/*
* 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();

Validator.prototype = {
    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},
    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();

Validation.prototype = {
    initialize : function(form, options){
        this.options = Object.extend({
            onSubmit : true,
            stopOnFirst : false,
            immediate : false,
            focusOnError : true,
            useTitles : false,
            modal : 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;
            Form.getElements(this.form).each(function(input) { // Thanks Mike!
                Event.observe(input, 'blur', function(ev) { Validation.validate(Event.element(ev),{useTitle : useTitles, onElementValidate : callback}); });
            });
        }
    },
    onSubmit :  function(ev){
        if(!this.validate()) Event.stop(ev);
    },
    validate : function() {
        var result = false;
        var useTitles = this.options.useTitles;
        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}); });
        } else {
            result = Form.getElements(this.form).collect(function(elm) { return Validation.validate(elm,{useTitle : useTitles, onElementValidate : callback}); }).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,
            onElementValidate : function(result, elm) {}
        }, options || {});
        elm = $(elm);
        var cn = elm.classNames();
        return result = cn.all(function(value) {
            var test = Validation.test(value,elm,options.useTitle);
            options.onElementValidate(test, elm);
            return test;
        });
    },
    test : function(name, elm, useTitle) {
        var v = Validation.get(name);
        var prop = '__advice'+name.camelize();
        try {
            if(Validation.isVisible(elm) && !v.test($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);
                    }
                    if(typeof Effect == 'undefined') {
                        advice.style.display = 'block';
                    } else {
                        new Effect.Appear(advice, {duration : 1 });
                    }
                }
                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();
                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 = {};
        $A(validators).each(function(value) {
            nv[value[0]] = new Validator(value[0], value[1], value[2], (value.length > 3 ? value[3] : {}));
        });
        Object.extend(Validation.methods, nv);
    },
    get : function(name) {
        return  Validation.methods[name] ? Validation.methods[name] : Validation.methods['_LikeNoIDIEverSaw_'];
    },
    methods : {
        '_LikeNoIDIEverSaw_' : new Validator('_LikeNoIDIEverSaw_','',{})
    },
    getEmailRegex : function() {
        var emailRegex = /^[A-Z0-9._%+-]+@(?:[A-Z0-9-]+\.)+(?:[A-Z]{2}|aero|asia|biz|cat|com|coop|edu|gov|info|int|jobs|mil|mobi|museum|name|net|org|pro|tel|travel)$/i;
        return  emailRegex;
    },
    getAlphaNumRegex : function() {
        var alphaNumRegex = "[a-z A-Z0-9_./\\\\,-]+";
        return  alphaNumRegex;
    }
});

Validation.add('IsEmpty', '', function(v) {
    return  ((v == null) || (v.length == 0)); // || /^\s+$/.test(v));
});

Validation.addAllThese([
        ['required', 'This is a required field.', function(v) {
            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+$/.test(v));
        }],
        ['validate-digits', 'Please use numbers only in this field.', function(v) {
            return Validation.get('IsEmpty').test(v) ||  !/[^\d]/.test(v);
        }],
        ['html-tags', 'Please do not use HTML tags in this field.', function(v) {
            return Validation.get('IsEmpty').test(v) ||  !/(<([^>]+)>)/gi.test(v);
        }],
        ['validate-alpha', 'Please use letters only (a-z) in this field.', function (v) {
            return Validation.get('IsEmpty').test(v) ||  /^[a-zA-Z]+$/.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-vriti-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) ||  Validation.getAlphaNumRegex().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 audrey@domain.com .', function (v) {
            return Validation.get('IsEmpty').test(v) || Validation.getEmailRegex().test(v);
        }],
        ['validate-emaillist', 'Who would you like to invite? Please enter their email addresses here.', function(v) {
            return v != "Enter friends' email addresses.";
        }],
        ['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 $100.00 .', function(v) {
            // [$]1[##][,###]+[.##]
            // [$]1###+[.##]
            // [$]0.##
            // [$].##
            return Validation.get('IsEmpty').test(v) ||  /^\$?\-?([1-9]{1}[0-9]{0,2}(\,[0-9]{3})*(\.[0-9]{0,2})?|[1-9]{1}\d*(\.[0-9]{0,2})?|0(\.[0-9]{0,2})?|(\.[0-9]{1,2})?)$/.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);
            });
        }],
        ['validate-phone', 'Please enter a valid phone number. For example (123) 456-789', function(v) {
            return Validation.get('IsEmpty').test(v) || /^(\+\d)*\s*(\(\d{3}\)\s*)*\d{3}(-{0,1}|\s{0,1})\d{2}(-{0,1}|\s{0,1})\d{2}$/.test(v);
        }],

        ['validate-vriti-Zip', 'Please enter a valid zip.Length 6', function (v) {
            return Validation.get('IsEmpty').test(v) ||  /^\d{6}$/.test(v);
        }],

        ['validate-vriti-mobile', 'Please enter a no.Length between 10-13', function (v) {
            return Validation.get('IsEmpty').test(v) || /^\d{10,13}$/.test(v);
        }],

        ['validate-vriti-phone', 'Please enter a no.Length between 7-12', function (v) {
            return Validation.get('IsEmpty').test(v) || /^\d{7,12}$/.test(v);
        }],

          ['validate-vriti-std', 'Please enter a no.Length between 3-5', function (v) {
            return Validation.get('IsEmpty').test(v) || /^\d{3,5}$/.test(v);
        }],


        ['validate-email-list', 'Please enter one or more valid email addresses. For example: fred@domainname.com, mabel@domainname.com.', function (v) {
            if (Validation.get('IsEmpty').test(v)) {
                return false;
            }

            //whitespace is allowed around comma delimiter below, so strip() is justified as well
            v = v.strip();

            // allow split with comma, semicolon or space
            var vArr = v.split(/\s*[,; /\n]\s*/);
            var isValid = true;
            for (var i = 0; i < vArr.length; i++) {
                if ( !Validation.getEmailRegex().test(vArr[i]) ) {
                    isValid = false;
                    break;
                }
            }
            return isValid;
        }],
        ['validate-cc', 'Sorry. We do not accept this type of credit card. Please try another card.', function(v) {

            //dashes and spaces are stripped server-side; strip them here before testing against the regex
            v = v.replace(/[-\s]/g, '');

            return Validation.get('IsEmpty').test(v) ||  /^3(?:[47]\d([ -]?)\d{4}(?:\1\d{4}){2}|0[0-5]\d{11}|[68]\d{12})$|^4(?:\d\d\d)?([ -]?)\d{4}(?:\2\d{4}){2}$|^6011([ -]?)\d{4}(?:\3\d{4}){2}$|^5[1-5]\d\d([ -]?)\d{4}(?:\4\d{4}){2}$|^2014\d{11}$|^2149\d{11}$|^2131\d{11}$|^1800\d{11}$|^3\d{15}$/.test(v);
        }],
        ['validate-10d-phone', 'Please enter a valid phone number. For example 5553214321 .', function(v) {

            return Validation.get('IsEmpty').test(v) ||  /^\d{10}$/.test(v);
        }]

        ]);

/* Stop double GETS, so products don't get reserved twice */
document.observe( 'dom:loaded', function() {
    if ($('checkout')) {
        $('checkout').observe('click', function() {
            window.location='/checkout';
            $$('a[href="/checkout"]').each(function(a) {
                a.href = "#";
            });
        });
    }
} );