var debug = false;
var websock;
var password = false;
var maxNetworks;
var free_size = 0;

var urls = {};

var numChanged = 0;
var numReboot = 0;
var numReconnect = 0;
var numReload = 0;
var configurationSaved = false;
var ws_pingpong;

//removeIf(!light)
var colorPicker;
var useWhite = false;
var useCCT = false;
//endRemoveIf(!light)

var now = 0;
var ago = 0;

//removeIf(!rfm69)
var packets;
var filters = [];
//endRemoveIf(!rfm69)

//removeIf(!sensor)
var Magnitudes = [];
var MagnitudeErrors = {};
var MagnitudeNames = {};
var MagnitudeTypePrefixes = {};
var MagnitudePrefixTypes = {};
//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 followScroll(id, threshold) {
    if (threshold === undefined) {
        threshold = 90;
    }

    var elem = document.getElementById(id);
    var offset = (elem.scrollTop + elem.offsetHeight) / elem.scrollHeight * 100;
    if (offset > threshold) {
        elem.scrollTop = elem.scrollHeight;
    }
}

function fromSchema(source, schema) {
    if (schema.length !== source.length) {
        throw "Schema mismatch!";
    }

    var target = {};
    schema.forEach(function(key, index) {
        target[key] = source[index];
    });

    return target;
}

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) {
    return number.toString().padStart(positions, "0");
}

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='adminPass0'],input[name='adminPass1']", 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-]{1,32}(?<!-)$');

    var re_hostname = new RegExp('^(?!-)[A-Za-z0-9-]{0,31}[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);
}

// Observe all group settings to selectively update originals based on the current data
var groupSettingsObserver = new MutationObserver(function(mutations) {
    mutations.forEach(function(mutation) {
        // If any new elements are added, set "settings-target" element as changed to forcibly send the data
        var targets = $(mutation.target).attr("data-settings-target");
        if (targets !== undefined) {
            mutation.addedNodes.forEach(function(node) {
                var overrides = [];
                targets.split(" ").forEach(function(target) {
                    var elem = $("[name='" + target + "']", node);
                    if (!elem.length) return;

                    var value = getValue(elem);
                    if ((value === null) || (value === elem[0].defaultValue)) {
                        overrides.push(elem);
                    }
                });
                setOriginalsFromValues($("input,select", node));
                overrides.forEach(function(elem) {
                    elem.attr("hasChanged", "true");
                    if (elem.prop("tagName") === "SELECT") {
                        elem.prop("value", 0);
                    }
                });
            });
        }

        // If anything was removed, forcibly send **all** of the group to avoid having any outdated keys
        // TODO: hide instead of remove?
        var changed = $(mutation.target).attr("hasChanged") === "true";
        if (changed || mutation.removedNodes.length) {
            $(mutation.target).attr("hasChanged", "true");
            $("input,select", mutation.target.childNodes).attr("hasChanged", "true");
        }
    });
});

function bitsetToValues(bitset) {
    var values = [];
    for (var index = 0; index < 31; ++index) {
        if (bitset & (1 << index)) {
            values.push(String(index));
        }
    }

    return values;
}

function valuesToBitset(values) {
    var result = 0;
    for (var value of values) {
        result |= 1 << parseInt(value);
    }

    return result;
}

function getValue(element) {

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

    return $(element).val();

}

function getData(form, changed, cleanup) {

    // Populate two sets of data, ones that had been changed and ones that stayed the same
    var data = {};
    var changed_data = [];
    if (cleanup === undefined) {
        cleanup = true;
    }

    if (changed === undefined) {
        changed = true;
    }

    $("input,select", form).each(function() {
        if ($(this).attr("data-settings-ignore") === "true") {
            return;
        }

        var name = $(this).attr("name");
        if (name === undefined) {
            return;
        }

        var real_name = $(this).attr("data-settings-real-name");
        if (real_name !== undefined) {
            name = real_name;
        }

        var value = getValue(this);
        if (null !== value) {
            var haschanged = ("true" === $(this).attr("hasChanged"));
            var indexed = changed_data.indexOf(name) >= 0;

            if ((haschanged || !changed) && !indexed) {
                changed_data.push(name);
            }

            // make sure to group keys from templates (or, manually flagged as such)
            var is_group = $(this).attr("data-settings-group") !== undefined;
            if (is_group) {
                if (name in data) {
                    data[name].push(value);
                } else {
                    data[name] = [value];
                }
            } else {
                data[name] = value;
            }
        }
    });

