@echo off
setlocal EnableExtensions EnableDelayedExpansion

:: Elevate to admin if needed
net session >nul 2>&1
if not "%errorlevel%"=="0" (
  powershell -NoProfile -Command "Start-Process -FilePath '%~f0' -Verb RunAs"
  exit /b
)

:: Pick multiple CABs (returns one line delimited by |)
set "CABS="
for /f "usebackq delims=" %%I in (`
  powershell -NoProfile -Command ^
    "Add-Type -AssemblyName System.Windows.Forms; " ^
    "$d=New-Object System.Windows.Forms.OpenFileDialog; " ^
    "$d.Title='Select Windows Update CAB file(s)'; " ^
    "$d.Filter='CAB files (*.cab)|*.cab|All files (*.*)|*.*'; " ^
    "$d.Multiselect=$true; " ^
    "if($d.ShowDialog() -ne 'OK'){ exit 1 }; " ^
    "[string]::Join('|',$d.FileNames)"
`) do set "CABS=%%I"

if not defined CABS (
  powershell -NoProfile -Command ^
    "Add-Type -AssemblyName System.Windows.Forms; [System.Windows.Forms.MessageBox]::Show('No files selected.','Install CAB Updates',[System.Windows.Forms.MessageBoxButtons]::OK,[System.Windows.Forms.MessageBoxIcon]::Information) | Out-Null"
  exit /b 1
)

:: Install each CAB (split on |)
set "FAIL=0"
set "REBOOT=0"
set /a "COUNT=0"
set /a "OK=0"
set /a "BAD=0"

set "SUCCESS="
set "FAILED="
set "REST=%CABS%"

:nextcab
if not defined REST goto done

for /f "delims=| tokens=1*" %%A in ("%REST%") do (
  set "CAB=%%A"
  set "REST=%%B"
)

for %%X in ("%CAB%") do set "NAME=%%~nxX"

if not exist "%CAB%" (
  echo [SKIP] Not found: "%CAB%"
  set "FAIL=1"
  set /a "BAD+=1"
  if defined FAILED (set "FAILED=!FAILED!|!NAME!") else set "FAILED=!NAME!"
  goto nextcab
)

set /a "COUNT+=1"

echo.
echo --------------------------------------------------
echo Installing (%COUNT%): "%CAB%"
echo --------------------------------------------------

dism /Online /Add-Package /PackagePath:"%CAB%" /NoRestart
set "RC=%errorlevel%"

echo Result: %RC%

if "%RC%"=="0" (
  set /a "OK+=1"
  if defined SUCCESS (set "SUCCESS=!SUCCESS!|!NAME!") else set "SUCCESS=!NAME!"
) else if "%RC%"=="3010" (
  set "REBOOT=1"
  set /a "OK+=1"
  if defined SUCCESS (set "SUCCESS=!SUCCESS!|!NAME!") else set "SUCCESS=!NAME!"
) else (
  set "FAIL=1"
  set /a "BAD+=1"
  if defined FAILED (set "FAILED=!FAILED!|!NAME!") else set "FAILED=!NAME!"
)

goto nextcab

:done
:: Decide dialog severity
set "TITLE=Install CAB Updates"
set "ICON=Information"
set "STATUS=Completed."

if "%REBOOT%"=="1" (
  set "ICON=Warning"
  set "STATUS=Completed. Reboot required."
)

if "%FAIL%"=="1" (
  set "ICON=Error"
  set "STATUS=Completed with errors."
)

:: Final dialog built entirely in PowerShell (no Replace placeholders)
powershell -NoProfile -Command ^
  "Add-Type -AssemblyName System.Windows.Forms; Add-Type -AssemblyName System.Drawing; " ^
  "$nl=[Environment]::NewLine; " ^
  "$status=$env:STATUS; $title=$env:TITLE; " ^
  "$count=[int]$env:COUNT; $ok=[int]$env:OK; $bad=[int]$env:BAD; " ^
  "$succ=@(); if($env:SUCCESS){ $succ=$env:SUCCESS -split '\|' | Where-Object { $_ -and $_.Trim() } }; " ^
  "$fail=@(); if($env:FAILED){ $fail=$env:FAILED -split '\|' | Where-Object { $_ -and $_.Trim() } }; " ^
  "$succText = if($succ.Count){ ($succ | ForEach-Object { ' - ' + $_ }) -join $nl } else { ' (none)' }; " ^
  "$failText = if($fail.Count){ ($fail | ForEach-Object { ' - ' + $_ }) -join $nl } else { ' (none)' }; " ^
  "$msg = $status + $nl + $nl + ('Attempts: ' + $count) + $nl + ('Successful: ' + $ok) + $nl + ('Failed/Skipped: ' + $bad) + $nl + $nl + " ^
  "       'Successful CABs:' + $nl + $succText + $nl + $nl + 'Failed/Skipped CABs:' + $nl + $failText; " ^
  "$f=New-Object System.Windows.Forms.Form; " ^
  "$f.Text=$title; $f.StartPosition='CenterScreen'; $f.FormBorderStyle='FixedDialog'; $f.MaximizeBox=$false; $f.MinimizeBox=$false; " ^
  "$f.ClientSize=New-Object System.Drawing.Size(950,560); " ^
  "$tb=New-Object System.Windows.Forms.TextBox; " ^
  "$tb.Multiline=$true; $tb.ReadOnly=$true; $tb.ScrollBars='Both'; $tb.WordWrap=$false; " ^
  "$tb.Font=New-Object System.Drawing.Font('Consolas',10); " ^
  "$tb.Dock='Fill'; $tb.Text=$msg; " ^
  "$buttons=New-Object System.Windows.Forms.FlowLayoutPanel; " ^
  "$buttons.Dock='Bottom'; $buttons.Height=52; $buttons.FlowDirection='RightToLeft'; $buttons.Padding='10,10,10,10'; " ^
  "$okBtn=New-Object System.Windows.Forms.Button; $okBtn.Text='OK'; $okBtn.Width=90; $okBtn.Height=30; " ^
  "$okBtn.Add_Click({$f.Close()}); " ^
  "$buttons.Controls.Add($okBtn); " ^
  "$f.Controls.Add($tb); $f.Controls.Add($buttons); " ^
  "$null=$f.ShowDialog();"

if "%FAIL%"=="1" exit /b 2
exit /b 0