Improves driver downloads by using cached links

Reduces unnecessary Download Center requests by preferring cached file details when available

Falls back to downloading/parsing the page only on cache miss, then backfills the cache for future runs

Adds error handling and logging around cache load/update to avoid download failures from cache issues

FFUDevelopment/FFUUI.Core/FFUUI.Core.Drivers.Microsoft.psm1

@@ -185,6 +185,47 @@ function Save-MicrosoftDriversTask {
         ### GET THE DOWNLOAD LINK
         $status = "Getting download link..."
         if ($null -ne $ProgressQueue) { Invoke-ProgressUpdate -ProgressQueue $ProgressQueue -Identifier $modelName -Status $status }
+
+        # Initialize Win10/Win11 link variables
+        $win10Link = $null
+        $win10FileName = $null
+        $win11Link = $null
+        $win11FileName = $null
+
+        # Prefer cached Download Center details (Source C) to avoid unnecessary internet calls and cache rewrites
+        $useCachedDownloadCenterDetails = $false
+        try {
+            $cache = Import-SurfaceDriverIndexCache -DriversFolder $DriversFolder
+            $cachedDetails = @($cache.DownloadCenterDetails | Where-Object { $_.Link -eq $modelLink } | Select-Object -First 1)
+            if ($cachedDetails.Count -gt 0 -and $cachedDetails[0].Files -and $cachedDetails[0].Files.Count -gt 0) {
+                $useCachedDownloadCenterDetails = $true
+                WriteLog "Surface cache: Using cached Download Center details for $modelName from $modelLink"
+
+                foreach ($downloadFile in @($cachedDetails[0].Files)) {
+                    if ($null -eq $downloadFile) { continue }
+                    $currentFileName = $downloadFile.Name
+                    $fileUrl = $downloadFile.Url
+                    if ([string]::IsNullOrWhiteSpace($currentFileName) -or [string]::IsNullOrWhiteSpace($fileUrl)) { continue }
+
+                    if ($currentFileName -match "Win10") {
+                        $win10Link = $fileUrl
+                        $win10FileName = $currentFileName
+                        WriteLog "Found Win10 link (cached): $win10FileName"
+                    }
+                    elseif ($currentFileName -match "Win11") {
+                        $win11Link = $fileUrl
+                        $win11FileName = $currentFileName
+                        WriteLog "Found Win11 link (cached): $win11FileName"
+                    }
+                }
+            }
+        }
+        catch {
+            WriteLog "Surface cache: Failed loading cached Download Center details for '$modelName'. Error: $($_.Exception.Message)"
+        }
+
+        # Cache miss: download and parse the model's Download Center page (Source C), then backfill the cache
+        if (-not $useCachedDownloadCenterDetails) {
             WriteLog "Getting download page content for $modelName from $modelLink"
             $OriginalVerbosePreference = $VerbosePreference
             $VerbosePreference = 'SilentlyContinue'
@@ -205,12 +246,6 @@ function Save-MicrosoftDriversTask {
                 $downloadFilePattern = '"name":"([^"]+\.(?:msi|zip))",[^}]*?"url":"(.*?)"'
                 $downloadFileMatches = [regex]::Matches($scriptContent, $downloadFilePattern, [System.Text.RegularExpressions.RegexOptions]::IgnoreCase)
 
-
-            $win10Link = $null
-            $win10FileName = $null
-            $win11Link = $null
-            $win11FileName = $null
-
                 # Iterate through all matches to find potential Win10 and Win11 links
                 foreach ($downloadFile in $downloadFileMatches) {
                     $currentFileName = $downloadFile.Groups[1].Value
@@ -262,6 +297,11 @@ function Save-MicrosoftDriversTask {
                     WriteLog "Surface cache: Failed updating Download Center details cache for '$modelName'. Error: $($_.Exception.Message)"
                 }
 
+                $useCachedDownloadCenterDetails = $true
+            }
+        }
+
+        if ($useCachedDownloadCenterDetails) {
             # Decision logic to select the appropriate download link
             $downloadLink = $null
             $fileName = $null