Add multilanguage support

Reviewed-on: #2

.gitignore

@@ -1,3 +1,6 @@
 node_modules
 rename.sh
 data-persistence.json
+log-journal.json
+config.json
+log-journal.json

helpers.js

@@ -29,4 +29,27 @@ function wrapBooleanConverter(stringBoolean, res) {
   }
 }
 
-module.exports = { convertStringBooleanToBoolean, wrapBooleanConverter };
+/**
+ * Tries to parse a string to a JSON object. Returns false if invalid. Taken from https://stackoverflow.com/a/20392392/11317151
+ * @param {String} jsonString A JSON String to parse
+ * @returns {Object/Boolean} JSON Object if valid or false otherwise
+ */
+function tryToParseJson(jsonString) {
+    try {
+        var o = JSON.parse(jsonString);
+
+        // Handle non-exception-throwing cases:
+        // Neither JSON.parse(false) or JSON.parse(1234) throw errors, hence the type-checking,
+        // but... JSON.parse(null) returns null, and typeof null === "object", 
+        // so we must check for that, too. Thankfully, null is falsey, so this suffices:
+        if (o && typeof o === "object") {
+            return o;
+        }
+    }
+    catch (e) { }
+
+    return false;
+}
+
+
+module.exports = { convertStringBooleanToBoolean, wrapBooleanConverter, tryToParseJson };

index.js

@@ -4,6 +4,9 @@ const bodyParser = require("body-parser");
 const ws = require('ws');
 const helper = require("./helpers.js");
 const loggy = require("./logging")
+const Eta = require("eta");
+const _ = require("underscore")
+
 loggy.init(true)
 
 loggy.log("Preparing server", "info", "Server");
@@ -49,14 +52,34 @@ currentState = {
   srvTime: 0,
   enableColoredText: true,
   debug: false,
-  sessionToken: Math.random().toString(36).substring(2, 15) + Math.random().toString(36).substring(2, 15),
+  sessionToken: Math.random().toString(36).substring(2, 15) + Math.random().toString(36).substring(2, 15)
 };
 
-const dataToBeWritten = {};
+let configObject = {
+  language: "en_uk"
+}
+
+const tempJsonText = JSON.parse(fs.readFileSync("config.json", "utf8"));
+configObject = _.extend(configObject, tempJsonText);
+fs.writeFileSync("config.json", JSON.stringify(configObject));
 
 currentState = Object.assign({}, currentState, loadedData);
 currentState.textColors = currentState.colorSegments
 
+loggy.log("Searching for languages", "info", "Language")
+const languagesRaw = fs.readdirSync("./lang");
+const languages = [];
+for (let i = 0; i < languagesRaw.length; i++) {
+  if (languagesRaw[i].endsWith(".json")) {
+    languages.push(languagesRaw[i].replace(".json", ""));
+  }
+}
+loggy.log("Found " + languages.length + " languages", "info", "Language")
+
+
+
+loggy.log("Reading language file", "info", "Language")
+let languageProfile = JSON.parse(fs.readFileSync("lang/" + configObject.language + ".json", "utf8"));
 
 loggy.log("Preparing websocket", "info", "Websocket");
 const wsServer = new ws.Server({ noServer: true });
@@ -88,7 +111,24 @@ function updatedData() {
 loggy.log("Preparing routes", "info", "Server");
 app.get("/", function (req, res) {
   const data = fs.readFileSync("templates/newAdminPanel.html", "utf8");
-  res.send(data);
+  try {
+    res.send(
+      Eta.render(data, {
+        lang: languageProfile,
+        additional: {
+          languages: languages
+        }
+      }));
+  } catch (e) {
+    loggy.log("Error rendering template", "error", "Server");
+    const dataN = fs.readFileSync("templates/brokenTranslation.html", "utf8");
+    res.send(
+      Eta.render(dataN, {
+        additional: {
+          languages: languages
+        }
+      }));
+  }
 });
 
 app.get("/timer", function (req, res) {
@@ -299,7 +339,49 @@ app.get("/api/v1/storage/delete", function (req, res) {
   updatedData()
 });
 
-app.use(function(req, res, next) {
+// UI Routes
+// Returns an object containg all available languages
+app.get("/api/ui/v1/lang/list", function handleLangList(req, res){
+  const tempRespObject = {
+    status: "ok",
+    languages: languages
+  }
+  res.json(tempRespObject);
+})
+
+app.get("/api/ui/v1/lang/set", function (req, res) {
+  if(req.query.lang == undefined || req.query.lang == ""){
+    res.json({ status: "error", reason: "Missing language" });
+    return;
+  }
+  const testLang = req.query.lang;
+  loggy.log("Reloading language file", "info", "Language")
+  if(!fs.existsSync("lang/" + testLang + ".json")){
+    loggy.log("Language reload failed, file does not exist", "error", "Language")
+    res.status(500).json({ status: "error", reason: "Language file not found" });
+    return
+  }
+  const tempLang = fs.readFileSync("lang/" + testLang + ".json", "utf8");
+  const tempLangObj = helper.tryToParseJson(tempLang);
+  if(!tempLangObj){
+    loggy.log("Language reload failed, file is not valid", "error", "Language")
+    res.status(500).json({ status: "error", reason: "Language file is not valid" });
+    return
+  }
+  if(tempLangObj._metadata == undefined){
+    loggy.log("Language reload failed, file is not valid, metadata missing", "error", "Language")
+    res.status(500).json({ status: "error", reason: "Language file is not valid" });
+    return
+  }
+  loggy.log("Language reloaded, loaded " + tempLangObj._metadata.lang + "@" + tempLangObj._metadata.version, "info", "Language")
+  configObject.language = req.query.lang;
+  languageProfile = tempLangObj;
+  res.status(200).json({ status: "ok" });
+  fs.writeFileSync("config.json", JSON.stringify(configObject));
+});
+
+
+app.use(function (req, res, next) {
   res.status(404);
   loggy.log("Server responded with 404 error", "warn", "Server", true);
 
