function Invoke-GetPrinters {
    param($Context)

    try {
        if ($Context.Request.HttpMethod -ne 'POST') {
            $Context.Response.StatusCode = 405
            Send-Text $Context 'Use POST'
            return
        }

        if (-not (Get-Command Get-SvsPrinterProfilesFromServer -ErrorAction SilentlyContinue)) {

            Write-LogHybrid "SVSMSP cmdlets missing. Attempting Install-SVSMSP -InstallToolkit..." Warning Printers -LogToEvent

            try {
                Install-SVSMSP -InstallToolkit
                Import-Module SVSMSP -Force -ErrorAction SilentlyContinue
            }
            catch {
                Write-LogHybrid "Auto-install of SVSMSP failed: $($_.Exception.Message)" Error Printers -LogToEvent
                $Context.Response.StatusCode = 500
                Send-Text $Context "SVSMSP auto-install failed. Run 'Install SVSMSP Module' manually."
                return
            }

            if (-not (Get-Command Get-SvsPrinterProfilesFromServer -ErrorAction SilentlyContinue)) {
                Write-LogHybrid "SVSMSP installed but printer cmdlets still unavailable." Error Printers -LogToEvent
                $Context.Response.StatusCode = 500
                Send-Text $Context "SVSMSP installed but printer commands still not available. Restart SAMY."
                return
            }
        }

        $rawBody = (New-Object IO.StreamReader $Context.Request.InputStream).ReadToEnd()
        if (-not $rawBody) {
            $Context.Response.StatusCode = 400
            Send-Text $Context 'Missing request body.'
            return
        }

        try { $body = $rawBody | ConvertFrom-Json }
        catch {
            $Context.Response.StatusCode = 400
            Send-Text $Context 'Invalid JSON body.'
            return
        }

        $password = [string]$body.password
        if ($password -eq '') {
            Write-LogHybrid "Printer password is blank; relying on allowlisted IP (server-side)." Info Printers -LogToEvent
        }

        $uri = 'https://bananas.svstools.ca/getprinters'
        Write-LogHybrid "Fetching printers from $uri" Info Printers -LogToEvent

        $printers = Get-SvsPrinterProfilesFromServer -Uri $uri -Password $password
        if ($null -eq $printers) { $printers = @() }

        try { Set-SvsPrinterLocalConfig -PrinterProfiles $printers -SkipIfEmpty }
        catch { Write-LogHybrid "Set-SvsPrinterLocalConfig failed: $($_.Exception.Message)" Warning Printers -LogToEvent }

        Send-JSON $Context $printers
    }
    catch {
        Write-LogHybrid "Invoke-GetPrinters error: $($_.Exception.Message)" Error Printers -LogToEvent
        $Context.Response.StatusCode = 500
        Send-Text $Context "Internal server error fetching printers."
    }
}

function Invoke-InstallPrinters {
    param($Context)

    try {
        if ($Context.Request.HttpMethod -ne 'POST') {
            $Context.Response.StatusCode = 405
            Send-Text $Context 'Use POST'
            return
        }

        $rawBody = (New-Object IO.StreamReader $Context.Request.InputStream).ReadToEnd()
        if (-not $rawBody) {
            $Context.Response.StatusCode = 400
            Send-Text $Context 'Missing request body.'
            return
        }

        try { $body = $rawBody | ConvertFrom-Json }
        catch {
            $Context.Response.StatusCode = 400
            Send-Text $Context 'Invalid JSON body.'
            return
        }

        $printers = $body.printers
        if (-not $printers -or $printers.Count -eq 0) {
            $Context.Response.StatusCode = 400
            Send-Text $Context 'No printers specified.'
            return
        }

        Write-LogHybrid "Received request to install $($printers.Count) printers." Info Printers -LogToEvent

        $successCount = 0
        $failures     = @()

        foreach ($p in $printers) {
            $clientCode  = $p.ClientCode
            $profileName = $p.ProfileName
            $setDefault  = [bool]($p.PSObject.Properties.Name -contains 'SetAsDefault' -and $p.SetAsDefault)

            if (-not $clientCode -or -not $profileName) {
                $msg = "Skipping printer entry: ClientCode or ProfileName missing."
                Write-LogHybrid $msg Warning Printers -LogToEvent
                $failures += $msg
                continue
            }

            $summary = "ClientCode=$clientCode ProfileName=$profileName SetAsDefault=$setDefault"
            Write-LogHybrid "Installing printer ($summary)" Info Printers -LogToEvent

            try {
                Invoke-SVSPrinterInstall `
                    -ClientCode  $clientCode `
                    -ProfileName $profileName `
                    -SetAsDefault:$setDefault

                $successCount++
                Write-LogHybrid "Printer installed successfully ($summary)" Success Printers -LogToEvent
            }
            catch {
                $errMsg = "Failed to install printer ($summary): $($_.Exception.Message)"
                Write-LogHybrid $errMsg Error Printers -LogToEvent
                $failures += $errMsg
            }
        }

        Send-JSON $Context @{
            SuccessCount = $successCount
            FailureCount = $failures.Count
            Failures     = $failures
            Message      = "Printer install processed. Check SAMY logs for detail."
        }
    }
    catch {
        Write-LogHybrid "Invoke-InstallPrinters error: $($_.Exception.Message)" Error Printers -LogToEvent
        $Context.Response.StatusCode = 500
        Send-Text $Context "Internal server error installing printers."
    }
}