var Validate = new Class({
	
	getOptions: function(){
		return {
			validateOnBlur: true,
			errorClass: 'error',
			errorMsgClass: 'errorMessage',
			dateFormat: 'dd/MM/yy',
			onFail: Class.empty,
			onSuccess: false,
			showErrorsInline: true,
			label: 'Please wait...'
		};
	},
	
	initialize: function(form, options){
		this.setOptions(this.getOptions(), options);
		
		this.form = $(form);
		this.elements = this.form.getElements('.val');
		
		this.list = [];
		
		this.elements.each(function(el,i){
			if(this.options.validateOnBlur){
				el.addEvent('blur', this.validate.bind(this, el));
			}
		}.bind(this));
		
		this.form.addEvent('submit', function(e){											
			var event = new Event(e);
			var doSubmit = true;
			this.elements.each(function(el,i){
				if(! this.validate(el)){
					event.stop();
					doSubmit = false
					this.list.include(el);
				}else{
					this.list.remove(el);
				}
			}.bind(this));
			
			if(doSubmit){
				if(this.options.onSuccess){
					event.stop();
					this.options.onSuccess(this.form);
				}else{
					this.form.getElement('input[type=submit]').setProperty('value',this.options.label);
				}
			}else{
				this.options.onFail(this.getList());
			}
			
		}.bind(this));
		
	},
	
	getList: function(){
		var list = new Element('ul');
		this.list.each(function(el,i){
			if(el.title != ''){
			var li = new Element('li').injectInside(list);
			new Element('label').setProperty('for', el.id).setText(el.title).injectInside(li);
			}
		});
		return list;
	},
	validate: function(el){
		var valid = true;
		this.clearMsg(el);
		switch(el.type){
			case 'text':
			case 'file':
			case 'password':
			case 'textarea':
			case 'select-one':
			if(el.getStyle('display')=='inline')
			
				if(el.value){
					if(el.hasClass('email')){
						var regEmail = /^[A-Z0-9._%-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/;
						if(el.value.toUpperCase().match(regEmail)){
							valid = true;
						}else{
							valid = false;
							this.setMsg(el, 'Please enter a valid email address');
						}
					}
					if(el.hasClass('number')){
						var regNum = /[-+]?[0-9]*\.?[0-9]+/;
						if(el.value.match(regNum)){
							valid = true;
						}else{
							valid = false;
							this.setMsg(el, 'Please enter a valid number');
						}
					}
					if(el.hasClass('checkdate')){
						alert('asdfsfd');
						
					}
					
					if(el.hasClass('brows')){
						var len = el.value.length;
						var a= el.value.slice(len-4,len);
					   if ( a == ".jpg" || a == ".png" || a ==".jpg" || a ==".tif"  || a == ".gif" ||  a == ".JPG" || a == ".TIF" ||  a == ".PNG" || a == ".GIF" )
					   {
						   valid=true;
						}else{
							valid = false;
							this.setMsg(el, 'Please select only image file');
						}
					}
					if(el.hasClass('files')){
						
						var len = el.value.length;
						var a= el.value.slice(len-4,len);
					   if ( a == ".pdf" ||  a == ".PDF" || a==".doc" || a==".DOC" || a==".docx" || a==".DOCX"  || a==".xls" || a==".XLS" )
					   {
						   valid=true;
						}else{
							valid = false;
							this.setMsg(el, 'Please select DOC/PDF/XLS file');
						}
					}
					
					
					if(el.hasClass('url')){
						//var regNum = /^(http)\:\/\/\w+([\.\-]\w+)*\.\w{2,4}(\:\d+)*([\/\.\-\?\&\%\#]\w+)*\/?$/;
						var regNum = /^(([\w]+:)?\/\/)?(([\d\w]|%[a-fA-f\d]{2,2})+(:([\d\w]|%[a-fA-f\d]{2,2})+)?@)?([\d\w][-\d\w]{0,253}[\d\w]\.)+[\w]{2,4}(:[\d]+)?(\/([-+_~.\d\w]|%[a-fA-f\d]{2,2})*)*(\?(&?([- +_~.\d\w]|%[a-fA-f\d]{2,2})=?)*)?(#([-+_~.\d\w]|%[a-fA-f\d]{2,2})*)?$/; 
						if(el.value.match(regNum)){
							valid = true;
						}else{
							valid = false;
							this.setMsg(el, 'Please enter a valid URL');
						}
					}
					