    // Finally, filter out only fields that had changed.
    // Note: We need to preserve dynamic lists like schedules, wifi etc.
    // so we don't accidentally break when user deletes entry in the middle
    var resulting_data = {};
    for (var value in data) {
        if (changed_data.indexOf(value) >= 0) {
            resulting_data[value] = data[value];
        }
    }

    // Hack: clean-up leftover arrays.
    // When empty, the receiving side will prune all keys greater than the current one.
    if (cleanup) {
        $(".settings-group").each(function() {
            var haschanged = ("true" === $(this).attr("hasChanged"));
            if (haschanged && !this.children.length) {
                var targets = this.dataset.settingsTarget;
                if (targets === undefined) return;

                targets.split(" ").forEach(function(target) {
                    resulting_data[target] = [];
                });
            }
        });
    }

    return resulting_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)
        .attr("original", "-".repeat(16))
        .attr("haschanged", "true");
    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() {
    var elems = $("input", $("#formPassword"));
    elems
        .val(generatePassword())
        .attr("haschanged", "true")
        .each(function() {
            this.type = "text";
        });
    return false;
}

function moduleVisible(module) {
    if (module == "sch") {
        $("li.module-" + module).css("display", "inherit");
        $("div.module-" + module).css("display", "flex");
        return;
    }
    $(".module-" + module).css("display", "inherit");
}

//removeIf(!thermostat)
function checkTempRangeMin() {
    var min = parseInt($("#tempRangeMinInput").val(), 10);
    var max = parseInt($("#tempRangeMaxInput").val(), 10);
    if (min > max - 1) {
        $("#tempRangeMinInput").val(max - 1);
    }
}

function checkTempRangeMax() {
    var min = parseInt($("#tempRangeMinInput").val(), 10);
    var max = parseInt($("#tempRangeMaxInput").val(), 10);
    if (max < min + 1) {
        $("#tempRangeMaxInput").val(min + 1);
    }
}

function doResetThermostatCounters(ask) {
    var question = (typeof ask === "undefined" || false === ask) ?
        null :
        "Are you sure you want to reset burning counters?";
    return doAction(question, "thermostat_reset_counters");
}
//endRemoveIf(!thermostat)

function initSelectGPIO(select) {
    // TODO: properly lock used GPIOs via locking and apply the mask here
    var mapping = [
        [153, "NONE"],
        [0, "0 (FLASH)"],
        [1, "1 (U0TXD)"],
        [2, "2 (U1TXD)"],
        [3, "3 (U0RXD)"],
        [4, "4 (SDA)"],
        [5, "5 (SCL)"],
        [9, "9 (SDD2)"],
        [10, "10 (SDD3)"],
        [12, "12 (MTDI)"],
        [13, "13 (MTCK)"],
        [14, "14 (MTMS)"],
        [15, "15 (MTDO)"],
        [16, "16 (WAKE)"],
    ];
    for (n in mapping) {
        var elem = $('<option value="' + mapping[n][0] + '">');
        elem.html(mapping[n][1]);
        elem.appendTo(select);
    }
}

function fillTemplateLineFromCfg(line, id, cfg) {
    for (var [key, value] of Object.entries(cfg)) {
        var span = $(`span.${key}`, line);
        if (span.length) {
            span.html(cfg[key]);
            continue;
        }

        var input = $(`input[name='${key}']`, line);
        if (input.length) {
            if (input.is("[type='checkbox']")) {
                var realId = key + id;
                input.prop("checked", cfg[key])
                    .attr("id", realId)
                    .attr("name", realId)
                    .next().attr("for", realId);
            } else {
                input.val(cfg[key]);
            }
            continue;
        }

        var select = $(`select[name='${key}']`, line);
        if (select.length) {
            select.prop("value", cfg[key]);
            continue;
        }
    }

    setOriginalsFromValues($("input,select", line));
}

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

function send(json) {
    if (debug) console.log(json);
    websock.send(json);
}

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

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

function setOriginalsFromValues(elems) {
    if (typeof elems == "undefined") {
        elems = $("input,select");
    }
    elems.each(function() {
        var value;
        if ($(this).attr("type") === "checkbox") {
            value = $(this).prop("checked");
        } else {
            value = $(this).val();
        }
        $(this).attr("original", value);
        hasChanged.call(this);
    });
}

function resetOriginals() {
    setOriginalsFromValues();
    $(".settings-group").attr("haschanged", "false")
    numReboot = numReconnect = numReload = 0;
    configurationSaved = false;
}