@@ -323,18 +405,29 @@ app.use(function(req, res, next) {
 
 
 
+/*app.use(function(err, req, res, next) {
+  console.error(err.stack);
+  if(String(err.stack).includes("TypeError: Cannot read properties of undefined")) {
+    const data = fs.readFileSync("templates/brokenTranslation.html", "utf8");
+    res.send(data);
+  }else{
+    res.status(500).send('Something broke!');
+  }
+ 
+});*/
+
+
+
 loggy.log("Starting server", "info", "Server");
 
-
-const port = 3005
+const port = 3005;
 
 process.on('SIGINT', function () {
   loggy.log("Caught interrupt signal and shutting down gracefully", "info", "Shutdown");
   server.close(); // Make the express server stop
-    loggy.log("Goodbye! 👋", "magic", "Shutdown", true)
-    loggy.close()
-    process.exit(); // Quit the application
-  
+  loggy.log("Goodbye! 👋", "magic", "Shutdown", true)
+  loggy.close(); // Close and write log
+  process.exit(); // Quit the application
 });
 
 const server = app.listen(port);

lang/de_de.json

@@ -0,0 +1,69 @@
+{
+    "titles": {
+        "home": "Startseite",
+        "preview": "Vorschau",
+        "mode": "Modus",
+        "messaging": "Nachrichten",
+        "countdownToTime": "Auf Uhrzeit runterzählen",
+        "attention": "Achtung",
+        "hostinfo": "Host Informationen"
+    },
+    "sidebar": {
+        "home": "Startseite",
+        "settings": "Einstellungen",
+        "debug": "Debug",
+        "about": "Über"
+    },
+    "hints": 
+    {
+        "previewHint": "Eine Vorschau der Timeransicht.",
+        "modeHint": "",
+        "messagingHint": "Zeigt eine Nachricht auf der Timeransicht an.",
+        "copyHint": "Kopiert den Link zu der Countdown-Seite.",
+        "openInNewTab": "Öffnet den Link in einem neuen Tab.",
+        "selectMode": "Wählt einen Modus für die Timeransicht."
+    },
+    "placeholders": {
+        "msgHere": "Message here"
+    },
+    "others":
+    {
+        "timer": "Timer",
+        "clock": "Uhr",
+        "black": "Schwarz",
+        "test": "Testbild"
+    },
+    "labels":
+    {
+        "clockOnTimer": "Zeigt die Uhrzeit auf dem Timer:",
+        "showMillis": "Zeigt Millisekunden auf dem Timer:",
+        "showProgress": "Zeige Fortschrittsbalken:",
+        "progbarColors": "Fortschrittsbalken Farben",
+        "time": "Zeit",
+        "color": "Farbe",
+        "remove": "Entfernen",
+        "enableTextClrs": "Text Farben aktivieren:",
+        "textClrs": "Text Farben",
+        "addRow": "Neue Zeile",
+        "timeVar": "Aktiviere zeitabweichungs display:"
+    },
+    "untis": 
+    {
+        "seconds": "Sekunden",
+        "minutes": "Minutes",
+        "hours": "Stunden",
+        "days": "Tage",
+        "weeks": "Wochen",
+        "months": "Monate",
+        "years": "Jahre"
+    },
+    "informationTexts": {
+        "debugInfo": "Das hier ist eine debug seite welche nur von professionellen Personen verwendet werden sollte. ",
+        "proceedCaution": "Gehen Sie vorsichtig vor."
+    },
+    "_metadata": {
+        "lang": "de",
+        "version": "1.0.0",
+        "authors": ["TheGreydiamond"]
+    }
+}

