/*
 * Really easy field validation with Prototype
 * http://tetlaw.id.au/view/blog/really-easy-field-validation-with-prototype
 * Andrew Tetlaw
 * Version 1.2.1 (2006-05-02)
 * Thanks Mike Rumble http://www.mikerumble.co.uk/ for onblur idea!
 * http://creativecommons.org/licenses/by-sa/2.5/
 */
Validator = Class.create();

Validator.prototype = {
	initialize : function(className, error, test) 
	{
		this.test = test ? test : function(){ return true };
		this.error = error ? error : 'Validation failed.';
		this.className = className;
	}
}

var Validation = Class.create();

Validation.prototype = {
	initialize : function(form, options){
		this.options = Object.extend({
			stopOnFirst : false,
			immediate : false
		}, options || {});
		this.form = $(form);
		Event.observe(this.form,'submit',this.onSubmit.bind(this),false);
		if(this.options.immediate) 
		{
			Form.getElements(this.form).each(function(input) 
			{ // Thanks Mike!
				Event.observe(input, 'blur', function(ev) { Validation.validate(Event.element(ev).id) });
			});
		}
	},
	onSubmit :  function(ev)
	{
		if(!this.validate()) Event.stop(ev);
	},
	validate : function() 
	{
		if(this.options.stopOnFirst) 
		{
			return Form.getElements(this.form).all(Validation.validate);
		}
		else 
		{
			return Form.getElements(this.form).collect(Validation.validate).all();
		}
	}
}

Object.extend(Validation, {
	validate : function(elm, index, options){ // index is here only because we use this function in Enumerations
		var options = Object.extend({}, options || {}); // options still under development and here as a placeholder only
		elm = $(elm);
		var cn = elm.classNames();
		return result = cn.all(Validation.test.bind(elm));
	},
	test : function(name) {
		var v = Validation.get(name);
		var id = 'advice-' + name + '-' + this.id;
		var prop = '__advice'+name;
		if(Validation.isVisible(this) && !v.test($F(this))) {
			if(!this[prop]) {
				var advice = document.createElement('div');
				advice.appendChild(document.createTextNode(v.error));
				advice.className = 'validation-advice';
				advice.id = id;
				advice.style.display = 'none';
				this.parentNode.insertBefore(advice, this.parentNode.lastChild.nextSibling);
				if(typeof Effect == 'undefined') {
					advice.style.display = 'block';
				} else {
					new Effect.Appear(advice.id, {duration : 1 });
				}
			}
			this[prop] = true;
			this.removeClassName('validation-passed');
			this.addClassName('validation-failed');
			return false;
		} else {
			try {
				$(id).remove();
			} catch(e) {}
			this[prop] = '';
			this.removeClassName('validation-failed');
			this.addClassName('validation-passed');
			return true;
		}
	},
	isVisible : function(elm) 
	{
		while(elm.tagName != 'BODY') 
		{
			if(!$(elm).visible()) return false;
			elm = elm.parentNode;
		}
		return true;
	},
	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]);
		});
		Object.extend(Validation.methods, nv);
	},
	get : function(name) 
	{
		return  Validation.methods[name] ? Validation.methods[name] : new Validator();
	},
	methods : {}
});


//var $V = Validation.validate;
//var $VG = Validation.get;
//var $VA = Validation.add;

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

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

Validation.addAllThese([
	['required', 'Champ obligatoire.', function(v) 
	{
		return !Validation.get('IsEmpty').test(v);
	}],
	['required-file', 'Champ obligatoire.', function(v) 
	{
		var elmEqualto = document.getElementsByClassName('required-file');
		return !Validation.get('IsEmpty').test(elmEqualto[0].value);
	}],
	['required-selection', 'Veuillez faire une sélection.', function(v) 
	{
		return (v != -1) && (v != 0);
	}],
	['required-captcha', 'Champ obligatoire.', function(v) 
	{		
		return (v != 'recopiez la série dans le cadre gris ci-dessus');
	}],
	['validate-captcha', 'Attention : Votre saisie est incorrecte.', function(v) 
	{	
		var captchaControl = document.getElementById("captcha-control");
		return (v == captchaControl.value);
	}],
	['required-prix', 'Le prix est obligatoire.', function(v) 
	{	
		var offre = document.getElementsByName("offre");
		var offreValue = -1;
		for (i=0;i<offre.length;i++)
		{
			if (offre[i].checked == true)
			{
				offreValue = offre[i].value; break;
			}
		}
		
		if((offreValue == 1) || (offreValue == 2))
		{
			return !Validation.get('IsEmpty').test(v);
		}