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) {
            var magic = evt.target.result.charCodeAt(0);
            if ((0x1F === magic) && (0x8B === evt.target.result.charCodeAt(1))) {
                callback(true);
                return;
            }

            if (0xE9 !== magic) {
                alert("Binary image does not start with a magic byte");
                callback(false);
                return;
            }

            var modes = ['QIO', 'QOUT', 'DIO', 'DOUT'];
            var flash_mode = evt.target.result.charCodeAt(2);
            if (0x03 !== flash_mode) {
                var response = window.confirm("Binary image is using " + modes[flash_mode] + " flash mode! Make sure that the device supports it before proceeding.");
                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) {
            return;
        }

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

        var xhr = new XMLHttpRequest();

        var msg_ok = "Firmware image uploaded, board rebooting. This page will be refreshed in 5 seconds.";
        var msg_err = "There was an error trying to upload the new image, please try again: ";

        var network_error = function(e) {
            alert(msg_err + " xhr request " + e.type);
        };
        xhr.addEventListener("error", network_error, false);
        xhr.addEventListener("abort", network_error, false);

        xhr.addEventListener("load", function(e) {
            $("#upgrade-progress").hide();
            if ("OK" === xhr.responseText) {
                alert(msg_ok);
                doReload(5000);
            } else {
                alert(msg_err + xhr.status.toString() + " " + xhr.statusText + ", " + xhr.responseText);
            }
        }, false);

        xhr.upload.addEventListener("progress", function(e) {
            $("#upgrade-progress").show();
            if (e.lengthComputable) {
                $("progress").attr({ value: e.loaded, max: e.total });
            }
        }, false);

        xhr.open("POST", urls.upgrade.href);
        xhr.send(data);

    });

    return false;

}

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

function waitForSave(){
    if (!configurationSaved) {
        setTimeout(waitForSave, 1000);
    } else {
        doCheckOriginals();
    }
}

function doUpdate() {

    // Since we have 2-page config, make sure we select the active one
    var forms = $(".form-settings");
    if (validateForm(forms)) {

        sendConfig(getData(forms));

//removeIf(!sensor)
        // Energy reset is handled via these keys
        // TODO: replace these with actions, not settings
        $(".pwrExpected").val(0);
        $("input[name='snsResetCalibration']").prop("checked", false);
        $("input[name='pwrResetCalibration']").prop("checked", false);
        $("input[name='pwrResetE']").prop("checked", false);
//endRemoveIf(!sensor)

        numChanged = 0;
        waitForSave();

    }

    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) {
        try {
            var data = JSON.parse(e.target.result);
            sendAction("restore", data);
        } catch (e) {
            window.alert(e);
        }
    };
    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) {
        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();
    $("#button-wifi-scan").attr("disabled", true);
    sendAction("scan", {});
    return false;
}

function doDebugCommand() {
    var el = $("input[name='dbgcmd']");
    var command = el.val();
    el.val("");
    sendAction("dbgcmd", {command: command});
    followScroll("weblog", 0);
    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)

function delParent() {
    var parent = $(this).parent().parent();
    $(parent).remove();
}

// -----------------------------------------------------------------------------
// 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();
}

function loadTemplate(name) {
    let template = $(`#${name}.template`);
    let clone = $(template).clone();
    return clone.children();
}

function loadConfigTemplate(name) {
    let template = loadTemplate(name);
    $("input,select", template)
        .attr("data-settings-group", "");
    return template;
}

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

function createRelayList(data, container, template_name) {

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

    var template = loadConfigTemplate(template_name);
    for (var i in data) {
        var line = $(template).clone();
        $("label", line).html("Switch #" + i);
        setOriginalsFromValues($("input", line));
        line.appendTo("#" + container);
    }

}

//removeIf(!sensor)
function createMagnitudeList(data, container, template_name) {

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

    var template = loadConfigTemplate(template_name);
    var size = data.size;

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

}
//endRemoveIf(!sensor)

function addFromTemplate(template, target) {
    var line = loadConfigTemplate(template);
    $("button", line)
        .on('click', delParent);
    setOriginalsFromValues($("input", line));
    line.appendTo("#" + target);
}

// -----------------------------------------------------------------------------
// RPN Rules
// -----------------------------------------------------------------------------

function addRPNRule() {
    addFromTemplate("rpnRuleTemplate", "rpnRules");
}

function addRPNTopic() {
    addFromTemplate("rpnRuleTemplate", "rpnTopics");
}

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

//removeIf(!rfm69)

function addMapping() {
    addFromTemplate("nodeTemplate", "mapping");
}

//endRemoveIf(!rfm69)

