pi hole setup

modules/pihole/assets/pihole_instances.js

@@ -49,6 +49,44 @@
     });
   });
 
+  const apiCall = async (action, payload = {}) => {
+    const res = await fetch(`/module/pihole/api?action=${encodeURIComponent(action)}`, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify(payload),
+    });
+    const data = await res.json().catch(() => ({}));
+    if (!res.ok) throw new Error(data.error || `HTTP ${res.status}`);
+    return data;
+  };
+
+  document.querySelectorAll('[data-instance-test]').forEach((btn) => {
+    btn.addEventListener('click', async () => {
+      const card = btn.closest('[data-instance-id]');
+      if (!card) return;
+      const instanceId = card.dataset.instanceId || '';
+      const resultEl = card.querySelector('[data-instance-result]');
+      if (resultEl) {
+        resultEl.classList.remove('is-ok', 'is-auth', 'is-unreachable', 'is-invalid', 'is-error');
+        resultEl.textContent = 'Teste Verbindung...';
+      }
+      try {
+        const res = await apiCall('test', { instance: instanceId });
+        if (resultEl) {
+          const statusClass = res.status ? `is-${res.status}` : 'is-ok';
+          resultEl.classList.add(statusClass);
+          resultEl.textContent = res.message || 'Verbindung OK.';
+        }
+      } catch (err) {
+        if (resultEl) {
+          const msg = err.message || 'Fehler';
+          resultEl.classList.add('is-error');
+          resultEl.textContent = `Test fehlgeschlagen: ${msg}`;
+        }
+      }
+    });
+  });
+
   if (newBtn) {
     newBtn.addEventListener('click', () => {
       resetForm();