var websock;
var password = false;
var maxNetworks;
var maxSchedules;
var messages = [];
var free_size = 0;

var urls = {};

var numChanged = 0;
var numReboot = 0;
var numReconnect = 0;
var numReload = 0;

var useWhite = false;
var useCCT = false;

var now = 0;
var ago = 0;

<!-- removeIf(!rfm69)-->
var packets;
var filters = [];
<!-- endRemoveIf(!rfm69)-->

// -----------------------------------------------------------------------------
// Messages
// -----------------------------------------------------------------------------

function initMessages() {
    messages[1]  = "Remote update started";
    messages[2]  = "OTA update started";
    messages[3]  = "Error parsing data!";
    messages[4]  = "The file does not look like a valid configuration backup or is corrupted";
    messages[5]  = "Changes saved. You should reboot your board now";
    messages[7]  = "Passwords do not match!";
    messages[8]  = "Changes saved";
    messages[9]  = "No changes detected";
    messages[10] = "Session expired, please reload page...";
}

<!-- removeIf(!sensor)-->
function sensorName(id) {
    var names = [
        "DHT", "Dallas", "Emon Analog", "Emon ADC121", "Emon ADS1X15",
        "HLW8012", "V9261F", "ECH1560", "Analog", "Digital",
        "Events", "PMSX003", "BMX280", "MHZ19", "SI7021",
        "SHT3X I2C", "BH1750", "PZEM004T", "AM2320 I2C", "GUVAS12SD",
        "TMP3X", "Sonar", "SenseAir", "GeigerTicks", "GeigerCPM",
        "NTC", "SDS011", "MICS2710", "MICS5525", "VL53L1X", "VEML6075",
        "EZOPH"
    ];
    if (1 <= id && id <= names.length) {
        return names[id - 1];
    }
    return null;
}

function magnitudeType(type) {
    var types = [
        "Temperature", "Humidity", "Pressure",
        "Current", "Voltage", "Active Power", "Apparent Power",
        "Reactive Power", "Power Factor", "Energy", "Energy (delta)",
        "Analog", "Digital", "Event",
        "PM1.0", "PM2.5", "PM10", "CO2", "Lux", "UVA", "UVB", "UV Index", "Distance" , "HCHO",
        "Local Dose Rate", "Local Dose Rate",
        "Count",
        "NO2", "CO", "Resistance", "pH"
    ];
    if (1 <= type && type <= types.length) {
        return types[type - 1];
    }
    return null;
}

function magnitudeError(error) {
    var errors = [
        "OK", "Out of Range", "Warming Up", "Timeout", "Wrong ID",
        "Data Error", "I2C Error", "GPIO Error", "Calibration error"
    ];
    if (0 <= error && error < errors.length) {
        return errors[error];
    }
    return "Error " + error;
}
<!-- endRemoveIf(!sensor)-->

// -----------------------------------------------------------------------------
// Utils
// -----------------------------------------------------------------------------

$.fn.enterKey = function (fnc) {
    return this.each(function () {
        $(this).keypress(function (ev) {
            var keycode = parseInt(ev.keyCode ? ev.keyCode : ev.which, 10);
            if (13 === keycode) {
                return fnc.call(this, ev);
            }
        });
    });
};

function keepTime() {

    $("span[name='ago']").html(ago);
    ago++;

    if (0 === now) { return; }
    var date = new Date(now * 1000);
    var text = date.toISOString().substring(0, 19).replace("T", " ");
    $("input[name='now']").val(text);
    $("span[name='now']").html(text);
    now++;

}

function zeroPad(number, positions) {
    var zeros = "";
    for (var i = 0; i < positions; i++) {
        zeros += "0";
    }
    return (zeros + number).slice(-positions);
}

function loadTimeZones() {

    var time_zones = [
        -720, -660, -600, -570, -540,
        -480, -420, -360, -300, -240,
        -210, -180, -120, -60, 0,
        60, 120, 180, 210, 240,
        270, 300, 330, 345, 360,
        390, 420, 480, 510, 525,
        540, 570, 600, 630, 660,
        720, 765, 780, 840
    ];

    for (var i in time_zones) {
        var value = time_zones[i];
        var offset = value >= 0 ? value : -value;
        var text = "GMT" + (value >= 0 ? "+" : "-") +
            zeroPad(parseInt(offset / 60, 10), 2) + ":" +
            zeroPad(offset % 60, 2);
        $("select[name='ntpOffset']").append(
            $("<option></option>").
                attr("value",value).
                text(text));
    }

}

function validatePassword(password) {
    // http://www.the-art-of-web.com/javascript/validate-password/
    // at least one lowercase and one uppercase letter or number
    // at least eight characters (letters, numbers or special characters)

    // MUST be 8..63 printable ASCII characters. See:
    // https://en.wikipedia.org/wiki/Wi-Fi_Protected_Access#Target_users_(authentication_key_distribution)
    // https://github.com/xoseperez/espurna/issues/1151

    var re_password = /^(?=.*[A-Z\d])(?=.*[a-z])[\w~!@#$%^&*\(\)<>,.\?;:{}\[\]\\|]{8,63}$/;
    return (
        (password !== undefined)
        && (typeof password === "string")
        && (password.length > 0)
        && re_password.test(password)
    );
}

function validateFormPasswords(form) {
    var passwords = $("input[name='adminPass1'],input[name='adminPass2']", form);
    var adminPass1 = passwords.first().val(),
        adminPass2 = passwords.last().val();

    var formValidity = passwords.first()[0].checkValidity();
    if (formValidity && (adminPass1.length === 0) && (adminPass2.length === 0)) {
        return true;
    }

    var validPass1 = validatePassword(adminPass1),
        validPass2 = validatePassword(adminPass2);

    if (formValidity && validPass1 && validPass2) {
        return true;
    }

    if (!formValidity || (adminPass1.length > 0 && !validPass1)) {
        alert("The password you have entered is not valid, it must be 8..63 characters and have at least 1 lowercase and 1 uppercase / number!");
    }

    if (adminPass1 !== adminPass2) {
        alert("Passwords are different!");
    }

    return false;
}

function validateFormHostname(form) {
    // RFCs mandate that a hostname's labels may contain only
    // the ASCII letters 'a' through 'z' (case-insensitive),
    // the digits '0' through '9', and the hyphen.
    // Hostname labels cannot begin or end with a hyphen.
    // No other symbols, punctuation characters, or blank spaces are permitted.

