fix: use vdrd website as main domain

README.md

@@ -1,5 +1,7 @@
 # RattenheimRechner
 
+**[rechner.vdrd.de](https://rechner.vdrd.de)**
+
 Ein Rechner für die minimale Größe eines Rattenkäfigs nach Standard des [VdRD e.V.](https://vdrd.de)
 
 ## CI

public/assets/css/style.css

@@ -62,6 +62,7 @@ ul {
 label {
     font-weight: bold;
     word-break: break-word;
+    font-size: x-large;
 }
 
 .slidecontainer {
@@ -199,15 +200,31 @@ input.measurement {
     flex-wrap: wrap;
 }
 
-.navigation-sticky {
+.top-navigation {
+    margin: 0;
+    border: none;
+    width: 100%;
+    display: flex;
+}
+
+.homebutton {
+    background-color: var(--secondary-light-one);
+    color: var(--primary-light-one);
+    border-bottom-right-radius: 8px;
+    font-weight: bold;
+    padding: 16px;
+    width: 20%;
+}
+
+.language-switcher {
     background-color: var(--secondary-light-one);
     color: var(--primary-light-one);
     padding: 16px;
-    margin: 0;
-    border-bottom-right-radius: 8px;
+    border-bottom-left-radius: 8px;
     border: none;
     font-weight: bold;
-    width: 20%;
+    width: 15%;
+    margin-left: auto;
 }
 
 
@@ -232,3 +249,11 @@ input.measurement {
 .tooltip:hover .tooltiptext {
     visibility: visible;
 }
+
+select, option {
+    background-color: var(--primary-light-one);
+    border-radius: 0.2rem;
+    border: none;
+    color: var(--text-one);
+    width: 100%;
+}

