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$ErrorActionPreference = "silentlycontinue"   

$logfile = "c:\windows\temp\logpowerplan.log"

function Get-ScriptDirectory {
    if (Test-Path variable:\hostinvocation)
    {$FullPath=$hostinvocation.MyCommand.Path}
    Else {
    $FullPath=(get-variable myinvocation -scope script).value.Mycommand.Definition }  
    if (Test-Path $FullPath) {
    return (Split-Path $FullPath)
    }
    Else {
    $FullPath=(Get-Location).path
    Write-Warning ("Get-ScriptDirectory: Powershell Host <" + $Host.name + "> may not be compatible with this function, the current directory <" + $FullPath + "> will be used.")
    return $FullPath
    }
}

function scheme
{param ($Plan,$action)
Set-StrictMode -Version Latest

# List des plans.
$planList = powercfg.exe -l

# Récupération du GUID
$planRegEx = "(?<PlanGUID>[A-Fa-f0-9]{8}-(?:[A-Fa-f0-9]{4}\-){3}[A-Fa-f0-9]{12})" + ("(?:\s+\({0}\))" -f $Plan)

# Si le plan apparait dans la liste...
if ( ($planList | Out-String) -match $planRegEx )
    {
        if ($action = "set")
            {$result = powercfg -s $matches["PlanGUID"] 2>&1}
        elseif ($action = "del")
            {$result = powercfg -d $matches["PlanGUID"] 2>&1}
        elseif ($action = "export")
            {$result = powercfg -EXPORT c:\windows\temp\scheme.pow $matches["PlanGUID"] 2>&1}

        if ( $LASTEXITCODE -ne 0)
            {# on execute la commande
            $result}
    }
else
    {# en cas d'erreur on log.
    Write-Error ("The requested power scheme '{0}' does not exist on this machine" -f $Plan) | out-file -FilePath $logfile -Append}
}

## sauvegarde des paramètres de mise en veille:
Write-Host "sauvegarde des paramètres de mise en veille" | out-file -FilePath $logfile -Append
scheme "Balanced" "export"
   
   
## Désactivation Mise en veille avec le scheme configosd.pow qui porte le nom PowerConfigOSD
POWERCFG -IMPORT "c:\windows\temp\configosd.pow" | out-file -FilePath $logfile -Append

scheme "PowerConfigOSD" "set"

# DESCRIPTION ###########################################################################################
#########################################################################################################
#  Script name:   OSD.ps1
#  Created on:    20/11/2012
#  Author:        Damien Cuvelier (Alsy)
#  Purpose:       Paramétrage des postes et déploiement des add-ons et applications liés au Master 7
#                 Le script interroge la valeur wmi du chassis et agit en conséquence
#                                  
#  History:     - Damien Cuvelier 20/11/2012
#                 Script Creation.
#                -
#########################################################################################################
#########################################################################################################

$ErrorActionPreference = "silentlycontinue"   

$logfile = "c:\windows\temp\logpowerplan.log"

function Get-ScriptDirectory {
    if (Test-Path variable:\hostinvocation)
    {$FullPath=$hostinvocation.MyCommand.Path}
    Else {
    $FullPath=(get-variable myinvocation -scope script).value.Mycommand.Definition }  
    if (Test-Path $FullPath) {
    return (Split-Path $FullPath)
    }
    Else {
    $FullPath=(Get-Location).path
    Write-Warning ("Get-ScriptDirectory: Powershell Host <" + $Host.name + "> may not be compatible with this function, the current directory <" + $FullPath + "> will be used.")
    return $FullPath
    }
}

function scheme
{param ($Plan,$action)
Set-StrictMode -Version Latest

# List des plans.
$planList = powercfg.exe -l

# Récupération du GUID
$planRegEx = "(?<PlanGUID>[A-Fa-f0-9]{8}-(?:[A-Fa-f0-9]{4}\-){3}[A-Fa-f0-9]{12})" + ("(?:\s+\({0}\))" -f $Plan)

# Si le plan apparait dans la liste...
if ( ($planList | Out-String) -match $planRegEx )
    {
        if ($action = "set")
            {$result = powercfg -s $matches["PlanGUID"] 2>&1}
        elseif ($action = "del")
            {$result = powercfg -d $matches["PlanGUID"] 2>&1}
        elseif ($action = "export")
            {$result = powercfg -EXPORT c:\windows\temp\scheme.pow $matches["PlanGUID"] 2>&1}

        if ( $LASTEXITCODE -ne 0)
            {# on execute la commande
            $result}
    }
else
    {# en cas d'erreur on log.
    Write-Error ("The requested power scheme '{0}' does not exist on this machine" -f $Plan) | out-file -FilePath $logfile -Append}
}
   

## définir l'emplacement du script
##################################
$ScriptPath = Get-ScriptDirectory
Set-Location $ScriptPath

## Réactivation  Mise en veille avec le scheme scheme.pow qui porte le nom Balanced
Write-Host "Réactivation Mise en veille" | out-file -FilePath $logfile -Append
POWERCFG -IMPORT c:\windows\temp\scheme.pow | out-file -FilePath $logfile -Append

scheme "Balanced" "set"
scheme "PowerConfigOSD" "del"

## Nettoyage du scheme default:
Remove-Item c:\windows\temp\scheme.pow | out-file -FilePath $logfile -Appen