function Get-PCBatchInvoke {
    [CmdletBinding()]
    param (
        [Parameter()]
        [string[]]
        $Computers
    )
    $SparkEnabled = Get-SparkEnabled
    if ($SparkEnabled) { Connect-ISM }
#Region Script Block
    $sblock = {
        Write-Progress -Activity "Retrieving data from online computers" -Status $Env:COMPUTERNAME -PercentComplete 10
        try {$win32_networkadapterconfiguration = Get-CimInstance -Class win32_networkadapterconfiguration} catch {$win32_networkadapterconfiguration = $null} #| MAC Address,
        try {$win32_LogicalDisk = Get-CimInstance -ClassName Win32_LogicalDisk -Filter "DriveType=3" } catch {$win32_LogicalDisk = $null} #| Diskspace,
        try {$win32_SystemEnclosure = Get-CimInstance -ClassName Win32_SystemEnclosure} catch {$win32_SystemEnclosure = $null}  #| Asset Tag
        Write-Progress -Activity "Retrieving data from online computers" -Status $Env:COMPUTERNAME -PercentComplete 20
        try {$bitlocker = manage-bde -status C:} catch {$bitlocker = $null} # | Bitlocker Status
        try {$PCInfo = get-computerinfo} catch {$PCInfo = $null}
        Write-Progress -Activity "Retrieving data from online computers" -Status $Env:COMPUTERNAME -PercentComplete 30
        try {$physicalDisk = Get-PhysicalDisk} catch {$physicalDisk = $null} # | Disk Type
        try {$win32_printer = (Get-CimInstance -ClassName win32_printer | Where-Object {$_.PortName -ne 'PORTPROMPT:' -and $_.PortName -ne 'nul:' -and $_.PortName -ne 'SHRFAX:'} | Select-Object -ExpandProperty Name) -join ' || ' }
            catch{ $win32_printer = $null} # | Printers
        try {$imprivataRegEntry = Get-ItemProperty -Path Registry::HKEY_LOCAL_MACHINE\SOFTWARE\SSOProvider\ISXAgent} catch {$imprivataRegEntry = $null}
        Write-Progress -Activity "Retrieving data from online computers" -Status $Env:COMPUTERNAME -PercentComplete 40
        try {$kioskRegEntry = Get-ItemProperty -Path Registry::HKEY_LOCAL_MACHINE\SOFTWARE\SHSCustom} catch {$kioskRegEntry = $null}
        try {$win32_tpm = Get-CimInstance -Namespace root\cimv2\security\microsofttpm -Class win32_tpm} catch{$win32_tpm = $null} # | TPM

        $gpoPath = "Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\FVE\MDOPBitLockerManagement"
        $gpoValue = Get-ItemPropertyValue -Path $gpoPath -Name "KeyRecoveryServiceEndPoint"

        Switch($GpoValue -eq "https://shsmbam1.int.samhealth.net/MBAMRecoveryAndHardwareService/CoreService.svc")
        {
            $true {$gpoStatus = "GPO Applied"}
            $false {$gpoStatus = "GPO Not Applied (Check if system is member of group MBAM_Default on ADUC"}
            Default {$gpoStatus = "Error...GPOTEST Line PCRemote Line 276"}
        }
            
            
        Write-Progress -Activity "Retrieving data from online computers" -Status $Env:COMPUTERNAME -PercentComplete 50
        $CitrixViewer = "C:\Program Files (X86)\Citrix\ICA Client\CDViewer.exe"
        #$LastUser = Get-ChildItem -Path C:\Users -Directory -Force -Exclude Public,Default,'Default User','All Users' | Sort-Object -Property LastWriteTime -Descending | Select-Object -First 3 # | Last Users
        try {$CPU = (Get-CimInstance -ClassName Win32_processor ).Name } catch {$CPU = $null}


        #MAC Address
        $MAC = ($win32_networkadapterconfiguration | Where-Object {$_.IpEnabled -Match "True"} | Select-Object -Expand macaddress) -join ","

        #IP
        $ip = ($win32_networkadapterconfiguration | Where-Object {$_.IpEnabled -Match "True"} | Select-Object -Expand IPAddress)
        if($ip -is [array]){
            $ip = $ip[0]
        }

        #Adapter
        $adapter = ($win32_networkadapterconfiguration | Where-Object {$_.IpEnabled -Match "True"} | Select-Object -Expand Description)
        <#
        if($adapter -is [array]){
            $adapter = $adapter[0]
        }
        #>

