Enhance album add process and add countdown reset

Refactor album addition process to improve error handling and add countdown reset functionality.

templates/index.html

@@ -219,17 +219,17 @@
 
     // --- ADD ALBUM TO LIDARR ---
     document.getElementById('add-album-btn').addEventListener('click', async () => {
-      if (!currentBarcode) return;
-      const addBtn = document.getElementById('add-album-btn');
-      addBtn.disabled = true;
-      updateStatus("Starting album add process...");
-      updateProgress(0);
+    if (!currentBarcode) return;
+    const addBtn = document.getElementById('add-album-btn');
+    addBtn.disabled = true;
+    updateStatus("Starting album add process...");
+    updateProgress(0);
 
-      try {
+    try {
         const response = await fetch("/submit", {
-          method: "POST",
-          headers: {'Content-Type':'application/x-www-form-urlencoded'},
-          body: `barcode=${currentBarcode}`
+        method: "POST",
+        headers: {'Content-Type':'application/x-www-form-urlencoded'},
+        body: `barcode=${currentBarcode}`
         });
 
         const reader = response.body.getReader();
@@ -237,35 +237,48 @@
         let buffer = "";
 
         await reader.read().then(function process({done, value}) {
-          if (done) return;
-          buffer += decoder.decode(value, {stream:true});
-          const lines = buffer.split("\n\n");
-          buffer = lines.pop();
-          for (const line of lines) {
+        if (done) return;
+        buffer += decoder.decode(value, {stream:true});
+        const lines = buffer.split("\n\n");
+        buffer = lines.pop();
+        for (const line of lines) {
             if (line.trim()) {
-              try {
+            try {
                 const data = JSON.parse(line);
                 updateStatus(data.status);
                 updateProgress(data.progress);
-              } catch(e) {
+            } catch(e) {
                 console.error(e);
-              }
             }
-          }
-          return reader.read().then(process);
+            }
+        }
+        return reader.read().then(process);
         });
 
         updateStatus("✅ Album processed");
-      } catch(err) {
+    } catch(err) {
         console.error(err);
         updateStatus("❌ Error adding album");
-      } finally {
-        resetScanner();
+    } finally {
         addBtn.disabled = false;
-        startScanner();
-      }
+        startCountdownReset(5); // Start 5-second countdown
+    }
     });
 
+    function startCountdownReset(seconds) {
+    let remaining = seconds;
+    const countdownInterval = setInterval(() => {
+        updateStatus(`Resetting in ${remaining}...`);
+        remaining--;
+        if (remaining < 0) {
+        clearInterval(countdownInterval);
+        resetScanner();
+        startScanner(); // Restart the scanner after reset
+        }
+    }, 1000);
+    }
+
+
     // --- STOP APP ---
     document.getElementById("stop-app-btn").addEventListener("click", () => {
       if(confirm("Are you sure you want to stop Codebarr?")) {