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

function numNetworks() {
    return $("#networks > div").length;
}

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

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

function addNetwork(network) {

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

    if (network === undefined) {
        network = {};
    }

    var line = loadConfigTemplate("networkTemplate");
    $(".password-reveal", line).on("click", toggleVisiblePassword);
    $(line).find(".button-del-network").on("click", delNetwork);
    $(line).find(".button-more-network").on("click", moreNetwork);

    Object.entries(network).forEach(function(pair) {
        // XXX: UI deleting this network will only re-use stored values.
        var key = pair[0],
            val = pair[1];
        if (key === "stored") {
            $(line).find(".button-del-network").prop("disabled", val);
            return;
        }
        $("input[name='" + key + "']", line).val(val);
    });


    line.appendTo("#networks");

    return line;

}

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

function numSchedules() {
    return $("#schedules > div").length;
}

function maxSchedules() {
    var value = $("#schedules").attr("data-settings-max");
    return parseInt(value === undefined ? 0 : value, 10);
}

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

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

function addSchedule(cfg, payload) {

    var id = numSchedules();
    if (id >= maxSchedules()) {
        alert("Max number of schedules reached");
        return null;
    }

    if (cfg === undefined) {
        return null;
    }

    if (payload === undefined) {
        payload = {};
    }

    var line = loadConfigTemplate("scheduleTemplate");

    var type = "none";
    switch(cfg.schType) {
    case 1:
        type = "switch";
        break;
    case 2:
        type = "light";
        break;
    case 3:
        type = "curtain";
        break;
    }

    $("#schActionDiv", line)
        .append(loadConfigTemplate(type + "ActionTemplate"));

    $(".button-del-schedule", line)
        .on("click", delSchedule);
    $(".button-more-schedule", line)
        .on("click", moreSchedule);

    $("input[type='checkbox']", line)
        .prop("checked", false);

    fillTemplateLineFromCfg(line, id, cfg);
    line.appendTo("#schedules");

    return line;

}

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

function initRelay(id, cfg, payload) {
    var line = loadConfigTemplate("relayTemplate");
    $("span.relayName", line)
        .text(cfg.relayName)
        .attr("data-id", id)
        .attr("title", payload["desc"][id]);

    $("input[type='checkbox']", line)
        .prop('checked', false)
        .prop('disabled', true)
        .attr("data-id", id)
        .prop("id", "relay" + id)
        .on("change", function (event) {
            var target= parseInt($(event.target).attr("data-id"), 10);
            var status = $(event.target).prop("checked");
            doToggle(target, status);
        });

    $("label.toggle", line)
        .prop("for", "relay" + id);

    line.appendTo("#relays");
}

function updateRelays(data) {
    var size = data.size;
    for (var i=0; i<size; ++i) {
        var elem = $("input[name='relay'][data-id='" + i + "']");
        elem.prop("checked", data.status[i]);
        var lock = {
            0: false,
            1: !data.status[i],
            2: data.status[i]
        };
        elem.prop("disabled", lock[data.lock[i]]); // RELAY_LOCK_DISABLED=0
    }
}

function createCheckboxes() {

    $("input[type='checkbox']").each(function() {
        let name = $(this).prop("name")
        if ($(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(id, cfg, payload) {
    var line = loadConfigTemplate("relayConfigTemplate");
    fillTemplateLineFromCfg(line, id, cfg);

    line.appendTo("#relayConfig");

    // Populate the relay SELECTs on the configuration panel
    $("select.isrelay").append(
        $("<option></option>")
            .attr("value", id)
            .text(name)
    );
}

// -----------------------------------------------------------------------------
// 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;

    for (var i=0; i<size; ++i) {
        var magnitude = {
            "name": MagnitudeNames[data.type[i]] + " #" + parseInt(data.index[i], 10),
            "units": data.units[i],
            "description": data.description[i]
        };
        Magnitudes.push(magnitude);

        var line = loadConfigTemplate("magnitudeTemplate");
        $("label", line).html(magnitude.name);
        $("input", line).attr("data", i);
        $("div.sns-desc", line).html(magnitude.description);
        $("div.sns-info", line).hide();
        line.appendTo("#magnitudes");
    }

}
//endRemoveIf(!sensor)

// -----------------------------------------------------------------------------
// Curtains
// -----------------------------------------------------------------------------

//removeIf(!curtain)

//Create the controls for one curtain. It is called when curtain is updated (so created the first time)
//Let this there as we plan to have more than one curtain per switch
function initCurtain(data) {

