$ErrorActionPreference = 'Stop';

$packageName = 'zerotier-one'
$softwareName = 'ZeroTier One*'
$installerType = 'MSI'

$silentArgs = '/qn /norestart'
$validExitCodes = @(0, 3010, 1605, 1614, 1641)
$uninstalled = $false

[array]$key = Get-UninstallRegistryKey -SoftwareName $softwareName

if ($key.Count -eq 1) {
  $key | % { 
    $silentArgs = "$($_.PSChildName) $silentArgs"
    $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"}
}