# Copyright © 2015, Microsoft Corporation. All rights reserved.
# :: ======================================================= ::

<#
	DESCRIPTION
	  TS_LowVolume validates whether the selected audio device is set to low volume.

	ARGUMENTS
	  deviceType : Contains string value of specific Audio device type selected.
	  deviceID : Contains string value of specific Audio device ID selected. 

	RETURNS
	  result : Boolean value $true if audio volume is low else $false  
#>

#====================================================================================
# Initialize
#====================================================================================
PARAM($deviceType, $deviceID)
Import-LocalizedData -BindingVariable localizationString -FileName CL_LocalizationData

#====================================================================================
# Load Common Library
#====================================================================================
. .\CL_AudioDiagnosticSnapIn.ps1
. .\CL_Utility.ps1

#====================================================================================
# Main
#====================================================================================
[bool]$result = $false
[bool]$detected = $false
[int]$currentVolume = -1

Write-DiagProgress -Activity $localizationString.lowVolume_progress

try
{
	Register-AudioDiagnosticSnapIn
	$device = Get-AudioDevice -id "$deviceID"
	if($device.State -eq 1)
	{
		$currentVolume = $device.MasterVolume
		$result = (($currentVolume -le 10) -and ($currentVolume -gt -1))
	}
	if([String]::IsNullOrEmpty($deviceType))
	{
		$device | Select-Object -Property @{Name=$localizationString.currentVolume;Expression={[string]($_.MasterVolume) + "%"}} | ConvertTo-Xml | Update-DiagReport -id CurrentVolumeLevel -name $localizationString.CurrentVolumeLevel_name -description (($localizationString.CurrentVolumeLevel_description) -f (Get-DeviceName $deviceType)) -Verbosity Informational -rid "RC_LowVolume"
	}
	if($result)
	{
		$detected = $true
		Write-DiagProgress -Activity " "
		Update-DiagRootCause -id 'RC_LowVolume' -Detected $detected -Parameter @{'DeviceType' = $deviceType; 'DeviceID' = $deviceID; 'Volume' = $currentVolume}
	}

	
}
Catch
{
	$errorMsg =  $_.Exception.Message
	$errorMsg | ConvertTo-Xml | Update-DiagReport -Id "TS_LowVolume" -Name "TS_LowVolume" -Verbosity Debug
}
finally 
{
	Unregister-AudioDiagnosticSnapIn
}

return $detected