From c7495059fd4b2d1096a2934bfd914691b462f1cf Mon Sep 17 00:00:00 2001
From: Chris Titus Tech <dfm.titus@gmail.com>
Date: Thu, 18 Sep 2025 10:26:11 -0500
Subject: [PATCH] Offline Capabilities

---
 Compile.ps1                                   |  2 +-
 .../Test-WinUtilInternetConnection.ps1        | 26 ++++++++++++++++
 scripts/main.ps1                              | 30 ++++++++++++++++++-
 3 files changed, 56 insertions(+), 2 deletions(-)
 create mode 100644 functions/private/Test-WinUtilInternetConnection.ps1

diff --git a/Compile.ps1 b/Compile.ps1
index d4bb3718..fc6290b3 100644
--- a/Compile.ps1
+++ b/Compile.ps1
@@ -51,7 +51,7 @@ Update-Progress "Pre-req: Running Preprocessor..." 0
 $preprocessingFilePath = ".\tools\Invoke-Preprocessing.ps1"
 . $preprocessingFilePath
 
-$excludedFiles = @('.\.git\', '.\.gitignore', '.\.gitattributes', '.\.github\CODEOWNERS', '.\LICENSE', "$preprocessingFilePath", '*.png', '*.exe','.\.preprocessor_hashes.json')
+$excludedFiles = @('.\.git\', '.\binary\', '.\.gitignore', '.\.gitattributes', '.\.github\CODEOWNERS', '.\LICENSE', "$preprocessingFilePath", '*.png', '*.exe','.\.preprocessor_hashes.json')
 $msg = "Pre-req: Code Formatting"
 Invoke-Preprocessing -WorkingDir "$workingdir" -ExcludedFiles $excludedFiles -ProgressStatusMessage $msg
 
diff --git a/functions/private/Test-WinUtilInternetConnection.ps1 b/functions/private/Test-WinUtilInternetConnection.ps1
new file mode 100644
index 00000000..17ef23d2
--- /dev/null
+++ b/functions/private/Test-WinUtilInternetConnection.ps1
@@ -0,0 +1,26 @@
+function Test-WinUtilInternetConnection {
+    <#
+    .SYNOPSIS
+        Tests if the computer has internet connectivity
+    .OUTPUTS
+        Boolean - True if connected, False if offline
+    #>
+    try {
+        # Test multiple reliable endpoints
+        $testSites = @(
+            "8.8.8.8",           # Google DNS
+            "1.1.1.1",           # Cloudflare DNS
+            "208.67.222.222"     # OpenDNS
+        )
+
+        foreach ($site in $testSites) {
+            if (Test-Connection -ComputerName $site -Count 1 -Quiet -TimeoutSeconds 3 -ErrorAction SilentlyContinue) {
+                return $true
+            }
+        }
+        return $false
+    }
+    catch {
+        return $false
+    }
+}
diff --git a/scripts/main.ps1 b/scripts/main.ps1
index 47b3b339..13914e31 100644
--- a/scripts/main.ps1
+++ b/scripts/main.ps1
@@ -310,7 +310,35 @@ $sync["Form"].Add_ContentRendered({
         Write-Debug "Unable to retrieve information about the primary monitor."
     }
 
-    Invoke-WPFTab "WPFTab1BT"
+    # Check internet connectivity and disable install tab if offline
+    $isOnline = Test-WinUtilInternetConnection
+
+    if (-not $isOnline) {
+        # Disable the install tab
+        $sync.WPFTab1BT.IsEnabled = $false
+        $sync.WPFTab1BT.Opacity = 0.5
+        $sync.WPFTab1BT.ToolTip = "Internet connection required for installing applications"
+
+        # Disable install-related buttons
+        $sync.WPFInstall.IsEnabled = $false
+        $sync.WPFUninstall.IsEnabled = $false
+        $sync.WPFInstallUpgrade.IsEnabled = $false
+        $sync.WPFGetInstalled.IsEnabled = $false
+
+        # Show offline indicator
+        Write-Host "Offline mode detected - Install tab disabled" -ForegroundColor Yellow
+
+        # Optionally switch to a different tab if install tab was going to be default
+        Invoke-WPFTab "WPFTab2BT"  # Switch to Tweaks tab instead
+    }
+    else {
+        # Online - ensure install tab is enabled
+        $sync.WPFTab1BT.IsEnabled = $true
+        $sync.WPFTab1BT.Opacity = 1.0
+        $sync.WPFTab1BT.ToolTip = $null
+        Invoke-WPFTab "WPFTab1BT"  # Default to install tab
+    }
+
     $sync["Form"].Focus()
 
     # maybe this is not the best place to load and execute config file?