/*
* Really easy field validation with Prototype
* http://tetlaw.id.au/view/javascript/really-easy-field-validation
* Andrew Tetlaw
* Version 1.5.4.1 (2007-01-05)
*
* Copyright (c) 2007 Andrew Tetlaw
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/

var Validator = Class.create({
    initialize : function(className, error, test, options) {
        if(typeof test == 'function'){
            this.options = $H(options);
            this._test = test;
        } else {
            this.options = $H(test);
            this._test = function(){return true};
        }
        this.error = error || 'Validation failed.';
        this.className = className;
    },
    test : function(v, elm) {
        return (this._test(v,elm) && this.options.all(function(p){
            return Validator.methods[p.key] ? Validator.methods[p.key](v,elm,p.value) : true;
        }));
    }
});
Validator.methods = {
    pattern : function(v,elm,opt) {return Validation.get('IsEmpty').test(v) || opt.test(v)},
    minLength : function(v,elm,opt) {return v.length >= opt},
    maxLength : function(v,elm,opt) {return v.length <= opt},
    maxLengthZipCodeForUSA : function(v,elm,opt) {
        if (v.length > 5 && ($F(opt) == 'USA'))
            return false;
        else
            return true;
    },
    min : function(v,elm,opt) {return v >= parseFloat(opt)}, 
    max : function(v,elm,opt) {return v <= parseFloat(opt)},
    notOneOf : function(v,elm,opt) {return $A(opt).all(function(value) {
        return v != value;
    })},
    oneOf : function(v,elm,opt) {return $A(opt).any(function(value) {
        return v == value;
    })},
    is : function(v,elm,opt) {return v == opt},
    isNot : function(v,elm,opt) {return v != opt},
    equalToField : function(v,elm,opt) {return v == $F(opt)},
    notEqualToField : function(v,elm,opt) {return v != $F(opt)},
    include : function(v,elm,opt) {return $A(opt).all(function(value) {
        return Validation.get(value).test(v,elm);
    })}
};
var Validation = Class.create({
    initialize : function(form, options){
        this.options = Object.extend({
            onSubmit : true,
            stopOnFirst : false,
            immediate : false,
            focusOnError : true,
            useTitles : false,
            useAnimation: true,
            hideErrorBlockWhenEmpty: false,
            onFormValidate : function(result, form) {},
            onElementValidate : function(result, elm) {}
        }, options || {});
        this.form = $(form);
        if(this.options.onSubmit) Event.observe(this.form,'submit',this.onSubmit.bind(this),false);
        if(this.options.immediate) {
            var useTitles = this.options.useTitles;
            var callback = this.options.onElementValidate;
            var useAnimation = this.options.useAnimation;
            var hideErrorBlockWhenEmpty = this.options.hideErrorBlockWhenEmpty;
            Form.getElements(this.form).each(function(input) {
                Event.observe(input, 'blur', function(ev) { Validation.validate(Event.element(ev),{useTitle : useTitles, onElementValidate : callback, useAnimation: useAnimation, hideErrorBlockWhenEmpty: hideErrorBlockWhenEmpty}); });
            });
        }
    },
    onSubmit :  function(ev){
        if(!this.validate()) Event.stop(ev);
    },
    validate : function() {
        var result = false;
        var useTitles = this.options.useTitles;
        var useAnimation = this.options.useAnimation;
        var hideErrorBlockWhenEmpty = this.options.hideErrorBlockWhenEmpty;
        var callback = this.options.onElementValidate;
        if(this.options.stopOnFirst) {
            result = Form.getElements(this.form).all(function(elm) { return Validation.validate(elm,{useTitle : useTitles, onElementValidate : callback, useAnimation: useAnimation, hideErrorBlockWhenEmpty: hideErrorBlockWhenEmpty}); });
        } else {
            result = Form.getElements(this.form).collect(function(elm) { return Validation.validate(elm,{useTitle : useTitles, onElementValidate : callback, useAnimation: useAnimation, hideErrorBlockWhenEmpty: hideErrorBlockWhenEmpty}); }).all();
        }
        if(!result && this.options.focusOnError) {
            Form.getElements(this.form).findAll(function(elm){return $(elm).hasClassName('validation-failed')}).first().focus()
        }
        this.options.onFormValidate(result, this.form);
        return result;
    },
    reset : function() {
        Form.getElements(this.form).each(Validation.reset);
    }
});
Object.extend(Validation, {
    validate : function(elm, options){
        options = Object.extend({
            useTitle : false,
            useAnimation: true,
            hideErrorBlockWhenEmpty: false,
            onElementValidate : function(result, elm) {}
        }, options || {});
        elm = $(elm);
        var cn = elm.classNames();
        return result = cn.all(function(value) {
            var test = Validation.test(value,elm,options.useTitle, options.useAnimation, options.hideErrorBlockWhenEmpty);
            options.onElementValidate(test, elm);
            return test;
        });
    },
    test : function(name, elm, useTitle, useAnimation, hideErrorBlockWhenEmpty) {
        var v = Validation.get(name);
        var prop = '__advice'+name.camelize();
        try {
        if(Validation.isVisible(elm) && !v.test($F(elm), elm)) {
            if(!elm[prop]) {
                var advice = Validation.getAdvice(name, elm);
                if(advice == null) {
                    var errorMsg = useTitle ? ((elm && elm.title) ? elm.title : v.error) : v.error;
                    advice = '<div class="validation-advice" id="advice-' + name + '-' + Validation.getElmID(elm) +'" style="display:none">' + errorMsg + '</div>'
                    switch (elm.type.toLowerCase()) {
                        case 'checkbox':
                        case 'radio':
                            var p = elm.parentNode;
                            if(p) {
                                new Insertion.Bottom(p, advice);
                            } else {
                                new Insertion.After(elm, advice);
                            }
                            break;
                        default:
                            new Insertion.After(elm, advice);
                    }
                    advice = Validation.getAdvice(name, elm);
