/*
* 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);
      }
      else
      {
        //slij();
        //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 = '<p class="validation-advice" id="advice-' + name + '-' + Validation.getElmID(elm) +'" style="display:none">' + errorMsg + '</p>'
               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.toLowerCase() != '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', 'To pole jest wymagane.', 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+$/.test(v));
         }],
   ['validate-digits', 'Proszę użyć wyłącznie cyfr. Spacja oraz inne znaki sa niedopuszczalne.', function(v) {
            return Validation.get('IsEmpty').test(v) ||  !/[^\d]/.test(v);
         }],
   ['validate-kod', 'Proszę użyć wyłącznie cyfr oraz znaku \'-\'. Spacja oraz inne znaki sa niedopuszczalne.', function(v) {
            return Validation.get('IsEmpty').test(v) ||  !/[^\d-]/.test(v);
         }],
   ['validate-alpha', 'Proszę użyć wyłącznie liter (a-z).', function (v) {
            return Validation.get('IsEmpty').test(v) ||  /^[a-zA-Z]+$/.test(v)
         }],
   ['validate-alphanum', 'Proszę użyć liter (a-z) lub cyfr (0-9). Spacja oraz inne znaki są niedopuszczalne.', 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', 'Proszę wpisać poprawny adres e-mail wg. wzoru imie@domena.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);
            });
         }]
]);