lang/en_uk.json

@@ -0,0 +1,72 @@
+{
+    "titles": {
+        "home": "Homepage",
+        "preview": "Preview",
+        "mode": "Mode",
+        "messaging": "Messaging",
+        "countdownToTime": "Countdown to time",
+        "attention": "Attention",
+        "hostinfo": "Host information",
+        "uiSettings": "UI settings"
+    },
+    "sidebar": {
+        "home": "Home",
+        "settings": "Settings",
+        "debug": "Debug",
+        "about": "About"
+    },
+    "hints": 
+    {
+        "previewHint": "A preview of what is currently visible on the countdown view",
+        "modeHint": "",
+        "messagingHint": "Shows a given message on the timer view",
+        "copyHint": "Copies the link to the timer view",
+        "openInNewTab": "Open the countdown view in a new tab",
+        "selectMode": "Select what to show on the countdown view"
+    },
+    "placeholders": {
+        "msgHere": "Message here"
+    },
+    "others":
+    {
+        "timer": "Timer",
+        "clock": "Clock",
+        "black": "Black",
+        "test": "Testimage"
+    },
+    "labels":
+    {
+        "clockOnTimer": "Show clock on Timer:",
+        "showMillis": "Show Milliseconds on Timer:",
+        "showProgress": "Show progressbar:",
+        "progbarColors": "Progressbar Colors",
+        "time": "Time",
+        "color": "Color",
+        "remove": "Remove",
+        "enableTextClrs": "Enable Text Colours:",
+        "textClrs": "Text Colours",
+        "addRow": "Add Row",
+        "timeVar": "Enable time variance display:",
+        "language": "Select a language",
+        "apply": "Apply"
+    },
+    "untis": 
+    {
+        "seconds": "Seconds",
+        "minutes": "Minutes",
+        "hours": "Hours",
+        "days": "Days",
+        "weeks": "Weeks",
+        "months": "Months",
+        "years": "Years"
+    },
+    "informationTexts": {
+        "debugInfo": "This is a debug page which should only be used by professionals. Changing any options below might impact operation.",
+        "proceedCaution": "Proceed with caution."
+    },
+    "_metadata": {
+        "lang": "en",
+        "version": "1.0.0",
+        "authors": ["TheGreydiamond"]
+    }
+}

lang/proto_black.json

@@ -0,0 +1,70 @@
+{
+    "titles": {
+        "home": "████████",
+        "preview": "██████",
+        "mode": "████",
+        "messaging": "█████████",
+        "countdownToTime": "█████████ ██ ████",
+        "attention": "███████████",
+        "hostinfo": "████ █████████"
+    },
+    "sidebar": {
+        "home": "████",
+        "settings": "████████",
+        "debug": "█████",
+        "about": "█████"
+    },
+    "hints": 
+    {
+        "previewHint": "█ ████ ███████ ████",
+        "modeHint": "",
+        "messagingHint": "████ █ ██████ ██ █████",
+        "copyHint": "██████ ███ ████ ██ ███ █████ ████",
+        "openInNewTab": "████ ███ ████████ ████ █ █ ███ ███",
+        "selectMode": "█████ ████ ██ ████ ██ ███ ████████ ████"
+    },
+    "placeholders": {
+        "msgHere": "██████ ████"
+    },
+    "others":
+    {
+        "timer": "████",
+        "clock": "█████",
+        "black": "████",
+        "test": "███████"
+    },
+    "labels":
+    {
+        "clockOnTimer": "████ █████ ██ █████:",
+        "showMillis": "████ ███████████ ██ █████:",
+        "showProgress": "████ █████████:",
+        "progbarColors": "████████ ████",
+        "time": "████",
+        "color": "█████",
+        "remove": "██████",
+        "enableTextClrs": "██████ ████ ███████:",
+        "textClrs": "████ ██████",
+        "addRow": "███ ███",
+        "timeVar": "██████ ████ ███████ ███████:"
+    },
+    "untis": 
+    {
+        "seconds": "Seconds",
+        "minutes": "Minutes",
+        "hours": "Hours",
+        "days": "Days",
+        "weeks": "Weeks",
+        "months": "Months",
+        "years": "Years"
+    },
+    "informationTexts": {
+        "debugInfo": "████ ██ █ █████ ████ █████ █████ ████ ██ ████ ██ ██████████. ████████ ███ ██████ █████ █████ █████ ██████.",
+        "proceedCaution": "█████ ████ ███████."
+    },
+    "_metadata": {
+        "lang": "none",
+        "version": "1.0.0",
+        "authors": ["TheGreydiamond"],
+        "comment": "A test language without proper text and only black blocks. █"
+    }
+}

