download excel

app/(admin)/adminDashboard/page.tsx

@@ -336,6 +336,47 @@ useEffect(() => {
     }
   };
 
+  // helpers
+// helpers
+const ymd = (d: Date) => d.toISOString().slice(0, 10);
+const excelUrl = (site: string, device: string, fn: 'grid' | 'solar', dateYMD: string) =>
+  `${API}/excel-fs/${encodeURIComponent(site)}/${encodeURIComponent(device)}/${fn}/${dateYMD}.xlsx`;
+
+// popup state
+const [isDownloadOpen, setIsDownloadOpen] = useState(false);
+const [meter, setMeter] = useState('01');                         // ADW300 device id
+const [fn, setFn] = useState<'grid' | 'solar'>('grid');           // which function
+const [downloadDate, setDownloadDate] = useState(ymd(new Date())); // YYYY-MM-DD
+const [downloading, setDownloading] = useState(false);
+
+// action
+const downloadExcel = async () => {
+  if (!selectedProject) return;
+  try {
+    setDownloading(true);
+    const url = excelUrl(selectedProject.name, meter.trim(), fn, downloadDate);
+    const resp = await fetch(url, { credentials: 'include' });
+    if (!resp.ok) {
+      const text = await resp.text().catch(() => '');
+      throw new Error(text || `HTTP ${resp.status}`);
+    }
+    const blob = await resp.blob();
+    const a = document.createElement('a');
+    a.href = URL.createObjectURL(blob);
+    a.download = `${meter}_${fn}_${downloadDate}.xlsx`;
+    document.body.appendChild(a);
+    a.click();
+    a.remove();
+    URL.revokeObjectURL(a.href);
+    setIsDownloadOpen(false);
+  } catch (e: any) {
+    alert(`Download failed: ${e?.message ?? e}`);
+  } finally {
+    setDownloading(false);
+  }
+};
+
+
   // ---------- RENDER ----------
   if (!authChecked) {
     return <div>Checking authentication…</div>;
@@ -459,25 +500,154 @@ useEffect(() => {
             />
 
             <div className="flex flex-col md:flex-row gap-4 justify-center">
-              <button
+              <button onClick={handlePDFExport} className="text-sm lg:text-lg btn-primary">
-                onClick={handlePDFExport}
-                className="text-sm lg:text-lg btn-primary"
-              >
                 Export Chart Images to PDF
               </button>
 
-              <a
+              <button
-                href={`https://drive.google.com/drive/folders/${process.env.NEXT_PUBLIC_GOOGLE_DRIVE_FOLDER_ID}`}
+                onClick={() => setIsDownloadOpen(true)}
-                target="_blank"
-                rel="noopener noreferrer"
                 className="text-sm lg:text-lg btn-primary"
               >
-                View Excel Logs
+                Download Excel Log
-              </a>
+              </button>
             </div>
+
           </>
         )}
 
