/**
 * Clase validation
 * @author Arnold Manolo Roa V. arnoldroa@hotmail.com
 * Zion
 * 
 */


function formValidatorLoadTheme(form,theme){
	Element.extend(form);
	// USAR PHLOAD O NATIVO DE JS?
	fileref=document.createElement("link");
	fileref.setAttribute("rel", "stylesheet");
	fileref.setAttribute("type", "text/css");
	fileref.setAttribute("href", '/js/formValidator/themes/'+theme+'.css');
	document.getElementsByTagName("head").item(0).appendChild(fileref);
	$(form).addClassName('ioForm'+theme);
	
	fileref=document.createElement("link");
	fileref.setAttribute("rel", "stylesheet");
	fileref.setAttribute("type", "text/css");
	fileref.setAttribute("href", '/js/formValidator/themes/main.css');
	document.getElementsByTagName("head").item(0).appendChild(fileref);
}

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, // si hay un error no muestra mas.
			immediate : true, // Se revisa en cuanto se pierde el foco del input
			onkeydown : true, // aparece un icono de lapiz cuando se esta escribiendo, INACTIVO
			focusOnError : true,
			iconAlign: 'left', //left rigth
			useTitles : true, //Se usa la propiedad Title para mostrar los errores
			theme : 'Winxp', //Exactamente igual al css 
			onFormValidate : function(result, form) {},
			onElementValidate : function(result, elm) {}
		}, options || {});

		formValidatorLoadTheme(form,this.options.theme);

		this.form = $(form);
		
		// Por todos los elementos...
		this.form.descendants().each(function(element){
			switch(element.tagName){
				case 'LABEL':
					element.addClassName('ioFormLabel');
				break;
			}	
		});
		
		// Agregamos los span al inicio de cada input
		Form.getElements(this.form).each(function(input) {
				if( input.hasClassName('required') ) { a = "ioIsRequired"; } else { a = "ioNotRequired"; }
				if( input.present ) { b = "ioNotEmpty"; } else { b = "ioIsEmpty"; }
				spanBefore = '<span id="'+input.name+'-required" style="-moz-user-select: none;" class="'+a+'"><span id="'+input.name+'-editing" class="ioNotEditing"><span id="'+input.name+'-empty" class="'+b+'"><span id="'+input.name+'-valid" class=""><span id="'+input.name+'-ajax" class=""><span class="ioStatusImg"/></span></span></span></span></span>';
				
				if( input.type != "submit" && input.type != "hidden" && input.type != "reset" && input.type != "button" && !input.hasClassName('noicon')) { 
					( this.options.iconAlign == 'left' ) ? new Insertion.Before(input, spanBefore):new Insertion.After(input, spanBefore);
				} else {
					new Insertion.Before(input, '<span id="'+input.name+'-valid" style="display:none"></span>');
				}
			}.bind(this));
			
		//this.validate(); // SI SE VALIDA AL CARGAR UN FORMULARIO NUEVO SALDRAN LOS REQUIRED CON ERROR ='(
		
		if(this.options.onSubmit) {
			// Creamos un listener
			Event.observe(this.form,'submit',this.onSubmit.bind(this),false);
			
 			// Si se ejecuta la funcion form.submit() el evento submit no es disparado aun cuando el formulario si se envia.
			// corregimos eso remplazando dicha funcion. Uso Builder.node y no $e porque da error $e cuando se declara style. 
			this.form.submit = function(){
				inputSubmit = Builder.node('input',{type: 'submit', style: 'display:none;'});
				this.form.appendChild( inputSubmit );
				inputSubmit.click();
			}.bind(this);
		}
		
		if(this.options.immediate) {
			var useTitles = this.options.useTitles;
			var callback = this.options.onElementValidate;
			Form.getElements(this.form).each(function(input) { 
				Event.observe(input, 'blur', function(ev) { Validation.validate(Event.element(ev),{useTitle : useTitles, onElementValidate : callback}); });
				Event.observe(input, 'keydown', function(ev){ $(input.name+'-editing').className = 'ioIsEditing'; });
			});
		}
	},
	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) { // elcontenido de estos if da error si el input esta al rededor de un<p> en ie6
			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 = $(elm);
		if($(elm.name+'-editing')) {$(elm.name+'-editing').className = 'ioNotEditing';}
		var cn = elm.classNames();
		//	return result = cn.all(function(value) {
		return cn.all(function(value) {
			var test = Validation.test(value,elm,options.useTitle);
			options.onElementValidate(test, elm);
			return test;
		});
	},
	test : function(name, elm, useTitle) {
		var v = Validation.get(name);
		var prop = '__advice'+name.camelize();
		try {
		if(Validation.isVisible(elm) && !v.test($F(elm), elm)) { //si la validacion regresa error.
			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>'
					//advice = '<span class="ioFormError" id="advice-' + name + '-' + Validation.getElmID(elm) +'" style="-moz-user-select: none;">' + errorMsg + '</span>';
					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:
							$(elm.name+'-valid').className='ioNotValid';
							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 ,to:0.7});
				}
			}
			elm[prop] = true;
			$(elm.name+'-valid').className='ioNotValid';
			elm.addClassName('validation-failed');
			return false;
		} else { //si la validacion es correcta.
			advice = Validation.getAdvice(name, elm);
			if(advice !== null) {
				if (typeof Effect == 'undefined'){ advice.hide(); } else { new Effect.Fade(advice); }
				$(elm.name+'-valid').className='ioIsValid';
			}
			elm[prop] = '';
			
			elm.addClassName('validation-passed');
			$(elm.name+'-valid').className='ioIsValid';
			