					if(el.hasClass('phone')){
						var regPh=/^[0-9]{3}[-][0-9]{3}[-][0-9]{4}$/;
						if(el.value.match(regPh)){
							valid = true;
						}else{
							valid = false;
							this.setMsg(el, 'Phone Number Format Should be 999-999-9999');
						}
					}
					
					if(el.hasClass('name')){
						var regNam=/^[a-zA-Z][a-zA-Z 0-9]{2,49}$/;
						
						if(el.value.match(regNam)){
							valid = true;
						}else{
							valid = false;
							this.setMsg(el, 'Your Name must begin with a letter. Use 3 to 30 characters');
						}
					}
					
					if(el.hasClass('password')){
						var regPas=/^\S{4,49}$/;
						if(el.value.match(regPas)){
							valid = true;
						}else{
							valid = false;
							this.setMsg(el, '(Capitalisation matters. Use 4 to 30 characters, no spaces)');
						}
					}

					if(el.hasClass('repass')){
							if(el.value == this.form.password.value){
								
								valid = true;
							}
							else{
								valid = false;
								this.setMsg(el, 'Please verify your password again');
							}
					}
					
					
					if(el.hasClass('review')){
						var regNam=/^[a-zA-Z][a-zA-Z0-9]$/;
						if(el.value.match(regNam)){
							var aaa = valid = true;
							
						}//else{
//							valid = false;
//							this.setMsg(el, 'Please Enter Your Reviews');
//						}
					}
					
					if(el.hasClass('postcode')){
						var regPC = /^([Gg][Ii][Rr] 0[Aa]{2})|((([A-Za-z][0-9]{1,2})|(([A-Za-z][A-Ha-hJ-Yj-y][0-9]{1,2})|(([A-Za-z][0-9][A-Za-z])|([A-Za-z][A-Ha-hJ-Yj-y][0-9]?[A-Za-z])))) [0-9][A-Za-z]{2})$/
						if(el.value.match(regPC)){
							valid = true;
						}else{
							valid = false;
							this.setMsg(el, 'Please enter a valid postcode');
						}
					}
					
					if(el.hasClass('date')){
						var d = Date.parseExact(el.value, this.options.dateFormat);
						
						if(d != null){
							valid = true;
						}else{
							valid = false;
							this.setMsg(el, 'Please enter a valid date in the format: '+this.options.dateFormat.toLowerCase());
						}
					}
					
				}else{
					if(el.hasClass('req')){
						valid = false;
						this.setMsg(el);
					}
				}
				break;

			case 'checkbox':
				if(!el.checked){
					valid = false;
					this.setMsg(el);
				}else{
					valid = true;
				}
				break;
				
			case 'radio':
				var rad = $A(this.form[el.name]);
				var ok = false;
				rad.each(function(e,i){
					if(e.checked){
						ok = true;
					}
				});
				if(!ok){
					valid = false;
					this.setMsg(rad.getLast(), 'Please select an option');
				}else{
					valid = true;
					this.clearMsg(rad.getLast());
				}
				
				break;
				
		}
		
		return valid;
	},
	
	setMsg: function(el, msg){
		if(msg == undefined){
			msg = el.title;
		}
		if(this.options.showErrorsInline){
			if(el.error == undefined){
				el.error = new Element('span').addClass(this.options.errorMsgClass).setText(msg).injectAfter(el);
			}else{
				el.error.setText(msg);
			}
			el.addClass(this.options.errorClass);
		}
	},
	
	clearMsg: function(el){
		el.removeClass(this.options.errorClass);
		if(el.error != undefined){
			el.error.remove();
			el.error = undefined;
		}
	}
	
});

Validate.implement(new Options);
Validate.implement(new Events);


/*************************************************************/