/*
 * 
 * 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,'+merged_options.scope+' .req-credit,'+merged_options.scope+' .req-creddate').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;
            //show_notifications(tempErr, 'error');//
			$(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*$)/;
        var credit_filter = /^(?:4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|6(?:011|5[0-9][0-9])[0-9]{12}|3[47][0-9]{13}|3(?:0[0-5]|[68][0-9])[0-9]{11}|(?:2131|1800|35\d{3})\d{11})$/;
        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().addClass('error-same');
                errorTxt = opts.errorMsg.reqSame;
            } else {
                $(opts.scope+' .req-same[rel="'+group+'"]').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;
        }
        // CREDIT CARD VERIFICATION
        if (obj.hasClass('req-credit')) {
            valAttr = valAttr.replace(/[^0-9]/g,'');
            tmpresult = credit_filter.test(valAttr);
            if (!tmpresult) errorTxt = (valAttr == '') ? opts.errorMsg.reqCreditEmpty : opts.errorMsg.reqCreditNotValid;
            result = result && tmpresult;
        }
        
        // CREDIT CARD DATE VERIFICATION
        if (obj.hasClass('req-creddate')) {
            var curDate = new Date();
            var year = curDate.getFullYear() - 2000;
            var parts = valAttr.split("/");
            if (parts[0]>0 && parts[0]<13 && parts[1] >= year && parts[1]<=99)
            {
                tmpresult = true;   
            }
            else
            {
                tmpresult = false;
            }   
            if (!tmpresult) errorTxt = (valAttr == '') ? opts.errorMsg.reqCreditDateEmpty : opts.errorMsg.reqCreditDateNotValid;
            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       :   'Fill the required fields',
                                reqDate         :   'Date is <b>not</b> valid',
                                reqNum          :   'Only numbers allowed',
                                reqMailNotValid :   'E-Mail is <b>not</b> valid',
                                reqMailEmpty    :   'Please fill e-mail',
                                reqSame         :   'Repeating inputs are not same',
                                reqBoth         :   'Related field(s) required',
                                reqMin          :   'Minimum %1 characters required',
                                reqCreditEmpty  :   'Credit Card is required',
                                reqCreditNotValid: "Credit Card Number is Invalid",
                                reqCreditDateEmpty  :   'Credit Card Expiration Date is required',
                                reqCreditDateNotValid: "Credit Card Expiration Date Invalid" 
                            },
        customErrMsg    :   '',
        dateSeperator   :   '.'
    };
})(jQuery);

// FORM VALIDATOR JQUERY PLUGIN - END