log-journal.json

@@ -1 +1 @@
-[{"timestamp":"2022-03-29 20:16:25.083","level":"info","module":"Logging","message":"2022-03-29 20:16:25.083 [info]  [Logging] Logging initialized"},{"timestamp":"2022-03-29 20:16:25.084","level":"info","module":"Server","message":"2022-03-29 20:16:25.084 [info]  [Server] Preparing server"},{"timestamp":"2022-03-29 20:16:25.085","level":"info","module":"Server","message":"2022-03-29 20:16:25.085 [info]  [Server] Preparing static routes"},{"timestamp":"2022-03-29 20:16:25.087","level":"info","module":"Server","message":"2022-03-29 20:16:25.087 [info]  [Server] Preparing middlewares"},{"timestamp":"2022-03-29 20:16:25.088","level":"info","module":"Config","message":"2022-03-29 20:16:25.088 [info]  [Config] Loading config"},{"timestamp":"2022-03-29 20:16:25.088","level":"info","module":"Websocket","message":"2022-03-29 20:16:25.088 [info]  [Websocket] Preparing websocket"},{"timestamp":"2022-03-29 20:16:25.089","level":"info","module":"Server","message":"2022-03-29 20:16:25.089 [info]  [Server] Preparing routes"},{"timestamp":"2022-03-29 20:16:25.091","level":"info","module":"Server","message":"2022-03-29 20:16:25.091 [info]  [Server] Starting server"},{"timestamp":"2022-03-29 20:16:35.159","level":"info","module":"Shutdown","message":"2022-03-29 20:16:35.159 [info]  [Shutdown] Caught interrupt signal and shutting down gracefully"}]
+[{"timestamp":"2022-05-12 18:53:40.121","level":"info","module":"Logging","message":"2022-05-12 18:53:40.121 [info]  [Logging] Logging initialized"},{"timestamp":"2022-05-12 18:53:40.122","level":"info","module":"Server","message":"2022-05-12 18:53:40.122 [info]  [Server] Preparing server"},{"timestamp":"2022-05-12 18:53:40.123","level":"info","module":"Server","message":"2022-05-12 18:53:40.123 [info]  [Server] Preparing static routes"},{"timestamp":"2022-05-12 18:53:40.125","level":"info","module":"Server","message":"2022-05-12 18:53:40.125 [info]  [Server] Preparing middlewares"},{"timestamp":"2022-05-12 18:53:40.125","level":"info","module":"Config","message":"2022-05-12 18:53:40.125 [info]  [Config] Loading config"},{"timestamp":"2022-05-12 18:53:40.127","level":"info","module":"Language","message":"2022-05-12 18:53:40.127 [info]  [Language] Searching for languages"},{"timestamp":"2022-05-12 18:53:40.127","level":"info","module":"Language","message":"2022-05-12 18:53:40.127 [info]  [Language] Found 3 languages"},{"timestamp":"2022-05-12 18:53:40.127","level":"info","module":"Language","message":"2022-05-12 18:53:40.127 [info]  [Language] Reading language file"},{"timestamp":"2022-05-12 18:53:40.128","level":"info","module":"Websocket","message":"2022-05-12 18:53:40.128 [info]  [Websocket] Preparing websocket"},{"timestamp":"2022-05-12 18:53:40.128","level":"info","module":"Server","message":"2022-05-12 18:53:40.128 [info]  [Server] Preparing routes"},{"timestamp":"2022-05-12 18:53:40.129","level":"info","module":"Server","message":"2022-05-12 18:53:40.129 [info]  [Server] Starting server"},{"timestamp":"2022-05-12 18:53:41.756","level":"error","module":"Server","message":"2022-05-12 18:53:41.756 [error]  [Server] Error rendering template"},{"timestamp":"2022-05-12 18:54:18.336","level":"error","module":"Server","message":"2022-05-12 18:54:18.336 [error]  [Server] Error rendering template"},{"timestamp":"2022-05-12 18:54:20.275","level":"info","module":"Shutdown","message":"2022-05-12 18:54:20.275 [info]  [Shutdown] Caught interrupt signal and shutting down gracefully"}]

package-lock.json

@@ -15,12 +15,14 @@
         "bootstrap-icons": "^1.8.1",
         "colors": "^1.4.0",
         "darkreader": "^4.9.44",
+        "eta": "^1.12.3",
         "express": "^4.17.3",
         "flatpickr": "^4.6.11",
         "jquery": "^3.6.0",
         "js-cookie": "^3.0.1",
         "less": "^3.13",
         "mdbootstrap": "^4.20.0",
+        "underscore": "^1.13.3",
         "ws": "^8.5.0"
       }
     },
@@ -215,6 +217,17 @@
       "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
       "integrity": "sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg="
     },
+    "node_modules/eta": {
+      "version": "1.12.3",
+      "resolved": "https://registry.npmjs.org/eta/-/eta-1.12.3.tgz",
+      "integrity": "sha512-qHixwbDLtekO/d51Yr4glcaUJCIjGVJyTzuqV4GPlgZo1YpgOKG+avQynErZIYrfM6JIJdtiG2Kox8tbb+DoGg==",
+      "engines": {
+        "node": ">=6.0.0"
+      },
+      "funding": {
+        "url": "https://github.com/eta-dev/eta?sponsor=1"
+      }
+    },
     "node_modules/etag": {
       "version": "1.8.1",
       "resolved": "https://registry.npmjs.org/etag/-/etag-1.8.1.tgz",
@@ -694,6 +707,11 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/underscore": {
+      "version": "1.13.3",
+      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.3.tgz",
+      "integrity": "sha512-QvjkYpiD+dJJraRA8+dGAU4i7aBbb2s0S3jA45TFOvg2VgqvdCDd/3N6CqA8gluk1W91GLoXg5enMUx560QzuA=="
+    },
     "node_modules/unpipe": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
@@ -881,6 +899,11 @@
       "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
       "integrity": "sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg="
     },
+    "eta": {
+      "version": "1.12.3",
+      "resolved": "https://registry.npmjs.org/eta/-/eta-1.12.3.tgz",
+      "integrity": "sha512-qHixwbDLtekO/d51Yr4glcaUJCIjGVJyTzuqV4GPlgZo1YpgOKG+avQynErZIYrfM6JIJdtiG2Kox8tbb+DoGg=="
+    },
     "etag": {
       "version": "1.8.1",
       "resolved": "https://registry.npmjs.org/etag/-/etag-1.8.1.tgz",
@@ -1238,6 +1261,11 @@
         "mime-types": "~2.1.24"
       }
     },
+    "underscore": {
+      "version": "1.13.3",
+      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.3.tgz",
+      "integrity": "sha512-QvjkYpiD+dJJraRA8+dGAU4i7aBbb2s0S3jA45TFOvg2VgqvdCDd/3N6CqA8gluk1W91GLoXg5enMUx560QzuA=="
+    },
     "unpipe": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",

