# ==========================================================
# Update Group Policy Settings Script
# ==========================================================

# Set Policy Type Here
# Possible Values:
# Computer
# User
# Both
if ($args.Count -eq 0 -or [string]::IsNullOrWhiteSpace($args[0])) {
    Write-Host "[ERROR] No PolicyType argument provided."
    Write-Host "Usage: script.ps1 <Computer|User|Both>"
    exit 1
}
$PolicyType =  $args[0]
Write-Host "========================================="
Write-Host " Updating Group Policy Settings"
Write-Host "========================================="
Write-Host ""
# Convert value to lowercase
$PolicyType = $PolicyType.ToLower()
# Execute based on variable value
if ($PolicyType -eq "computer") {
    Write-Host "Refreshing Computer Policies..."
    Write-Host ""
    $Result = gpupdate /target:computer /force
    if ($Result -match "Computer Policy update has completed successfully") {
        Write-Host "Computer Policy Status : SUCCESS"
    }
    else {
        Write-Host "Computer Policy Status : FAILED"
    }
}
elseif ($PolicyType -eq "user") {
    Write-Host "Refreshing User Policies..."
    Write-Host ""
    $Result = gpupdate /target:user /force
    if ($Result -match "User Policy update has completed successfully") {
        Write-Host "User Policy Status : SUCCESS"
    }
    else {
        Write-Host "User Policy Status : FAILED"
    }
}
elseif ($PolicyType -eq "both") {
    Write-Host "Refreshing Computer and User Policies..."
    Write-Host ""
    $Result = gpupdate /force
    if ($Result -match "Computer Policy update has completed successfully") {
        Write-Host "Computer Policy Status : SUCCESS"
    }
    else {
        Write-Host "Computer Policy Status : FAILED"
    }
}
else {
    Write-Host "Invalid PolicyType Value."
    Write-Host "Use: Computer, User, or Both"
    exit 1
}
Write-Host ""
Write-Host "========================================="
Write-Host " Group Policy Refresh Completed"
Write-Host "========================================="