        #UserName
        $Username = $PCInfo.CSUserName
            if($null -eq $Username){

                $Username = (Invoke-Command -SessionOption (New-PSSessionOption -NoMachineProfile)  -ScriptBlock {Get-Process Explorer -IncludeUsername  | Where-Object { $_.Username -notlike "*SYSTEM" }} ).Username
                
                if($null -ne $Username){
                    $Username = "$Username (RDP/Inactive)"
                }
                else{
                    $Username = '**None**'
                }
            }
            
        #Collecting most recent users from the registry
        $lastuser = @()
        $profiles = Get-CimInstance -Class Win32_UserProfile
        $profiles | Where-Object {$_.SID.length -gt 10} | Foreach-Object {
    
        $sid = $_.SID
        $prop = Get-ItemProperty "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList\$sid\"

        if($prop.LocalProfileUnLoadTimeHigh -and $prop.LocalProfileUnLoadTimeLow){
            $a = '{0:x}' -f $prop.LocalProfileUnLoadTimeHigh
            $b = '{0:x}' -f $prop.LocalProfileUnLoadTimeLow
            $dec = [bigint]::Parse("$a$b",'AllowHexSpecifier')
            $time = w32tm /ntte $dec
            $lastTime = [datetime]($time -split ' - ')[1]
            }
            else{
                $lastTime = "Unknown"
            }
        
            $obj = [PSCustomObject]@{
                Name = ($_.LocalPath -split 'C:\\Users\\')[1]
                LocalPath = $_.LocalPath
                LastLoginTime = $lastTime
            }
            $lastuser += $obj
        }

        $lastuser = $lastuser | Where-Object LastLoginTime -ne 'Unknown' | Sort-Object LastLoginTime -Descending
        #Last User
        if($lastUser.Count -gt 1){

            $lastUser1 = ($lastUser[0].Name + " (" + $lastUser[0].LastLoginTime + ")")
            $lastUser2 = ($lastUser[1].Name + " (" + $lastUser[1].LastLoginTime + ")") 
            $lastUser3 = ($lastUser[2].Name + " (" + $lastUser[2].LastLoginTime + ")")
            
            $TotalLastUsers = "$lastUser1 $lastUser2 $lastUser3"
            
        }else{

            $TotalLastUsers = $lastUser.Name + " (" + $lastUser.LastLoginTime + ")"
        } 
        #ComputerModel
        $Model = $PCInfo.CsModel

        #RAM
        $totalram = $PCInfo.CsTotalPhysicalMemory
        $totalram = [math]::Round(($totalram / 1GB))
        $ram = "$totalram GB"

        #Drive Type
        $DriveType = $physicalDisk.MediaType
        Write-Progress -Activity "Retrieving data from online computers" -Status $Env:COMPUTERNAME -PercentComplete 60
        #Free Harddrive Space
        $CompFreeSpace = @([math]::Round($win32_LogicalDisk.FreeSpace / 1gb,2),[math]::Round($win32_LogicalDisk.Size / 1gb,2))
        $free = $compFreeSpace[0]
        $max = $compfreeSpace[1]
        $freespace = "$free GB / $max GB"


        #Service Tag
        #$serviceTag = $win32_bios.SerialNumber
        $serviceTag = $PCInfo.BiosSeralNumber
        #BIOS
        #$biosVersion = $win32_bios.SMBIOSBIOSVersion
        $biosVersion = $PCInfo.BiosName

        #Last Reboot
        $lastbootTime = $PCInfo.OsLastBootUpTime

        #Asset Tag
        $assetTag = $win32_SystemEnclosure.SMBiosAssetTag

        #Bitlocker Status
        $PercentageEncrypted = (($bitlocker | Select-String "Percentage Encrypted") -split ': ')[1]
        [int]$IntPercentageEncrypted = $PercentageEncrypted.Substring(0,4)
        $EncryptionStatus = $null
        If($bitlocker -like '*error*')
        {
            $EncryptionStatus = 'BitLocker - Error - Please investigate'
        }
        Elseif($IntPercentageEncrypted -eq 100)
        {
            $EncryptionStatus = "BitLocker - Encrypted ($PercentageEncrypted)"       
        }
        ElseIf($IntPercentageEncrypted -gt 1)
        {
            $EncryptionStatus = "BitLocker - Encrypting ($PercentageEncrypted)"
        }
        Else
        {
            $EncryptionStatus = "BitLocker - Decrypted ($PercentageEncrypted)"
        }

        #OS
        $os = $PCInfo.OSName + " (" + $PCInfo.OSArchitecture + ")"

