edit path in dockerfile from frontend

frontend/app/mac-lookup.js

@@ -0,0 +1,135 @@
+// frontend/mac-lookup.js
+document.addEventListener('DOMContentLoaded', () => {
+    // --- DOM Elements (MAC Lookup) ---
+    const macInput = document.getElementById('mac-input');
+    const macLookupButton = document.getElementById('mac-lookup-button');
+    const macLookupErrorEl = document.getElementById('mac-lookup-error');
+    const macLookupResultsSection = document.getElementById('mac-lookup-results-section');
+    const macLookupQueryEl = document.getElementById('mac-lookup-query');
+    const macLookupLoader = document.getElementById('mac-lookup-loader');
+    const macLookupOutputEl = document.getElementById('mac-lookup-output');
+    const macLookupNotFoundEl = document.getElementById('mac-lookup-notfound');
+
+    // --- DOM Elements (Common) ---
+    const globalErrorEl = document.getElementById('global-error');
+    const commitShaEl = document.getElementById('commit-sha');
+
+    // --- Configuration ---
+    const API_BASE_URL = '/api'; // Anpassen, falls nötig
+
+    // --- Helper Functions ---
+
+    /** Zeigt globale Fehler an */
+    function showGlobalError(message) {
+        if (!globalErrorEl) return;
+        globalErrorEl.textContent = `Error: ${message}`;
+        globalErrorEl.classList.remove('hidden');
+    }
+
+    /** Versteckt globale Fehler */
+    function hideGlobalError() {
+        if (!globalErrorEl) return;
+        globalErrorEl.classList.add('hidden');
+    }
+
+    /**
+     * Generische Funktion zum Abrufen und Anzeigen von Lookup-Ergebnissen.
+     * @param {string} endpoint - Der API-Endpunkt (z.B. '/mac-lookup').
+     * @param {object} params - Query-Parameter als Objekt (z.B. { mac: '...' }).
+     * @param {HTMLElement} resultsSection - Der Container für die Ergebnisse.
+     * @param {HTMLElement} loaderElement - Das Loader-Element.
+     * @param {HTMLElement} errorElement - Das Fehleranzeige-Element für diesen Lookup.
+     * @param {HTMLElement} queryElement - Das Element zur Anzeige der Suchanfrage.
+     * @param {HTMLElement} outputElement - Das Element zur Anzeige der Ergebnisse (<pre> oder <p>).
+     * @param {function} displayFn - Funktion zur Formatierung und Anzeige der Daten im outputElement.
+     */
+    async function fetchAndDisplay(endpoint, params, resultsSection, loaderElement, errorElement, queryElement, outputElement, displayFn) {
+        resultsSection.classList.remove('hidden');
+        loaderElement.classList.remove('hidden');
+        errorElement.classList.add('hidden');
+        outputElement.textContent = ''; // Clear previous results
+        if (macLookupNotFoundEl) macLookupNotFoundEl.classList.add('hidden'); // Hide 'not found' specifically for MAC
+        if (queryElement) queryElement.textContent = Object.values(params).join(', '); // Display query
+        hideGlobalError(); // Hide global errors before new request
+
+        const urlParams = new URLSearchParams(params);
+        const url = `${API_BASE_URL}${endpoint}?${urlParams.toString()}`;
+
+        try {
+            const response = await fetch(url);
+            const data = await response.json();
+
+            if (!response.ok || !data.success) {
+                throw new Error(data.error || `Request failed with status ${response.status}`);
+            }
+
+            console.log(`Received ${endpoint} data:`, data);
+            displayFn(data, outputElement); // Call the specific display function
+
+        } catch (error) {
+            console.error(`Failed to fetch ${endpoint}:`, error);
+            errorElement.textContent = `Error: ${error.message}`;
+            errorElement.classList.remove('hidden');
+            outputElement.textContent = ''; // Clear output on error
+        } finally {
+            loaderElement.classList.add('hidden');
+        }
+    }
+
+    /** Ruft die Versionsinformationen (Commit SHA) ab */
+    async function fetchVersionInfo() {
+        if (!commitShaEl) return; // Don't fetch if element doesn't exist
+        try {
+            const response = await fetch(`${API_BASE_URL}/version`);
+            if (!response.ok) throw new Error(`Network response: ${response.statusText} (${response.status})`);
+            const data = await response.json();
+            commitShaEl.textContent = data.commitSha || 'unknown';
+        } catch (error) {
+            console.error('Failed to fetch version info:', error);
+            commitShaEl.textContent = 'error';
+            // Optionally show global error
+            // showGlobalError(`Could not load version info: ${error.message}`);
+        }
+    }
+
+    // --- MAC Lookup Specific Functions ---
+    function displayMacResults(data, outputEl) {
+        macLookupNotFoundEl.classList.add('hidden'); // Hide not found message first
+        if (data.vendor) {
+            outputEl.textContent = data.vendor;
+        } else {
+            outputEl.textContent = ''; // Clear vendor text
+            macLookupNotFoundEl.classList.remove('hidden'); // Show not found message
+        }
+    }
+
+    function handleMacLookupClick() {
+        const mac = macInput.value.trim();
+        if (!mac) {
+            macLookupErrorEl.textContent = 'Please enter a MAC address.';
+            macLookupErrorEl.classList.remove('hidden');
+            return;
+        }
+        // Clear previous 'not found' message
+        macLookupNotFoundEl.classList.add('hidden');
+        fetchAndDisplay(
+            '/mac-lookup',
+            { mac },
+            macLookupResultsSection,
+            macLookupLoader,
+            macLookupErrorEl,
+            macLookupQueryEl,
+            macLookupOutputEl, // Pass the <p> element
+            displayMacResults
+        );
+    }
+
+    // --- Initial Load & Event Listeners ---
+    fetchVersionInfo(); // Lade Versionsinfo für Footer
+
+    macLookupButton.addEventListener('click', handleMacLookupClick);
+    macInput.addEventListener('keypress', (event) => {
+        if (event.key === 'Enter') handleMacLookupClick();
+    });
+
+}); // End DOMContentLoaded