    // Negative lookbehind does not work in Javascript
    // var re_hostname = new RegExp('^(?!-)[A-Za-z0-9-]{1,31}(?<!-)$');

    var re_hostname = new RegExp('^(?!-)[A-Za-z0-9-]{0,30}[A-Za-z0-9]$');

    var hostname = $("input[name='hostname']", form);
    if ("true" !== hostname.attr("hasChanged")) {
        return true;
    }

    if (re_hostname.test(hostname.val())) {
        return true;
    }

    alert("Hostname cannot be empty and may only contain the ASCII letters ('A' through 'Z' and 'a' through 'z'), the digits '0' through '9', and the hyphen ('-')! They can neither start or end with an hyphen.");

    return false;
}

function validateForm(form) {
    return validateFormPasswords(form) && validateFormHostname(form);
}

function getValue(element) {

    if ($(element).attr("type") === "checkbox") {
        return $(element).prop("checked") ? 1 : 0;
    } else if ($(element).attr("type") === "radio") {
        if (!$(element).prop("checked")) {
            return null;
        }
    }

    return $(element).val();

}

function addValue(data, name, value) {

    // These fields will always be a list of values
    var is_group = [
        "ssid", "pass", "gw", "mask", "ip", "dns",
        "schEnabled", "schSwitch","schAction","schType","schHour","schMinute","schWDs","schUTC",
        "relayBoot", "relayPulse", "relayTime",
        "mqttGroup", "mqttGroupInv", "relayOnDisc",
        "dczRelayIdx", "dczMagnitude",
        "tspkRelay", "tspkMagnitude",
        "ledMode",
        "adminPass",
        "node", "key", "topic"
    ];


    // join both adminPass 1 and 2
    if (name.startsWith("adminPass")) {
        name = "adminPass";
    }

    if (name in data) {
        if (!Array.isArray(data[name])) {
            data[name] = [data[name]];
        }
        data[name].push(value);
    } else if (is_group.indexOf(name) >= 0) {
        data[name] = [value];
    } else {
        data[name] = value;
    }

}

function getData(form) {

    var data = {};

    // Populate data
    $("input,select", form).each(function() {
        var name = $(this).attr("name");
        var value = getValue(this);
        if (null !== value) {
            addValue(data, name, value);
        }
    });

    // Post process
    addValue(data, "schSwitch", 0xFF);
    delete data["filename"];
    delete data["rfbcode"];

    return data;

}

function randomString(length, args) {
    if (typeof args === "undefined") {
        args = {
            lowercase: true,
            uppercase: true,
            numbers: true,
            special: true
        }
    }

    var mask = "";
    if (args.lowercase) { mask += "abcdefghijklmnopqrstuvwxyz"; }
    if (args.uppercase) { mask += "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; }
    if (args.numbers || args.hex) { mask += "0123456789"; }
    if (args.hex) { mask += "ABCDEF"; }
    if (args.special) { mask += "~`!@#$%^&*()_+-={}[]:\";'<>?,./|\\"; }

    var source = new Uint32Array(length);
    var result = new Array(length);

    window.crypto.getRandomValues(source).forEach(function(value, i) {
        result[i] = mask[value % mask.length];
    });

    return result.join("");
}

function generateAPIKey() {
    var apikey = randomString(16, {hex: true});
    $("input[name='apiKey']").val(apikey);
    return false;
}

function generatePassword() {
    var password = "";
    do {
        password = randomString(10);
    } while (!validatePassword(password));

    return password;
}

function toggleVisiblePassword() {
    var elem = this.previousElementSibling;
    if (elem.type === "password") {
        elem.type = "text";
    } else {
        elem.type = "password";
    }
    return false;
}

function doGeneratePassword() {
    $("input", $("#formPassword"))
        .val(generatePassword())
        .each(function() {
            this.type = "text";
        });
    return false;
}

function getJson(str) {
    try {
        return JSON.parse(str);
    } catch (e) {
        return false;
    }
}

// -----------------------------------------------------------------------------
// Actions
// -----------------------------------------------------------------------------

function sendAction(action, data) {
    websock.send(JSON.stringify({action: action, data: data}));
}

function sendConfig(data) {
    websock.send(JSON.stringify({config: data}));
}

function setOriginalsFromValues(force) {
    var force = (true === force);
    $("input,select").each(function() {
        var initial = (undefined === $(this).attr("original"));
        if (force || initial) {
            $(this).attr("original", $(this).val());
        }
    });
}

function resetOriginals() {
    setOriginalsFromValues(true);
    numReboot = numReconnect = numReload = 0;
}

function doReload(milliseconds) {
    setTimeout(function() {
        window.location.reload();
    }, parseInt(milliseconds, 10));
}

/**
 * Check a file object to see if it is a valid firmware image
 * The file first byte should be 0xE9
 * @param  {file}       file        File object
 * @param  {Function}   callback    Function to call back with the result
 */
function checkFirmware(file, callback) {

    var reader = new FileReader();

    reader.onloadend = function(evt) {
        if (FileReader.DONE === evt.target.readyState) {
            if (0xE9 !== evt.target.result.charCodeAt(0)) callback(false);
            if (0x03 !== evt.target.result.charCodeAt(2)) {
                var response = window.confirm("Binary image is not using DOUT flash mode. This might cause resets in some devices. Press OK to continue.");
                callback(response);
            } else {
                callback(true);
            }
        }
    };

    var blob = file.slice(0, 3);
    reader.readAsBinaryString(blob);