package.json

@@ -15,12 +15,14 @@
     "bootstrap-icons": "^1.8.1",
     "colors": "^1.4.0",
     "darkreader": "^4.9.44",
+    "eta": "^1.12.3",
     "express": "^4.17.3",
     "flatpickr": "^4.6.11",
     "jquery": "^3.6.0",
     "js-cookie": "^3.0.1",
     "less": "^3.13",
     "mdbootstrap": "^4.20.0",
+    "underscore": "^1.13.3",
     "ws": "^8.5.0"
   }
 }

static/css/styles.css

@@ -55,7 +55,7 @@ html, body {
 .progBar {
   appearance: none;
   height: 100%;
-  width: 80%;
+  width: 0%;
   border-radius: 0px;
   background-color: darkcyan;
 }

static/js/interface.js

@@ -50,6 +50,19 @@ $(function () {
         jsonview.expand(tree2);
     })
 
+    $("#applyLang").on("click", function (event) {
+        const lang = $("#lang").val()
+        saveOption("/api/ui/v1/lang/set?lang=" + lang, function handleLangSelect(event, xmlHttp) {
+            const temp = JSON.parse(xmlHttp.responseText)
+            if(temp.status == "error") {
+                alert("Request failed reason: " + temp.reason)
+            } else {
+                location.reload()
+            }
+            console.log(JSON.parse(xmlHttp.responseText))
+        })
+    })
+
     $("#addRow").on("click", function (event) {
         const tableEntryDom = document.getElementById("tableCopySource").cloneNode(true)
         let temp = tableEntryDom.innerHTML

templates/brokenTranslation.html

@@ -0,0 +1,146 @@
+<!doctype html>
+<html lang="en">
+
+<head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+
+    <title>openCountdown - Admin</title>
+    <meta name="description" content="openCountdown">
+    <meta name="author" content="TheGreydiamond">
+
+
+    <link rel="stylesheet" href="/css/bootstrap-icons.css">
+    <link rel="stylesheet" href="/mdbootstrap/css/style.css">
+
+    <script src="/bootstrap/dist/js/bootstrap.bundle.min.js"></script>
+    <script src="/js/jquery.min.js"></script>
+    <script type="text/javascript" src="/mdbootstrap/js/mdb.min.js"></script>
+
+    <script type="text/javascript" src="/js/darkreader.js"></script>
+    <script type="text/javascript" src="/js/cookie.js"></script>
+    <link href="/bootstrap/dist/css/bootstrap.min.css" rel="stylesheet">
+    <link href="/css/mainStyle.css" rel="stylesheet">
+    <link rel="stylesheet" href="/coloris/coloris.min.css" />
+    <link rel="stylesheet" href="/bootstrap-duration-picker/bootstrap-duration-picker.css" />
+    <link rel="stylesheet" href="/flatpickr/dist/flatpickr.min.css" />
+    <script src="/bootstrap-duration-picker/bootstrap-duration-picker-debug.js"></script>
+    <script src="/coloris/coloris.min.js"></script>
+
+    <script type="text/javascript" src="/flatpickr/dist/flatpickr.js"> </script>
+
+    <link rel="stylesheet" href="/css/bootstrap-icons.css">
+</head>
+
+<body>
+
+    <main>
+        <div class="d-flex flex-column flex-shrink-0 p-3 text-white bg-dark trans" style="width: 250px;"
+            id="navbarToggleExternalContent">
+            <a href="/" class="d-flex align-items-center mb-3 mb-md-0 me-md-auto text-white text-decoration-none">
+                <svg class="bi me-2" width="40" height="32">
+                    <use xlink:href="#bootstrap" />
+                </svg>
+                <span class="fs-4">Sidebar</span>
+            </a>
+            <hr>
+            <ul class="nav nav-pills flex-column mb-auto">
+                <li class="nav-item">
+                    <a href="#homeP" class="nav-link active" aria-current="page" id="PageIndex">
+                        <i class="bi bi-house-door"></i>
+                        Home
+                    </a>
+                </li>
+            </ul>
+            <hr>
+            openCountdown <div class="btn-group" role="group" aria-label="Basic radio toggle button group">
+
+                <input type="radio" class="btn-check" name="btnradio2" id="Mbtnradio1" autocomplete="off" checked>
+                <label class="btn btn-outline-primary" for="Mbtnradio1"><svg xmlns="http://www.w3.org/2000/svg"
+                        width="16" height="16" fill="currentColor" class="bi bi-brightness-high-fill"
+                        viewBox="0 0 16 16">
+                        <path
+                            d="M12 8a4 4 0 1 1-8 0 4 4 0 0 1 8 0zM8 0a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 0zm0 13a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 13zm8-5a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2a.5.5 0 0 1 .5.5zM3 8a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2A.5.5 0 0 1 3 8zm10.657-5.657a.5.5 0 0 1 0 .707l-1.414 1.415a.5.5 0 1 1-.707-.708l1.414-1.414a.5.5 0 0 1 .707 0zm-9.193 9.193a.5.5 0 0 1 0 .707L3.05 13.657a.5.5 0 0 1-.707-.707l1.414-1.414a.5.5 0 0 1 .707 0zm9.193 2.121a.5.5 0 0 1-.707 0l-1.414-1.414a.5.5 0 0 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .707zM4.464 4.465a.5.5 0 0 1-.707 0L2.343 3.05a.5.5 0 1 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .708z" />
+                    </svg>
+                </label>
+
+                <input type="radio" class="btn-check" name="btnradio2" id="Mbtnradio2" autocomplete="off">
+                <label class="btn btn-outline-primary" for="Mbtnradio2">
+                    <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor"
+                        class="bi bi-moon-fill" viewBox="0 0 16 16">
+                        <path
+                            d="M6 .278a.768.768 0 0 1 .08.858 7.208 7.208 0 0 0-.878 3.46c0 4.021 3.278 7.277 7.318 7.277.527 0 1.04-.055 1.533-.16a.787.787 0 0 1 .81.316.733.733 0 0 1-.031.893A8.349 8.349 0 0 1 8.344 16C3.734 16 0 12.286 0 7.71 0 4.266 2.114 1.312 5.124.06A.752.752 0 0 1 6 .278z" />
+                    </svg>
+                </label>
+
+                <input type="radio" class="btn-check" name="btnradio2" id="Mbtnradio3" autocomplete="off">
+                <label class="btn btn-outline-primary" for="Mbtnradio3">
+                    Auto
+                </label>
+
+            </div>
+        </div>
+        <pages class="d-flex flex-fill" id="pageCont" class="z-index: 50;">
+
+
+            <page id="homeP" class="pageC flex-fill overflow-auto">
+
+                <div class="container">
+                    <div class=""
+                        style=" display: flex;align-items: center;justify-content: center; flex-wrap: wrap; flex-direction: column;">
+
+                        <h1>Oh no!</h1>
+                        <h1>
+                            <i class="bi bi-translate"></i>
+                        </h1>
+                        <h5>
+                            There is a critical error with the current language template. Please select a diffrent
+                            language.
+                        </h5>
+                        <label for="lang">Please choose a language: </label>
+                        <select name="lang" id="lang">
+                            <% it.additional.languages.forEach(function(lang){ %>
+                                <option value="<%= lang %>">
+                                    <%= lang %>
+                                </option>
+                                <% }) %>
+                        </select>
+                        <button id="applyLang" class="btn btn-outline-success">
+                            Apply & Reload
+                        </button>
+
+                    </div>
+                </div>
+
+            </page>
+        </pages>
+    </main>
+    <script type="text/javascript" src="js/jsonview.js"></script>
+    <script type="text/javascript" src="/js/interface.js"> </script>
+    <script type="text/javascript">
+
+        Coloris({
+            el: '.coloris',
+            alpha: false,
+        });
+        $(function () {
+            $('[data-toggle="tooltip"]').tooltip({ container: "body" })
+        })
+        $("#applyLang").on("click", function (event) {
+            const lang = $("#lang").val()
+            saveOption("/api/ui/v1/lang/set?lang=" + lang, function handleLangSelect(event, xmlHttp) {
+                const temp = JSON.parse(xmlHttp.responseText)
+                if (temp.status == "error") {
+                    alert("Request failed reason: " + temp.reason)
+                } else {
+                    location.reload()
+                }
+                console.log(JSON.parse(xmlHttp.responseText))
+            })
+        })
+
+    </script>
+
+</body>
+
+</html>