+        {isDownloadOpen && (
+  <div
+    className="fixed inset-0 z-50 flex items-center justify-center"
+    aria-modal="true"
+    role="dialog"
+    onKeyDown={(e) => e.key === 'Escape' && setIsDownloadOpen(false)}
+  >
+    {/* Backdrop */}
+    <div
+      className="absolute inset-0 bg-black/50"
+      onClick={() => setIsDownloadOpen(false)}
+    />
+
+    {/* Modal */}
+    <div className="relative w-full max-w-lg mx-4 rounded-2xl bg-white dark:bg-rtgray-800 shadow-2xl">
+      <div className="p-5 sm:p-6 border-b border-black/5 dark:border-white/10">
+        <h3 className="text-lg font-semibold text-black/90 dark:text-white">
+          Download Excel Log
+        </h3>
+        <p className="mt-1 text-sm text-black/60 dark:text-white/60">
+          Choose device, function, and date to export the .xlsx generated by the logger.
+        </p>
+      </div>
+
+      <div className="p-5 sm:p-6 space-y-5">
+        {/* Site (read-only preview) */}
+        <div>
+          <label className="block text-sm opacity-80 mb-1 dark:text-white">Site</label>
+          <div className="px-3 py-2 rounded-lg bg-black/5 dark:bg-white/5 text-sm truncate dark:text-white">
+            {selectedProject?.project_name || selectedProject?.name}
+          </div>
+        </div>
+
+        {/* Device + Function */}
+        <div className="grid grid-cols-1 sm:grid-cols-2 gap-4">
+          <div>
+            <label className="block text-sm opacity-80 mb-1 dark:text-white">Meter (Device)</label>
+            <input
+              value={meter}
+              onChange={(e) => setMeter(e.target.value)}
+              placeholder="01"
+              className="input input-bordered w-full pl-2 rounded-lg"
+            />
+            <p className="mt-1 text-xs opacity-70 dark:text-white">
+              Matches topic: <code>ADW300/&lt;site&gt;/<b>{meter || '01'}</b>/…</code>
+            </p>
+          </div>
+
+          <div>
+            <label className="block text-sm opacity-80 mb-1 dark:text-white">Function</label>
+            <div className="flex rounded-xl overflow-hidden border border-black/10 dark:border-white/10">
+              <button
+                type="button"
+                onClick={() => setFn('grid')}
+                className={`flex-1 px-3 py-2 text-sm ${
+                  fn === 'grid'
+                    ? 'bg-rtyellow-200 text-black'
+                    : 'bg-black/5 dark:bg-white/5 hover:bg-black/10 dark:hover:bg-white/10 dark:text-white'
+                }`}
+              >
+                Grid
+              </button>
+              <button
+                type="button"
+                onClick={() => setFn('solar')}
+                className={`flex-1 px-3 py-2 text-sm ${
+                  fn === 'solar'
+                    ? 'bg-rtyellow-200 text-black'
+                    : 'bg-black/5 dark:bg-white/5 hover:bg-black/10 dark:hover:bg-white/10 dark:text-white'
+                }`}
+              >
+                Solar
+              </button>
+            </div>
+          </div>
+        </div>
+
+        {/* Date + quick picks */}
+        <div>
+          <label className="block text-sm opacity-80 mb-1 dark:text-white">Date</label>
+          <div className="flex items-center gap-3">
+            <input
+              type="date"
+              value={downloadDate}
+              onChange={(e) => setDownloadDate(e.target.value)}
+              className="input input-bordered w-48 pl-2 rounded-lg"
+            />
+            <div className="flex gap-2">
+              <button
+                type="button"
+                className="px-3 py-1 rounded-full text-xs border border-black/10 dark:border-white/15 hover:bg-black/5 dark:hover:bg-white/10 dark:text-white"
+                onClick={() => setDownloadDate(ymd(new Date()))}
+              >
+                Today
+              </button>
+              <button
+                type="button"
+                className="px-3 py-1 rounded-full text-xs border border-black/10 dark:border-white/15 hover:bg-black/5 dark:hover:bg:white/10 dark:text-white"
+                onClick={() => {
+                  const d = new Date();
+                  d.setDate(d.getDate() - 1);
+                  setDownloadDate(ymd(d));
+                }}
+              >
+                Yesterday
+              </button>
+            </div>
+          </div>
+        </div>
+      </div>
+
+      {/* Footer */}
+      <div className="p-5 sm:p-6 flex justify-end gap-3 border-t border-black/5 dark:border-white/10">
+        <button
+          type="button"
+          className="btn btn-primary bg-red-500 hover:bg-red-600 border-transparent"
+          onClick={() => setIsDownloadOpen(false)}
+          disabled={downloading}
+        >
+          Cancel
+        </button>
+        <button
+          type="button"
+          className="btn btn-primary border-transparent"
+          onClick={downloadExcel}
+          disabled={downloading || !meter || !downloadDate}
+        >
+          {downloading ? 'Preparing…' : 'Download'}
+        </button>
+      </div>
+    </div>
+  </div>
+)}
 
       </div>
     </DashboardLayout>