}

function doUpgrade() {

    var file = $("input[name='upgrade']")[0].files[0];

    if (typeof file === "undefined") {
        alert("First you have to select a file from your computer.");
        return false;
    }

    if (file.size > free_size) {
        alert("Image it too large to fit in the available space for OTA. Consider doing a two-step update.");
        return false;
    }

    checkFirmware(file, function(ok) {

        if (!ok) {
            alert("The file does not seem to be a valid firmware image.");
            return;
        }

        var data = new FormData();
        data.append("upgrade", file, file.name);

        $.ajax({

            // Your server script to process the upload
            url: urls.upgrade.href,
            type: "POST",

            // Form data
            data: data,

            // Tell jQuery not to process data or worry about content-type
            // You *must* include these options!
            cache: false,
            contentType: false,
            processData: false,

            success: function(data, text) {
                $("#upgrade-progress").hide();
                if ("OK" === data) {
                    alert("Firmware image uploaded, board rebooting. This page will be refreshed in 5 seconds.");
                    doReload(5000);
                } else {
                    alert("There was an error trying to upload the new image, please try again (" + data + ").");
                }
            },

            // Custom XMLHttpRequest
            xhr: function() {
                $("#upgrade-progress").show();
                var myXhr = $.ajaxSettings.xhr();
                if (myXhr.upload) {
                    // For handling the progress of the upload
                    myXhr.upload.addEventListener("progress", function(e) {
                        if (e.lengthComputable) {
                            $("progress").attr({ value: e.loaded, max: e.total });
                        }
                    } , false);
                }
                return myXhr;
            }

        });

    });

    return false;

}

function doUpdatePassword() {
    var form = $("#formPassword");
    if (validateFormPasswords(form)) {
        sendConfig(getData(form));
    }
    return false;
}

function checkChanges() {

    if (numChanged > 0) {
        var response = window.confirm("Some changes have not been saved yet, do you want to save them first?");
        if (response) {
            doUpdate();
        }
    }

}

function doAction(question, action) {

    checkChanges();

    if (question) {
        var response = window.confirm(question);
        if (false === response) {
            return false;
        }
    }

    sendAction(action, {});
    doReload(5000);
    return false;

}

function doReboot(ask) {

    var question = (typeof ask === "undefined" || false === ask) ?
        null :
        "Are you sure you want to reboot the device?";
    return doAction(question, "reboot");

}

function doReconnect(ask) {

    var question = (typeof ask === "undefined" || false === ask) ?
        null :
        "Are you sure you want to disconnect from the current WIFI network?";
    return doAction(question, "reconnect");

}

function doUpdate() {

    var forms = $(".form-settings");
    if (validateForm(forms)) {

        // Get data
        sendConfig(getData(forms));

        // Empty special fields
        $(".pwrExpected").val(0);
        $("input[name='snsResetCalibration']").prop("checked", false);
        $("input[name='pwrResetCalibration']").prop("checked", false);
        $("input[name='pwrResetE']").prop("checked", false);

        // Change handling
        numChanged = 0;
        setTimeout(function() {

            var response;

            if (numReboot > 0) {
                response = window.confirm("You have to reboot the board for the changes to take effect, do you want to do it now?");
                if (response) { doReboot(false); }
            } else if (numReconnect > 0) {
                response = window.confirm("You have to reconnect to the WiFi for the changes to take effect, do you want to do it now?");
                if (response) { doReconnect(false); }
            } else if (numReload > 0) {
                response = window.confirm("You have to reload the page to see the latest changes, do you want to do it now?");
                if (response) { doReload(0); }
            }

            resetOriginals();

        }, 1000);

    }

    return false;

}

function doBackup() {
    document.getElementById("downloader").src = urls.config.href;
    return false;
}

function onFileUpload(event) {

    var inputFiles = this.files;
    if (typeof inputFiles === "undefined" || inputFiles.length === 0) {
        return false;
    }
    var inputFile = inputFiles[0];
    this.value = "";

    var response = window.confirm("Previous settings will be overwritten. Are you sure you want to restore this settings?");
    if (!response) {
        return false;
    }

    var reader = new FileReader();
    reader.onload = function(e) {
        var data = getJson(e.target.result);
        if (data) {
            sendAction("restore", data);
        } else {
            window.alert(messages[4]);
        }
    };
    reader.readAsText(inputFile);

    return false;

}

function doRestore() {
    if (typeof window.FileReader !== "function") {
        alert("The file API isn't supported on this browser yet.");
    } else {
        $("#uploader").click();
    }
    return false;
}

function doFactoryReset() {
    var response = window.confirm("Are you sure you want to restore to factory settings?");
    if (response === false) {
        return false;
    }
    sendAction("factory_reset", {});
    doReload(5000);
    return false;
}

function doToggle(id, value) {
    sendAction("relay", {id: id, status: value ? 1 : 0 });
    return false;
}

function doScan() {
    $("#scanResult").html("");
    $("div.scan.loading").show();
    sendAction("scan", {});
    return false;
}

function doHAConfig() {
    $("#haConfig")
        .text("")
        .height(0)
        .show();
    sendAction("haconfig", {});
    return false;
}

function doDebugCommand() {
    var el = $("input[name='dbgcmd']");
    var command = el.val();
    el.val("");
    sendAction("dbgcmd", {command: command});
    return false;
}

function doDebugClear() {
    $("#weblog").text("");
    return false;
}

<!-- removeIf(!rfm69)-->

function doClearCounts() {
    sendAction("clear-counts", {});
    return false;
}

function doClearMessages() {
    packets.clear().draw(false);
    return false;
}

function doFilter(e) {
    var index = packets.cell(this).index();
    if (index == 'undefined') return;
    var c = index.column;
    var column = packets.column(c);
    if (filters[c]) {
        filters[c] = false;
        column.search("");
        $(column.header()).removeClass("filtered");
    } else {
        filters[c] = true;
        var data = packets.row(this).data();
        if (e.which == 1) {
            column.search('^' + data[c] + '$', true, false );
        } else {
            column.search('^((?!(' + data[c] + ')).)*$', true, false );
        }
        $(column.header()).addClass("filtered");
    }
    column.draw();
    return false;
}

function doClearFilters() {
    for (var i = 0; i < packets.columns()[0].length; i++) {
        if (filters[i]) {
            filters[i] = false;
            var column = packets.column(i);
            column.search("");
            $(column.header()).removeClass("filtered");
            column.draw();
        }
    }
    return false;
}