        #OS Build
        $osVer = $PCInfo.WindowsVersion
        if($osVer -gt 2004){
            $osVer = (Get-ItemProperty -Path "Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion").DisplayVersion
        }
        $osBuild = $PCInfo.OSBuildNumber
        $osBuild = "Vers $osVer | Build #$osBuild"
        Write-Progress -Activity "Retrieving data from online computers" -Status $Env:COMPUTERNAME -PercentComplete 70
        #Printers
        $printers = $win32_printer# ($win32_printer | Where-Object {$_.PortName -ne 'PORTPROMPT:' -and $_.PortName -ne 'nul:' -and $_.PortName -ne 'SHRFAX:'} | Select-Object -ExpandProperty Name) -join ' || '
        if(!$printers){
            $printers = "No Local/Networked Printer (Check Printer Mappings)"
        }

        #Imprivata
        $ImprivataType = $imprivataRegEntry | Select-Object -ExpandProperty Type
        if(!$imprivataType){
            $ImprivataType = "Not Installed"
        }
        else{
            Switch($ImprivataType){
                1 {
                    $ImprivataType = $imprivataRegEntry | Select-Object -ExpandProperty FUS_Enabled
                    Switch($ImprivataType){
                        0 {$ImprivataType = "SUD"}
                        1 {$ImprivataType = "MUD"}
                    }
                }
                2 {$ImprivataType = "Kiosk"}
                Default {$ImprivataType = "Not Installed"}
            }
        }   
        $kioskRole = try {$kioskRegEntry | Select-Object -ExpandProperty KioskRole} catch{ $null }
        if (!$kioskRole) { $kioskRole = "None"}

        #TPM
        if($win32_tpm){
            $tpmVersion = " | Vers " + $win32_tpm.ManufacturerVersionFull20 
            $tpmStatus = "On"
            if($win32_tpm.IsActivated_InitialValue){
                $tpmStatus += ", Activated"
            }
            else{
                $tpmStatus += ", Not Activated"
            }
            if($win32_tpm.IsEnabled_InitialValue){
                $tpmStatus += ", Enabled"
            }
            else {
                $tpmStatus += ", Disabled"
            }
            if($win32_tpm.IsOwned_InitialValue){
                $tpmStatus += ", Owned"
            }
            else{
                $tpmStatus += ", Not Owned"
            }
            $tpmStatus += $tpmVersion
        }
        else {
            $tpmStatus = "Off"
        }

        Write-Progress -Activity "Retrieving data from online computers" -Status $Env:COMPUTERNAME -PercentComplete 80
        #Citrix Version
        if( !(Test-path $CitrixViewer)){
                
            $CitrixVersion = "Not Installed"
        }
        else{
            #Checks this default install path
            $CitrixVersion = Get-Command $citrixViewer  | select-object -ExpandProperty Version #Grabs Citrix version number
        }

        #Chassis Type

        Switch -Wildcard($Model) {
            "Optiplex*" {
                Switch -Wildcard($CPU)
                {
                    "Intel(R) Core(TM) i5-9500 CPU*" {$chassisType = "SFF"} #5070

                    "Intel(R) Core(TM) i5-6500 CPU*" {$chassisType = "SFF"} #7040

                    "Intel(R) Core(TM) i5-6500T*" {$chassisType = "Micro"} #7040

                    "Intel(R) Core(TM) i7-6700 CPU*" {$chassisType = "SFF"} #7040

                    "Intel(R) Core(TM) i7-6700T*" {$chassisType = "Micro"} #7040

                    "Intel(R) Core(TM) i5-10500T*" {$chassisType = "Micro"} #5080

                    "Intel(R) Core(TM) i5-9500T*" {$chassisType = "Micro"} #5070

                    "Intel(R) Core(TM) i5-8500 CPU*" {$chassisType = "SFF"} #5060

                    "Intel(R) Core(TM) i5-8500T*" {$chassisType = "Micro"} #5060

                    "Intel(R) Core(TM) i5-7500*" {$chassisType = "SFF"} #5050

                    "Intel(R) Core(TM) i5-4670 CPU*" {$chassisType = "SFF"} #9020

                    "Intel(R) Core(TM) i5-4590 CPU*" {$chassisType = "SFF"} #9020

                    "Intel(R) Core(TM) i5-4590T CPU*" {$chassisType = "Micro"} #9020M
                    
                    "Intel(R) Core(TM) i5-4690 CPU*" {$chassisType = "SFF"} #9020

                    "Intel(R) Core(TM) i5-3550 CPU*" {$chassisType = "SFF"} #9010

                    "Intel(R) Core(TM) i5-2400 CPU*" {$chassisType = "SFF"} #990

                    Default {$chassisType = "Optiplex - Chassis Type - Unknown"}
                }

            }

            "Latitude*" { 
                $chassisType = "Laptop"
            }
            "Precision*"{
                $chassisType = "Laptop"
            }
            "M24*" {
                $chassisType = "Anesthesia Cart"
            }
            "Medix*"{
                $chassisType = "Anesthesia Cart"
            }