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

    // add and init curtain template, prepare multi switches
    var line = loadConfigTemplate("curtainTemplate");
    $(line).find(".button-curtain-open").on("click", function() {
        sendAction("curtainAction", {button: 1});
        $(this).css('background', 'red');
    });
    $(line).find(".button-curtain-pause").on("click", function() {
        sendAction("curtainAction", {button: 0});
        $(this).css('background', 'red');
    });
    $(line).find(".button-curtain-close").on("click", function() {
        sendAction("curtainAction", {button: 2});
        $(this).css('background', 'red');
    });
    line.appendTo("#curtains");

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

}

function initCurtainConfig(data) {

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

    // Populate the curtain select
    $("select.iscurtain").append(
        $("<option></option>")
            .attr("value", "0")
            .text("Curtain #" + "0")
    );
}

//endRemoveIf(!curtain)

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

//removeIf(!light)

function colorToHsvString(color) {
    var h = String(Math.round(color.hsv.h));
    var s = String(Math.round(color.hsv.s));
    var v = String(Math.round(color.hsv.v));
    return h + "," + s + "," + v;
}

function hsvStringToColor(hsv) {
    var parts = hsv.split(",");
    return {
        h: parseInt(parts[0]),
        s: parseInt(parts[1]),
        v: parseInt(parts[2])
    };
}

function colorSlider(type) {
    return {component: iro.ui.Slider, options: {sliderType: type}};
}

function colorWheel() {
    return {component: iro.ui.Wheel, options: {}};
}

function colorBox() {
    return {component: iro.ui.Box, options: {}};
}

function updateColor(mode, value) {
    if (colorPicker) {
        if (mode === "rgb") {
            colorPicker.color.hexString = value;
        } else if (mode === "hsv") {
            colorPicker.color.hsv = hsvStringToColor(value);
        }
        return;
    }

    // TODO: useRGB -> ltWheel?
    // TODO: always show wheel + sliders like before?
    var layout = []
    if (mode === "rgb") {
        layout.push(colorWheel());
        layout.push(colorSlider("value"));
    } else if (mode === "hsv") {
        layout.push(colorBox());
        layout.push(colorSlider("hue"));
    }

    var options = {
        color: (mode === "rgb") ? value : hsvStringToColor(value),
        layout: layout
    };

    colorPicker = new iro.ColorPicker("#color", options);
    colorPicker.on("input:change", function(color) {
        if (mode === "rgb") {
            sendAction("color", {rgb: color.hexString});
        } else if (mode === "hsv") {
            sendAction("color", {hsv: colorToHsvString(color)});
        }
    });
}

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; }

    // calculate channels to create
    var max = num;
    if (colorPicker) {
        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;
    for (i=0; i<max; i++) {

        var channel_id = start + i;
        var line = loadTemplate("channelTemplate");
        $("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 line = loadTemplate("brightnessTemplate");
    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 line = loadTemplate("rfbNodeTemplate");
    $("span", line).html(numNodes);
    $(line).find("input").each(function() {
        this.dataset["id"] = numNodes;
    });
    $(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)

// -----------------------------------------------------------------------------
// LightFox
// -----------------------------------------------------------------------------

//removeIf(!lightfox)

function lightfoxLearn() {
    sendAction("lightfoxLearn", {});
}

function lightfoxClear() {
    sendAction("lightfoxClear", {});
}

function initLightfox(data, relayCount) {

    var numNodes = data.length;

    var i, j;
    for (i=0; i<numNodes; i++) {
        var $line = loadTemplate("lightfoxNodeTemplate");
        $line.find("label > span").text(data[i]["id"]);
        $line.find("select").each(function() {
            $(this).attr("name", "btnRelay" + data[i]["id"]);
            for (j=0; j < relayCount; j++) {
                $(this).append($("<option >").attr("value", j).text("Switch #" + j));
            }
            $(this).val(data[i]["relay"]);
            status = !status;
        });
        setOriginalsFromValues($("input,select", $line));
        $line.appendTo("#lightfoxNodes");
    }

    var $panel = $("#panel-lightfox")
    $(".button-lightfox-learn").off("click").click(lightfoxLearn);
    $(".button-lightfox-clear").off("click").click(lightfoxClear);

}
//endRemoveIf(!lightfox)

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

function processData(data) {

    if (debug) console.log(data);

