param( [string]$RootDir = '', [string]$SizeReport = "Normal", [string]$Action = "ReportOnly")

## Create the default Trap and Error Action Preference
$ErrorActionPreference = "SilentlyContinue"
trap {
	Write-Host "Could not continue, an exception was thrown:" -ForeGroundColor "Red"
	Write-Host $_.Exception.Message -ForeGroundColor "Yellow"
	$LogBuffer.Add("$(Get-Date -Format `"yyyy-MM-dd HH:mm:ss`"); !!! ERROR EXCEPTION THROWN !!!") | Out-Null
	$LogBuffer.Add("$(Get-Date -Format `"yyyy-MM-dd HH:mm:ss`"); $($_.Exception.Message)") | Out-Null 
	continue
}

# Retrieves the filename of this script.
$ScriptName = Split-Path $MyInvocation.MyCommand.Definition -leaf

Function Show-Help
{
    Write-Host ""
    Write-Host "Script created by Mike Bijl (Login Consultants)" -ForeGroundColor "DarkGreen"
    Write-Host "Script version 2.0" -ForeGroundColor "DarkGreen"
    Write-Host ""
    Write-Host "DEPENDANCY:"
    Write-Host "	- Quest AD CmdLets from `"http://www.quest.com/powershell/activeroles-server.aspx`" " -ForeGroundColor "Green"
    Write-Host "	- This must be started from a domainmember" -ForeGroundColor "Green"
    Write-Host ""
    Write-Host "DESCRIPTION:"
    Write-Host "This script will get the subdirs of -RootDir and gets the username out of the"
    Write-Host "folder name. That username will be checked against the Active Directory."
    Write-Host "It will move the profile dir of deleted and `"longer then a month disabled`" users"
    Write-Host "to the _Deleted or _Disabled folder."
    Write-Host ""
    Write-Host "The script will log the actions or reports in a Comma Seperated Value file .\<date>-<scriptname>.csv" -ForeGroundColor "DarkGray"
    Write-Host ""
    Write-Host "EXAMPLE:"
	Write-Host ".\Clean-ProfileSharev2.ps1 -RootDir \\domain.local\profileshare$ -SizeReport Full -Action ReportOnly" -BackGroundColor "DarkGray" -ForeGroundColor "DarkBlue"
    Write-Host "	Creates only a report about your share and don't change anything." -ForeGroundColor "DarkYellow"
	Write-Host ".\Clean-ProfileSharev2.ps1 -RootDir \\domain.local\profileshare$ -Action Move" -BackGroundColor "DarkGray" -ForeGroundColor "DarkBlue"
    Write-Host "	Moves all the obsolete directories in the profile share. (You don't delete anything!!!)" -ForeGroundColor "DarkYellow"
    Write-Host ""
    Write-Host "SYNTAX:"
	Write-Host ".\Clean-ProfileSharev2.ps1 -RootDir <ProfileShare> [-SizeReport <Full|Normal|None>] [-Action <ReportOnly|MoveDeletedOnly|Move>]" -ForeGroundColor "Yellow"
    Write-Host "-RootDir <ProfileShare>" -ForeGroundColor "Yellow"
	Write-Host "This is a required argument and points to the share where the profiles are located. For example: \\domain.local\profileshare$ "
	Write-Host ""
	Write-Host "-SizeReport <Full|Normal|None>" -ForeGroundColor "Yellow"
	Write-Host "This is an optional argument that defines the way the foldersize is reported. Default = Normal"
	Write-Host "	Full:   			The size of all the subfolders of Rootdir will be reported. (Slow)"
	Write-Host "	Normal: 			Only the size of the moved or `"should be moved`" (deleted/disabled profile) folders are reported. (Somewhat Slow)"
	Write-Host "	None: 				None of the foldersizes are reported. (Fastest)"
	Write-Host ""
	Write-Host "-Action <ReportOnly|MoveDeletedOnly|Move>" -ForeGroundColor "Yellow"
	Write-Host "This is an optional argument that defines the action to be taken when a user is deleted or disabled. Default = ReportOnly"
	Write-Host "	ReportOnly:			None of the folders are moved. The log file tells which folders could be moved."
	Write-Host "	MoveDeletedOnly: 		Moves only the profile folder which foldername doesn't corresponds to a AD user account."
	Write-Host "	Move:				Moves the profile folder which foldername doesn't corresponds to a AD user account and moves the `n					folder which foldername corresponds to a AD user account that is disabled for more than a month."
	Write-Host ""
	Write-Host ""
	Exit
}
## Arrays of all arguments (and the possible values)
$arrSizeReport = "Full", "Normal", "None"
$arrAction = "ReportOnly", "MoveDeletedOnly", "Move"

If (!$RootDir) { Show-Help }
If (!($arrSizeReport -contains $SizeReport)){ Show-Help }
If (!($arrAction –contains $Action)){ Show-Help }

## This function is the actual script
Function Script
{
    ## Creates a logfile if it does not exist and creates the firstline with the header.
    $LogFile = $($ScriptName).replace("ps1","csv")
    $DateRevMin = get-date -uformat "%Y-%m-%d"
    If ( -not (Test-Path -Path ./$DateRevMin-$LogFile)){ New-Item -path . -Name ./$DateRevMin-$LogFile -Type "file" -Value "Time;Status;Username;Size;Unit;Directory;Action`n" | Out-Null}
    
