var loggedIn;

$(document).ready(function () {
	
	var validateTips;
	
	loginCheck();
	
	$("#search").submit(function() {
		var phrase = $(this).serialize();
		window.location = "/?" + phrase;
		return false;
	});
	
	$("#tag-search").submit(function() {
		var tag = $(this).serialize().replace("+", "_");
		window.location = "/?" + tag;
		return false;
	});
	
	$(".register-button").live("click", function() {
		validateTips = $("#register-validate-tips");
		$("#register-dialog").dialog("open");
	});
	
	$(".login-button").live("click", function() {
		validateTips = $("#login-validate-tips");
		$("#login-dialog").dialog("open");
	});
	
	$("#register-dialog").dialog({
		bgiframe: true,
		autoOpen: false,
		width: 255,
		modal: true,
		buttons: {
			'Cancel': function() {
				$(this).dialog("close");
			},
			'Register': function() {
				$("#register-dialog form input").removeClass("ui-state-error");
				
				var username = $("#register-username"),
					password = $("#register-password"),
					password2 = $("#register-password2"),
					email = $("#register-email");
				
				var bValid = true;
				bValid = bValid && checkLength(username, 5, 30);
				bValid = bValid && checkLength(password, 6, 30);
				bValid = bValid && checkLength(password2, 6, 30);
				bValid = bValid && checkLength(email, 6, 30);
				bValid = bValid && checkRegexp(username, /^[a-z]([0-9a-z_])+$/i, "Username may consists of a-z, 0-9, underscores, begin with a letter.");
				bValid = bValid && checkRegexp(password, /^([0-9a-zA-Z])+$/, "Password field only allows : a-z 0-9");
				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. milan@funatico.com");
				
				if(bValid) {
					var params = $("#register-dialog form").serialize();
					$.ajax({
						cache: true,
						type: "POST",
						url: "../ajax/register.php",
						data: params,
						success: function(html) {
							if(html == "") {
								$("#register-dialog").dialog("close");
								$("#register-dialog").trigger("logged");
								loggedIn = true;
							}
							else {
								updateTips(html);
							}
						}
					});
				}
			}
		},
		close: function() {
			$("#register-dialog form input").val("").removeClass("ui-state-error");
		}
	});
	
	$("#login-dialog").dialog({
		bgiframe: true,
		autoOpen: false,
		width: 255,
		modal: true,
		buttons: {
			'Cancel': function() {
				$(this).dialog("close");
			},
			'Login': function() {
				$("#login-dialog form input").removeClass("ui-state-error");
				
				var username = $("#login-username"),
					password = $("#login-password");
				
				var bValid = true;
				bValid = bValid && checkLength(username, 5, 30);
				bValid = bValid && checkLength(password, 6, 30);
				
				if(bValid) {
					var params = $("#login-dialog form").serialize();
					$.ajax({
						cache: true,
						type: "POST",
						url: "../ajax/login.php",
						data: params,
						success: function(html) {
							if(html == "") {
								$("#login-dialog").dialog("close");
								$("#login-dialog").trigger("logged");
								loggedIn = true;
								//$("#login-dialog").trigger("loggedIn");
							}
							else {
								updateTips(html);
							}
						}
					});
				}
			}
		},
		close: function() {
			$("#register-dialog form input").val("").removeClass("ui-state-error");
		}
	});
	
	function updateTips(t) {
		validateTips.text(t).effect("highlight", {}, 1500);
	}
	
	function checkLength(field, min, max) {
		if ( field.val().length > max || field.val().length < min ) {
			field.addClass("ui-state-error");
			if(field.val().length == 0)
			{
				updateTips("Field is required.");
			}
			else
			{
				updateTips("Field consists of minimum " + min + " letters.");
			}
			return false;
		} else {
			return true;
		}
	}
	
	function checkRegexp(field, regexp, message) {
		if (!(regexp.test(field.val()))) {
			field.addClass('ui-state-error');
			updateTips(message);
			return false;
		} else {
			return true;
		}
	}
	
});

function loginCheck() {
	$.ajax({
		cache: true,
		type: "POST",
		url: "../ajax/loginCheck.php",
		success: function(html) {
			if(html == "") {
				loggedIn = false;
			}
			else {
				loggedIn = true;
			}
		}
	});
}