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

            var size = rfb.size;
            var start = rfb.start;

            var processOn = ((rfb.on !== undefined) && (rfb.on.length > 0));
            var processOff = ((rfb.off !== undefined) && (rfb.off.length > 0));

            for (let i = 0; i < size; ++i) {
                let selector = template`input[name='rfbcode'][data-id='${id}'][data-status='${status}']`;
                let id = i + start;
                if (processOn) {
                    $(selector({"id": id, "status": 1}))
                        .val(rfb.on[i]);
                }
                if (processOff) {
                    $(selector({"id": id, "status": 0}))
                        .val(rfb.off[i]);
                }
            }

            return;
        }

        //endRemoveIf(!rfbridge)

        // ---------------------------------------------------------------------
        // LightFox
        // ---------------------------------------------------------------------

        //removeIf(!lightfox)

        if ("lightfoxButtons" === key) {
            initLightfox(data["lightfoxButtons"], data["lightfoxRelayCount"]);
            return;
        }

        //endRemoveIf(!lightfox)

        // ---------------------------------------------------------------------
        // 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]);
                });

                setOriginalsFromValues($("input", line));
            }
            return;
        }

        //endRemoveIf(!rfm69)

        // ---------------------------------------------------------------------
        // RPN Rules
        // ---------------------------------------------------------------------

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

				// add a new row
				addRPNRule();

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

				// fill in the blanks
				var rule = data.rpnRules[i];
                $("input", line).val(rule);

                setOriginalsFromValues($("input", line));

            }
			return;
		}

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

				// add a new row
				addRPNTopic();

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

				// fill in the blanks
				var topic = data.rpnTopics[i];
				var name = data.rpnNames[i];
                $("input[name='rpnTopic']", line).val(topic);
                $("input[name='rpnName']", line).val(name);

                setOriginalsFromValues($("input", line));

            }
			return;
        }

        if (key == "rpnNames") return;

        // ---------------------------------------------------------------------
        // Curtains
        // ---------------------------------------------------------------------

        //removeIf(!curtain)

        function applyCurtain(a, b) {
            $("#curtainGetPicture").css('background', 'linear-gradient(' + a + ', black ' + b + '%, #a0d6ff ' + b + '%)');
        }

        if ("curtainState" === key) {
            initCurtain();
            switch(value.type) {
                case '0': //Roller
                default:
                    applyCurtain('180deg', value.get);
                    break;
                case '1': //One side left to right
                    applyCurtain('90deg', value.get);
                    break;
                case '2': //One side right to left
                    applyCurtain('270deg', value.get);
                    break;
                case '3': //Two sides
                    $("#curtainGetPicture").css('background', 'linear-gradient(90deg, black ' + value.get/2 + '%, #a0d6ff ' + value.get/2 + '% ' + (100 - value.get/2) + '%, black ' + (100 - value.get/2) + '%)');
                    break;
            }
            $("#curtainSet").val(value.set);

            if(!value.moving) {
                $("button.curtain-button").css('background', 'rgb(66, 184, 221)');
            } else {
                if(!value.button)
                    $("button.button-curtain-pause").css('background', 'rgb(192, 0, 0)');
                else if(value.button == 1) {
                    $("button.button-curtain-close").css('background', 'rgb(66, 184, 221)');
                    $("button.button-curtain-open").css('background', 'rgb(192, 0, 0)');
                }
                else if(value.button == 2) {
                    $("button.button-curtain-open").css('background', 'rgb(66, 184, 221)');
                    $("button.button-curtain-close").css('background', 'rgb(192, 0, 0)');

                }
            }
            return;
        }
        //endRemoveIf(!curtain)

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

        //removeIf(!light)

        if ("lightstate" === key) {
            $("#color").toggle(value);
            return;
        }

        if (("rgb" === key) || ("hsv" === key)) {
            updateColor(key, value);
            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").attr("min", value["cold"]);
            $("#mireds").attr("max", value["warm"]);
            $("#mireds").val(value["value"]);
            $("span.mireds").html(value["value"]);
            return;
        }

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

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

        //endRemoveIf(!light)

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

        //removeIf(!sensor)

        if ("snsErrors" === key) {
            for (var index in value) {
                var type = value[index][0];
                var name = value[index][1];
                MagnitudeErrors[type] = name;
            }
            return;
        }

        if ("snsMagnitudes" === key) {
            for (var index in value) {
                var type = value[index][0];
                var prefix = value[index][1];
                var name = value[index][2];
                MagnitudeNames[type] = name;
                MagnitudeTypePrefixes[type] = prefix;
                MagnitudePrefixTypes[prefix] = type;
                moduleVisible(prefix);
            }
            return;
        }

        if ("magnitudesConfig" === key) {
            initMagnitudes(value);
            return;
        }