                } else {
                    if(hideErrorBlockWhenEmpty)
                        advice.up('.errorMessages').show();
                }
                if(typeof Effect == 'undefined') {
                    advice.style.display = 'inline';
                } else {
                    if(!useAnimation) {
                    advice.show();
                    } else {
                    new Effect.Appear(advice, {duration : 0.5 });
                    }
                }
            }
            elm[prop] = true;
            elm.removeClassName('validation-passed');
            elm.addClassName('validation-failed');
            return false;
        } else {
            var advice = Validation.getAdvice(name, elm);
            if(advice != null) {
                advice.hide();
                if(hideErrorBlockWhenEmpty && !advice.up('.errorMessages').select('[id^=advice]').collect(function(elt){return elt.visible()}).any())
                    advice.up('.errorMessages').hide();
            }
            elm[prop] = '';
            elm.removeClassName('validation-failed');
            elm.addClassName('validation-passed');
            return true;
        }
        } catch(e) {
            throw(e)
        }
    },
    isVisible : function(elm) {
        while(elm.tagName != 'BODY') {
            if(!$(elm).visible()) return false;
            elm = elm.parentNode;
        }
        return true;
    },
    getAdvice : function(name, elm) {
        return $('advice-' + name + '-' + Validation.getElmID(elm)) || $('advice-' + Validation.getElmID(elm));
    },
    getElmID : function(elm) {
        return elm.id ? elm.id : elm.name;
    },
    reset : function(elm) {
        elm = $(elm);
        var cn = elm.classNames();
        cn.each(function(value) {
            var prop = '__advice'+value.camelize();
            if(elm[prop]) {
                var advice = Validation.getAdvice(value, elm);
                advice.hide();
                elm[prop] = '';
            }
            elm.removeClassName('validation-failed');
            elm.removeClassName('validation-passed');
        });
    },
    add : function(className, error, test, options) {
        var nv = {};
        nv[className] = new Validator(className, error, test, options);
        Object.extend(Validation.methods, nv);
    },
    addAllThese : function(validators) {
        var nv = {};
        $A(validators).each(function(value) {
                nv[value[0]] = new Validator(value[0], value[1], value[2], (value.length > 3 ? value[3] : {}));
            });
        Object.extend(Validation.methods, nv);
    },
    get : function(name) {
        return  Validation.methods[name] ? Validation.methods[name] : Validation.methods['_LikeNoIDIEverSaw_'];
    },
    methods : {
        '_LikeNoIDIEverSaw_' : new Validator('_LikeNoIDIEverSaw_','',{})
    }
});
Validation.add('IsEmpty', '', function(v) {
    return  ((v == null) || (v.length == 0)); // || /^\s+$/.test(v));
});
Validation.addAllThese([
    ['required', 'This is a required field.', function(v, elm) {
                // For some weird bug, most the fancy methods to get value for select boxes are not working properly
                // when javascript is used to add/remove it's options, what they return is the option's text in absence of it's value
                if(elm.tagName == 'SELECT')
                    v = elm.options[elm.selectedIndex].readAttribute('value');
                return !Validation.get('IsEmpty').test(v);
    }],
    ['validate-number', 'Please enter a valid number in this field.', function(v) {
                return Validation.get('IsEmpty').test(v) || (!isNaN(v) && !/^\s+$/.test(v));
    }],
    ['validate-digits', 'Please use numbers only in this field. please avoid spaces or other characters such as dots or commas.', function(v) {
                return Validation.get('IsEmpty').test(v) ||  !/[^\d]/.test(v);
    }],
    ['validate-alpha', 'Please use letters only (a-z) in this field.', function (v) {
                return Validation.get('IsEmpty').test(v) ||  /^[a-zA-Z]+$/.test(v)
    }],
    ['validate-alphanum', 'Please use only letters (a-z) or numbers (0-9) only in this field. No spaces or other characters are allowed.', function(v) {
                return Validation.get('IsEmpty').test(v) ||  !/\W/.test(v)
    }],
    ['validate-date', 'Please enter a valid date.', function(v) {
                var test = new Date(v);
                return Validation.get('IsEmpty').test(v) || !isNaN(test);
    }],
    ['validate-email', 'Please enter a valid email address. For example fred@domain.com .', function (v) {
                return Validation.get('IsEmpty').test(v) || /\w{1,}[@][\w\-]{1,}([.]([\w\-]{1,})){1,3}$/.test(v)
    }],
    ['validate-url', 'Please enter a valid URL.', function (v) {
                return Validation.get('IsEmpty').test(v) || /^(http|https|ftp):\/\/(([A-Z0-9][A-Z0-9_-]*)(\.[A-Z0-9][A-Z0-9_-]*)+)(:(\d+))?\/?/i.test(v)
    }],
    ['validate-date-au', 'Please use this date format: dd/mm/yyyy. For example 17/03/2006 for the 17th of March, 2006.', function(v) {
                if(Validation.get('IsEmpty').test(v)) return true;
                var regex = /^(\d{2})\/(\d{2})\/(\d{4})$/;
                if(!regex.test(v)) return false;
                var d = new Date(v.replace(regex, '$2/$1/$3'));
                return ( parseInt(RegExp.$2, 10) == (1+d.getMonth()) ) && 
                            (parseInt(RegExp.$1, 10) == d.getDate()) && 
                            (parseInt(RegExp.$3, 10) == d.getFullYear() );
    }],
    ['validate-currency-dollar', 'Please enter a valid $ amount. For example $100.00 .', function(v) {
        return Validation.get('IsEmpty').test(v) ||  /^\$?\-?([1-9]{1}[0-9]{0,2}(\,[0-9]{3})*(\.[0-9]{0,2})?|[1-9]{1}\d*(\.[0-9]{0,2})?|0(\.[0-9]{0,2})?|(\.[0-9]{1,2})?)$/.test(v)
    }],
    ['validate-selection', 'Please make a selection', function(v,elm){
        return elm.options ? elm.selectedIndex > 0 : !Validation.get('IsEmpty').test(v);
    }],
    ['validate-one-required', 'Please select one of the above options.', function (v,elm) {
                var p = elm.parentNode;
                var options = p.getElementsByTagName('INPUT');
                return $A(options).any(function(elm) {
                    return $F(elm);
                });
    }]
]);

