Bash script for unattended Windows installation

Create a bash script which automatically downloads windows.iso file, removes Ubuntu and installs Windows on HDD. In order to be able to perform this action on a remote computer, no USB can be used. Suggested solution is available on:
https://askubuntu.com/questions/1284364/installing-windows-10-without-usb-with-ubuntu-18-04-this-is-not-a-bootable-disk
https://unix.stackexchange.com/questions/226872/how-to-shrink-root-filesystem-without-booting-a-livecd