//Regions AJAX stuff
function Enviar(params){
	
	$('region_div').innerHTML = 'Loading...';
	$('provinces_div').innerHTML = '';
	var url = "/ajax/regions.php";
	var request = new Ajax.Request(
				url,
				{
				method: 'post',
				parameters: params,
				onComplete: Receptor,
				onSuccess: Success,
				onFailure: Failure,
				onException: function(request, exception) {
    							alert("Js Exception: " + exception.message);
    						 }
				}
			);	
}
		
function Receptor(result){
			
	if(result.status == 200){
		
		if(result.responseText == 'forbidden' || result.responseText == 'error'){
			$('region_div').innerHTML = 'Error inesperado, por favor recargue la pagina.';
		}else{
			$('region_div').innerHTML = result.responseText;
			ValidRegion = new Spry.Widget.ValidationSelect("region_div",{isRequired:true, validateOn:['blur','change']});
		}	
			
	}
}

function getProvinces(params){
	
	if($('country').value == "67"){ //Code for spain
		$('provinces_div').innerHTML = 'Loading...';			
		var url = "/ajax/provinces.php";
		var request = new Ajax.Request(
					url,
					{
					method: 'post',
					parameters: params,
					onComplete: ProvincesReceptor,
					onSuccess: Success,
					onFailure: Failure,
					onException: function(request, exception) {
	    							alert("Js Exception: " + exception.message);
	    						 }
					}
				);	
	}
}
		
function ProvincesReceptor(result){
			
	if(result.status == 200){
		
		if(result.responseText == 'forbidden' || result.responseText == 'error'){
			$('provinces_div').innerHTML = 'Error inesperado, por favor recargue la pagina.';
		}else{
			$('provinces_div').innerHTML = result.responseText;
			ValidProvince = new Spry.Widget.ValidationSelect("provinces_div",{isRequired:true});
		}	
			
	}
}
		
function Success(result){
	//alert('success');
}
		
function Failure(result, detail){
	alert('failure');
}
//End of regions

//CHECK USERNAMES
function CheckUser(username){
	
	if(validUser1.validate()){
		$('checkUserPreloader').style.display = '';
		$('userAvailableSpan').style.display = 'none';
		$('userUnavailableSpan').style.display = 'none';
		var url = "/ajax/checkuser.php";
		var request = new Ajax.Request(
					url,
					{
					method: 'post',
					parameters: 'user='+username,
					onComplete: CheckUserReceptor,
					onSuccess: Success,
					onFailure: Failure,
					onException: function(request, exception) {
	    							alert("Js Exception: " + exception.message);
	    						 }
					}
				);	
	}
}

function CheckUserReceptor(result){
	$('checkUserPreloader').style.display = 'none';
	if(result.status == 200){
		if(result.responseText == 'free'){
			$('userAvailableSpan').style.display = '';
		}else{
			$('userUnavailableSpan').style.display = '';
		}		
	}
}

//Function to execute when a placement radio is checked
function accomodationChange(num){
	if(num == 2){
		$('accomodation2_detail_div').style.display = '';	
	}else{
		$('accomodation2_detail_div').style.display = 'none';	
	}
}

//Function to execute when the student type is selected
function studentTypeChange(num){
	if(num == 6){
		$('careerSelect').style.display = '';
		$('otherCareerDesc').style.display = 'none';
	}else{
		$('careerSelect').style.display = 'none';
		$('otherCareerDesc').style.display = '';
	}
}

//Function to execute when the university is selected
function universityChange(num){
	if(num == 1){
		$('otherUniversitySpan').style.display = '';
	}else{
		$('otherUniversitySpan').style.display = 'none';	
	}
}

//Spry validation stuff
var passwordStrength = function(value, options){

	if (value.length < 6 || value.length > 20)
		return false;

	var RegExPattern = /^[a-zA-Z\d-_#]{6,20}$/i;

	if (!value.match(RegExPattern))
		return false;

	return true;
}

var validUser = function(value, options){

	if (value.length < 3 || value.length > 20)
		return false;

	var RegExPattern = /^[a-zA-Z\d-_]{3,20}$/i;

	if (!value.match(RegExPattern))
		return false;

	return true;
}

var validRePass = function(value, options){

	if(value == document.getElementById('password').value){
		return true;
	}else{
		return false;	
	}
}

//Function to execute before the submit()
function preSubmit(){
	
	var bAllOk = true;
	
	if(!passwordFunction.validate()){
		bAllOk = false;	
	}
	
	if(!validUser1.validate()){
		bAllOk = false;	
	}
	
	if(!Email.validate()){
		bAllOk = false;	
	}
	
	if(!validRePass1.validate()){
		bAllOk = false;	
	}
	
	if(!validNames.validate()){
		bAllOk = false;	
	}
	
	if(!validSurname.validate()){
		bAllOk = false;	
	}
	
	if(!ValidErasmus.validate()){
		bAllOk = false;	
	}
	
	if(!ValidSex.validate()){
		bAllOk = false;	
	}
	
	if(!ValidAccomodation.validate()){
		bAllOk = false;	
	}
	
	if(!ValidPlacement.validate()){
		bAllOk = false;	
	}
	
	if(!ValidFriendship.validate()){
		bAllOk = false;	
	}
	
	if(!ValidCountry.validate()){
		bAllOk = false;	
	}
	
	if(!ValidRegion.validate()){
		bAllOk = false;	
	}
	
	if($('country').value == "67"){ //67 is the code for spain
		if(!ValidProvince.validate()){
			bAllOk = false;	
		}
	}
	