Validation.add('validate-creditcard' , 'Please Enter a valid credit card number' ,function(ccnum) {
    if(Validation.get('IsEmpty').test(ccnum)){
        return false;
    }
    ccnum = ccnum.split("-").join("");
    /*
    var viPattern = /^4\d{3}-?\d{4}-?\d{4}-?\d{4}$/;
    var mcPattern = /^5[1-5]\d{2}-?\d{4}-?\d{4}-?\d{4}$/;
    var amexPattern = /^3[4,7]\d{13}$/;
    var type= "";
    var re = null;    
    if (viPattern.test(ccnum)) {
        type = "Visa";
        re = viPattern;
    } else if (mcPattern.test(ccnum)) {
        type = "MasterCard";
        re = mcPattern;    
    } else if (amexPattern.test(ccnum)) {
        type = "AmericanExpress";
        re = amexPattern;    
    }else {
        return false;
    }
    $('cardType').value = type;
    */
    // Remove all dashes for the checksum checks to eliminate negative numbers
    // Checksum ("Mod 10")
    // Add even digits in even length strings or odd digits in odd length strings.
    var checksum = 0;
    for (var i=(2-(ccnum.length % 2)); i<=ccnum.length; i+=2) {
          checksum += parseInt(ccnum.charAt(i-1));
    }
    // Analyze odd digits in even length strings or even digits in odd length strings.
    for (var i=(ccnum.length % 2) + 1; i<ccnum.length; i+=2) {
        var digit = parseInt(ccnum.charAt(i-1)) * 2;
        if (digit < 10) { checksum += digit; } else { checksum += (digit-9); }
    }
    if ((checksum % 10) == 0) return true; else return false;
});