    ## Removes the limit of returned items of 1000 within the Quest AD CmdLets
    Set-QADPSSnapinSettings -DefaultSizeLimit 0
    
    ## Creates the ArrayList to put the log in. This way there are less write actions in the logfile
    $LogBuffer = New-Object System.Collections.ArrayList
    
    ## Gets the Directory size. Includes also hidden en systemfolders with the specified folder.
    Function Get-DirSize($path)
    {
        $totalSize = Get-ChildItem -path $path -recurse -force -errorAction "SilentlyContinue"| Measure-Object -property length -sum
        "{0:n2}" -f  ($totalSize.sum / 1MB) + ";MegaBytes"
    }
    
    ## Gets the netbios domain name
    $domain = $($(Get-QADRootDSE).Domain).Name
    
    
    
    write-progress -id 1 -activity "Getting SubDirs from $RootDir" -status "..." -percentComplete (0);
    $DirList = Get-ChildItem $RootDir
    
    $i=0 ## A counter to count the progress of the subdirs of $RootDir
    Foreach ($Dir in $Dirlist)
    {
        ##Checks if the foldername starts with a "_". These folders will be skipped.
        If (($($Dir.Name).indexof("_")) -ne 0)
        {
            $a = $i/$($DirList.count)*100
            write-progress -id 1 -activity "Getting SubDirs from $RootDir" -status "$("{0:N0}" -f $a)% Processing $($Dir.Fullname)" -percentComplete ($a);
            $UsrName = $Dir -replace(".$domain","")  ## Removes the postfix .$domain from the profile directories
            
            ## Queries the AD for this account.
            $ADQueryResult = (Get-QADObject "$domain\$UsrName").AccountIsDisabled  
            switch ($ADQueryResult) 
            { 
                True
                {
                    ## The user is disabled.
                    If ( -not($SizeReport -eq "None")){ $DirSize = Get-DirSize("$($Dir.Fullname)") }
					ELSE { $DirSize = "N/A;MegaBytes"}
                    ## Move the directory to $RootDir\_Disabled\ ONLY IF THE ACCOUNT IS LONGER THAN A MONTH DISABLED
                    If ((Get-QADUser "$domain\$UsrName" -Disabled).ModificationDate -lt ($(Get-Date).AddMonths(-1)))
                    {
                        If ($Action -eq "Move") { $Comment = "The profiledir is moved because this account is disabled longer than a month" }
						ELSE { $Comment = "The profiledir would be moved. This user account is disabled longer than a month. But the action parameter should be Move" }
						$LogBuffer.Add("$(Get-Date -Format `"yyyy-MM-dd HH:mm:ss`");The user is disabled;$UsrName;$DirSize;$($Dir.Fullname);$Comment")|Out-Null
						If ($Action -eq "Move"){
							$Destination = "$($($Dir.Parent).FullName)\_Disabled\$($Dir.Name)"
							If ( -Not (Test-Path -Path "$($($Dir.Parent).FullName)\_Disabled")) { New-Item -Type directory -Path "$($($Dir.Parent).FullName)\_Disabled" | Out-Null}
							Move-item -Path "$($Dir.Fullname)" -Destination "$Destination" -Force
						}
                    }
                    ELSE
                    {
                        $LogBuffer.Add("$(Get-Date -Format `"yyyy-MM-dd HH:mm:ss`");The user is disabled;$UsrName;$DirSize;$($Dir.Fullname);The profiledir is NOT moved because this account is just disabled this month")|Out-Null
                    }
                }
                False 
                {
					## The user is enabled.
                    If ($SizeReport -eq "Full"){ $DirSize = Get-DirSize("$($Dir.Fullname)") }
					ELSE { $DirSize = "N/A;MegaBytes"}
                    $LogBuffer.Add("$(Get-Date -Format `"yyyy-MM-dd HH:mm:ss`");The user exists;$UsrName;$DirSize;$($Dir.Fullname);-")|Out-Null
                }
                "" 
                {
                    ## The user does not exist.
                    If ( -not($SizeReport -eq "None")){ $DirSize = Get-DirSize("$($Dir.Fullname)") }
					ELSE { $DirSize = "N/A;MegaBytes"}
					If ( -not($Action -eq "ReportOnly")) { $Comment = "The profiledir is moved" }
					ELSE { $Comment = "The profiledir should be moved when -Action is not ReportOnly" }
                    $LogBuffer.Add("$(Get-Date -Format `"yyyy-MM-dd HH:mm:ss`");The user does not exist;$UsrName;$DirSize;$($Dir.Fullname);$Comment")|Out-Null
                    ## Move the directory to $RootDir\_Deleted\ 
                    If ( -not($Action -eq "ReportOnly")){
						$Destination = "$($($Dir.Parent).FullName)\_Deleted\$($Dir.Name)"
						If ( -Not (Test-Path -Path "$($($Dir.Parent).FullName)\_Deleted")) { New-Item -Type directory -Path "$($($Dir.Parent).FullName)\_Deleted" | Out-Null}
						Move-item -Path "$($Dir.Fullname)" -Destination "$Destination" -Force
					}
                }
            }
        }
        $i += 1
        Add-Content -Path ./$DateRevMin-$LogFile -Value $LogBuffer
        If ($LogBuffer){ $LogBuffer.Clear() }  ## If the LogBuffer is not empty then clear the LogBuffer
    }
}

Script