			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', 'Este campo es requerido.', function(v) {
				return !Validation.get('IsEmpty').test(v);
			}],
	['validate-number', 'Ingrese un numero valido.', function(v) {
				return Validation.get('IsEmpty').test(v) || (!isNaN(v) && !/^\s+$/.test(v));
			}],
	['validate-digits', 'Ingrese un numero valido sin lineas o comas.', function(v) {
				return Validation.get('IsEmpty').test(v) ||  !/[^\d]/.test(v);
			}],
	['validate-alpha', 'Use solo letras (a-z) en este campo.', function (v) {
				return Validation.get('IsEmpty').test(v) ||  /^[a-z A-Z]+$/.test(v)
			}],
	['validate-alphanum', 'Use solo letras (a-z) o numeros (0-9) en este campo.', function(v) {
				return Validation.get('IsEmpty').test(v) ||  !/\W/.test(v)
			}],
	['validate-date', 'Ingrese una fecha valida.', function(v) {
				var test = new Date(v);
				return Validation.get('IsEmpty').test(v) || !isNaN(test);
			}],
	['validate-email', 'Ingrese una direccion de email valida.', function (v) {
				return Validation.get('IsEmpty').test(v) || /\w{1,}[@][\w\-]{1,}([.]([\w\-]{1,})){1,3}$/.test(v)
			}],
	['validate-url', 'Ingrese una direccion URL valida (http://www.ejem.com).', function (v) {
				return Validation.get('IsEmpty').test(v) || /^(http|https|ftp):\/\/(([A-Z0-9][A-Z0-9_-]*)(\.[A-Z0-9][A-Z0-9_-]*)+)(:(\d+))?\/?/i.test(v)
			}],
	['validate-url-nohttp', 'Ingrese una direccion URL valida (www.ejem.com).', function (v) {
				return Validation.get('IsEmpty').test(v) || /^(([A-Z0-9][A-Z0-9_-]*)(\.[A-Z0-9][A-Z0-9_-]*)+)(:(\d+))?\/?/i.test(v)
			}],
	['validate-date-au', 'Use este formato de fecha: dd/mm/yyyy. Por ejemplo 17/03/2006.', function(v) {
				if(Validation.get('IsEmpty').test(v)) return true;
				var regex = /^(\d{2})\/(\d{2})\/(\d{4})$/;
				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.$3, 10) == d.getFullYear() );
			}],
	['validate-date-ymd', 'Use este formato de fecha: yyyy-mm-dd', function(v) {
				if(Validation.get('IsEmpty').test(v)) return true;
				var regex = /^(\d{4})\-(\d{2})\-(\d{2})$/;
				if(!regex.test(v)) return false;
				var d = new Date(v.replace(regex, '$1/$2/$3'));
				return ( parseInt(RegExp.$2, 10) == (1+d.getMonth()) ) && 
							(parseInt(RegExp.$3, 10) == d.getDate()) && 
							(parseInt(RegExp.$1, 10) == d.getFullYear() );
			}],
	['validate-money-pesos', 'Ingrese un valor valido, por ejemplo $100.00 .', function(v) {
				// [$]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-file-image', 'El archivo debe ser una imagen.', function (v) {
				return Validation.get('IsEmpty').test(v) || /.*\.(jpg|gif|png|jpeg|bmp)/i.test(v)
			}],
	['validate-file-movie', 'El archivo debe ser una pelicula (avi,mpg,mpeg).', function (v) {
				return Validation.get('IsEmpty').test(v) || /.*\.(flv|avi|mpg|mpeg)/i.test(v)
			}],
	['validate-file-doc', 'El archivo debe ser un documento.', function (v) {
				return Validation.get('IsEmpty').test(v) || /.*\.(pdf|doc|txt|docx)/i.test(v)
			}],
	['validate-file-zip', 'El archivo debe estar comprimido.', function (v) {
				return Validation.get('IsEmpty').test(v) || /.*\.(zip|rar|ace)/i.test(v)
			}],
	['validate-selection', 'Seleccione un elemento', function(v,elm){
				return elm.options ? elm.selectedIndex > 0 : !Validation.get('IsEmpty').test(v);
			}],
	['validate-one-required', 'Seleccione uno de los elementos de la lista.', function (v,elm) {
				var p = elm.parentNode;
				var options = p.getElementsByTagName('INPUT');
				return $A(options).any(function(elm) {
					return $F(elm);
				});
			}]	
]);

Validation.add('validate-min6', 'Debe ingresar mas de 6 caracteres', {minLength : 6});