Validation.add('validate-creditcard-expiration', 'Please Enter a valid expiration date.', function(val) {
    var now = new Date();
    if (now < new Date(parseInt($F('expYear'), 10), parseInt($F('expMonth'), 10)))
      return true;
    else
      return false;
  
});

Validation.add('validate-cartQty', 'Please enter a valid quantity.', {min : 1, include : ['validate-digits']});

Validation.add('validate-password', "Password should be minimum 5 characters long.", {minLength : 5});

Validation.add('validate-passwordVerify', 'Confirm password should be same as the password entered.', function(v, elm) {
    var formElt = elm.up('form');
    if($(formElt.down('#loginPassword')) && $F(formElt.down('#loginPassword')) == v)
      return true;
    else
      return false;
});

Validation.add('validate-ship-zipcode', "Zip code can not be more than 5 characters for USA.", {maxLengthZipCodeForUSA : 'shipToCountryGeoId'});

Validation.add('validate-contactNumber',
               'Please enter valid contact number.',
               function(contactNumber) {
               var pattern = /^(\d{0,3}[ .-]?\d{3}[ .-]?\d{3}[ .-]?\d{4})?$/;
               if (pattern.test(contactNumber))
                   return true;
               return false;
});

Validation.add('validate-no-po-address',
               'PO Box is not allowed for shipping address.',
               function(v) {
               var returnVal = true;
               if(!Validation.get('IsEmpty').test(v)) {
                   var lc = v.toLowerCase();
                   if(v.include("PO") || v.include("P O") || lc.include("po box") || lc.include("p.o")) {
                       returnVal = false;
                   }
               }
               return returnVal;
});

Validation.add('validate-billing-po-address','',
               function(v) {
               var returnVal = true;
               if(!Validation.get('IsEmpty').test(v)) {
                   var lc = v.toLowerCase();
                   if(v.include("PO") || v.include("P O") || lc.include("po box") || lc.include("p.o")) {
                       $('doNotUseBillingAddressForShipping').checked = true;
                       $('shippingAddressFieldset').show();
                       $('doNotUseBillingAddressForShipping').hide();
                   } else {
                       $('doNotUseBillingAddressForShipping').show();
                   }
               }
               return returnVal;
});