public/assets/js/calculator.js

@@ -1,85 +0,0 @@
-const MINIMUM_BASE_AREA = 0.5;
-const MINIMUM_AREA_THREE_RATS = 1.5;
-const AREA_PER_ADDITIONAL_RAT = 0.25;
-const MAXIMUM_FALL_HEIGHT = 0.5;
-const MINIMUM_LENGTH_LONG_SIDE = 0.8;
-const MINIMUM_LENGTH_SHORT_SIDE = 0.5;
-const MINIMUM_FLOOR_HEIGHT = 0.3;
-
-const FAILED_BASE_AREA = "base_area";
-const FAILED_OVERALL_AREA = "overall_area";
-const FAILED_FALL_HEIGHT = "fall_height";
-const FAILED_NUM_RATS = "num_rats";
-const FAILED_MINIMUM_LENGTH_LONG_SIDE = "length_long_side";
-const FAILED_MINIMUM_LENGTH_SHORT_SIDE= "length_short_side";
-const FAILED_FLOOR_HEIGHT = "floor_height"
-
-const FAIL_CRITERIA = {
-    [FAILED_BASE_AREA]: `Die Mindestgrundfläche des Käfigs muss ${MINIMUM_BASE_AREA}m² (also z.B. 100x50cm) betragen.`,
-    [FAILED_OVERALL_AREA]: "Die Gesamtfläche im Käfig ist zu klein.",
-    [FAILED_FALL_HEIGHT]: `Die mögliche Fallhöhe darf nicht mehr als ${(MAXIMUM_FALL_HEIGHT * 100).toFixed(0)}cm betragen.`,
-    [FAILED_FLOOR_HEIGHT]: `Der Mindestabstand zwischen Ebenen muss ${(MINIMUM_FLOOR_HEIGHT * 100).toFixed(0)}cm betragen.`,
-    [FAILED_NUM_RATS]: "Es müssen mindestens 3 Ratten zusammenleben, Paarhaltung ist nicht artgerecht.",
-    [FAILED_MINIMUM_LENGTH_LONG_SIDE]: `Die lange Seite des Käfig muss mindestens ${(MINIMUM_LENGTH_LONG_SIDE * 100).toFixed(0)}cm lang sein um Rennen zu ermöglichen.`,
-    [FAILED_MINIMUM_LENGTH_SHORT_SIDE]: `Die kurze Seite des Käfig muss mindestens ${(MINIMUM_LENGTH_SHORT_SIDE * 100).toFixed(0)}cm lang sein.`,
-};
-
-class Dimensions {
-    constructor(width, depth, height) {
-        this.width = width;
-        this.depth = depth;
-        this.height = height;
-    }
-
-    toString() {
-        return `${this.width}x${this.depth}x${this.height}`;
-    }
-
-    static fromDict(data) {
-        const { width, depth,  height } = data;
-        return new Dimensions(width, depth, height);
-    }
-}
-
-function overallAreaNeeded(numOfRats) {
-    if (numOfRats < 3 || numOfRats > 15) {
-        throw new Error("This formula works only from 3 to 15 rats");
-    }
-    return MINIMUM_AREA_THREE_RATS + (numOfRats - 3) * AREA_PER_ADDITIONAL_RAT;
-}
-
-function cageCheck(dimensions, numRats, numFullFloors) {
-    let failedCriteria = {};
-
-    if (numRats < 2 || numRats > 15) {
-        failedCriteria[FAILED_NUM_RATS] = FAIL_CRITERIA[FAILED_NUM_RATS];
-    }
-
-    const baseArea = dimensions.depth * dimensions.width;
-    if (baseArea < MINIMUM_BASE_AREA) {
-        failedCriteria[FAILED_BASE_AREA] = FAIL_CRITERIA[FAILED_BASE_AREA];
-    }
-
-    const areaNeeded = overallAreaNeeded(numRats);
-    if (baseArea * numFullFloors < areaNeeded) {
-        failedCriteria[FAILED_OVERALL_AREA] = FAIL_CRITERIA[FAILED_OVERALL_AREA];
-    }
-
-    if (dimensions.height / numFullFloors > MAXIMUM_FALL_HEIGHT) {
-        failedCriteria[FAILED_FALL_HEIGHT] = FAIL_CRITERIA[FAILED_FALL_HEIGHT];
-    }
-
-    if (dimensions.width < MINIMUM_LENGTH_LONG_SIDE && dimensions.depth < MINIMUM_LENGTH_LONG_SIDE) {
-        failedCriteria[FAILED_MINIMUM_LENGTH_LONG_SIDE] = FAIL_CRITERIA[FAILED_MINIMUM_LENGTH_LONG_SIDE];
-    }
-
-    if (dimensions.width < MINIMUM_LENGTH_SHORT_SIDE || dimensions.depth < MINIMUM_LENGTH_SHORT_SIDE) {
-        failedCriteria[FAILED_MINIMUM_LENGTH_SHORT_SIDE] = FAIL_CRITERIA[FAILED_MINIMUM_LENGTH_SHORT_SIDE];
-    }
-
-    if (dimensions.height / numFullFloors < MINIMUM_FLOOR_HEIGHT) {
-        failedCriteria[FAILED_FLOOR_HEIGHT] = FAIL_CRITERIA[FAILED_FLOOR_HEIGHT];
-    }
-
-    return failedCriteria;
-}

public/index.html

@@ -4,7 +4,6 @@
     <meta charset="UTF-8">
     <title>Käfigrechner</title>
     <link rel="stylesheet" href="assets/css/style.css">
-    <script src="assets/js/calculator.js"></script>
 
     <link rel="apple-touch-icon" sizes="180x180" href="assets/favicon/apple-touch-icon.png">
     <link rel="icon" type="image/png" sizes="32x32" href="assets/favicon/favicon-32x32.png">
@@ -12,17 +11,22 @@
 </head>
 <body>
 
-<div class="navigation-sticky">
-    <a href="https://notfellchen.org">
+<div class="top-navigation">
+    <div class="homebutton">
+        <a href="https://vdrd.de">
             <b data-i18n-key="back-to-home">zurück zur Homepage</b>
         </a>
     </div>
 
-<img src="img/translation-icon@2x.png" class="translation-icon" /   >
-<select data-i18n-switcher class="locale-switcher">
+
+    <div class="language-switcher">
+        <label aria-hidden="false" style="display: none" data-i18n-key="change-language"></label>
+        <select data-i18n-switcher class="locale-switcher" id="locale-switcher">
             <option value="en">English</option>
             <option value="de">Deutsch</option>
         </select>
+    </div>
+</div>
 