<!-- endRemoveIf(!rfm69)-->

// -----------------------------------------------------------------------------
// Visualization
// -----------------------------------------------------------------------------

function toggleMenu() {
    $("#layout").toggleClass("active");
    $("#menu").toggleClass("active");
    $("#menuLink").toggleClass("active");
}

function showPanel() {
    $(".panel").hide();
    if ($("#layout").hasClass("active")) { toggleMenu(); }
    $("#" + $(this).attr("data")).show();
}

// -----------------------------------------------------------------------------
// Relays & magnitudes mapping
// -----------------------------------------------------------------------------

function createRelayList(data, container, template_name) {

    var current = $("#" + container + " > div").length;
    if (current > 0) { return; }

    var template = $("#" + template_name + " .pure-g")[0];
    for (var i in data) {
        var line = $(template).clone();
        $("label", line).html("Switch #" + i);
        $("input", line).attr("tabindex", 40 + i).val(data[i]);
        line.appendTo("#" + container);
    }

}

<!-- removeIf(!sensor)-->
function createMagnitudeList(data, container, template_name) {

    var current = $("#" + container + " > div").length;
    if (current > 0) { return; }

    var template = $("#" + template_name + " .pure-g")[0];
    var size = data.size;

    for (var i=0; i<size; ++i) {
        var line = $(template).clone();
        $("label", line).html(magnitudeType(data.type[i]) + " #" + parseInt(data.index[i], 10));
        $("div.hint", line).html(data.name[i]);
        $("input", line).attr("tabindex", 40 + i).val(data.idx[i]);
        line.appendTo("#" + container);
    }

}
<!-- endRemoveIf(!sensor)-->

// -----------------------------------------------------------------------------
// RFM69
// -----------------------------------------------------------------------------

<!-- removeIf(!rfm69)-->
function addMapping() {
    var template = $("#nodeTemplate .pure-g")[0];
    var line = $(template).clone();
    var tabindex = $("#mapping > div").length * 3 + 50;
    $(line).find("input").each(function() {
        $(this).attr("tabindex", tabindex++);
    });
    $(line).find("button").on('click', delMapping);
    line.appendTo("#mapping");
}

function delMapping() {
    var parent = $(this).parent().parent();
    $(parent).remove();
}
<!-- endRemoveIf(!rfm69)-->

// -----------------------------------------------------------------------------
// Wifi
// -----------------------------------------------------------------------------

function delNetwork() {
    var parent = $(this).parents(".pure-g");
    $(parent).remove();
}

function moreNetwork() {
    var parent = $(this).parents(".pure-g");
    $(".more", parent).toggle();
}

function addNetwork() {

    var numNetworks = $("#networks > div").length;
    if (numNetworks >= maxNetworks) {
        alert("Max number of networks reached");
        return null;
    }

    var tabindex = 200 + numNetworks * 10;
    var template = $("#networkTemplate").children();
    var line = $(template).clone();
    $(line).find("input").each(function() {
        $(this).attr("tabindex", tabindex);
        tabindex++;
    });
    $(".password-reveal", line).on("click", toggleVisiblePassword);
    $(line).find(".button-del-network").on("click", delNetwork);
    $(line).find(".button-more-network").on("click", moreNetwork);
    line.appendTo("#networks");

    return line;

}

// -----------------------------------------------------------------------------
// Relays scheduler
// -----------------------------------------------------------------------------

function delSchedule() {
    var parent = $(this).parents(".pure-g");
    $(parent).remove();
}

function moreSchedule() {
    var parent = $(this).parents(".pure-g");
    $("div.more", parent).toggle();
}

function addSchedule(event) {

    var numSchedules = $("#schedules > div").length;
    if (numSchedules >= maxSchedules) {
        alert("Max number of schedules reached");
        return null;
    }
    var tabindex = 200 + numSchedules * 10;
    var template = $("#scheduleTemplate").children();
    var line = $(template).clone();

    var type = (1 === event.data.schType) ? "switch" : "light";

    template = $("#" + type + "ActionTemplate").children();
    var actionLine = template.clone();
    $(line).find("#schActionDiv").append(actionLine);

    $(line).find("input").each(function() {
        $(this).attr("tabindex", tabindex);
        tabindex++;
    });
    $(line).find(".button-del-schedule").on("click", delSchedule);
    $(line).find(".button-more-schedule").on("click", moreSchedule);
    $(line).find("input[name='schUTC']").prop("id", "schUTC" + (numSchedules + 1))
        .next().prop("for", "schUTC" + (numSchedules + 1));
    $(line).find("input[name='schEnabled']").prop("id", "schEnabled" + (numSchedules + 1))
        .next().prop("for", "schEnabled" + (numSchedules + 1));
    line.appendTo("#schedules");
    $(line).find("input[type='checkbox']").prop("checked", false);

    return line;

}

// -----------------------------------------------------------------------------
// Relays
// -----------------------------------------------------------------------------

function initRelays(data) {

    var current = $("#relays > div").length;
    if (current > 0) { return; }

    var template = $("#relayTemplate .pure-g")[0];
    for (var i=0; i<data.length; i++) {