templates/newAdminPanel.html

@@ -48,25 +48,25 @@
                 <li class="nav-item">
                     <a href="#homeP" class="nav-link active" aria-current="page" id="PageIndex">
                         <i class="bi bi-house-door"></i>
-                        Home
+                        <%= it.lang.sidebar.home %>
                     </a>
                 </li>
                 <li>
                     <a href="#settings" class="nav-link text-white" id="PageSettings">
                         <i class="bi bi-gear"></i>
-                        Settings
+                        <%= it.lang.sidebar.settings %>
                     </a>
                 </li>
                 <li>
                     <a href="#debug" class="nav-link text-white" id="PageDebug">
                         <i class="bi bi-bug"></i>
-                        Debug
+                        <%= it.lang.sidebar.debug %>
                     </a>
                 </li>
                 <li>
                     <a href="#about" class="nav-link text-white" id="PageAbout">
                         <i class="bi bi-info-circle"></i>
-                        About
+                        <%= it.lang.sidebar.about %>
                     </a>
                 </li>
             </ul>
@@ -109,24 +109,24 @@
 
 
             <page id="homeP" class="pageC flex-fill overflow-auto">
-                <h1>Home page</h1>
+                <h1><%= it.lang.titles.home %></h1>
 
                 <div class="container">
                     <div class="row">
                         <div class="col">
-                            <h3 class="d-flex">Preview <span class="helperTip" data-placement="right" title="A preview of what is currently visible on the countdown view" data-toggle="tooltip">
+                            <h3 class="d-flex"><%= it.lang.titles.preview %> <span class="helperTip" data-placement="right" title="<%= it.lang.hints.previewHint %>" data-toggle="tooltip">
                                     <i class="bi bi-question-circle-fill"></i>
                                 </span>
                                  <div class="ms-auto">
                                     <span class="helperTip" data-placement="right"
-                                        title="Copies the link to the timer view" data-toggle="tooltip">
+                                        title="<%= it.lang.hints.copyHint %>" data-toggle="tooltip">
                                         <button class="btn" onclick="navigator.clipboard.writeText(window.location.toString() + 'timer')">
                                             <i class="bi bi-clipboard"></i>
                                         </button>
                                     </span>
 