 <div class="content">
     <h1 data-i18n-key="app-name">Käfigrechner</h1>
@@ -32,7 +36,7 @@
                 <label for="SavicSuiteRoyaleXL">
                     <input type="checkbox" id="SavicSuiteRoyaleXL"/>
                     <div class="card-photo">
-                        <img src="assets/img/savic-xl.jpeg">
+                        <img alt-i18n-key="alt-savic-xl" src="assets/img/savic-xl.jpeg">
                     </div>
                     <div class="info-container">
                         <h4><b>Savic Suite Royale XL</b></h4>
@@ -45,7 +49,7 @@
                     <input type="checkbox" id="SavicSuiteRoyale95Double"/>
                     <div class="card-photo">
                         <div>
-                            <img src="assets/img/savic-95-double.jpg">
+                            <img alt-i18n-key="alt-savic-95-double" src="assets/img/savic-95-double.jpg">
                         </div>
                         <div class="info-container">
                             <h4><b>Savic Suite Royale 95 Double</b></h4>
@@ -58,7 +62,7 @@
                 <label for="TiakiKleintierkäfigEtagere">
                     <input type="checkbox" id="TiakiKleintierkäfigEtagere"/>
                     <div class="card-photo">
-                        <img src="assets/img/tiaki.jpeg">
+                        <img alt-i18n-key="alt-tiaki" src="assets/img/tiaki.jpeg">
                     </div>
                     <div class="info-container">
                         <h4><b>TIAKI Kleintierkäfig Étagère</b></h4>
@@ -67,7 +71,7 @@
             </div>
 
             <div class="card" id="card-ManualMeasurements">
-                <label for="form-cage-measurements">Käfigmaße</label>
+                <label data-i18n-key="cage-measurements" for="form-cage-measurements">Käfigmaße</label>
                 <form id="form-cage-measurements" class="form-measurements">
                     <div class="input-measurement">
                         <label for="width" data-i18n-key="width-cm">Breite (cm)</label>
@@ -90,7 +94,16 @@
         <div class="input-element">
             <label for="numFullFloors" data-i18n-key="full-floors">Vollebenen</label>
             <div class="tooltip">
-                <svg class="text-grey-dark" width="18" height="18" viewBox="0 0 18 18" fill="none" stroke="currentColor"><path d="M9.00026 12.6C9.00026 12.6 9.00026 12.1224 9.00026 11.5333V8.86666C9.00026 8.57211 8.76148 8.33333 8.46693 8.33333H7.93359" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path><path d="M8.73346 5.26666C8.58619 5.26666 8.4668 5.38605 8.4668 5.53333C8.4668 5.68061 8.58619 5.8 8.73346 5.8C8.88074 5.8 9.00013 5.68061 9.00013 5.53333C9.00013 5.38605 8.88074 5.26666 8.73346 5.26666V5.26666" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path><path fill-rule="evenodd" clip-rule="evenodd" d="M9 17C13.4183 17 17 13.4183 17 9C17 4.58172 13.4183 1 9 1C4.58172 1 1 4.58172 1 9C1 13.4183 4.58172 17 9 17Z" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path></svg>
+                <svg class="text-grey-dark" width="18" height="18" viewBox="0 0 18 18" fill="none"
+                     stroke="currentColor">
+                    <path d="M9.00026 12.6C9.00026 12.6 9.00026 12.1224 9.00026 11.5333V8.86666C9.00026 8.57211 8.76148 8.33333 8.46693 8.33333H7.93359"
+                          stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path>
+                    <path d="M8.73346 5.26666C8.58619 5.26666 8.4668 5.38605 8.4668 5.53333C8.4668 5.68061 8.58619 5.8 8.73346 5.8C8.88074 5.8 9.00013 5.68061 9.00013 5.53333C9.00013 5.38605 8.88074 5.26666 8.73346 5.26666V5.26666"
+                          stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path>
+                    <path fill-rule="evenodd" clip-rule="evenodd"
+                          d="M9 17C13.4183 17 17 13.4183 17 9C17 4.58172 13.4183 1 9 1C4.58172 1 1 4.58172 1 9C1 13.4183 4.58172 17 9 17Z"
+                          stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path>
+                </svg>
                 <span class="tooltiptext" data-i18n-key="full-floors-tooltip">Als Vollebenen zählen alle Ebenen die größer als 0.5m² sind, inklusive des Käfigbodens.</span>
             </div>
             <div class="ncontainer">
@@ -104,14 +117,15 @@
 
