$(function() {
// a workaround for a flaw in the demo system (http://dev.jqueryui.com/ticket/4375), ignore!
$("#dialog").dialog("destroy");

var name = $("#name"),
	email = $("#email"),
	message = $("#message"),
	allFields = $([]).add(name).add(email).add(message),
	tips = $(".validateTips");

function updateTips(t) {
	tips
		.text(t)
		.addClass('ui-state-highlight');
	setTimeout(function() {
		tips.removeClass('ui-state-highlight', 1500);
	}, 500);
}

function checkLength(o,n,min,max) {
	if ( o.val().length > max || o.val().length < min ) {
		o.addClass('ui-state-error');
		updateTips("Length of " + n + " must be between "+min+" and "+max+".");
		return false;
	} else {
		return true;
	}
}

function checkRegexp(o,regexp,n) {
	if ( !( regexp.test( o.val() ) ) ) {
		o.addClass('ui-state-error');
		updateTips(n);
		return false;
	} else {
		return true;
	}
}

$("#dialog-form-result").dialog({
	autoOpen: false,
	height: 200,
	width: 350,
	modal: true,
	buttons: {
		Ok: function() {
			$(this).dialog('close');
		}
	}
});

$("#dialog-form").dialog({
	autoOpen: false,
	height: 420,
	width: 350,
	modal: true,
	buttons: {
		'Send Message': function() {
			var bValid = true;
			allFields.removeClass('ui-state-error');

			bValid = bValid && checkLength(name,"username",3,16);
			bValid = bValid && checkLength(email,"email",6,80);
			//bValid = bValid && checkLength(message,"message",5,5000);

			bValid = bValid && checkRegexp(name,/^[a-z]([0-9a-z_])+$/i,"Username may consist of a-z, 0-9, underscores, begin with a letter.");
			bValid = bValid && checkRegexp(email,/^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?$/i,"eg. ui@jquery.com");
			//bValid = bValid && checkRegexp(message,/^[a-z]([0-9a-zA-Z_\.\,\ ])+$/i,"Message field only allow : a-z 0-9, underscores");

			if (bValid) {
				//ajax send message
				$.ajax({
					type: "POST",
					url: "../ajax/message.php",
					data: "rid="+$("#rid").val()+"&uid="+$("#uid").val()+"&name="+name.val()+"&email="+email.val()+"&message="+message.val()+"&action=save",
					success: function(msg){
						$('#dialog-result').html(msg);
						$('#dialog-form-result').dialog('open');
					}
				});
				$(this).dialog('close');
			}
		},
		Cancel: function() {
			$(this).dialog('close');
		}
	},
	close: function() {
		allFields.val('').removeClass('ui-state-error');
	}
});

$("a[id^='contact-user']")
	.click(function() {
		$('#dialog-form').dialog('open');
	});
});