                                     <span class="helperTip" data-placement="right"
-                                        title="Open the countdown view in a new tab" data-toggle="tooltip">
+                                        title="<%= it.lang.hints.openInNewTab %>" data-toggle="tooltip">
                                         <a href="/timer" class="btn " target="_blank"><i
                                                 class="bi bi-box-arrow-up-right"></i></a>
                                     </span>
@@ -136,23 +136,23 @@
                             </iframe>
                         </div>
                         <div class="col">
-                            <h3>Mode <span class="helperTip" data-placement="right"
-                                    title="Select what to show on the countdown view" data-toggle="tooltip">
+                            <h3><%= it.lang.titles.mode %> <span class="helperTip" data-placement="right"
+                                    title="<%= it.lang.hints.selectMode %>" data-toggle="tooltip">
                                     <i class="bi bi-question-circle-fill"></i>
                                 </span></h3>
                             <div class="btn-group" role="group" aria-label="Basic radio toggle button group">
                                 <input type="radio" class="btn-check" name="btnradio" id="btnradio1" autocomplete="off"
                                     checked>
-                                <label class="btn btn-outline-primary" for="btnradio1">Timer</label>
+                                <label class="btn btn-outline-primary" for="btnradio1"><%= it.lang.others.timer %></label>
 
                                 <input type="radio" class="btn-check" name="btnradio" id="btnradio2" autocomplete="off">
-                                <label class="btn btn-outline-primary" for="btnradio2">Clock</label>
+                                <label class="btn btn-outline-primary" for="btnradio2"><%= it.lang.others.clock %></label>
 
                                 <input type="radio" class="btn-check" name="btnradio" id="btnradio3" autocomplete="off">
-                                <label class="btn btn-outline-primary" for="btnradio3">Black</label>
+                                <label class="btn btn-outline-primary" for="btnradio3"><%= it.lang.others.black %></label>
 
                                 <input type="radio" class="btn-check" name="btnradio" id="btnradio4" autocomplete="off">
-                                <label class="btn btn-outline-primary" for="btnradio4">Testimage</label>
+                                <label class="btn btn-outline-primary" for="btnradio4"><%= it.lang.others.test %></label>
                             </div>
                             <br>
                             <br>
@@ -183,12 +183,12 @@
                             <br>
                             <br>
                             <br>
-                            <h3>Messaging <span class="helperTip" data-placement="right"
-                                    title="Shows a given message on the timer view" data-toggle="tooltip">
+                            <h3><%= it.lang.titles.messaging %> <span class="helperTip" data-placement="right"
+                                    title="<%= it.lang.hints.messagingHint %>" data-toggle="tooltip">
                                     <i class="bi bi-question-circle-fill"></i>
                                 </span></h3>
 
-                            <input type="text" id="messageContent" class="form-control" placeholder="Message here"
+                            <input type="text" id="messageContent" class="form-control" placeholder="<%= it.lang.placeholders.msgHere %>"
                                 style="width: 50%;">
 
                             <br>
@@ -201,7 +201,7 @@
                     </div>
                 </div>
                 <br><br><br>
-                <h3>Timer</h3>
+                <h3><%= it.lang.others.timer %></h3>
                 <div class="container">
 
 
@@ -229,15 +229,12 @@
                             </div>
                         </div>
                         <h5>
-                            Countdown to time
+                            <%= it.lang.titles.countdownToTime %>
                         </h5>
                         <div class="row justify-content-center flex-nowrap d-flex" >
                             <input id="datetimetester" class="form-control input-sm" style="width: 20%;">
                             <button class="btn btn-outline-primary goTimeGoalCountdown ms-2" style="width: 5%;"><i
                                 class="bi bi-check2-circle"></i></button>
-
-                            
-
                         </input>
                         </div>
                         
@@ -250,17 +247,17 @@
 
 
             <page id="settings" class="pageC hidden flex-fill overflow-auto">
-                <h1>Settings</h1>
-                <label for="showTime">Show clock on Timer:</label>
+                <h1><%= it.lang.sidebar.settings %></h1>
+                <label for="showTime"><%= it.lang.labels.clockOnTimer %></label>
                 <input type="checkbox" name="showTime" id="showTime"><br>
 
-                <label for="showMillis">Show Milliseconds on Timer:</label>
+                <label for="showMillis"><%= it.lang.labels.showMillis %></label>
                 <input type="checkbox" name="showMillis" id="showMillis"><br>
 
