$AWS_RegionCompleter = {
	param ($commandName, $parameterName, $wordToComplete, $commandAst, $fakeBoundParameter)

	$regionHash = @{ }

    # Similar to Get-AWSRegion
	$regions = [Amazon.RegionEndpoint]::EnumerableAllRegions
	foreach ($r in $regions)
	{
		$regionHash.Add($r.SystemName, $r.DisplayName)
	}

	$regionHash.Keys |
	Sort-Object |
	Where-Object { $_ -like "$wordToComplete*" } |
	ForEach-Object {
		New-Object System.Management.Automation.CompletionResult $_, $_, 'ParameterValue', $regionHash[$_]
	}
}

_awsArgumentCompleterRegistration $AWS_RegionCompleter @{ "Region"=@() }

$AWS_ProfileNameCompleter = {
	param ($commandName, $parameterName, $wordToComplete, $commandAst, $fakeBoundParameter)

	# allow for new user with no profiles set up yet
	$profiles = Get-AWSCredentials -ListProfileDetail | select -expandproperty ProfileName
	if ($profiles)
	{
		$profiles |
		Sort-Object |
		Where-Object { $_ -like "$wordToComplete*" } |
		ForEach-Object {
			New-Object System.Management.Automation.CompletionResult $_, $_, 'ParameterValue', $_
		}
	}
}

_awsArgumentCompleterRegistration $AWS_ProfileNameCompleter @{ "ProfileName"=@() }