/*
*
* Utopic Farm 2009
* @author Tolga Arican
* @website www.utopicfarm.com
* @version 1.0.1
*
*/


// FORM VALIDATOR JQUERY PLUGIN - START

(function($) {

$.fn.formValidator = function(options) {
$(this).click(function() {

var result = $.formValidator(options);

if (result && jQuery.isFunction(options.onSuccess)) {
options.onSuccess();
return false;
} else {
return result;
}
});
};

$.formValidator = function (options) {

// merge options with defaults
var merged_options = $.extend({}, $.formValidator.defaults, options);

// result boolean
var boolValid = true;

// result error message
var errorMsg = '';

// clean errors
$(merged_options.scope + ' .error-both, ' + merged_options.scope + ' .error-same, ' + merged_options.scope + ' .error-input').removeClass('error-both').removeClass('error-same').removeClass('error-input');

// gather inputs & check is valid
$(merged_options.scope+' .req-email, '+merged_options.scope+' .req-string, '+merged_options.scope+' .req-same, '+merged_options.scope+' .req-both, '+merged_options.scope+' .req-numeric, '+merged_options.scope+' .req-date, '+merged_options.scope+' .req-min').each(function() {
thisValid = $.formValidator.validate($(this),merged_options);
boolValid = boolValid && thisValid.error;
if (!thisValid.error) errorMsg  = thisValid.message;
});

// submit form if there is and valid
if ((merged_options.scope != '') && boolValid) {
$(merged_options.errorDiv).fadeOut();
}

// if there is errorMsg print it if it is not valid
if (!boolValid && errorMsg != '') {

var tempErr = (merged_options.customErrMsg != '') ? merged_options.customErrMsg : errorMsg;
$(merged_options.errorDiv).hide().html(tempErr).fadeIn();
}

return boolValid;
};

$.formValidator.validate = function(obj,opts) {

var valAttr = obj.val();
var css = opts.errorClass;
var mail_filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
var numeric_filter = /(^-?\d\d*\.\d*$)|(^-?\d\d*$)|(^-?\.\d\d*$)|(^-?\d*$)/;
var tmpresult = true;
var result = true;
var errorTxt = '';

// REQUIRED FIELD VALIDATION
if (obj.hasClass('req-string')) {
tmpresult = (valAttr != '');
if (!tmpresult) errorTxt = opts.errorMsg.reqString;
result = result && tmpresult;
}
// SAME FIELD VALIDATION
if (obj.hasClass('req-same')) {

tmpresult = true;

group = obj.attr('rel');
tmpresult = true;
$(opts.scope+' .req-same[rel="'+group+'"]').each(function() {
if($(this).val() != valAttr || valAttr == '') {
tmpresult = false;
}
});
if (!tmpresult) {
$(opts.scope+' .req-same[rel="'+group+'"]').parent().parent().addClass('error-same');
errorTxt = opts.errorMsg.reqSame;
} else {
$(opts.scope+' .req-same[rel="'+group+'"]').parent().parent().removeClass('error-same');
}

result = result && tmpresult;
}
// BOTH INPUT CHECKING
// if one field entered, the others should too.
if (obj.hasClass('req-both')) {

tmpresult = true;

if (valAttr != '') {

group = obj.attr('rel');

$(opts.scope+' .req-both[rel="'+group+'"]').each(function() {
if($(this).val() == '') {
tmpresult = false;
}
});

if (!tmpresult) {
$(opts.scope+' .req-both[rel="'+group+'"]').parent().parent().addClass('error-both');
errorTxt = opts.errorMsg.reqBoth;
} else {
$(opts.scope+' .req-both[rel="'+group+'"]').parent().parent().removeClass('error-both');
}
}

result = result && tmpresult;
}
// E-MAIL VALIDATION
if (obj.hasClass('req-email')) {
tmpresult = mail_filter.test(valAttr);
if (!tmpresult) errorTxt = (valAttr == '') ? opts.errorMsg.reqMailEmpty : opts.errorMsg.reqMailNotValid;
result = result && tmpresult;
}
// DATE VALIDATION
if (obj.hasClass('req-date')) {

tmpresult = true;

var arr = valAttr.split(opts.dateSeperator);
var curDate = new Date();

if (valAttr == '') {

tmpresult = true;
} else {

if (arr.length < 3) {
tmpresult = false;
} else {
tmpresult = (arr[0] <= 12) && (arr[1] <= 31) && (arr[2] <= curDate.getFullYear());
}
}

if (!tmpresult) errorTxt = opts.errorMsg.reqDate;
result = result && tmpresult;
}
// MINIMUM REQUIRED FIELD VALIDATION
if (obj.hasClass('req-min')) {
tmpresult = (valAttr.length >= obj.attr('minlength'));
if (!tmpresult) errorTxt = opts.errorMsg.reqMin.replace('%1',obj.attr('minlength'));
result = result && tmpresult;
}
// NUMERIC FIELD VALIDATION
if (obj.hasClass('req-numeric')) {
tmpresult = numeric_filter.test(valAttr);
if (!tmpresult) errorTxt = opts.errorMsg.reqNum;
result = result && tmpresult;
}

if (result) {
obj.removeClass(css);
} else {
obj.addClass(css);
}

return {
error: result,
message: errorTxt
};
};

// CUSTOMIZE HERE or overwrite by sending option parameter
$.formValidator.defaults = {
onSuccess		: null,
scope		:	'',
errorClass		:	'error-input',
errorDiv		:	'',
errorMsg		: 	{
reqString		:	'Attenzione: i campi in rosso sono obbligatori',
reqDate			:	'Data <b>non</b> valida',
reqNum			:	'Solo numeri',
reqMailNotValid	:	'E-Mail <b>non</b> valida',
reqMailEmpty	:	'Compila il campo e-mail',
reqSame			:	'Repeating inputs are not same',
reqBoth			:	'Related field(s) required',
reqMin			:	'Minimo %1 characteri'
},
customErrMsg	:	'',
dateSeperator	:	'.'
};
})(jQuery);

// FORM VALIDATOR JQUERY PLUGIN - END