# Define the folder path, file age, and file extensions
$folderPath = "C:\ProgramData\Veeam\Backup"
$fileAge = 180
$fileExtensions = @(".log", ".zip", ".log.gz")

# Exclude the vPower NFS Folder from removal.
$excludedFolder = "C:\ProgramData\Veeam\Backup\IRCache\NfsDatastore"

# Calculate the date threshold from which files will be considered old
$dateThreshold = (Get-Date).AddDays(-$fileAge)

# Identify and remove files based on extension and age.
Get-ChildItem -Path $folderPath -Recurse | Where-Object {
    $fileExtensions -contains $_.Extension -and
    $_.LastWriteTime -lt $dateThreshold
} | ForEach-Object {
    Write-Output "Removing file: $($_.FullName)"
    Remove-Item -Path $_.FullName -Force
}

# Remove empty folders.
Get-ChildItem -Path $folderPath -Directory -Recurse | ForEach-Object {
    try {
        if ($_.FullName -ne $excludedFolder) {
            if ((Get-ChildItem -Path $_.FullName -Force).Count -eq 0) {
                Write-Output "Removing empty folder: $($_.FullName)"
                Remove-Item -Path $_.FullName -Force -Recurse
            }
        }
    } catch {
        Write-Output "Error removing folder: $($_.FullName) - $($_.Exception.Message)"
    }
}