/**
 * @author Daniel & Alberto
 */

//#Validação de Formulário

function verificaSeFormEstaVazio(dados, idDiv)
{ 
	if((dados.value == "") || (dados.value == null))
	{
		dados.focus();
		if(document.getElementById(idDiv))
		{
				document.getElementById(idDiv).innerHTML ="Incorrecto."
				return false;
		}
		else
			return false;
	}
	else
	{
		if(document.getElementById(idDiv))
		{
			document.getElementById(idDiv).innerHTML =" "
		}
		return true;
	}
}

function comparaPasswords (password1,password2, idDiv1,idDiv2)
{
	if((password1.value == "") || (password1.value == null) || (password2.value == "") || (password2.value == null) || (password1.value != password2.value))
	{
		password1.focus();
		document.getElementById(idDiv1).innerHTML ="Incorrecto."
		document.getElementById(idDiv2).innerHTML ="Incorrecto."
		return false;
	}
	else
	{
		document.getElementById(idDiv1).innerHTML =" "
		document.getElementById(idDiv2).innerHTML =" "
		return true;
	}
}

function verificaSeACheckboxEstaCheckada (dados, idDiv)
{
	if(dados.checked == false)
	{
		document.getElementById(idDiv).innerHTML ="*"
		return false;
	}
	else
	{
		document.getElementById(idDiv).innerHTML =" "
		return true;
	}
}


function verificaSeASelectEstaSelecionada(dados,valorComparacao,idDiv)
{
	if(dados.value == valorComparacao)
	{
		document.getElementById(idDiv).innerHTML ="Em falta."
		return false;	
	}
	else
	{
		document.getElementById(idDiv).innerHTML =" "
		return true;	
	}
}

function verificaSeOArrayDeCheckboxsContemUmaSelecionada(idDiv)
{
	arrayDados = document.forms["formularioRegisto"].interesses;   
	var checkboxChecada = 0;
	for (i=0;i<arrayDados.length;++i)
	{
		if (arrayDados[i].checked == true)
			checkboxChecada++;
			
	}
	if (checkboxChecada >0)
	{
		document.getElementById(idDiv).innerHTML = "";
		return true;
	}
	else
	{
		document.getElementById(idDiv).innerHTML = "Selecione um interesse.";
		return false;
	}
}

function verificaSeENumero(dados,idDiv, numerosLength)
{
	if((dados.value.length != numerosLength) || (isNaN(dados.value)))
	{
		dados.focus();
		document.getElementById(idDiv).innerHTML ="Incorrecto."
		return false;
	}
	else if(dados.value == "")
	{
		dados.focus();
		document.getElementById(idDiv).innerHTML ="Incorrecto."
		return false;
	}
	else
	{
		document.getElementById(idDiv).innerHTML ="&nbsp;"
		return true;
	}
}

function verificaSeEmailEstaCorrecto(dados, idDiv)
{
	if (dados.value != "" && /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(dados.value))
	{
		document.getElementById(idDiv).innerHTML ="&nbsp;"
		return true;
	}
	else
	{
		dados.focus();
		document.getElementById(idDiv).innerHTML ="Incorrecto."
		return false;
	}
}

function verificaSeDataEstaCorrecta(dados,idDiv)
{
	var dt= dados;
	if (isDate(dt.value,idDiv)==false){
		dt.focus()
		return false
	}
	document.getElementById(idDiv).innerHTML ="";
    return true
 }


/**
 * SCRIPT DE VALIDAÇÃO DE DATAS
 * DHTML date validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
// Declaring valid date character, minimum year and maximum year
var dtCh= "-";
var minYear=1900;
var maxYear=2100;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function isDate(dtStr,idDiv){
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strDay=dtStr.substring(0,pos1)
	var strMonth=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
		document.getElementById(idDiv).innerHTML = "Formato Inválido."
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		document.getElementById(idDiv).innerHTML = "Mês Inválido."
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		document.getElementById(idDiv).innerHTML = "Dia Inválido."
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		document.getElementById(idDiv).innerHTML = "Ano Inválido."
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		document.getElementById(idDiv).innerHTML = "Data Inválida."
		return false
	}
	document.getElementById(idDiv).innerHTML ="";
return true

}

function verificaSeTextEstaVazio(form,dados, idDiv)
{ alert(form.dados.value);
	if((form.dados.value == "") || (form.dados.value == null))
	{ alert("vazia"); alert(idDiv); alert(form.dados.value); 
		form.dados.focus();
		document.getElementById(idDiv).innerHTML ="Incorrecto."
		return false;
	}
	else
	{
		document.getElementById(idDiv).innerHTML ="&nbsp;"
		form.submit();
		return true;
	}
}

/**  FIM VALIDACAO DATA   **/

function verifiraSeFormularioDoForumEstaVazio(form)
{
	var formularioValido = true;
	formularioValido = formularioValido && verificaSeFormEstaVazio(document.getElementById("mensagemForum"), 'alertMensagemForum');
	if (formularioValido == true)
	{
		form.submit();
		return true;
	}
	else
	{
		return false;
	}
}

function verifiraSeFormularioDoPassatempoEstaVazio(form)
{
	var formularioValido = true;
	formularioValido = formularioValido && verificaSeFormEstaVazio(document.getElementById("mensagemPassatempo"), 'alertMensagemPassatempo');
	if (formularioValido == true)
	{
		form.submit();
		return true;
	}
	else
	{
		return false;
	}
}


	
function formularioEnviaContacto(form)
{
	var formularioValido = true;
	formularioValido = formularioValido && verificaSeFormEstaVazio(document.getElementById("nome"), 'alertNome');	
	formularioValido = formularioValido && verificaSeEmailEstaCorrecto(document.getElementById("email"), 'alertEmail');
	formularioValido = formularioValido && verificaSeENumero(document.getElementById("contacto"),'alertContacto','9');
	formularioValido = formularioValido && verificaSeFormEstaVazio(document.getElementById("assunto"), 'alertAssunto');
	formularioValido = formularioValido && verificaSeFormEstaVazio(document.getElementById("conteudo"), 'alertConteudo');

	if (formularioValido == true)
	{
		form.submit();
		return true;
	}
	else
	{
		return false;
	}
}


function verificaSeFormularioDeLoginEstaPreenchido(form)
{
	var formularioValido = true;
	formularioValido = formularioValido && verificaSeFormEstaVazio(document.getElementById("username"), '');
	formularioValido = formularioValido && verificaSeFormEstaVazio(document.getElementById("password"), '');
	if (formularioValido == true)
	{
		form.submit();
		return true;
	}
	else
	{
		alert("Username/Password incorrectos.");
		return false;
	}
}

function verificaSeFormularioDeAlterarPassword(form)
{
	var formularioValido = true;
	formularioValido = formularioValido && verificaSeFormEstaVazio(document.getElementById("password1"), '');
	formularioValido = formularioValido && verificaSeFormEstaVazio(document.getElementById("password2"), '');
	formularioValido = formularioValido && verificaSeFormEstaVazio(document.getElementById("passwordAntiga"), '');
	if (formularioValido == true)
	{
		form.submit();
		return true;
	}
	else
	{
		alert("Preencha o(s) Campo(s).");
		return false;
	}
}

function formularioRecuperarPassword(form)
{
	var formularioValido = true;
	formularioValido = formularioValido && verificaSeEmailEstaCorrecto(document.getElementById("email"), 'alertEmail');
	if (formularioValido == true)
	{
		form.submit();
		return true;
	}
	else
	{
		return false;
	}
}