        // Add relay fields
        var line = $(template).clone();
        $(".id", line).html(i);
        $(":checkbox", line).prop('checked', data[i]).attr("data", i)
            .prop("id", "relay" + i)
            .on("change", function (event) {
                var id = parseInt($(event.target).attr("data"), 10);
                var status = $(event.target).prop("checked");
                doToggle(id, status);
            });
        $("label.toggle", line).prop("for", "relay" + i)
        line.appendTo("#relays");

        // Populate the relay SELECTs
        $("select.isrelay").append(
            $("<option></option>").attr("value",i).text("Switch #" + i));

    }

}

function createCheckboxes() {

    $("input[type='checkbox']").each(function() {

        if($(this).prop("name"))$(this).prop("id", $(this).prop("name"));
        $(this).parent().addClass("toggleWrapper");
        $(this).after('<label for="' + $(this).prop("name") + '" class="toggle"><span class="toggle__handler"></span></label>')

    });

}

function initRelayConfig(data) {

    var current = $("#relayConfig > legend").length; // there is a legend per relay
    if (current > 0) { return; }

    var size = data.size;
    var start = data.start;

    var template = $("#relayConfigTemplate").children();

    for (var i=start; i<size; ++i) {
        var line = $(template).clone();

        $("span.id", line).html(i);
        $("span.gpio", line).html(data.gpio[i]);
        $("select[name='relayBoot']", line).val(data.boot[i]);
        $("select[name='relayPulse']", line).val(data.pulse[i]);
        $("input[name='relayTime']", line).val(data.pulse_time[i]);

        if ("group" in data) {
            $("input[name='mqttGroup']", line).val(data.group[i]);
        }
        if ("group_inv" in data) {
            $("input[name='mqttGroupInv']", line).val(data.group_inv[i]);
        }
        if ("on_disc" in data) {
            $("input[name='relayOnDisc']", line).val(data.on_disc[i]);
        }

        line.appendTo("#relayConfig");
    }

}

// -----------------------------------------------------------------------------
// Sensors & Magnitudes
// -----------------------------------------------------------------------------

<!-- removeIf(!sensor)-->
function initMagnitudes(data) {

    // check if already initialized (each magnitude is inside div.pure-g)
    var done = $("#magnitudes > div").length;
    if (done > 0) { return; }

    var size = data.size;

    // add templates
    var template = $("#magnitudeTemplate").children();

    for (var i=0; i<size; ++i) {
        var line = $(template).clone();
        $("label", line).html(magnitudeType(data.type[i]) + " #" + parseInt(data.index[i], 10));
        $("div.hint", line).html(data.description[i]);
        $("input", line).attr("data", i);
        line.appendTo("#magnitudes");
    }

}
<!-- endRemoveIf(!sensor)-->

// -----------------------------------------------------------------------------
// Lights
// -----------------------------------------------------------------------------

<!-- removeIf(!light)-->

function initColor(rgb) {

    // check if already initialized
    var done = $("#colors > div").length;
    if (done > 0) { return; }

    // add template
    var template = $("#colorTemplate").children();
    var line = $(template).clone();
    line.appendTo("#colors");

    // init color wheel
    $("input[name='color']").wheelColorPicker({
        sliders: (rgb ? "wrgbp" : "whsvp")
    }).on("sliderup", function() {
        if (rgb) {
            var value = $(this).wheelColorPicker("getValue", "css");
            sendAction("color", {rgb: value});
        } else {
            var color = $(this).wheelColorPicker("getColor");
            var value = parseInt(color.h * 360, 10) + "," + parseInt(color.s * 100, 10) + "," + parseInt(color.v * 100, 10);
            sendAction("color", {hsv: value});
        }
    });

}

function initCCT() {

  // check if already initialized
  var done = $("#cct > div").length;
  if (done > 0) { return; }

  $("#miredsTemplate").children().clone().appendTo("#cct");

  $("#mireds").on("change", function() {
    var value = $(this).val();
    var parent = $(this).parents(".pure-g");
    $("span", parent).html(value);
    sendAction("mireds", {mireds: value});
  });
}

function initChannels(num) {

    // check if already initialized
    var done = $("#channels > div").length > 0;
    if (done) { return; }

    // does it have color channels?
    var colors = $("#colors > div").length > 0;

    // calculate channels to create
    var max = num;
    if (colors) {
        max = num % 3;
        if ((max > 0) & useWhite) {
            max--;
            if (useCCT) {
              max--;
            }
        }
    }
    var start = num - max;

    var onChannelSliderChange = function() {
        var id = $(this).attr("data");
        var value = $(this).val();
        var parent = $(this).parents(".pure-g");
        $("span", parent).html(value);
        sendAction("channel", {id: id, value: value});
    };

    // add channel templates
    var i = 0;
    var template = $("#channelTemplate").children();
    for (i=0; i<max; i++) {

        var channel_id = start + i;
        var line = $(template).clone();
        $("span.slider", line).attr("data", channel_id);
        $("input.slider", line).attr("data", channel_id).on("change", onChannelSliderChange);
        $("label", line).html("Channel #" + channel_id);

        line.appendTo("#channels");

    }

    // Init channel dropdowns
    for (i=0; i<num; i++) {
        $("select.islight").append(
            $("<option></option>").attr("value",i).text("Channel #" + i));
    }

    // add brightness template
    var template = $("#brightnessTemplate").children();
    var line = $(template).clone();
    line.appendTo("#channels");

    // init bright slider
    $("#brightness").on("change", function() {
        var value = $(this).val();
        var parent = $(this).parents(".pure-g");
        $("span", parent).html(value);
        sendAction("brightness", {value: value});
    });

}
<!-- endRemoveIf(!light)-->

// -----------------------------------------------------------------------------
// RFBridge
// -----------------------------------------------------------------------------

