feat(ui): aggiunge anteprima desktop dei file non smistati

renderer/renderer.js

@@ -5,7 +5,12 @@ const output = document.getElementById('output');
 const destinationInput = document.getElementById('destinationInput');
 const browseDestinationBtn = document.getElementById('browseDestinationBtn');
 const saveDestinationBtn = document.getElementById('saveDestinationBtn');
+const openUnroutedBtn = document.getElementById('openUnroutedBtn');
 const destinationStatus = document.getElementById('destinationStatus');
+const unroutedPreviewOverlay = document.getElementById('unroutedPreviewOverlay');
+const closeUnroutedPreviewBtn = document.getElementById('closeUnroutedPreviewBtn');
+const unroutedPreviewMeta = document.getElementById('unroutedPreviewMeta');
+const unroutedPreviewList = document.getElementById('unroutedPreviewList');
 const defaultDropZoneText = 'Trascina qui una cartella o un file .zip';
 let isProcessing = false;
 
@@ -18,6 +23,31 @@ function setDestinationLoading(isLoading) {
   destinationInput.disabled = isLoading;
   browseDestinationBtn.disabled = isLoading;
   saveDestinationBtn.disabled = isLoading;
+  openUnroutedBtn.disabled = isLoading;
+}
+
+function formatBytes(bytes) {
+  const value = Number(bytes || 0);
+  if (value < 1024) return `${value} B`;
+  if (value < 1024 * 1024) return `${(value / 1024).toFixed(1)} KB`;
+  if (value < 1024 * 1024 * 1024) return `${(value / (1024 * 1024)).toFixed(1)} MB`;
+  return `${(value / (1024 * 1024 * 1024)).toFixed(1)} GB`;
+}
+
+function showUnroutedPreview(payload) {
+  const files = payload?.files || [];
+  const directory = payload?.directory || '';
+  const lines = files.length
+    ? files.map((file) => `- ${file.relativePath} | ${formatBytes(file.size)}`).join('\n')
+    : 'Nessun file presente in __NON_SMISTATI.';
+
+  unroutedPreviewMeta.textContent = `cartella: ${directory} | file totali: ${files.length}`;
+  unroutedPreviewList.textContent = lines;
+  unroutedPreviewOverlay.classList.add('visible');
+}
+
+function hideUnroutedPreview() {
+  unroutedPreviewOverlay.classList.remove('visible');
 }
 
 function renderResult(title, result) {
@@ -166,6 +196,34 @@ saveDestinationBtn.addEventListener('click', async () => {
   }
 });
 
+openUnroutedBtn.addEventListener('click', async () => {
+  try {
+    setDestinationLoading(true);
+    destinationStatus.textContent = 'Caricamento anteprima non smistati...';
+
+    const result = await window.api.listUnroutedFiles();
+    showUnroutedPreview(result);
+    destinationStatus.textContent = `Anteprima caricata (${result.files?.length || 0} file).`;
+  } catch (error) {
+    destinationStatus.textContent = `Errore: ${error.message}`;
+  } finally {
+    setDestinationLoading(false);
+  }
+});
+
+closeUnroutedPreviewBtn.addEventListener('click', hideUnroutedPreview);
+unroutedPreviewOverlay.addEventListener('click', (event) => {
+  if (event.target === unroutedPreviewOverlay) {
+    hideUnroutedPreview();
+  }
+});
+
+window.addEventListener('keydown', (event) => {
+  if (event.key === 'Escape' && unroutedPreviewOverlay.classList.contains('visible')) {
+    hideUnroutedPreview();
+  }
+});
+
 async function initConfigUI() {
   try {
     const destinationResult = await window.api.getDestination();