        if ("magnitudes" === key) {
            for (var i=0; i<value.size; ++i) {
                var inputElem = $("input[name='magnitude'][data='" + i + "']");
                var infoElem = inputElem.parent().parent().find("div.sns-info");

                var error = value.error[i] || 0;
                var text = (0 === error)
                    ? value.value[i] + Magnitudes[i].units
                    : MagnitudeErrors[error];
                inputElem.val(text);

                if (value.info !== undefined) {
                    var info = value.info[i] || 0;
                    infoElem.toggle(info != 0);
                    infoElem.text(info);
                }
            }
            return;
        }

        if ("pzemVisible" === key) {
            $("input[name='snsSave']").prop("disabled", true);
            $("input[name='snsSave']")
                .parent().parent().find(".hint")
                .text("PZEM004 module saves the energy data on it's own")
            return;
        }

        //endRemoveIf(!sensor)

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

        if ("wifi" === key) {
            maxNetworks = parseInt(value["max"], 10);
            value["networks"].forEach(function(network) {
                addNetwork(fromSchema(network, value.schema));
            });
            return;
        }

        if ("scanResult" === key) {
            $("div.scan.loading").hide();
            $("#button-wifi-scan").attr("disabled", false);
            $("#scanResult").show();
        }

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

        if ("schConfig" === key) {
            $("#schedules")
                .attr("data-settings-max", value.max);

            let schema = value.schema;
            value["schedules"].forEach((entries, id) => {
                let cfg = fromSchema(entries, id);
                addSchedule(cfg, value);
            });

            return;
        }

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

        if ("relayConfig" === key) {
            if ($("#relays > div").length) {
                return;
            }

            if ($("#relayConfig > legend").length) {
                return;
            }

            let schema = value.schema;
            value["relays"].forEach((entries, id) => {
                let cfg = fromSchema(entries, schema);
                var name = cfg["relayName"];
                if (!cfg.relayName.length) {
                    cfg.relayName = "Switch #" + id;
                }

                initRelay(id, cfg, value);
                initRelayConfig(id, cfg, value);
            });
            return;
        }

        if ("relayState" === key) {
            updateRelays(value);
            return;
        }

        // ---------------------------------------------------------------------
        // Curtain(s)
        // ---------------------------------------------------------------------

        //removeIf(!curtain)

        // Relay configuration
        if ("curtainConfig" === key) {
            initCurtainConfig(value);
            return;
        }

        //endRemoveIf(!curtain)



        // ---------------------------------------------------------------------
        // LEDs
        // ---------------------------------------------------------------------

        if ("led" === key) {
            if($("#ledConfig > div").length > 0) return;

            var schema = value["schema"];
            value["list"].forEach(function(led_data, index) {
                var line = loadConfigTemplate("ledConfigTemplate");

                $("span.id", line).html(index);
                $("select", line).attr("data", index);
                $("input", line).attr("data", index);

                var led = fromSchema(led_data, schema);

                $("select[name='ledGPIO']", line).val(led.GPIO);
                // XXX: checkbox implementation depends on unique id
                // $("input[name='ledInv']", line).val(led.Inv);
                $("select[name='ledMode']", line).val(led.Mode);
                $("input[name='ledRelay']", line).val(led.Relay);

                setOriginalsFromValues($("input,select", line));

                line.appendTo("#ledConfig");
            });

            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)

        // ---------------------------------------------------------------------
        // HTTP API
        // ---------------------------------------------------------------------

        // Auto generate an APIKey if none defined yet
        if ("apiVisible" === key) {
            if (data.apiKey === undefined || data.apiKey === "") {
                generateAPIKey();
            }
        }

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

        if ("saved" === key) {
            configurationSaved = value;
            return;
        }

        if ("message" === key) {
            window.alert(value);
            return;
        }

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

            var msg = value["msg"];
            var pre = value["pre"];

            for (var i=0; i < msg.length; ++i) {
                if (pre[i]) {
                    $("#weblog").append(new Text(pre[i]));
                }
                $("#weblog").append(new Text(msg[i]));
            }

            followScroll("weblog");
            return;
        }

        // Enable options
        var position = key.indexOf("Visible");
        if (position > 0 && position === key.length - 7) {
            var module = key.slice(0,-7);
            moduleVisible(module);
            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 = parseInt(value, 10);
            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";
        }
        //removeIf(!thermostat)
        if ("tmpUnits" == key) {
            $("span.tmpUnit").html(data[key] == 3 ? "ºF" : "ºC");
        }
        //endRemoveIf(!thermostat)

