/*indoc form validation - add on load*/

$('document').ready(function(){
	//get all form elements which need to be validated
	$('.formrow input').bind('blur',validateFormElementEvent);
	$('.formrow select').bind('blur',validateFormElementEvent);
	$('.formrow textarea').bind('blur',validateFormElementEvent);
	$('.formrow .submit').bind('click',validateAllForm);
	
	function validateFormElementEvent(event){
		if($(event.target).attr('type')!="submit"){
			validateFormElement(event.target,false);
		}
	}
	
	function validateFormElement(target,instant){
		//first remove all current errors
		var fieldName=$(target).attr('name');
		var error;
		if(fieldName){
			//get validation type
			var validationType=fieldName.replace(/[^_]+_/,'');
			if(validationType=="_mandatory" && $(target).val()=="" ){
				error="You must fill out this field";
			}
			if(validationType=="_email" && !$(target).val().match(/^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/)){
				error="This must contain an email address";
			}
			if(validationType=="_phone" && !$(target).val().match(/[0-9 .()+-]{6,20}/)){
				error="This must contain a telephone number";
			}
			if(validationType=="_url"  && !$(target).val().match(/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/)){
				error="This must contain a website address";
			}
			if(validationType=="_age" && (parseInt($(target).val()))>0 && (parseInt($(target).val()))<160 ){
				error="This must contain an age";
			}
			if(validationType=="_number" && ($(target).val().match(/[^0-9\., ]+/) || $(target).val().length<1)){
				error="This must contain a number ";
			}
		}
		if(error){
			//absolutely postion an error near field?, then set a timer to remove them all after 5 seconds?

			if($(target).parent().find('.formError').length==0){
				$(target).after('<div class="formError">'+error+'</div>');		
				$(target).next().fadeIn(1000);	
			}
		}else{
			//add tick?
			$(target).parent().addClass('valid');
			if(instant){
				$(target).parent().find('.formError').remove();
			}else{
				$(target).parent().find('.formError').fadeOut(1000,function(){	
					$(this).remove();
				});
			}

		}
	}
	
	function validateAllForm(event){
		$(event.target).parents('form').find('input').each(function(index){
			if($(this).attr('type')!="submit" && $(this).attr('type')!="hidden"){
			 	validateFormElement($(this),true);
			 }
		});
		$(event.target).parents('form').find('textarea').each(function(index){
			 validateFormElement($(this),true);
		});
		$(event.target).parents('form').find('select').each(function(index){
			 validateFormElement($(this),true);
		});
		if($(event.target).parents('form').find('.formError').length>0){
			alert('Please correct the errors in the form before sending');
			event.preventDefault();
			return false;
		}
	}
	
	
	
	
});