function urlStatus(url, cb){
    $.ajax({
        url:      url,
        dataType: 'text',
        type:     'GET',
        complete:  function(xhr){
            if(typeof cb === 'function')
               cb.apply(this, [xhr.status]);
        }
    });
}

function checkDownload(url){
  urlStatus(url, function(status) {
    if (status === 200){
	    var working = false;
	    document.getElementById("download").src=url;
    }
    else {
	    var working = true;
            checkDownload(url);
    }
  });
}

function timeSince(obj) {
	last = new Date(Number(obj));
	var seconds = Math.floor((new Date() - last) / 1000);
	interval = Math.floor(seconds / 3600);
	out = "";

	if (interval > 24) return "at " + last.toUTCString().substr(4);
	if (interval > 1) out = interval + " hours ";

	interval = Math.floor(seconds / 60);

	if (seconds < 120) out = seconds + " seconds "
	else if (interval > 1 && interval < 120) out = out + interval + " minutes ";

	if (out) return out + "ago";
	return "";
}

function styleStatus(msg, device) {
	device_status = $("#" + device + "-indicator");
	device_ip = $("#" + device + "-ip");
	device_network = $("#" + device + "-network");
	device_name = $("#" + device + "-name");
	device_id = $("#" + device + "-id");

	device_status.css("color", msg.status == 1 ? "green" : (msg.status == 2 ? "yellow" : (msg.status == 0 ? "red" : "grey")));
	device_status.prop("title", msg.status == 1 ? "Online and in VPN mode" : (msg.status == 2 ? "Online and in local mode" : (msg.status == 0 ? "Offline" : "No information available")));

	if (msg.hasOwnProperty("ip")) {
		device_ip.text(msg.ip + (msg.status == 1 ? "" :" (" + timeSince(msg.time) + ")"));
	};

	if (msg.hasOwnProperty("network")) {
		device_network.text(msg.network.intip + (msg.network.name ? (" (" + msg.network.name + ")") : ""));	
	};

	if (msg.hasOwnProperty("reboot")) {
		device_id.css("font-style", msg.reboot == 1 ? "italic" : "normal")
	};

	if (msg.hasOwnProperty("update")) {
		device_id.css("font-weight", msg.update == 1 ? "bold" : "normal")
	};

	if (msg.hasOwnProperty("name")) {
		device_name.text(msg.name);
	};
};

function updateStatus(device_id) {
	$.getJSON( "/devices/" + device_id + "/ping/", function(json) { styleStatus(json, device_id); });
};

function askdelete(device_id) {
	if (confirm("Are you sure you want to delete this Device?")) window.location.href = "/devices/" + device_id + "/delete";
};

function askdeletewifi(wifi_id) {
	if (confirm("Are you sure you want to delete this WiFi?")) window.location.href = "/wifi/" + wifi_id + "/delete";
};

function askdeleteuser(user_id) {
	if (confirm("Are you sure you want to delete this User?")) window.location.href = "/users/" + user_id + "/delete";
};

function askdeletenet(network_id) {
	if (confirm("Are you sure you want to delete this Network?")) window.location.href = "/networks/" + network_id + "/delete";
};

function askdeleteorga(organization_id) {
	if (confirm("Are you sure you want to delete this Organization? Any associated Networks, WiFis, Devices and Users will also be deleted irreversibly!")) window.location.href = "/organizations/" + organization_id + "/delete";
};

function askreboot(device_id) {
	if (confirm("Are you sure you want to reboot this Device?")) window.location.href = "/devices/" + device_id + "/reboot";
};

function downloadnotice(device_id) {
	if (!working) {
		alert("Your file is being prepared. This might take a minute or two, the download will start automatically when the file is ready. You may close this page and click the download button again later to pick the file up – we will store it for you.");
		checkDownload('/devices/' + device_id + '/download/');
	};
};

function showdevices() {
	$("#devicespart").show();
	$("#wifipart").hide();
	$("#userpart").hide();
	$("#netpart").hide();
	$("#orgapart").hide();

	$("#linkdevices").css("font-weight", "bold");
	$("#linkwifi").css("font-weight", "normal");
	$("#linkusers").css("font-weight", "normal");
	$("#linknets").css("font-weight", "normal");
	$("#linkorgas").css("font-weight", "normal");

	window.history.pushState("", "", "/devices/");
};

function showwifi() {
	$("#devicespart").hide();
	$("#wifipart").show();
	$("#userpart").hide();
        $("#netpart").hide();
        $("#orgapart").hide();


        $("#linkdevices").css("font-weight", "normal");
        $("#linkwifi").css("font-weight", "bold");
        $("#linkusers").css("font-weight", "normal");
        $("#linknets").css("font-weight", "normal");
	$("#linkorgas").css("font-weight", "normal");

	window.history.pushState("", "", "/wifi/");
};

function showusers() {
	$("#devicespart").hide();
	$("#wifipart").hide();
	$("#userpart").show();
        $("#netpart").hide();
	$("#orgapart").hide();

        $("#linkdevices").css("font-weight", "normal");
        $("#linkwifi").css("font-weight", "normal");
        $("#linkusers").css("font-weight", "bold");
        $("#linknets").css("font-weight", "normal");
	$("#linkorgas").css("font-weight", "normal");

	window.history.pushState("", "", "/users/");
};

function shownets() {
        $("#devicespart").hide();
        $("#wifipart").hide();
        $("#userpart").hide();
        $("#netpart").show();
	$("#orgapart").hide();

        $("#linkdevices").css("font-weight", "normal");
        $("#linkwifi").css("font-weight", "normal");
        $("#linkusers").css("font-weight", "normal");
        $("#linknets").css("font-weight", "bold");
	$("#linkorgas").css("font-weight", "normal");

        window.history.pushState("", "", "/networks/");
};

function showorgas() {
        $("#devicespart").hide();
        $("#wifipart").hide();
        $("#userpart").hide();
        $("#netpart").hide();
        $("#orgapart").show();

        $("#linkdevices").css("font-weight", "normal");
        $("#linkwifi").css("font-weight", "normal");
        $("#linkusers").css("font-weight", "normal");
        $("#linknets").css("font-weight", "normal");
        $("#linkorgas").css("font-weight", "bold");

        window.history.pushState("", "", "/organizations/");
};

var page = document.location.pathname.substring(1, document.location.pathname.lastIndexOf('/'));
if (page == "users") showusers();
else if (page == "wifi") showwifi();
else if (page == "networks") shownets();
else if (page == "organizations") showorgas();
else showdevices();

$("div[id$='-indicator']").each(function() {
	device_id = this.id.split("-")[0];
	updateStatus(device_id);
	setInterval(updateStatus, 10000, device_id);
});