         <div class="input-element">
             <div class="slidecontainer">
-                <label for="numRats" id="labelNumRats" data-i18n-key="number-of-rats">Anzahl an Ratten ?</label>
+                <label for="numRats" id="labelNumRats"></label>
                 <input type="range" min="3" max="15" value="4" class="slider" id="numRats">
             </div>
         </div>
     </div>
 
-    <div class="container output-element" id="resultsDiv">
-    </div>
+    <div class="container output-element">
+        <strong data-i18n-key="result">Ergebnis</strong>
+        <div id="resultsDiv"></div>
     </div>
 </div>
 

public/lang/de.json

@@ -6,5 +6,20 @@
   "width-cm": "Breite (cm)",
   "depth-cm": "Tiefe (cm)",
   "height-cm": "Höhe (cm)",
-  "full-floors-tooltip": "Als Vollebenen zählen alle Ebenen die größer als 0.5m² sind, inklusive des Käfigbodens."
+  "full-floors-tooltip": "Als Vollebenen zählen alle Ebenen die größer als 0.5m² sind, inklusive des Käfigbodens.",
+  "failed-base-area": "Die Mindestgrundfläche des Käfigs muss {{ MINIMUM_BASE_AREA }}m² (also z.B. 100x50cm) betragen.",
+  "failed-overall-area": "Die Gesamtfläche im Käfig ist zu klein.",
+  "failed-fall-height":  "Die mögliche Fallhöhe darf nicht mehr als {{ maximum_fall_height }}cm betragen.",
+  "failed-floor-height": "Der Mindestabstand zwischen Ebenen muss {{ minimum_floor_height }}cm betragen.",
+  "failed-num-rats": "Es müssen mindestens 3 Ratten zusammenleben, Paarhaltung ist nicht artgerecht.",
+  "failed-minimum-length-long-side": "Die lange Seite des Käfig muss mindestens {{ minimum_length_long_side }}cm lang sein um Rennen zu ermöglichen.",
+  "failed-minimum-length-short-side": "Die kurze Seite des Käfig muss mindestens {{ minimum_length_short_side }}cm lang sein.",
+  "alt-savic-xl": "Bild des Käfigs Savic Suite Royal XL, ein Drahtkäfig mit vier Türen die erlauben die gesamte Vorderseite zu öffnen. Auf halber Höhe ist eine weitere Vollebene.",
+  "alt-savic-95-double": "Bild eines dekorierten Käfigs, des Savic Suite Royale 95 Double. Auf insgesamt vie Vollebenen sind Holz- und Papphäusschen, Hängematten, Futterschalen und mehr.",
+  "alt-tiaki": "Bild des Tiaki-Käfigs, ein Drahtkäfig mit vier Türen die erlauben die gesamte Vorderseite zu öffnen. Auf halber Höhe ist eine weitere Vollebene.",
+  "cage-measurements": "Käfigmaße",
+  "cage-complies-with-all-criteria": "Der Käfig erfüllt alle Kriterien!",
+  "cage-for-x-rats": "Käfig für {{ num_rats }} Ratten",
+  "change-language": "Sprache ändern",
+  "result": "Ergebnis"
 }