<!-- removeIf(!rfbridge)-->

function rfbLearn() {
    var parent = $(this).parents(".pure-g");
    var input = $("input", parent);
    sendAction("rfblearn", {id: input.attr("data-id"), status: input.attr("data-status")});
}

function rfbForget() {
    var parent = $(this).parents(".pure-g");
    var input = $("input", parent);
    sendAction("rfbforget", {id: input.attr("data-id"), status: input.attr("data-status")});
}

function rfbSend() {
    var parent = $(this).parents(".pure-g");
    var input = $("input", parent);
    sendAction("rfbsend", {id: input.attr("data-id"), status: input.attr("data-status"), data: input.val()});
}

function addRfbNode() {

    var numNodes = $("#rfbNodes > legend").length;

    var template = $("#rfbNodeTemplate").children();
    var line = $(template).clone();
    var status = true;
    $("span", line).html(numNodes);
    $(line).find("input").each(function() {
        $(this).attr("data-id", numNodes);
        $(this).attr("data-status", status ? 1 : 0);
        status = !status;
    });
    $(line).find(".button-rfb-learn").on("click", rfbLearn);
    $(line).find(".button-rfb-forget").on("click", rfbForget);
    $(line).find(".button-rfb-send").on("click", rfbSend);
    line.appendTo("#rfbNodes");

    return line;
}
<!-- endRemoveIf(!rfbridge)-->

// -----------------------------------------------------------------------------
// Processing
// -----------------------------------------------------------------------------

function processData(data) {

    // title
    if ("app_name" in data) {
        var title = data.app_name;
		if ("app_version" in data) {
			title = title + " " + data.app_version;
		}
        $("span[name=title]").html(title);
        if ("hostname" in data) {
            title = data.hostname + " - " + title;
        }
        document.title = title;
    }

    Object.keys(data).forEach(function(key) {

        var i;
        var value = data[key];

        // ---------------------------------------------------------------------
        // Web mode
        // ---------------------------------------------------------------------

        if ("webMode" === key) {
            password = (1 === value);
            $("#layout").toggle(!password);
            $("#password").toggle(password);
        }

        // ---------------------------------------------------------------------
        // Actions
        // ---------------------------------------------------------------------

        if ("action" === key) {
            if ("reload" === data.action) { doReload(1000); }
            return;
        }

        // ---------------------------------------------------------------------
        // RFBridge
        // ---------------------------------------------------------------------

        <!-- removeIf(!rfbridge)-->

        if ("rfbCount" === key) {
            for (i=0; i<data.rfbCount; i++) { addRfbNode(); }
            return;
        }

        if ("rfbrawVisible" === key) {
            $("input[name='rfbcode']").attr("maxlength", 116);
        }

        if ("rfb" === key) {
            var rfb = data.rfb;
            var size = data.size;
            var start = data.start;

            var on = rfb["on"];
            var off = rfb["off"];

            for (var i=start; i<start+size; ++i) {
                $("input[name='rfbcode'][data-id='" + i + "'][data-status='1']").val(on[i]);
                $("input[name='rfbcode'][data-id='" + i + "'][data-status='0']").val(off[i]);
            }

            return;
        }
        <!-- endRemoveIf(!rfbridge)-->

        // ---------------------------------------------------------------------
        // RFM69
        // ---------------------------------------------------------------------

        <!-- removeIf(!rfm69)-->

        if (key == "packet") {
            var packet = data.packet;
            var d = new Date();
            packets.row.add([
                d.toLocaleTimeString('en-US', { hour12: false }),
                packet.senderID,
                packet.packetID,
                packet.targetID,
                packet.key,
                packet.value,
                packet.rssi,
                packet.duplicates,
                packet.missing,
            ]).draw(false);
            return;
        }

        if (key == "mapping") {
			for (var i in data.mapping) {

				// add a new row
				addMapping();

				// get group
				var line = $("#mapping .pure-g")[i];

				// fill in the blanks
				var mapping = data.mapping[i];
				Object.keys(mapping).forEach(function(key) {
				    var id = "input[name=" + key + "]";
				    if ($(id, line).length) $(id, line).val(mapping[key]).attr("original", mapping[key]);
				});
			}
			return;
		}

        <!-- endRemoveIf(!rfm69)-->

        // ---------------------------------------------------------------------
        // Lights
        // ---------------------------------------------------------------------

        <!-- removeIf(!light)-->

        if ("rgb" === key) {
            initColor(true);
            $("input[name='color']").wheelColorPicker("setValue", value, true);
            return;
        }

        if ("hsv" === key) {
            initColor(false);
            // wheelColorPicker expects HSV to be between 0 and 1 all of them
            var chunks = value.split(",");
            var obj = {};
            obj.h = chunks[0] / 360;
            obj.s = chunks[1] / 100;
            obj.v = chunks[2] / 100;
            $("input[name='color']").wheelColorPicker("setColor", obj);
            return;
        }

        if ("brightness" === key) {
            $("#brightness").val(value);
            $("span.brightness").html(value);
            return;
        }

        if ("channels" === key) {
            var len = value.length;
            initChannels(len);
            for (i in value) {
                var ch = value[i];
                $("input.slider[data=" + i + "]").val(ch);
                $("span.slider[data=" + i + "]").html(ch);
            }
            return;
        }

        if ("mireds" === key) {
            $("#mireds").val(value);
            $("span.mireds").html(value);
            return;
        }

        if ("useWhite" === key) {
            useWhite = value;
        }

        if ("useCCT" === key) {
            initCCT();
            useCCT = value;
        }

        <!-- endRemoveIf(!light)-->

        // ---------------------------------------------------------------------
        // Sensors & Magnitudes
        // ---------------------------------------------------------------------

        <!-- removeIf(!sensor)-->

        if ("magnitudes" === key) {
            initMagnitudes(value);
            for (var i=0; i<value.size; ++i) {
                var error = value.error[i] || 0;
                var text = (0 === error) ?
                    value.value[i] + value.units[i] :
                    magnitudeError(error);
                var element = $("input[name='magnitude'][data='" + i + "']");
                element.val(text);
            }
            return;
        }

