Write-Host "---Function Setup---"
function fSCCountTotalMemory
    { 
        Write-Host "---Check Minimum Memory Requirements (8GB)---"
        [Math]::Round ( ( Get-WmiObject -Class Win32_ComputerSystem -ComputerName localhost ) .TotalPhysicalMemory/1Mb )
        $vSCTotalSystemMemoryMB = [Math]::Round ( ( Get-WmiObject -Class Win32_ComputerSystem -ComputerName localhost ) .TotalPhysicalMemory/1Mb )
        if $vSCTotalSystemMemoryMB -lt 7000
            then
            {
                Write-Host "SC-SYS-ERR001: NOT ENOUGH SYSTEM MEMORY"
                Write-Host "This system does not have enough RAM to reliably run Sweetcade."
                Write-Host "Please upgrade system memory or replace computer to run Sweetcade."
                Write-Host "Sweetcade needs a minimum of 8GB of system RAM to run."
                Write-Host "If this error has appeared on a system with more than 8GB of RAM please open a issue on Git https://git.sdf.org/camoy/Sweetcade"
                Write-Host "This script will now terminate in 60 seconds."
                Start-Sleep -Seconds 60
                Exit 1
            }

            else
            {
                fSCOSVerification
            }
    }

function fSCOSVerification
    {
        Write-Host "---Check Windows OS Installation Version (Windows 10 Pro)---"
        (Get-WmiObject -Class Win32_OperatingSystem).Caption
        $vSCOSEdition = (Get-WmiObject -Class Win32_OperatingSystem).Caption
        if $vSCOSEdition -notlike "*Pro*"
            then
            {
                Write-Host "SC-SYS-ERR002: INCORRECT OS EDITION"
                Write-Host "This system does not have Windows 10 Pro installed."
                Write-Host "Please reinstall Windows 10 with the Pro Edition to run Sweetcade."
                Write-Host "Sweetcade is only tested on Pro editions of Windows 10 at this time."
                Write-Host "If this error has appeared on a system with a Pro edition installed please open a issue on Git https://git.sdf.org/camoy/Sweetcade"
                Write-Host "This script will now terminate in 60 seconds."
                Start-Sleep -Seconds 60
                Exit 1
            }    

            else
            {
                function fSCLicenseKeyCheck
            }
    }
            
function fSCLicenseKeyCheck
    {
        Write-Host "---Check Windows OS License Key---"
        Get-CimInstance SoftwareLicensingProduct -Filter "Name like 'Windows%'" -ComputerName RemoteComp | Where-Object { $_.PartialProductKey } | Select-Object Description, LicenseStatus
        $vSCLicensedStatus = (Get-WmiObject -Class Win32_OperatingSystem).Caption
        if $vSCLicensedStatus -ne 1
            then
            {
                Write-Host "SC-SYS-ERR003: WINDOWS NOT PERMANENTLY ACTIVATED"
                Write-Host "This system does not have a valid permanent activation license."
                Write-Host "Please activate your Windows installation in order guarantee Sweetcade reliability."
                Write-Host "You may proceed without a permanent activation license, but it is recommended."
                Write-Host "If this error has appeared on a system with a valid key installed please open a issue on Git https://git.sdf.org/camoy/Sweetcade"
                Write-Host "If you want to [A]ctivate Windows and then have this script check again, connect a keyboard and type A."
                Write-Host "If you want to [F]orcefully continue the installation without having the correct licenses, connect a keyboard and type F."
                vSCLicensedStatusUserResponse = Read-Host "A / F?"
                    if ($vSCNextHopUserResponse -contains "F")
                        {
                            Exit 0
                        }
                        
                        else {
                            function fSCLicenseKeyCheck
                        }
            }
    }