# Manage printers

function Get-CurrentPrinterDriverVersion {
    param (
        [Parameter(Mandatory=$true)][string]$DriverName
    )
    $printer = Get-PrinterDriver -Name $DriverName
    if ( $printer -eq $false ) {
        return $false
    }
    $version = $printer.DriverVersion
    return ( 3..0 | foreach-object {( $version -shr ($_ * 16)) -band 0xffff }) -join'.'
}

Function Add-NetworkPrinterPort {
    param (
        [Parameter(Mandatory=$true)][string]$Ip,
        [Parameter(Mandatory=$true)][string]$Name
    )
    if ( $(Get-PrinterPort | Where PrinterHostAddress -eq $Ip) ) {
         Write-Host -ForegroundColor Cyan "This driver version is already installed"
    }
    else {
        Try {
            Add-PrinterPort -Name $Name -PrinterHostAddress $Ip
        }
        Catch {
            Throw $($PSItem.ToString())
        }
    }
}

function Install-PrinterDriver {
    param (
        [Parameter(Mandatory=$true)][string]$Inf,
        [Parameter(Mandatory=$true)] [string]$Name
    )

    if ( -Not (Test-Path $Inf -EA SilentlyContinue) ) {
        Throw [System.IO.FileNotFoundException]::new("Driver file $Inf not found")
    }

    if ( Get-PrinterDriver -Name $Name -EA SilentlyContinue ) {
        Write-Warning "Printer $Nam e already exist"

        # Compare version
        $current_version = Get-CurrentPrinterDriverVersion $Name
        $inf_version = $(((Select-String -Pattern "DriverVer" -path $Inf) -split ',')[1])
        if ($inf_version -eq $current_version) {
            Write-Host -ForegroundColor Cyan "This driver version is already installed"
            return
        }
    }

    Try {
        pnputil /add-driver $Inf /install | Out-Null
        Add-PrinterDriver -Name $Name -EA Stop
    }
    Catch [Microsoft.Management.Infrastructure.CimException] {
        Throw $($PSItem.ToString())
    }
    Catch {
        Throw "Error when Adding $Name from $Inf in Windows Driver Store"
    }
}

Function Add-NetworkPrinter () {
    [CmdletBinding()]
    param (
        [Parameter(Mandatory=$true)][string]$Inf,
        [Parameter(Mandatory=$true)][string]$Ip,
        [Parameter(Mandatory=$true)][string]$Driver,
        [Parameter(Mandatory=$true)][string]$PrinterName,
        [Parameter(Mandatory=$false)][string]$PortPrefix=""
    )
    $PortName = "$PortPrefix$Ip"
    Try {
        Install-PrinterDriver $Inf $Driver
        Add-NetworkPrinterPort $Ip $PortName
        Add-Printer -DriverName $Driver -Name $PrinterName -PortName $PortName -EA Stop
    }
    Catch {
        Throw "Error in Add-NetworkPrinter: $($Error[0].ToString())"
    }
}