        <!-- endRemoveIf(!sensor)-->

        // ---------------------------------------------------------------------
        // WiFi
        // ---------------------------------------------------------------------

        if ("maxNetworks" === key) {
            maxNetworks = parseInt(value, 10);
            return;
        }

        if ("wifi" === key) {
            for (i in value) {
                var wifi = value[i];
                var nwk_line = addNetwork();
                Object.keys(wifi).forEach(function(key) {
                    $("input[name='" + key + "']", nwk_line).val(wifi[key]);
                });
            }
            return;
        }

        if ("scanResult" === key) {
            $("div.scan.loading").hide();
            $("#scanResult").show();
        }

        // -----------------------------------------------------------------------------
        // Home Assistant
        // -----------------------------------------------------------------------------

        if ("haConfig" === key) {
            websock.send("{}");
            $("#haConfig")
                .append(new Text(value))
                .height($("#haConfig")[0].scrollHeight);
            return;
        }

        // -----------------------------------------------------------------------------
        // Relays scheduler
        // -----------------------------------------------------------------------------

        if ("maxSchedules" === key) {
            maxSchedules = parseInt(value, 10);
            return;
        }

        if ("schedules" === key) {
            for (var i=0; i<value.size; ++i) {
                var sch_line = addSchedule({ data: {schType: value.schType[i] }});

                Object.keys(value).forEach(function(key) {
                    if ("size" == key) return;
                    var sch_value = value[key][i];
                    $("input[name='" + key + "']", sch_line).val(sch_value);
                    $("select[name='" + key + "']", sch_line).prop("value", sch_value);
                    $("input[type='checkbox'][name='" + key + "']", sch_line).prop("checked", sch_value);
                });
            }
            return;
        }

        // ---------------------------------------------------------------------
        // Relays
        // ---------------------------------------------------------------------

        if ("relayStatus" === key) {
            initRelays(value);
            for (i in value) {
                $("input[name='relay'][data='" + i + "']").prop("checked", value[i]);
            }
            return;
        }

        // Relay configuration
        if ("relayConfig" === key) {
            initRelayConfig(value);
            return;
        }

        // ---------------------------------------------------------------------
        // Domoticz
        // ---------------------------------------------------------------------

        // Domoticz - Relays
        if ("dczRelays" === key) {
            createRelayList(value, "dczRelays", "dczRelayTemplate");
            return;
        }

        // Domoticz - Magnitudes
        <!-- removeIf(!sensor)-->
        if ("dczMagnitudes" === key) {
            createMagnitudeList(value, "dczMagnitudes", "dczMagnitudeTemplate");
            return;
        }
        <!-- endRemoveIf(!sensor)-->

        // ---------------------------------------------------------------------
        // Thingspeak
        // ---------------------------------------------------------------------

        // Thingspeak - Relays
        if ("tspkRelays" === key) {
            createRelayList(value, "tspkRelays", "tspkRelayTemplate");
            return;
        }

        // Thingspeak - Magnitudes
        <!-- removeIf(!sensor)-->
        if ("tspkMagnitudes" === key) {
            createMagnitudeList(value, "tspkMagnitudes", "tspkMagnitudeTemplate");
            return;
        }
        <!-- endRemoveIf(!sensor)-->

        // ---------------------------------------------------------------------
        // General
        // ---------------------------------------------------------------------

        // Messages
        if ("message" === key) {
            window.alert(messages[value]);
            return;
        }

        // Web log
        if ("weblog" === key) {
            websock.send("{}");

            if (value.prefix) {
                $("#weblog").append(new Text(value.prefix));
            }
            $("#weblog").append(new Text(value.message));

            $("#weblog").scrollTop($("#weblog")[0].scrollHeight - $("#weblog").height());
            return;
        }

        // Enable options
        var position = key.indexOf("Visible");
        if (position > 0 && position === key.length - 7) {
            var module = key.slice(0,-7);
            $(".module-" + module).css("display", "inherit");
            return;
        }

        if ("deviceip" === key) {
            var a_href = $("span[name='" + key + "']").parent();
            a_href.attr("href", "//" + value);
            a_href.next().attr("href", "telnet://" + value);
        }

        if ("now" === key) {
            now = value;
            return;
        }

        if ("free_size" === key) {
            free_size = parseInt(value, 10);
        }

        // Pre-process
        if ("mqttStatus" === key) {
            value = value ? "CONNECTED" : "NOT CONNECTED";
        }
        if ("ntpStatus" === key) {
            value = value ? "SYNC'D" : "NOT SYNC'D";
        }
        if ("uptime" === key) {
            ago = 0;
            var uptime  = parseInt(value, 10);
            var seconds = uptime % 60; uptime = parseInt(uptime / 60, 10);
            var minutes = uptime % 60; uptime = parseInt(uptime / 60, 10);
            var hours   = uptime % 24; uptime = parseInt(uptime / 24, 10);
            var days    = uptime;
            value = days + "d " + zeroPad(hours, 2) + "h " + zeroPad(minutes, 2) + "m " + zeroPad(seconds, 2) + "s";
        }

        // ---------------------------------------------------------------------
        // Matching
        // ---------------------------------------------------------------------

        var pre;
        var post;

        // Look for INPUTs
        var input = $("input[name='" + key + "']");
        if (input.length > 0) {
            if (input.attr("type") === "checkbox") {
                input.prop("checked", value);
            } else if (input.attr("type") === "radio") {
                input.val([value]);
            } else {
                pre = input.attr("pre") || "";
                post = input.attr("post") || "";
                input.val(pre + value + post);
            }
        }

        // Look for SPANs
        var span = $("span[name='" + key + "']");
        if (span.length > 0) {
            pre = span.attr("pre") || "";
            post = span.attr("post") || "";
            span.html(pre + value + post);
        }

