function core52_form_getProperties(obj) {
	var i, v;
	var count = 0;
	var props = [];
	if (typeof(obj) === 'object') {
		for (i in obj) {
			v = obj[i];
			if (v !== undefined && typeof(v) !== 'function') {
				props[count] = i;
				count++;
			}
		}
	}
	return props;
};


function core52_form_doSubmit(target) {
	$(target).unbind();
	if($('input:submit', $(target)).length == 0) {
		$(target).append('<input type="submit" name="submit" value="submit" style="display:none;" />');
	}
	$('input:submit', $(target)).eq(0).attr('value', 'Please wait...').click();
}


$(document).ready(function() {
	
	$('input:text').setMask();
	
	
	
	$('form:not(.noscript)').bind('submit', function(e) {
		
		var target = e.target;
		var ajax = false;
		
		if(target.is_validated) {
			return;
		}
		
		e.stopPropagation();
		e.preventDefault();
		/*
		// if each field has already been validated, don't validate again
		var fields_not_validated = $('input:not(.noscript),select:not(.noscript),textarea:not(.noscript)', $(target))
			.filter(':not(:submit)')
			.filter(':not([is_validated="true"])')
			.length;
		
		console.log(fields_not_validated);
		if(fields_not_validated == 0) {
			
			core52_form_doSubmit(target);
			
		} else {
		*/
		
		
		
			// validate the entire form, recieves JSON data back
			$.post(
				target.action,
				$(target).serialize() + '&__validate=all', 
				function(data) {
					
					ajax = true;
					
					// don't proceed if errors found
					if(core52_form_getProperties(data).length > 0 || $('input.error,select.error,textarea.error', $(target)).length > 0) {
						
						if(core52_form_getProperties(data).length > 0) {
							var first_row = false;
							for(var row in data) {
								if(!first_row) first_row = target[row];
								core52_form_field_callback(target[row], data);
							}
							$(first_row).focus().select();
						}
						
						alert('The form is not complete, please fix any errors and try again.');
						return false;
						
					} else {
						
						core52_form_doSubmit(target);
						
					}
					
				},
				'json'
			);
			
		/*}*/

	});
	
	
	$('input:not(.noscript),select:not(.noscript),textarea:not(.noscript)').filter(':not(:submit)').bind('blur', function(e) {
		var target = e.target;
		
		// indicates which field to validate
		var form_data = $(target.form).serialize() + '&__validate=' + target.name;
		
		// validate the form field, recieves JSON data back
		$.post(
			target.form.action,
			form_data, 
			function(data) {
				core52_form_field_callback(target, data);
			},
			'json'
		);
	});
	
	
	// if a form field value changes, cause the validator to refocus on
	// the field if a validation error occurs
	$('input:not(.noscript),select:not(.noscript),textarea:not(.noscript)').filter(':not(:submit)').bind('change', function(e) {
		var target = e.target;
		target.is_focused = false;
	});
	
});


function core52_form_field_callback(target, data) {
	
	// don't process fields with the 'noscript' class set
	if($(target).hasClass('noscript')) return;
	
	// got an error?
	if(typeof data[target.name] !== 'undefined' && data[target.name].length > 0) {
		
		if($(target).siblings('.error.'+target.name).length == 0) {
			// prepend error element if none exists
			$(target).parent().append(data[target.name]);
		} else {
			// show the error
			$(target).siblings('.error.'+target.name).replaceWith(data[target.name]);
		}
		
		$(target).addClass('error');
		
		// focus the field without being evil :P
		if(!target.is_focused) {
			$(target).focus().select();
			target.is_focused = true;
		} else {
			target.is_focused = false;
		}
		
		$(target).attr('is_validated', 'false');
		
	} else {
		
		// clear error message and class
		$(target).siblings('.error.'+target.name).remove();
		$(target).removeClass('error');
		target.is_focused = false;
		$(target).attr('is_validated', 'true');
		
	}
}