-                <label for="progBarShow">Show progressbar:</label>
+                <label for="progBarShow"><%= it.lang.labels.showProgress %></label>
                 <input type="checkbox" name="progBarShow" id="progBarShow"><br>
                 <details>
-                    <summary>Progressbar Colors</summary>
+                    <summary><%= it.lang.labels.progbarColors %></summary>
                     <p>
                     <div id="table" class="table-editable">
                         <span class="table-add float-right mb-3 mr-2"><a href="#!" class="text-success"><i
@@ -268,9 +265,9 @@
                         <table class="table table-bordered table-responsive-md table-striped text-center" id="colors1">
                             <thead>
                                 <tr>
-                                    <th class="text-center">Time</th>
-                                    <th class="text-center">Color</th>
-                                    <th class="text-center">Remove</th>
+                                    <th class="text-center"><%= it.lang.labels.time %></th>
+                                    <th class="text-center"><%= it.lang.labels.color %></th>
+                                    <th class="text-center"><%= it.lang.labels.remove %></th>
                                 </tr>
                             </thead>
                             </tbody>
@@ -281,19 +278,19 @@
                     </p>
                 </details>
                 <hr>
-                <label for="textColors">Enable Text Colors:</label>
+                <label for="textColors"><%= it.lang.labels.enableTextClrs %></label>
                 <input type="checkbox" name="textColors" id="textColors"><br>
                 <details>
-                    <summary>Text Colors</summary>
+                    <summary><%= it.lang.labels.textClrs %></summary>
                     <p>
 
                     <div id="table2" class="table-editable">
                         <table class="table table-bordered table-responsive-md table-striped text-center" id="colors2">
                             <thead>
                                 <tr>
-                                    <th class="text-center">Time</th>
-                                    <th class="text-center">Color</th>
-                                    <th class="text-center">Remove</th>
+                                    <th class="text-center"><%= it.lang.labels.time %></th>
+                                    <th class="text-center"><%= it.lang.labels.color %></th>
+                                    <th class="text-center"><%= it.lang.labels.remove %></th>
                                 </tr>
                             </thead>
                             </tbody>
@@ -302,7 +299,7 @@
                     <button type="button" class="btn btn-outline-success" id="copyColors">Copy from progressbar
                         colors</button>
 
-                    <button type="button" class="btn btn-outline-success" id="addRow2">Add row</button>
+                    <button type="button" class="btn btn-outline-success" id="addRow2"><%= it.lang.labels.row %></button>
                     </p>
                 </details>
                 <br>
@@ -314,18 +311,30 @@
                 <button type="button" class="btn btn-outline-success" id="saveLayout"><i class="bi bi-save"></i> Save as
                     startup settings (Layout
                     only)</button>
+
+                <hr>
+                <h2><%= it.lang.titles.uiSettings %></h2>
+                <label for="lang"><%= it.lang.labels.language %>:</label>
+                <select name="lang" id="lang">-
+                  <% it.additional.languages.forEach(function(lang){ %>
+                    <option value="<%= lang %>"><%= lang %></option>
+                  <% }) %>
+                </select>
+                <button id="applyLang" class="btn btn-outline-success">
+                    <%= it.lang.labels.apply %>
+                </button>
             </page>
 
+
             <page id="debug" class="pageC hidden flex-fill overflow-auto">
                 <h1>Debug page</h1>
                 <div class="alert alert-danger" role="alert">
-                    <h4 class="alert-heading">Attention</h4>
-                    <p>This is a debug page which should only be used by professionals. Changing any options below might
-                        impact operation.</p>
+                    <h4 class="alert-heading"><%= it.lang.titles.attention %></h4>
+                    <p><%= it.lang.informationTexts.debugInfo %></p>
                     <hr>
-                    <p class="mb-0"><b>Proceed with caution.</b></p>
+                    <p class="mb-0"><b><%= it.lang.informationTexts.proceedCaution %></b></p>
                 </div>
-                <label for="debugMode">Enable time variance display:</label>
+                <label for="debugMode"><%= it.lang.labels.timeVar %></label>
                 <input type="checkbox" name="debugMode" id="debugModeEnable" value="true"><br><br>
 
                 <button type="button" class="btn btn-outline-success" id="applyDebug">Apply settings</button>
@@ -333,7 +342,7 @@
                 <hr>
                 <br>
 
-                <h3>Host information</h3>
+                <h3><%= it.lang.titles.hostinfo %></h3>
                 <code id="systemInfo" class="overflow-auto">
 
                 </code>
@@ -347,10 +356,10 @@
                 <templateObj>
                     <table class="table table-bordered table-responsive-md table-striped text-center" id="colors1">
                         <thead>
-                            <tr>
-                                <th class="text-center">Time</th>
-                                <th class="text-center">Color</th>
-                                <th class="text-center">Remove</th>
+                            <tr><%= it.lang.labels.time %>
+                                <th class="text-center"><%= it.lang.labels.time %></th>
+                                <th class="text-center"><%= it.lang.labels.color %></th>
+                                <th class="text-center"><%= it.lang.labels.remove %></th>
                             </tr>
                         </thead>
                         <tr id="tableCopySource">
@@ -374,9 +383,6 @@
                         </tr>
                         </tbody>
                     </table>
-
-
-
                     <tr>
                         <td class="pt-3-half numVal" contenteditable="true">#VALUE#</td>
                         <td class="pt-3-half full" contenteditable="false">
@@ -412,7 +418,10 @@
                 <h1>About</h1>
                 Version: <b id="nodeSwVers"></b><br>
                 NodeJS Version: <b id="nodejsVers"></b><br>
-
+                <h2>About the translation</h2>
+                Author: <%= it.lang._metadata.authors %><br>
+                Language: <%= it.lang._metadata.lang %><br>
+                Version: <%= it.lang._metadata.version %><br>
             </page>
         </pages>
     </main>