feat: add bulk delete with validation to IP Pool and update provisioning logic and email notifications

app/Jobs/VirtualMachine/Provision/SendVmCredentialsEmailJob.php

@@ -64,19 +64,23 @@ class SendVmCredentialsEmailJob implements ShouldQueue
         $orderItem = $vm->order?->orderItems?->first();
         $months    = (int) ($orderItem?->months ?? 0);
 
+        $osGroupName = $vm->os?->osGroup?->name ?? '';
+        $isWindows   = str_contains(strtolower($osGroupName), 'windows');
+        $osUsername  = $isWindows ? 'Administrator' : 'root';
+
         $emailData = [
             'company_name'     => $settingValue->company ?? 'Thế Giới Số',
             'company_logo'     => $settingValue->logo    ?? '',
-            'client_name'      => trim($customer->firstname . ' ' . $customer->lastname),
+            'client_name'      => $customer->fullname ?? '',
             'product_name'     => $orderItem?->getProductAttribute()?->name ?? 'Cloud VPS',
             'product_billing'  => $this->billingLabel($months),
             'product_price'    => $orderItem ? number_format((float) $orderItem->price, 0, ',', '.') : 'N/A',
             'service_host'     => $vm->ip ?? 'N/A',
-            'service_username' => $vm->user,
+            'service_username' => $osUsername,
             'service_port'     => $vm->port,
             'service_password' => $vm->plain_password ?? '(xem tài khoản quản lý)',
             'os_name'          => $vm->os
-                ? (($vm->os->osGroup?->name ?? '') . ' ' . $vm->os->version)
+                ? (($osGroupName . ' ' . $vm->os->version))
                 : 'Unknown OS',
             'service_due_exp'  => $vm->next_due_date
                 ? date('d/m/Y', (int) $vm->next_due_date)
@@ -117,7 +121,7 @@ class SendVmCredentialsEmailJob implements ShouldQueue
         // Notify admin with VM credentials after successful provisioning
         $order = $vm->order;
         AdminOrderNotificationJob::dispatch([
-            'customer_name'  => trim($customer->firstname . ' ' . $customer->lastname),
+            'customer_name'  => $customer->fullname ?? '',
             'customer_email' => $customer->email,
             'client_ip'      => null,
             'order_num'      => $order?->order_num ?? $order?->id ?? 'N/A',
@@ -127,7 +131,7 @@ class SendVmCredentialsEmailJob implements ShouldQueue
             'total'          => $orderItem?->price ?? 0,
             'created_at'     => $order?->created_at?->format('d/m/Y H:i:s') ?? now()->format('d/m/Y H:i:s'),
             'ip'             => $vm->ip ?? '',
-            'username'       => $vm->user ?? '',
+            'username'       => $osUsername,
             'password'       => $vm->plain_password ?? '',
         ]);