public/lang/en.json

@@ -6,5 +6,20 @@
   "width-cm": "Width (cm)",
   "depth-cm": "Depth (cm)",
   "height-cm": "Height (cm)",
-  "full-floors-tooltip": "A full floor is each floor with a area greater than 0.5m², including the bottom of the cage."
+  "full-floors-tooltip": "A full floor is each floor with a area greater than XXm², including the bottom of the cage.",
+  "failed-base-area": "The base area of the cage must not be below {{ MINIMUM_BASE_AREA }}m².",
+  "failed-overall-area": "The overall area in the cage is to small.",
+  "failed-fall-height":  "The possible fall height between floors must not be above {{ maximum_fall_height }}cm.",
+  "failed-floor-height": "The height between floors must be above {{ minimum_floor_height }}cm.",
+  "failed-num-rats": "Rats must live in a group of at least three rats, pairs or lone rats are not species-appropriate.",
+  "failed-minimum-length-long-side": "The long side of the cage must be at least {{ minimum_length_long_side }}cm long to enable running.",
+  "failed-minimum-length-short-side": "The short side of the cage must be at least {{ minimum_length_short_side }}cm.",
+  "alt-savic-xl": "A picture of a wire bar cage with four doors that allow to open the full front of the cage. In the middle of the cage is a additional full floor.",
+  "alt-savic-95-double": "A picture of a decorated wire bar cage with four doors that allow to open the full front of the cage. Inside there are hammocks, toys and four full floors with lots of hides",
+  "alt-tiaki": "A picture of a decorated wire bar cage with four doors that allow to open the full front of the cage.",
+  "cage-measurements": "Cage measurements",
+  "cage-complies-with-all-criteria": "This cage complies with all criteria!",
+  "cage-for-x-rats": "Cage for {{ num_rats }} rats",
+  "change-language": "Change language",
+  "result": "Result"
 }