        // ---------------------------------------------------------------------
        // Matching
        // ---------------------------------------------------------------------
        var elems = [];

        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);
            }
            elems.push(input);
        }

        // Look for SPANs
        var span = $("span[name='" + key + "']");
        if (span.length > 0) {
            if (Array.isArray(value)) {
                value.forEach(function(elem) {
                    span.append(elem);
                    span.append('</br>');
                    elems.push(span);
                });
            } else {
                pre = span.attr("pre") || "";
                post = span.attr("post") || "";
                span.html(pre + value + post);
                elems.push(span);
            }
        }

        // Look for SELECTs
        var select = $("select[name='" + key + "']");
        if (select.length > 0) {
            if (select.attr("multiple") !== undefined) {
                select.val(bitsetToValues(value));
            } else {
                select.val(value);
            }
            elems.push(select);
        }

        setOriginalsFromValues($(elems));

    });

}

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");
    }

    if ($(this).attr("multiple") !== undefined) {
        newValue = newValue.join(",");
    }

    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);

    fetch(urls.auth.href, {
        'method': 'GET',
        'cors': true,
        'credentials': 'same-origin'
    }).then(function(response) {
        // Nothing to do, reload page and retry
        if (response.status != 200) {
            doReload(5000);
            return;
        }
        // update websock object
        if (websock) { websock.close(); }
        websock = new WebSocket(urls.ws.href);
        websock.onmessage = function(evt) {
            var data = {};
            try {
                data = JSON.parse(evt.data
                    .replace(/\n/g, "\\n")
                    .replace(/\r/g, "\\r")
                    .replace(/\t/g, "\\t"));
            } catch (e) {
                console.log(e);
            }

            processData(data);
        };
        websock.onclose = function(evt) {
            clearInterval(ws_pingpong);
            if (window.confirm("Connection lost with the device, click OK to refresh the page")) {
                $("#layout").toggle(false);
                window.location.reload();
            }
        }
        websock.onopen = function(evt) {
            ws_pingpong = setInterval(function() { sendAction("ping", {}); }, 5000);
        }
    }).catch(function(error) {
        console.log(error);
        doReload(5000);
    });

}

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() {

    // most of the time, we want this unconditionally for all <a href="..."></a>
    $("a.external")
        .attr("target", "_blank")
        .attr("rel", "noopener")
        .attr("tabindex", "-1");

    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-wifi-scan").on("click", doScan);

    $(".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-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);

    //removeIf(!garland)
    $(".checkbox-garland-enable").on("change", function() {
        sendAction("garland_switch", {status: $(this).prop("checked") ? 1 : 0});
    });

    $(".slider-garland-brightness").on("change", function() {
        sendAction("garland_set_brightness", {brightness: $(this)[0].value});
    });

    $(".slider-garland-speed").on("change", function() {
        sendAction("garland_set_speed", {speed: $(this)[0].value});
    });

    $(".button-garland-set-default").on("click", function() {
        sendAction("garland_set_default", {});
    });
    //endRemoveIf(!garland)

    //removeIf(!thermostat)
    $(".button-thermostat-reset-counters").on('click', doResetThermostatCounters);
    //endRemoveIf(!thermostat)

    $(".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", function() {
        addSchedule({schType: 1, schSwitch: -1});
    });
    //removeIf(!light)
    $(".button-add-light-schedule").on("click", function() {
        addSchedule({schType: 2, schSwitch: -1});
    });
    //endRemoveIf(!light)

    //removeIf(!curtain)
    $(".button-add-curtain-schedule").on("click", function() {
        addSchedule({schType: 3, schSwitch: -1});
    });
    //endRemoveIf(!curtain)

    $(".button-add-rpnrule").on('click', addRPNRule);
    $(".button-add-rpntopic").on('click', addRPNTopic);

    $(".button-del-parent").on('click', delParent);

    //removeIf(!rfm69)
    $(".button-add-mapping").on('click', addMapping);
    $(".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)

    $(".gpio-select").each(function(_, elem) {
        initSelectGPIO(elem)
    });

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

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

    resetOriginals();

    $(".settings-group").each(function() {
        groupSettingsObserver.observe(this, {childList: true});
    });

    // don't autoconnect when opening from filesystem
    if (window.location.protocol === "file:") {
        processData({"webMode": 0});
        return;
    }

    // Check host param in query string
    var search = new URLSearchParams(window.location.search),
        host = search.get("host");

    if (host !== null) {
        connect(host);
    } else {
        connectToCurrentURL();
    }

});