diff --git a/app/Filament/Resources/OcrValidationResource.php b/app/Filament/Resources/OcrValidationResource.php
index c80a107..9667067 100644
--- a/app/Filament/Resources/OcrValidationResource.php
+++ b/app/Filament/Resources/OcrValidationResource.php
@@ -35,23 +35,23 @@ class OcrValidationResource extends Resource
     public $serialNumbers = [];
 
 
-    protected $listeners = [
-        'set-serial-numbers' => 'fillSerialNumbers'
-    ];
+    // protected $listeners = [
+    //     'set-serial-numbers' => 'fillSerialNumbers'
+    // ];
 
     use InteractsWithForms;
 
-    public function fillSerialNumbers($event)
-    {
-        $serialNumbers = $event['serialNumbers'] ?? [];
+    // public function fillSerialNumbers($event)
+    // {
+    //     $serialNumbers = $event['serialNumbers'] ?? [];
 
-        $this->form->fill([
-            'serial_1' => $serialNumbers[0] ?? null,
-            'serial_2' => $serialNumbers[1] ?? null,
-            'serial_3' => $serialNumbers[2] ?? null,
-            'serial_4' => $serialNumbers[3] ?? null,
-        ]);
-    }
+    //     $this->form->fill([
+    //         'serial_1' => $serialNumbers[0] ?? null,
+    //         'serial_2' => $serialNumbers[1] ?? null,
+    //         'serial_3' => $serialNumbers[2] ?? null,
+    //         'serial_4' => $serialNumbers[3] ?? null,
+    //     ]);
+    // }
 
     public static function form(Form $form): Form
     {
@@ -256,27 +256,9 @@ class OcrValidationResource extends Resource
                         ->label('Upload OCR')
                         ->action(function ($get, callable $set) {
 
-                            // $serialNumbers = [
-                            //     $get('serial_1'),
-                            //     $get('serial_2'),
-                            //     $get('serial_3'),
-                            //     $get('serial_4'),
-                            // ];
-
-                            // $hasSerial = collect($serialNumbers)->some(fn($s) => !empty($s));
-                            // $serialNumbersJson = $get('serial_numbers');
-                            // $serialNumbers = json_decode($serialNumbersJson, true) ?? [];
-                            // $serials = session('serial_numbers', []);
                             $serials = session('serial_numbers');
 
-                            // if (empty($serials)) {
-                            //     Filament::notify('danger', 'No serial numbers found!');
-                            //     return;
-                            // }
-
-                            // ✅ Store into local Filament state (optional)
                             $set('serial_numbers', $serials);
-                            //dd($serials);
 
                             if (empty($serials)) {
                                 Notification::make()
@@ -286,9 +268,69 @@ class OcrValidationResource extends Resource
                                 return;
                             }
 
-                            // Now you can proceed with your PDF logic
                             //$serialNumbers = array_slice($serialNumbers, 0, 4);
 
+                            if (count($serials) == 1)
+                            {
+                                $serialNumbers = $serials;
+
+                                $templatePath = storage_path('app/private/uploads/StickerTemplateOcr/Single.pdf');
+                                $outputPath = storage_path('app/private/uploads/StickerTemplateOcr/single_filled.pdf');
+
+                                $pdf = new Fpdi('P', 'mm', [90, 90]);
+
+                                $templateId = $pdf->setSourceFile($templatePath);
+                                $templatePage = $pdf->importPage(1);
+
+                                $pdf->AddPage();
+                                $pdf->useTemplate($templatePage, 0, 0, 90, 90);
+
+                                $pdf->SetFont('Helvetica', '', 10);
+                                $pdf->SetTextColor(0, 0, 0);
+
+                                $slots = [
+                                    ['x' => 5.7,  'y' => 41.9, 'w' => 46.5, 'h' => 3.5],  // 1st serial
+                                ];
+
+                                $qrSlots = [
+                                    ['x' => 17.3,  'y' => 29.2, 'size' => 11.4],
+                                ];
+
+                                foreach ($serialNumbers as $i => $serial) {
+                                    if (!isset($slots[$i]) || !isset($qrSlots[$i])) continue;
+
+                                    // Erase old QR completely (slightly larger)
+                                    $pdf->SetFillColor(255, 255, 255);
+                                    $pdf->Rect($qrSlots[$i]['x']-1, $qrSlots[$i]['y']-1, $qrSlots[$i]['size']+2, $qrSlots[$i]['size']+2, 'F');
+
+                                    // Generate new QR code
+                                    $qrPath = storage_path("app/private/uploads/QR/qr_$serial.png");
+                                    $qrDir = storage_path('app/private/uploads/QR');
+                                    if (!file_exists($qrDir)) mkdir($qrDir, 0777, true);
+                                    //QrCode::format('svg')->size(100)->generate($serial, $qrPath);
+                                    QrCode::format('png')->size(300)->errorCorrection('H')->generate($serial, $qrPath);
+
+                                    // Place QR code
+                                    $pdf->Image($qrPath, $qrSlots[$i]['x'], $qrSlots[$i]['y'], $qrSlots[$i]['size'], $qrSlots[$i]['size']);
+
+                                    // Erase old serial
+                                    $pdf->SetFillColor(255, 255, 255);
+                                    $pdf->Rect($slots[$i]['x'], $slots[$i]['y'], $slots[$i]['w'], $slots[$i]['h'], 'F');
+
+                                    // Write new serial
+                                    $pdf->SetXY($slots[$i]['x'], $slots[$i]['y']);
+                                    $pdf->Cell($slots[$i]['w'], $slots[$i]['h'], $serial, 0, 0, 'L');
+                                }
+
+                                // Save the final PDF
+                                $pdf->Output('F', $outputPath);
+
+                                // Download
+                                return response()->download($outputPath);
+                            }
+                            if(count($serials) == 4)
+                            {
+
                                 $serialNumbers = array_slice($serials, 0, 4);
 
                                 //dd($serialNumbers);
@@ -367,7 +409,16 @@ class OcrValidationResource extends Resource
 
                                 // Download
                                 return response()->download($outputPath);
+                            }
+                            else
+                            {
+                                Notification::make()
+                                    ->title('Please capture either 1 or 4 serial numbers.')
+                                    ->danger()
+                                    ->send();
+                                return;
 
+                            }
                         }),