Param($PackageDir, $LogDir)
if ($PSBoundParameters.Count -ne 2)  { Write-host "Error: -PackageDir <path> -LogDir <Path>" ;exit 1}
If ( -not (Test-Path $packagedir)) { Write-host "Error: -PackageDir <path> does not exist." ;exit 1}
If ( -not (Test-Path $LogDir)) { Write-host "Error: -LogDir <path> does not exist." ;exit 1}

function Write-Log {
  param (
      [string]$Message,
      [string]$LogPath = "$env:TEMP\onlinepatch.log"
    )
  $timestamp = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
  $entry = "[$timestamp] $Message"
  Add-Content -Path $LogPath -Value $entry
}

$LogPath = "$LogDir\$(hostname)_appupdate.log"
if (Test-Path $logPath) {
  $logTime = (get-item $logPath).LastWriteTime
} else {
  $logTime = get-Date("1900/1/1")
}

Write-Log -Message "Start appupdate.ps1" -LogPath $LogPath

$edgever = (Get-ItemProperty "${env:ProgramFiles(x86)}\Microsoft\Edge\Application\msedge.exe").VersionInfo.ProductVersion
#$edgever = (Get-AppXPackage Microsoft.MicrosoftEdge.Stable).Version
Write-Log -Message "Info: Current Edge Version: $($edgever)" -LogPath $LogPath

$packages = (Get-ChildItem -Path $packagedir| where {$_.extension -eq ".msi"} | Sort Name | %{$_.FullName})

$success = $true
if ($packages.Count -gt 0){
  foreach ($package in $packages){
    if ((get-item $package).LastWriteTime -lt $logTime) {
      $outmsg = "It was already installed."
      Write-Output $outmsg
      Write-Log -Message $outmsg -LogPath $LogPath
      exit 0
    }
  }
  $outmsg = "Installation of updates (msi) is starting... "
  Write-Output $outmsg
  Write-Log -Message $outmsg -LogPath $LogPath
  foreach ($package in $packages){
    Start-Process msiexec.exe -Wait -ArgumentList "/i $package /qn"
    if (!($LASTEXITCODE -eq 0)) {
      $success = $false
      $package = "+ " + (Get-Item $package).Name + ": Failed"  
    } else {
      $package = "+ " + (Get-Item $package).Name  + ": Success"
    }
    Write-Output $package
    Write-Log -Message $package -LogPath $LogPath
  }
  $outmsg = "Finished installing updates."
  Write-Output $outmsg
  Write-Log -Message $outmsg -LogPath $LogPath
  if ($success) {
    $outmsg = "Info: All updates were successfully installed."
    $edgever = (Get-ItemProperty "${env:ProgramFiles(x86)}\Microsoft\Edge\Application\msedge.exe").VersionInfo.ProductVersion
    Write-Log -Message "Info: New Edge Version: $($edgever)" -LogPath $LogPath
  } else {
    $outmsg = "Info: There is a failed update."
  }
} else {
  $outmsg = "There are no app updates (msi)."
}
Write-Output $outmsg
Write-Log -Message $outmsg -LogPath $LogPath

$packages = (Get-ChildItem -Path $packagedir| where {$_.extension -eq ".exe"} | Sort Name | %{$_.FullName})

$success = $true
if ($packages.Count -gt 0){
  $outmsg = "Installation of updates (exe) is starting... "
  Write-Log -Message $outmsg -LogPath $LogPath
  foreach ($package in $packages){
    Copy-Item $package -Destination "$env:TEMP\myinstaller.exe"
    Start-Process "$env:TEMP\myinstaller.exe" -Wait -ArgumentList "/silent /install"
    if (!($LASTEXITCODE -eq 0)) {
      $success = $false
      $package = "+ " + (Get-Item $package).Name + ": Failed"  
    } else {
      $package = "+ " + (Get-Item $package).Name  + ": Success"
    }
    Write-Output $package
    Write-Log -Message $package -LogPath $LogPath
    Remove-Item "$env:TEMP\myinstaller.exe"
  }
  $outmsg = "Finished installing updates."
  Write-Log -Message $outmsg -LogPath $LogPath
  if ($success) {
    $outmsg = "Info: All updates were successfully installed."
  } else {
    $outmsg = "Info: There are failed updates."
  }
} else {
  $outmsg = "There are no app updates (exe)."
}
Write-Log -Message $outmsg -LogPath $LogPath
exit 0