# IMPORTANT: Before releasing this package, copy/paste the next 2 lines into PowerShell to remove all comments from this file:
#   $f='c:\path\to\thisFile.ps1'
#   gc $f | ? {$_ -notmatch "^\s*#"} | % {$_ -replace '(^.*?)\s*?[^``]#.*','$1'} | Out-File $f+".~" -en utf8; mv -fo $f+".~" $f

# If this is an MSI, cleaning up comments is all you need.
# If this is an exe, change installerType and silentArgs
# Auto Uninstaller should be able to detect and handle registry uninstalls (if it is turned on, it is in preview for 0.9.9).

$ErrorActionPreference = 'Stop'; # stop on all errors

$packageName = 'iis-arr'
$softwareName = 'Microsoft Application Request Routing 3.0' #part or all of the Display Name as you see it in Programs and Features. It should be enough to be unique
$installerType = 'MSI' 
#$installerType = 'EXE' 

$silentArgs = '/qn /norestart'
# https://msdn.microsoft.com/en-us/library/aa376931(v=vs.85).aspx
$validExitCodes = @(0, 3010, 1605, 1614, 1641)
if ($installerType -ne 'MSI') {
  # The below is somewhat naive and built for EXE installers
  # Uncomment matching EXE type (sorted by most to least common)
  #$silentArgs = '/S'           # NSIS
  #$silentArgs = '/VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-' # Inno Setup
  #$silentArgs = '/s'           # InstallShield
  #$silentArgs = '/s /v"/qn"' # InstallShield with MSI
  #$silentArgs = '/s'           # Wise InstallMaster
  #$silentArgs = '-s'           # Squirrel
  #$silentArgs = '-q'           # Install4j
  #$silentArgs = '-s -u'        # Ghost
  # Note that some installers, in addition to the silentArgs above, may also need assistance of AHK to achieve silence.
  #$silentArgs = ''             # none; make silent with input macro script like AutoHotKey (AHK)
                                #       https://chocolatey.org/packages/autohotkey.portable
  $validExitCodes = @(0)
}

$uninstalled = $false
$local_key     = 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Uninstall\*'
$machine_key   = 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\*'
$machine_key6432 = 'HKLM:\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*'

$key = Get-ItemProperty -Path @($machine_key6432,$machine_key, $local_key) `
                        -ErrorAction SilentlyContinue `
         | ? { $_.DisplayName -like "$softwareName" }

if ($key.Count -eq 1) {
  $key | % { 
    $file = "$($_.UninstallString)"

    if ($installerType -eq 'MSI') {
      # The Product Code GUID is all that should be passed for MSI, and very 
      # FIRST, because it comes directly after /x, which is already set in the 
      # Uninstall-ChocolateyPackage msiargs (facepalm).
      $silentArgs = "$($_.PSChildName) $silentArgs"

      # Don't pass anything for file, it is ignored for msi (facepalm number 2) 
      # Alternatively if you need to pass a path to an msi, determine that and 
      # use it instead of the above in silentArgs, still very first
      $file = ''
    }

    Uninstall-ChocolateyPackage -PackageName $packageName `
                                -FileType $installerType `
                                -SilentArgs "$silentArgs" `
                                -ValidExitCodes $validExitCodes `
                                -File "$file"
  }
} elseif ($key.Count -eq 0) {
  Write-Warning "$packageName has already been uninstalled by other means."
} elseif ($key.Count -gt 1) {
  Write-Warning "$key.Count matches found!"
  Write-Warning "To prevent accidental data loss, no programs will be uninstalled."
  Write-Warning "Please alert package maintainer the following keys were matched:"
  $key | % {Write-Warning "- $_.DisplayName"}
}


## OTHER HELPERS
## https://github.com/chocolatey/choco/wiki/HelpersReference
#Uninstall-ChocolateyZipPackage
#Uninstall-BinFile # Only needed if you added one in the installer script, choco will remove the ones it added automatically.
#remove any shortcuts you added