		return true;
	}],
	['validate-number', 'Attention : merci de saisir des chiffres.', function(v) 
	{
		return Validation.get('IsEmpty').test(v) || !isNaN(v);
	}],
	['validate-digits', 'Attention: merci de saisir des chiffres sans décimales.', function(v) 
	{
		return Validation.get('IsEmpty').test(v) ||  !/[^\d]/.test(v);
	}],
	['validate-montant', 'Merci de saisir un montant (ex : 5000).', function(v) 
	{
		return Validation.get('IsEmpty').test(v) ||  !/[^\d]/.test(v);
	}],
	['validate-alpha', 'Ce champ ne peut contenir que du texte.', function (v) 
	{
		return Validation.get('IsEmpty').test(v) ||  /^[\sa-zA-Z_.]+$/.test(v)		
	}],	
	['validate-alphanum', 'Ce champ ne peut contenir que des caractères alphanumériques.', function(v) 
	{
		return Validation.get('IsEmpty').test(v) ||  !/\s\W/.test(v)
	}],
	['validate-date', 'Vous devez saisir une date valide.', function(v) 
	{
		var test = new Date(v);
		return Validation.get('IsEmpty').test(v) || !isNaN(test);
	}],	
	['validate-annee', 'Vous devez saisir une année valide (>1900).', function(v) 
	{
		bValid = true;		
		if(!Validation.get('IsEmpty').test(v))
		{
			if(!/^[0-9]{4}$/.test(v) || (v < 1900))
			{
				bValid = false;
			}
		}		
		return bValid;
	}],
	['validate-email', 'Vous devez saisir une adresse e-mail valide.', function (v) 
	{
		return Validation.get('IsEmpty').test(v) || /\w{1,}[@][\w\-]{1,}([.]([\w\-]{1,})){1,3}$/.test(v)
	}],
	['validate-url', 'Merci de saisir une URL valide.', function (v) 
	{
		//return Validation.get('IsEmpty').test(v) || /^(http|https|ftp):\/\/(([A-Z0-9][A-Z0-9_-]*)(\.[A-Z0-9][A-Z0-9_-]*)+)(:(\d+))?\/?/i.test(v)
		return Validation.get('IsEmpty').test(v) || /^(([A-Z0-9][A-Z0-9_-]*)(\.[A-Z0-9][A-Z0-9_-]*)+)(:(\d+))?\/?/i.test(v)
	}],
	['validate-tel', 'Merci de saisir un numéro valide. Ex:0178787878', function(v) 
	{
		return Validation.get('IsEmpty').test(v) || /^(0[1234568])[ \.\-]?[0-9]{2}[ \.\-]?[0-9]{2}[ \.\-]?[0-9]{2}[ \.\-]?[0-9]{2}$/.test(v)
	}],
	['validate-tel-international', 'Merci de saisir un numéro valide. Ex:(00223) 167589721225', function(v) 
	{
		return Validation.get('IsEmpty').test(v) || /^(\([0-9]*\) )?[0-9]*$/.test(v)
	}],
	['validate-selection', 'Veuillez faire une sélection', function(v,elm){
		return elm.options ? elm.selectedIndex > 0 : !Validation.get('IsEmpty').test(v);
	}],
	['validate-datetime', 'Le format de la date et heure est incorrect.', function(v)
	{
		if(!Validation.get('IsEmpty').test(v)) 
		{
			var upper = 31;
			if(/^(\d{2})\/(\d{2})\/(\d{4}) (\d{2})\:(\d{2})\/$/.test(v)) 
			{ 
				alert("tototototo")
				// dd/mm/yyy
				/*if(RegExp.$2 == '02') upper = 29;
				if((RegExp.$1 <= upper) && (RegExp.$2 <= 12) && RegExp.$4 <= 24 && RegExp.$5 <= 60) 
				{
					return true;
				} 
				else 
				{
					return false;
				}
				*/
			} 

			/*
			else 
			{
				return false;
			}*/
		} 

		return true;		
	}],
	['validate-date-au', 'Le format de la date est incorrect.', function(v) 
	{
		if(!Validation.get('IsEmpty').test(v)) 
		{
			var upper = 31;
			if(/^(\d{2})\/(\d{2})\/(\d{4})$/.test(v)) 
			{ // dd/mm/yyy
				if(RegExp.$2 == '02') upper = 29;
				if((RegExp.$1 <= upper) && (RegExp.$2 <= 12)) 
				{
					return true;
				} 
				else 
				{
					return false;
				}
			} 
			else 
			{
				return false;
			}
		} 
		else 
		{
			return true;
		}
	}]	
]);