/*
 * 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,
                    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_','',{})
            }
        });

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) || /^-{0,1}[\d\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)
    }],
    //added by fwe
    ['validate-name', 'Please enter a valid name.', function (v) {
        return Validation.get('IsEmpty').test(v) || /^[ a-zA-ZäöüÄÖÜéèàç_-]*$/.test(v)
    }],
    //added by fwe
    ['validate-6chars', 'Please enter a value with a length of more or equal 6 characters', function (v) {
        return /^.{6,}$/.test(v)
    }],
    //added by fwe
    ['selected-required', 'The checkbox must be selected', function (v, elm) {
        return elm.checked;
    }],
    ['validate-2digits', 'Please enter a value containing at least 2 digits', function (v) {
        return /.*[0-9]+.*[0-9]+.*/.test(v)
    }],
    ['validate-phone', 'Please enter a valid cell phone number', function(v) {
        return Validation.get('IsEmpty').test(v) || /^07[6789][0-9]{7}$/.test(v)
    }],
    ['validate-0or6chars', 'Please enter a value with a length of more or equal 4 characters', function (v) {
        return /^.{6,}$/.test(v) || /^$/.test(v)
    }],
    ['validate-6chars', 'Please enter a value with a length of more or equal 4 characters', function (v) {
        return Validation.get('IsEmpty').test(v) || /^.{6,}$/.test(v)
    }],
    ['validate-password','Please enter a correct password',{equalToField:'password'}],
    ['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) {
        return Validation.get('IsEmpty').test(v) || /^(0[1-9]|[12][0-9]|3[01])[.](0[1-9]|1[012])[.](19|20)\d\d$/.test(v)
    }],
    ['validate-date-future', 'Please enter a valid date.', function(v) {
        return Validation.get('IsEmpty').test(v) || /^(0[1-9]|[12][0-9]|3[01])[.](0[1-9]|1[012])[.](19|20)\d\d$/.test(v) && future(v)
    }],
    ['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 $100.00 .', function(v) {
        // [$]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);
        });
    }]
]);
function future(date) {
    var dateParts = date.split(".");
    var backdate = new Date(dateParts[2], (dateParts[1] - 1) ,dateParts[0]);
    var today = new Date();
    return backdate > today
}


