param(
  [Parameter(Mandatory = $true)][string]$Title,
  [Parameter(Mandatory = $true)][string]$Body,
  [int]$Sound = 1
)

$ErrorActionPreference = 'Stop'
$shown = $false

try {
  [Windows.UI.Notifications.ToastNotificationManager, Windows.UI.Notifications, ContentType = WindowsRuntime] | Out-Null
  [Windows.Data.Xml.Dom.XmlDocument, Windows.Data.Xml.Dom.XmlDocument, ContentType = WindowsRuntime] | Out-Null

  $t = [System.Security.SecurityElement]::Escape($Title)
  $b = [System.Security.SecurityElement]::Escape($Body)
  $xmlText = @"
<toast>
  <visual>
    <binding template="ToastGeneric">
      <text>$t</text>
      <text>$b</text>
      <text placement="attribution">Goofish Watcher</text>
    </binding>
  </visual>
  <audio silent="true"/>
</toast>
"@

  $xml = New-Object Windows.Data.Xml.Dom.XmlDocument
  $xml.LoadXml($xmlText)
  $toast = New-Object Windows.UI.Notifications.ToastNotification $xml

  $appIds = @(
    '{1AC14E77-02E7-4E5D-B744-2EB1AE5198B7}\WindowsPowerShell\v1.0\powershell.exe',
    'Microsoft.PowerShell',
    'GoofishWatcher'
  )
  foreach ($id in $appIds) {
    try {
      [Windows.UI.Notifications.ToastNotificationManager]::CreateToastNotifier($id).Show($toast)
      $shown = $true
      break
    } catch { }
  }
} catch { }

if ($Sound -gt 0) {
  for ($i = 0; $i -lt $Sound; $i++) {
    try { [System.Media.SystemSounds]::Exclamation.Play() } catch { }
    if ($i -lt $Sound - 1) { Start-Sleep -Milliseconds 500 }
  }
}

if (-not $shown) {
  try {
    $sh = New-Object -ComObject WScript.Shell
    $null = $sh.Popup("$Title`n$Body", 8, "Goofish Watcher", 64)
  } catch { }
}