        Default {$chassisType = "Unknown Model/Chassis"}
        }

        if (${using:SparkEnabled}) {
            $uri = "${using:SparkURL}/api/odata/businessobject/CIs`?`$filter=Name+eq+%27$($Env:COMPUTERNAME)%27"
            try{
                $Query = Invoke-RestMethod -Method GET -uri $uri -headers ${using:SparkHeaders}
            } catch {
                $ExceptionErrors += $_.Exception.Message
            }
            $cmdbData = $Query.Value

            if ($cmdbData.SHS_IsException -eq 'True') {
                Write-host "***NOTICE: $($Env:COMPUTERNAME) is a Device Exception computer. Please check CMDB/Asset Mgmt prior to supporting this workstation.  ***" -BackgroundColor Black -ForegroundColor Yellow
                if($cmdb.SHS_IsVendorPC -eq 'True'){
                    $vendor = "Yes | Non-standard SHS Image/Hardware"
                }
                else{
                    $vendor = "No | Standard SHS Hardware"
                }
                
                $delInfo = [PSCustomObject]@{
                    Contact = $cmdbData.SHS_ExceptionContact
                    Vendor = $vendor
                    Description = $cmdbData.AssignedDescription
                }
            }

            $locationData = $cmdbData.SHS_Floor + ' - ' + $cmdbData.SHS_Department + ' - ' + $cmdbData.SHS_LocationDetails
        }

                
        Write-Progress -Activity "Retrieving data from online computers" -Status $Env:COMPUTERNAME -PercentComplete 90
        #Output
    # $i++ | ProgressBar $i $comp 'Generating Output' $NumberofComputers $PCID
        $obj = New-Object -TypeName PSObject 

        $obj | Add-Member -MemberType NoteProperty -Name 'Hostname' -Value $Env:COMPUTERNAME
        $obj | Add-Member -MemberType NoteProperty -Name 'Status' -Value "Online"
        $obj | Add-Member -MemberType NoteProperty -Name 'Current User' -Value "$userName"
        $obj | Add-Member -MemberType NoteProperty -Name 'Last User(s)' -Value "$TotalLastUsers" 
        $obj | Add-Member -MemberType NoteProperty -Name 'IP | MAC' -Value "$ip | $mac" 
        $obj | Add-Member -MemberType NoteProperty -Name 'Adapter' -Value "$adapter" 
        $obj | Add-Member -MemberType NoteProperty -Name 'Model' -Value "$Model ($chassisType)"
        $obj | Add-Member -MemberType NoteProperty -Name 'OS' -Value $os
        $obj | Add-Member -MemberType NoteProperty -Name 'OS Build' -Value $osBuild
        $obj | Add-Member -MemberType NoteProperty -Name 'BIOS Ver' -Value "$biosVersion"
        $obj | Add-Member -MemberType NoteProperty -Name 'Encryption' -Value "$EncryptionStatus"
        $obj | Add-Member -MemberType NoteProperty -Name 'Free Space' -Value "$freespace | $driveType" 
        $obj | Add-Member -MemberType NoteProperty -Name 'RAM' -Value "$ram"
        $obj | Add-Member -MemberType NoteProperty -Name 'SSO Client' -Value "$imprivataType"
        $obj | Add-Member -MemberType NoteProperty -Name 'Kiosk Role' -Value "$kioskRole"
        $obj | Add-Member -MemberType NoteProperty -Name 'Citrix Ver' -Value "$citrixVersion"
        $obj | Add-Member -MemberType NoteProperty -Name 'Asset Tag' -Value "$assetTag"
        $obj | Add-Member -MemberType NoteProperty -Name 'Service Tag' -Value "$serviceTag"
        $obj | Add-Member -MemberType NoteProperty -Name 'Last Reboot' -Value "$lastbootTime"
        $obj | Add-Member -MemberType NoteProperty -Name 'TPM Status' -Value "$tpmStatus"
        $obj | Add-Member -MemberType NoteProperty -Name 'MBAM GPO' -Value "$gpostatus"
        $obj | Add-Member -MemberType NoteProperty -Name 'Printers' -Value "$printers"                  
        if (${using:SparkEnabled}) {
            $obj | Add-Member -MemberType NoteProperty -Name 'CMDB Location' -Value "$locationData"                  
        }
        if ($delInfo) {
            $obj | Add-Member -MemberType NoteProperty -Name 'DEL Owner' -Value $delInfo.Contact
            $obj | Add-Member -MemberType NoteProperty -Name 'DEL Vendor PC' -Value $delInfo.Vendor
            $obj | Add-Member -MemberType NoteProperty -Name 'DEL Description' -Value $delInfo.Description
        }
        
