Prestashop 1.7.8.x block invoice for customers

[Radek101]

Hello,

is there any way how to let Prestashop generate e-mails but don't allow customer to see them until the status of order is delivered?

I tried to set statuses of orders in order settings. But as soon as I uncheck - Allow a customer to download and view PDF versions of his/her invoices. I don't have possibility to download or see invoice in back office. If this is check customer have possibility to download the invoice.

As well there is some other strange behaviour. IF I uncheck fo some status - Attach invoice PDF to email. The customer will always get invoice in Order confirmation e-mail which is not included in statuses and it is generated automatically with new order.

Any advice?

Thank you
Radek