<#

$ErrorActionPreference = "Ignore"
$WSUSGroup = Read-Host "Enter Target Group Name"
$servers = Get-WsusComputer -ComputerTargetGroups "$WSUSGroup" -IncludeSubgroups|select Fulldomainname -ExpandProperty Fulldomainname
Foreach ($server in $servers) {Install-WindowsUpdate -ComputerName $server -AsJob}

#Function Restart {# Force Reboot of Group (when auto failed) un-rem and run line below.
#Foreach ($server in $servers) {Restart-Computer -ComputerName $server -Force}}

#Write-Host "Type Restart and press enter to reboot the $WSUSGroup WSUS Computer Group"
Read-Host -Prompt "Press Enter to exit" 
#>

#################################################################################################################################
#$ErrorActionPreference = "Ignore"

#$servers = "W2012A","W2012B","slfkjsdl"
#$WSUSGroup = "Test GGroupppppp"
#################################################################################################################################
If(Test-Path E:\WSUS_Scripts\Lock_Script.txt) { 
    Write-Host "The Script is locked for protection. If you are not running it by mistake - Delete the file (E:\WSUS_Scripts\Lock_Script.txt) and run the Script again" -ForegroundColor Yellow
    Break
}
Else { New-Item -Path E:\WSUS_Scripts -Name Lock_Script.txt -ItemType File }
#################################################################################################################################

Get-Job | Remove-Job

$Location = Split-Path $MyInvocation.MyCommand.Path -Parent  
############################################################
#$WSUSGroup = gc H:\Scripts\Patching\_Group-Config-File\Config-WSUS-Group.txt
$Current_Month = (Get-Date -UFormat %B)

############################################################
$Dte = Get-Date -UFormat %m-%d-%Y
$Collect_Jobs = @()
$Patch_Job = @()
$Failed_Jobs = @()
$Receive_Jobs = @()

If(!(Test-Path E:\WSUS_Scripts\Patching-Day\$WSUSGroup-$Current_Month-Patching)) { New-Item -Path "E:\WSUS_Scripts\Patching-Day" -ItemType Directory -Name $WSUSGroup-$Current_Month-Patching }

$servers = ""
$WSUSGroup = Read-Host "Enter Target Group Name"

#$servers = Get-WsusComputer -ComputerTargetGroups "$WSUSGroup" -IncludeSubgroups|select -ExpandProperty Fulldomainname
$Group_Folder = "$WSUSGroup-$Current_Month-Patching"

#$Servers_Reboot_Only = Import-Csv E:\WSUS_Scripts\Patching-Day\$Group_Folder\CCXQ1-November-Prep-Files\Manual-$WSUSGroup-OperatingSystems-$Current_Month.csv
$servers = Import-Csv E:\WSUS_Scripts\Patching-Day\$Group_Folder\$WSUSGroup-Target-Group-Computers-$Current_Month.csv | select -ExpandProperty FullDomainName

$servers = $servers | ? { $_ -notin $Servers_Reboot_Only.FullDomainName }

#$Failed_Ping_Test = gc $Location\Files\$WSUSGroup-Ping-Failed-$Current_Month.txt
#$servers = $servers | ? { $_ -notin $Failed_Ping_Test }

$servers | Out-File $Location\Patching-Day\$Group_Folder\$WSUSGroup-Patching-Today-$Dte.txt
$servers | Out-File E:\WSUS_Scripts\Patching-Day\$Group_Folder\$WSUSGroup-Patching-Today-Backup-$Dte.txt

Foreach ($server in $servers) {     
    
     New-EventLog -LogName Application -Source "Patching-Started" -ErrorAction SilentlyContinue -ComputerName $server -verbose
     New-EventLog -LogName Application -Source "Patching-Finished" -ErrorAction SilentlyContinue -ComputerName $server -verbose
     New-EventLog -LogName System -Source "Reboot-After-Patching" -ErrorAction SilentlyContinue -ComputerName $server -verbose
     Write-EventLog -LogName Application -Source "Patching-Started" -EntryType Information -EventId 7890 -Message "Server Patching Started with Powershell - Remote" -ComputerName $server -ErrorAction SilentlyContinue -verbose

    $Patch_Job += Start-Job -ScriptBlock { Param($server) WindowsUpdate\Install-WindowsUpdate -ComputerName $server } -Name "$WSUSGroup-#$server#-Patching" -ArgumentList $server
   
    Invoke-Command $server -ErrorAction SilentlyContinue { 
        New-EventLog -LogName Application -Source "Patching-Started" -ErrorAction SilentlyContinue -verbose
        New-EventLog -LogName Application -Source "Patching-Finished" -ErrorAction SilentlyContinue -verbose
        New-EventLog -LogName System -Source "Reboot-After-Patching" -ErrorAction SilentlyContinue -verbose
        Write-EventLog -LogName Application -Source "Patching-Started" -EntryType Information -EventId 7890 -Message "Server Patching Started with Powershell - Invoke" -verbose
    }#endInvoke  
  
}#endForeach

#Get-Job

$Patch_Job | Export-Csv $Location\Patching-Day\$Group_Folder\$WSUSGroup-Patching-Jobs-$Dte.csv -NoTypeInformation
$Patch_Job | Export-Csv E:\WSUS_Scripts\Patching-Day\$Group_Folder\$WSUSGroup-Patching-Jobs-Backup-$Dte.csv -NoTypeInformation

$Collect_Jobs = Get-Job | Export-Csv $Location\Patching-Day\$Group_Folder\$WSUSGroup-Collect-Patching-Jobs-$Dte.csv -NoTypeInformation
$Collect_Jobs = Get-Job | Export-Csv E:\WSUS_Scripts\Patching-Day\$Group_Folder\$WSUSGroup-Collect-Patching-Jobs-Backup-$Dte.csv -NoTypeInformation

$Patch_Job | Select @{n="Server";e={$_.Name.Split('-')[0]}},@{n="MainJobID";e={$_.ID}},@{n="MainJobName";e={$_.Name}},@{n="ChildJobID";e={$_.Childjobs.ID}},@{n="ChildJobState";e={$_.Childjobs.State}},PSBeginTime,PSEndTime,Command | Export-Csv $Location\Patching-Day\$Group_Folder\$WSUSGroup-Jobs-ChildJobs-$Dte.csv -NoTypeInformation
$Patch_Job | Select @{n="Server";e={$_.Name.Split('-')[0]}},@{n="MainJobID";e={$_.ID}},@{n="MainJobName";e={$_.Name}},@{n="ChildJobID";e={$_.Childjobs.ID}},@{n="ChildJobState";e={$_.Childjobs.State}},PSBeginTime,PSEndTime,Command | Export-Csv E:\WSUS_Scripts\Patching-Day\$Group_Folder\$WSUSGroup-Jobs-ChildJobs-Backup-$Dte.csv -NoTypeInformation
    

<# 

$Failed_Jobs += $Patch_Job | ? { $_.State -eq "Failed" }

$Failed_Jobs | ft -autosize

$Failed_Jobs | Export-Csv "E:\WSUS_Scripts\Patching-Day\NCRA - Quality Assurance Servers-November-Patching\failed-jobs.csv" -NoTypeInformation

#>
   

### Running Count
##  ( $Patch_Job | ? { $_.State -eq "Running" } ).count

## ( $Patch_Job | ? { $_.State -eq "Completed" } ).count

## ( $Patch_Job | ? { $_.State -eq "Failed" } ).count