        // Look for SELECTs
        var select = $("select[name='" + key + "']");
        if (select.length > 0) {
            select.val(value);
        }

    });

    // Auto generate an APIKey if none defined yet
    if ($("input[name='apiKey']").val() === "") {
        generateAPIKey();
    }

    setOriginalsFromValues();

}

function hasChanged() {

    var newValue, originalValue;
    if ($(this).attr("type") === "checkbox") {
        newValue = $(this).prop("checked");
        originalValue = ($(this).attr("original") === "true");
    } else {
        newValue = $(this).val();
        originalValue = $(this).attr("original");
    }
    var hasChanged = ("true" === $(this).attr("hasChanged"));
    var action = $(this).attr("action");

    if (typeof originalValue === "undefined") { return; }
    if ("none" === action) { return; }

    if (newValue !== originalValue) {
        if (!hasChanged) {
            ++numChanged;
            if ("reconnect" === action) { ++numReconnect; }
            if ("reboot" === action) { ++numReboot; }
            if ("reload" === action) { ++numReload; }
            $(this).attr("hasChanged", true);
        }
    } else {
        if (hasChanged) {
            --numChanged;
            if ("reconnect" === action) { --numReconnect; }
            if ("reboot" === action) { --numReboot; }
            if ("reload" === action) { --numReload; }
            $(this).attr("hasChanged", false);
        }
    }

}

// -----------------------------------------------------------------------------
// Init & connect
// -----------------------------------------------------------------------------

function initUrls(root) {

    var paths = ["ws", "upgrade", "config", "auth"];

    urls["root"] = root;
    paths.forEach(function(path) {
        urls[path] = new URL(path, root);
        urls[path].protocol = root.protocol;
    });

    if (root.protocol == "https:") {
        urls.ws.protocol = "wss:";
    } else {
        urls.ws.protocol = "ws:";
    }

}

function connectToURL(url) {

    initUrls(url);

    $.ajax({
        'method': 'GET',
        'crossDomain': true,
        'url': urls.auth.href,
        'xhrFields': { 'withCredentials': true }
    }).done(function(data) {
        if (websock) { websock.close(); }
        websock = new WebSocket(urls.ws.href);
        websock.onmessage = function(evt) {
            var data = getJson(evt.data.replace(/\n/g, "\\n").replace(/\r/g, "\\r").replace(/\t/g, "\\t"));
            if (data) {
                processData(data);
            }
        };
    }).fail(function() {
        // Nothing to do, reload page and retry
    });

}

function connect(host) {
    if (!host.startsWith("http:") && !host.startsWith("https:")) {
        host = "http://" + host;
    }
    connectToURL(new URL(host));
}

function connectToCurrentURL() {
    connectToURL(new URL(window.location));
}

function getParameterByName(name) {
    var match = RegExp('[?&]' + name + '=([^&]*)').exec(window.location.search);
    return match && decodeURIComponent(match[1].replace(/\+/g, ' '));
}

$(function() {

    initMessages();
    loadTimeZones();
    createCheckboxes();
    setInterval(function() { keepTime(); }, 1000);

    $(".password-reveal").on("click", toggleVisiblePassword);

    $("#menuLink").on("click", toggleMenu);
    $(".pure-menu-link").on("click", showPanel);
    $("progress").attr({ value: 0, max: 100 });

    $(".button-update").on("click", doUpdate);
    $(".button-update-password").on("click", doUpdatePassword);
    $(".button-generate-password").on("click", doGeneratePassword);
    $(".button-reboot").on("click", doReboot);
    $(".button-reconnect").on("click", doReconnect);
    $(".button-wifi-scan").on("click", doScan);
    $(".button-ha-config").on("click", doHAConfig);
    $(".button-dbgcmd").on("click", doDebugCommand);
    $("input[name='dbgcmd']").enterKey(doDebugCommand);
    $(".button-dbg-clear").on("click", doDebugClear);
    $(".button-settings-backup").on("click", doBackup);
    $(".button-settings-restore").on("click", doRestore);
    $(".button-settings-factory").on("click", doFactoryReset);
    $("#uploader").on("change", onFileUpload);
    $(".button-upgrade").on("click", doUpgrade);

    $(".button-apikey").on("click", generateAPIKey);
    $(".button-upgrade-browse").on("click", function() {
        $("input[name='upgrade']")[0].click();
        return false;
    });
    $("input[name='upgrade']").change(function (){
        var file = this.files[0];
        $("input[name='filename']").val(file.name);
    });
    $(".button-add-network").on("click", function() {
        $(".more", addNetwork()).toggle();
    });
    $(".button-add-switch-schedule").on("click", { schType: 1 }, addSchedule);
    <!-- removeIf(!light)-->
    $(".button-add-light-schedule").on("click", { schType: 2 }, addSchedule);
    <!-- endRemoveIf(!light)-->

    <!-- removeIf(!rfm69)-->
    $(".button-add-mapping").on('click', addMapping);
    $(".button-del-mapping").on('click', delMapping);
    $(".button-clear-counts").on('click', doClearCounts);
    $(".button-clear-messages").on('click', doClearMessages);
    $(".button-clear-filters").on('click', doClearFilters);
    $('#packets tbody').on('mousedown', 'td', doFilter);
    packets = $('#packets').DataTable({
        "paging": false
    });
    for (var i = 0; i < packets.columns()[0].length; i++) {
        filters[i] = false;
    }
    <!-- endRemoveIf(!rfm69)-->

    $(document).on("change", "input", hasChanged);
    $(document).on("change", "select", hasChanged);

    $("textarea").on("dblclick", function() { this.select(); });

    // don't autoconnect when opening from filesystem
    if (window.location.protocol === "file:") { return; }

    // Check host param in query string
    if (host = getParameterByName('host')) {
        connect(host);
    } else {
        connectToCurrentURL();
    }

});