src/index.js

@@ -1,3 +1,169 @@
+import i18next from "i18next";
+import LanguageDetector from "i18next-browser-languagedetector";
+import HttpApi from "i18next-http-backend";
+
+/////////////////
+// TRANSLATION //
+/////////////////
+
+async function initI18next() {
+    await i18next
+        .use(HttpApi)
+        .use(LanguageDetector)
+        .init({
+            supportedLngs: ["en", "de"],
+            nonExplicitSupportedLngs: true,
+            fallbackLng: "en",
+            debug: true,
+            backend: {
+                loadPath: "/lang/{{lng}}.json",
+            },
+        });
+}
+
+function translatePageElements() {
+    // Translate content inside a tag
+    const translatableElements = document.querySelectorAll(
+        "[data-i18n-key]",
+    );
+    translatableElements.forEach((el) => {
+        const key = el.getAttribute("data-i18n-key");
+        el.innerHTML = i18next.t(key);
+    });
+    // Translate alt texts
+    const translatableAltTexts = document.querySelectorAll(
+        "[alt-i18n-key]",
+    );
+    translatableAltTexts.forEach((el) => {
+        const translation_key = el.getAttribute("alt-i18n-key");
+        el.setAttribute("alt", i18next.t(translation_key));
+    });
+
+}
+
+function bindLocaleSwitcher(initialValue) {
+    const switcher = document.querySelector(
+        "[data-i18n-switcher]",
+    );
+    switcher.value = initialValue;
+    switcher.onchange = (e) => {
+        i18next
+            .changeLanguage(e.target.value)
+            .then(translatePageElements)
+            .then(update);
+    };
+}
+
+(async function () {
+    await initI18next();
+    translatePageElements();
+    bindLocaleSwitcher(i18next.resolvedLanguage);
+    update();
+})();
+
+////////////////
+// CALCULATOR //
+////////////////
+
+const MINIMUM_BASE_AREA = 0.5;
+const MINIMUM_AREA_THREE_RATS = 1.5;
+const AREA_PER_ADDITIONAL_RAT = 0.25;
+const MAXIMUM_FALL_HEIGHT = 0.5;
+const MINIMUM_LENGTH_LONG_SIDE = 0.8;
+const MINIMUM_LENGTH_SHORT_SIDE = 0.5;
+const MINIMUM_FLOOR_HEIGHT = 0.25;
+
+const FAILED_BASE_AREA = "base_area";
+const FAILED_OVERALL_AREA = "overall_area";
+const FAILED_FALL_HEIGHT = "fall_height";
+const FAILED_NUM_RATS = "num_rats";
+const FAILED_MINIMUM_LENGTH_LONG_SIDE = "length_long_side";
+const FAILED_MINIMUM_LENGTH_SHORT_SIDE= "length_short_side";
+const FAILED_FLOOR_HEIGHT = "floor_height"
+
+
+class Validator {
+    constructor() {
+        this.FAIL_CRITERIA = {
+            [FAILED_BASE_AREA]: i18next.t('failed-base-area', {"MINIMUM_BASE_AREA": MINIMUM_BASE_AREA}),
+            [FAILED_OVERALL_AREA]: i18next.t("failed-overall-area"),
+            [FAILED_FALL_HEIGHT]: i18next.t("failed-fall-height", {"maximum_fall_height": (MAXIMUM_FALL_HEIGHT * 100).toFixed(0)}),
+            [FAILED_FLOOR_HEIGHT]: i18next.t("failed-floor-height", {"minimum_floor_height": (MINIMUM_FLOOR_HEIGHT * 100).toFixed(0)}),
+            [FAILED_NUM_RATS]: i18next.t("failed-num-rats"),
+            [FAILED_MINIMUM_LENGTH_LONG_SIDE]: i18next.t("failed-minimum-length-long-side", {"minimum_length_long_side": (MINIMUM_LENGTH_LONG_SIDE * 100).toFixed(0)}),
+            [FAILED_MINIMUM_LENGTH_SHORT_SIDE]: i18next.t("failed-minimum-length-short-side", {"minimum_length_short_side": (MINIMUM_LENGTH_SHORT_SIDE * 100).toFixed(0)}),
+        };
+    }
+
+    overallAreaNeeded(numOfRats) {
+        if (numOfRats < 3 || numOfRats > 15) {
+            throw new Error("This formula works only from 3 to 15 rats");
+        }
+        return MINIMUM_AREA_THREE_RATS + (numOfRats - 3) * AREA_PER_ADDITIONAL_RAT;
+    }
+
+    cageCheck(dimensions, numRats, numFullFloors) {
+        let failedCriteria = {};
+
+        if (numRats < 2 || numRats > 15) {
+            failedCriteria[FAILED_NUM_RATS] = this.FAIL_CRITERIA[FAILED_NUM_RATS];
+        }
+
+        const baseArea = dimensions.depth * dimensions.width;
+        if (baseArea < MINIMUM_BASE_AREA) {
+            failedCriteria[FAILED_BASE_AREA] = this.FAIL_CRITERIA[FAILED_BASE_AREA];
+        }
+
+        const areaNeeded = this.overallAreaNeeded(numRats);
+        if (baseArea * numFullFloors < areaNeeded) {
+            failedCriteria[FAILED_OVERALL_AREA] = this.FAIL_CRITERIA[FAILED_OVERALL_AREA];
+        }
+
+        if (dimensions.height / numFullFloors > MAXIMUM_FALL_HEIGHT) {
+            failedCriteria[FAILED_FALL_HEIGHT] = this.FAIL_CRITERIA[FAILED_FALL_HEIGHT];
+        }
+
+        if (dimensions.width < MINIMUM_LENGTH_LONG_SIDE && dimensions.depth < MINIMUM_LENGTH_LONG_SIDE) {
+            failedCriteria[FAILED_MINIMUM_LENGTH_LONG_SIDE] = this.FAIL_CRITERIA[FAILED_MINIMUM_LENGTH_LONG_SIDE];
+        }
+
+        if (dimensions.width < MINIMUM_LENGTH_SHORT_SIDE || dimensions.depth < MINIMUM_LENGTH_SHORT_SIDE) {
+            failedCriteria[FAILED_MINIMUM_LENGTH_SHORT_SIDE] = this.FAIL_CRITERIA[FAILED_MINIMUM_LENGTH_SHORT_SIDE];
+        }
+
+        if (dimensions.height / numFullFloors < MINIMUM_FLOOR_HEIGHT) {
+            failedCriteria[FAILED_FLOOR_HEIGHT] = this.FAIL_CRITERIA[FAILED_FLOOR_HEIGHT];
+        }
+
+        return failedCriteria;
+    }
+
+
+
+}
+
+class Dimensions {
+    constructor(width, depth, height) {
+        this.width = width;
+        this.depth = depth;
+        this.height = height;
+    }
+
+    toString() {
+        return `${this.width}x${this.depth}x${this.height}`;
+    }
+
+    static fromDict(data) {
+        const { width, depth,  height } = data;
+        return new Dimensions(width, depth, height);
+    }
+}
+
+
+//////////////////////////
+// DOCUMENT INTERACTION //
+//////////////////////////
+
 const inputDecreaseFloorNum = document.getElementById("decreaseFloorNum");
 inputDecreaseFloorNum.onclick = decreaseFloorNum;
 
