$root = $PSCommandPath | Split-Path -Parent
. $root\config.ps1

$table = (Invoke-RestMethod -Method Get -Uri "$server/get/computers")  # Get all computers
$DNSPrefix = (get-DnsClientGlobalSetting).SuffixSearchList[0] # Get DNS Prefix, needed to search computers in some environments


$array = @()

function getPrograms($computername) {


    #Define the variable to hold the location of Currently Installed Programs

    $UninstallKey="SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall" 

    #Create an instance of the Registry Object and open the HKLM base key

    $reg=[microsoft.win32.registrykey]::OpenRemoteBaseKey('LocalMachine',$computername) 

    #Drill down into the Uninstall key using the OpenSubKey Method

    $regkey=$reg.OpenSubKey($UninstallKey) 

    #Retrieve an array of string that contain all the subkey names

    $subkeys=$regkey.GetSubKeyNames() 

    #Open each Subkey and use GetValue Method to return the required values for each

    $allprogs = @()

    foreach($key in $subkeys){

        $thisKey=$UninstallKey+"\\"+$key 

        $thisSubKey=$reg.OpenSubKey($thisKey) 

        $obj = New-Object PSObject

        $obj | Add-Member -MemberType NoteProperty -Name "ComputerName" -Value $computername

        $obj | Add-Member -MemberType NoteProperty -Name "DisplayName" -Value $($thisSubKey.GetValue("DisplayName"))

        $obj | Add-Member -MemberType NoteProperty -Name "DisplayVersion" -Value $($thisSubKey.GetValue("DisplayVersion"))

        $obj | Add-Member -MemberType NoteProperty -Name "InstallLocation" -Value $($thisSubKey.GetValue("InstallLocation"))

        $obj | Add-Member -MemberType NoteProperty -Name "Publisher" -Value $($thisSubKey.GetValue("Publisher"))


        $allprogs += $obj

    } 

    return $allprogs
}


foreach ($comp in $table){
    $name = -join($comp.Name,".",$DNSPrefix);
    if (Test-Connection -ComputerName $name -Quiet){
        Write-Output $name
        $array += getPrograms($name)
    }else{
        Write-Output "$name  Offline"
    }
    
}

#$array | Where-Object { $_.DisplayName } | select ComputerName, DisplayName, DisplayVersion, Publisher | ft -auto
 
$array | Where-Object { $_.DisplayName } | select ComputerName, DisplayName, DisplayVersion | export-csv "$PSScriptRoot\..\Reports\software.csv" -NoTypeInformation -Delimiter ";" -Encoding ASCII
Write-Host "Guardado en ..\Reports\software.csv"
#$content = [System.IO.File]::ReadAllText("$PSScriptRoot\Reports\software.csv").Replace("A","")
#[System.IO.File]::WriteAllText("$PSScriptRoot\Reports\software.csv", $content)