        return $obj
    }
#endregion
    $OnlineComputers = @()
    $OfflineComputers = @()
    $output = @()
    $itemIndex = 0
    foreach($comp in $Computers){
        $itemIndex++
        BatchInvokesProgressBar -item $comp -currentItemIndex $itemIndex -TotalItems $Computers.Count -stage 1
        $Connection = Test-Connection -ComputerName $comp -Count 1
        if($Connection){
            $OnlineComputers += $comp
        }
        else{
            $OfflineComputers += $comp
        }
    }
    BatchInvokesProgressBar -stage 2
    $invokeJob = Invoke-Command -ScriptBlock $sblock -ComputerName $OnlineComputers -SessionOption (New-PSSessionOption -NoMachineProfile -OpenTimeout 45000) -AsJob
    BatchInvokesProgressBar -stage 3
    $offlineJobs = @()
    if($OfflineComputers.count -gt 0){
        foreach($computer in $OfflineComputers){
            $offlineJobs += Start-Job -ScriptBlock ${function:Get-SCCMQueryBlock} -ArgumentList $computer
        }
    }
    BatchInvokesProgressBar -stage 4
    $output += $invokeJob | Receive-Job -Wait -AutoRemoveJob | Select-Object * -ExcludeProperty RunspaceId, PSComputerName, PSShowComputerName, PSSourceJobInstanceId
    $output += $offlineJobs | Receive-Job -Wait -AutoRemoveJob | Select-Object * -ExcludeProperty RunspaceId, PSComputerName, PSShowComputerName, PSSourceJobInstanceId
    $itemIndex = 0
    $contactedhosts = $output.Hostname
    BatchInvokesProgressBar -stage 5
    $missedhosts = $OnlineComputers | Where-Object -FilterScript {$_ -notin $contactedhosts}
    $missedJobs = @()
    if($missedhosts.count -gt 0){
        foreach($computer in $missedhosts){
            $missedJobs += Start-Job -ScriptBlock ${function:Get-SCCMQueryBlock} -ArgumentList $computer
        }
    }
    $output += $missedJobs | Receive-Job -Wait -AutoRemoveJob | Select-Object * -ExcludeProperty RunspaceId, PSComputerName, PSShowComputerName, PSSourceJobInstanceId
    
    return $output

}

Function Get-CMDBLocation {
    [CmdletBinding()]
    param (
        [Parameter()]
        $cmdb
    )

    if($null -eq $cmdb){
        $location = "*CMDB Mismatch - check CMDB*"
        return $location
    }
        
    if($cmdb.values._SHSCalcLocationString.length -gt $cmdb.values._SHSLocation3.length){
        
        $location = $cmdb.values._SHSCalcLocationString
    }
    else{
        $location = $cmdb.values._SHSLocation3
    }
    if($null -eq $location -or '' -eq $location){
        $location = "*No location data - Please update CMDB*"
    }

    return $location
}

function BatchInvokesProgressBar {
    param (
        $item,
        $currentItemIndex,
        $TotalItems,
        $stage
    )
    switch ($stage) {
        1 { Write-Progress -Activity "Connecting to computers" -Status "$item ($currentItemIndex/$TotalItems)" -PercentComplete (($currentItemIndex/$TotalItems) * 100)}
        2 { Write-Progress -Activity "Spinning up jobs" -PercentComplete ((20/100) * 100)}
        3 { Write-Progress -Activity "Querying SCCM for offline computers"  -PercentComplete ((30/100) * 100)}
        4 { Write-Progress -Activity "Awaiting Jobs" -PercentComplete ((60/100)*100)}
        5 { Write-Progress -Activity "Querying SCCM for missed computers"  -PercentComplete ((75/100) * 100)}
        Default {}
    }

}