@@ -42,7 +208,6 @@ function updateCage(event) {
     selectedCage.checked = true;
     const cageName = selectedCage.id;
 
-    console.log(cageName);
     var dim = getCageDimensions(cageName);
     inputWidth.value = dim.width;
     inputDepth.value = dim.depth;
@@ -62,10 +227,7 @@ var labelNumRats = document.getElementById("labelNumRats");
 
 var ratSlider = document.getElementById("numRats");
 
-labelNumRats.innerHTML = `Anzahl an Ratten: ` + ratSlider.value;
-
 ratSlider.oninput = function () {
-    labelNumRats.innerHTML = `Anzahl an Ratten: ` + this.value;
     update();
 }
 
@@ -73,7 +235,6 @@ ratSlider.oninput = function () {
 var fullFloorNum = document.getElementById("numFullFloors");
 
 function getCageDimensions(cageName) {
-    console.log(cageName);
     if (cageName == "SavicSuiteRoyaleXL") {
         return new Dimensions(115, 67.5, 153);
     }
@@ -86,7 +247,6 @@ function getCageDimensions(cageName) {
 }
 
 function getResultFromChecks(checks) {
-    console.log(checks.length)
     if (Object.keys(checks).length > 0) {
         const ul = document.createElement('ul');
         for (const key in checks) {
@@ -97,7 +257,7 @@ function getResultFromChecks(checks) {
         return ul;
     } else {
         const p = document.createElement('p');
-        p.innerHTML = "✅ Der Käfig erfüllt alle Kriterien!"
+        p.innerHTML = "✅ " + i18next.t("cage-complies-with-all-criteria")
         return p;
     }
 
@@ -109,17 +269,19 @@ function updateViaManualMeasurements() {
 }
 
 function update() {
+    labelNumRats.innerHTML = i18next.t("cage-for-x-rats", {"num_rats": ratSlider.value});
+
     const width = inputWidth.value
     const depth = inputDepth.value
     const height = inputHeight.value
     const dimensions = new Dimensions(width / 100, depth / 100, height / 100);
-    const failed_checks = cageCheck(dimensions, ratSlider.value, fullFloorNum.value);
-    console.log(failed_checks);
+    const validator = new Validator();
+    const failed_checks = validator.cageCheck(dimensions, ratSlider.value, fullFloorNum.value);
     let resultsDiv = document.getElementById("resultsDiv");
-    resultsDiv.innerHTML = `<strong>Ergebnis</strong>`;
 
     const result = getResultFromChecks(failed_checks);
 
+    resultsDiv.innerHTML = "";
     resultsDiv.appendChild(result);
 }
 
@@ -139,58 +301,3 @@ function increaseFloorNum() {
     input.value = value + 1;
     update();
 }
-
-update();
-
-
-import i18next from "i18next";
-import LanguageDetector from "i18next-browser-languagedetector";
-import HttpApi from "i18next-http-backend";
-
-async function initI18next() {
-    // We use() the backend and await it to load
-    // the translations from the network
-    await i18next
-        .use(HttpApi)
-        .use(LanguageDetector)
-        .init({
-            lng: "en",
-            supportedLngs: ["en", "de"],
-            nonExplicitSupportedLngs: true,
-            fallbackLng: "en",
-            debug: true,
-            backend: {
-                loadPath: "/lang/{{lng}}.json",
-            },
-        });
-}
-
-function translatePageElements() {
-    const translatableElements = document.querySelectorAll(
-        "[data-i18n-key]",
-    );
-    translatableElements.forEach((el) => {
-        const key = el.getAttribute("data-i18n-key");
-        el.innerHTML = i18next.t(key);
-    });
-
-}
-// ...
-
-function bindLocaleSwitcher(initialValue) {
-    const switcher = document.querySelector(
-        "[data-i18n-switcher]",
-    );
-    switcher.value = initialValue;
-    switcher.onchange = (e) => {
-        i18next
-            .changeLanguage(e.target.value)
-            .then(translatePageElements);
-    };
-}
-
-(async function () {
-    await initI18next();
-    translatePageElements();
-    bindLocaleSwitcher(i18next.resolvedLanguage);
-})();