# Vars
$Servers = @("srv-1","srv-2","srv-3","srv-4")
$dataStamp = Get-Date -Format "yyyy-MM-dd"
$MSIPath = "\\srv-fs\distr\SLMF\currentVersion"
$LogPath = "\\srv-fs\distr\SLMF\InstallLog"
$ErrorPath = "\\srv-fs\distr\SLMF\errors"
$Servers | ForEach-Object {
  # multi-hop workaround
  if (Test-Path "$MSIPath") {
    Copy-Item "$MSIPath\Service.Config.xml" \\$_\c$\
    Copy-Item "$MSIPath\ServiceLogonMultiFactor.msi" \\$_\c$\
  }
  Invoke-Command $_ {
    $MSIArgs = @(
        "/I c:\ServiceLogonMultiFactor.msi"
        "/L c:\SLMF_$($env:computername)_$($using:dataStamp).log"
    )
    # Uninstall to prevent doubles and for downgrade
    (Get-WmiObject -Query "SELECT * FROM Win32_Product WHERE Name like '%servicelogonmultifactor%'").uninstall()
    Start-Process "msiexec.exe" -ArgumentList $MSIArgs -Wait -NoNewWindow
    Start-Sleep -Seconds 2
    Get-Service ServiceLogonMultiFactor
  }
  # Check post-installation error log. Copy to central log repo
  if (($logs = Get-ChildItem "\\$_\c$\Program Files\Servilon\SLMF\log\errors") -ne $null) {
    foreach ($file in $logs) {
      Copy-Item -Path $file.FullName -Destination "$ErrorPath\$($_)_$($file.Name).txt"
    }
  }
  # Move installation log to central log repo
  Move-Item "\\$_\c$\SLMF_*" "$LogPath" -Force
  Remove-Item "\\$_\c$\ServiceLogonMultiFactor.msi"
  Remove-Item "\\$_\c$\Service.Config.xml"
}