) score++;
	document.getElementById('msg_'+id).innerHTML = "Password Strength:<br /><em id='passwordDescription'>"+desc[score]+"</em><em id='passwordStrength' class='strength"+score+"'></em>";
	document.getElementById('msg_'+id).className = "info";
	document.getElementById('img_'+id).src = "../images/icons/icon_info.gif";
}

FormCheck.prototype.salaryValidation = function() {
    var valid = '';
    var min = parseInt($("#salary_minimum").val());
    //if (min === 0) { min = 1; }
    var max = parseInt($("#salary_maximum").val());
    var fre = $("#salary_frequency").val();

//  if ($("#salary_maximum").val() == '') { valid = 'Salary Range minimum and maximum are required and must be numeric only.'; }
//	if(!this.isNumeric(min) || !this.isNumeric(max)){ valid = 'Salary Range minimum and maximum are required and must be numeric only.'; }
	if(min > max){ valid = 'Salary Range minimum cannot be more than the maximum.'; }
    else if(fre == "MONTHLY" && ( ((min / max) * 100) < 50 ) ) { valid = 'Specified Salary Range is too broad, Monthly salary must be within a 50% range.'; }
	//--else if(fre == "MONTHLY" && (max - min) > 100000){ valid = 'Specified Salary Range is too broad, Monthly salary must be within a R100000 range.'; }
	else if(fre == "MONTHLY" && max < 1500 && max != 0){ valid = 'Specified Maximum Salary is too small. Are you sure this is a Monthly Range?'; }
    else if(fre == "ANNUALLY" && ( ((min / max) * 100) < 50 ) ) { valid = 'Specified Salary Range is too broad, Annual salary must be within a 50% range.'; }
	//--else if(fre == "ANNUALLY" && (max - min) > 1000000){ valid = 'Specified Salary Range is too broad, Annual salary must be within a R500000 range.'; }
	else if(fre == "ANNUALLY" && max < 18000 && max != 0){ valid = 'Specified Maximum Salary is too small. Are you sure this is a Annual Range?'; }
	else if(fre == "WEEKLY" && ( ((min / max) * 100) < 50 ) ){ valid = 'Specified Salary Range is too broad, Weekly salary must be within a 50% range.'; }
	//--else if(fre == "WEEKLY" && (max - min) > 20000){ valid = 'Specified Salary Range is too broad, Weekly salary must be within a R20000 range.'; }
	//else if(fre == "WEEKLY" && max < 300 && max != 0){ valid = 'Specified Maximum Salary is too small. Are you sure this is a Weekly Range?'; }
	else if(fre == "HOURLY" && ( ((min / max) * 100) < 50 ) ){ valid = 'Specified Salary Range is too broad, Hourly salary must be within a 50% range.'; }
	//--else if(fre == "HOURLY" && (max - min) > 10000){ valid = 'Specified Salary Range is too broad, Hourly salary must be within a R10000 range.'; }
	else if(fre == "HOURLY" && max < 25 && max != 0){ valid = 'Specified Maximum Salary is too small. Are you sure this is an Hourly Range?'; }

    return valid;
}

appendSuggested = function (element, value, id, pk){
	document.getElementById(element).value = value;
	document.getElementById(id).value = pk;
	document.getElementById('suggest_' + element).style.display = "none";
}

// ELEMENTS

function escapeHTML(someText) {
  var div = document.createElement('div');
  var text = document.createTextNode(someText);
  div.appendChild(text);
  return div.innerHTML;
}

FormCheck.prototype.lookup_select = function(key, value, source, define, display){
	var form = this;
	var loader;

    if (key == 'country_id' && value != '244') {
        var new_option = '<option value="0">Not Applicable</option>';

        $('#region_id').append(new_option);
        $('#region_id').val('0');
        $("#region_id").attr("disabled", true);
        $("#region_id").attr("readonly", true);

        $('#location_id').append(new_option);
        $('#location_id').val('0');
        $("#location_id").attr("disabled", true);
        $("#location_id").attr("readonly", true);

    } else {
        if (key == 'country_id' && value == '244') {

            $("#region_id option[value='0']").remove();
            $("#region_id").attr("disabled", false);
            $("#region_id").attr("readonly", false);

            $("#location_id option[value='0']").remove();
            $("#location_id").val('');
            $("#location_id").attr("disabled", false);
            $("#location_id").attr("readonly", false);

        }

        if($(define+"_loader").length > 0){
            loader = $(define+"_loader");
        }else{
            loader = $("<img></img>").attr({ id: define+"_loader", src:"/images/ajax/small_loader.gif" }).css({ paddingLeft: 5 });
            $("#"+define).after(loader);
        }

        $.get('/packages/FormCheck/includes/lookups.php', { key: key, value: value, source: source, define: define, display: display },
        function(data){
            $("#"+define).empty();
            $(data).find("option").each(function(element){
                var option = $("<option></option>").attr("value", $(this).find("value").text()).html($(this).find("text").text());
                $('#'+define).append(option);
            });
            $(loader).hide();
        });
    }
}