	if(!validCity.validate()){
		bAllOk = false;	
	}
	
	if(!ValidBirthplace.validate()){
		bAllOk = false;	
	}
	
	if($('university').value == "1"){
		if(!validUniversityText.validate()){
			bAllOk = false;	
		}
	}
	
	if($('student_type').value == "6"){
		if(!ValidCareer.validate()){
			bAllOk = false;	
		}	
	}else{
		if(!validCareerText.validate()){
			bAllOk = false;	
		}
	}
	
	if(!ValidUniversity.validate()){
		bAllOk = false;	
	}
	
	if(!ValidStudent.validate()){
		bAllOk = false;	
	}
	
	if(!ValidTyc.validate()){
		bAllOk = false;	
	}
	
	//Validate Image type
	if(document.form1.image.value){
		var file = document.form1.image.value.split(".");
		var numkeys = file.length;
		var type = file[numkeys-1];
		
		if(type.toUpperCase() == "JPG" || type.toUpperCase() == "JPEG" || type.toUpperCase() == "GIF" || type.toUpperCase() == "PNG"){
			//all ok!
			$('imageStatus').style.display = 'none';	
		}else{
			bAllOk = false;	
			$('imageStatus').style.display = '';	
		}
	}else{
		$('imageStatus').style.display = 'none';	
	}
	
	if(!checkdate($('month').value,$('day').value,$('year').value)){	
		bAllOk = false;
		$('dateStatus').style.display = '';
	}else{
		$('dateStatus').style.display = 'none';
	}
	
	if(bAllOk == true){
		$('formStatus').style.display = 'none';
		$('form1').submit();	
	}else{
		$('formStatus').style.display = '';
	}
	
}

//TextField validation
var passwordFunction = new Spry.Widget.ValidationTextField("passwordLabel", "custom", {validation: passwordStrength, validateOn:["blur"]});
var validUser1 = new Spry.Widget.ValidationTextField("nameLabel", "custom", {validation: validUser, validateOn:["blur"]});
var Email = new Spry.Widget.ValidationTextField("emailLabel", "email", {validateOn:["change"]});
var validRePass1 = new Spry.Widget.ValidationTextField("retypePasswordLabel", "custom", {validation: validRePass, validateOn:["blur"]});
var validNames = new Spry.Widget.ValidationTextField("namesLabel","none", {isRequired:true,maxChars:128, validateOn:["blur"]});
var validSurname = new Spry.Widget.ValidationTextField("surnameLabel","none", {isRequired:true,maxChars:128, validateOn:["blur"]});
var validCity = new Spry.Widget.ValidationTextField("cityLabel","none", {isRequired:true,maxChars:128, validateOn:["blur"]});
var validUniversityText = new Spry.Widget.ValidationTextField("otherUniversitySpan","none", {isRequired:true,maxChars:128, validateOn:["blur"]});
var validCareerText = new Spry.Widget.ValidationTextField("otherCareerDesc","none", {isRequired:true,maxChars:128, validateOn:["blur"]});

//Radio validation 
var ValidErasmus = new Spry.Widget.ValidationRadio("erasmusDiv", {isRequired:true, validateOn:["change", "blur"]});
var ValidSex = new Spry.Widget.ValidationRadio("sexDiv", {isRequired:true, validateOn:["change", "blur"]});
var ValidAccomodation = new Spry.Widget.ValidationRadio("placement_radios", {isRequired:true, validateOn:["change", "blur"]});
//var ValidAccomodation = new Spry.Widget.ValidationRadio("accomodationDiv", {isRequired:true, validateOn:["change", "blur"]});
//var ValidPlacement = new Spry.Widget.ValidationRadio("placement_option_radios", {isRequired:true, validateOn:["change", "blur"]});
//var ValidFriendship = new Spry.Widget.ValidationRadio("friendship_option_radios", {isRequired:true, validateOn:["change", "blur"]});

//Selects validation
var ValidCountry = new Spry.Widget.ValidationSelect("countryDiv",{isRequired:true, validateOn:['blur','change']});
var ValidRegion = new Spry.Widget.ValidationSelect("region_div",{isRequired:true, validateOn:['blur','change']});
var ValidProvince = new Spry.Widget.ValidationSelect("provinces_div",{isRequired:true});
var ValidBirthplace = new Spry.Widget.ValidationSelect("birthPlaceDiv",{isRequired:true, validateOn:['blur','change']});
var ValidUniversity = new Spry.Widget.ValidationSelect("universityLabel",{isRequired:true, validateOn:['blur','change']});
var ValidStudent = new Spry.Widget.ValidationSelect("studentTypeLabel",{isRequired:true, validateOn:['blur','change']});
var ValidCareer = new Spry.Widget.ValidationSelect("careerSelect",{isRequired:true, validateOn:['blur','change']});

//TextArea validation
var ValidAboutMe = new Spry.Widget.ValidationTextarea("aboutMeDiv", {maxChars:1000, counterType:"chars_remaining", counterId:"about_me_counter", validateOn:["change"]});

//Checkboxes validation
var ValidFriendship = new Spry.Widget.ValidationCheckbox("friendship_option_checks", {minSelections:1, maxSelections:2, validateOn:["change", "blur"]});
var ValidPlacement = new Spry.Widget.ValidationCheckbox("placement_option_checks", {minSelections:1, validateOn:["change", "blur"]});
var ValidTyc = new Spry.Widget.ValidationCheckbox("tycSpan", {minSelections:1, validateOn:["change", "blur"]});