#!/usr/bin/env bash

# NVIDIA-FCKR

if [ "$1" == 'integrated' ]; then

    # blacklist kernel modules
    echo "blacklist nouveau
blacklist nvidia
blacklist nvidia_drm
blacklist nvidia_uvm
blacklist nvidia_modeset
alias nouveau off
alias nvidia off
alias nvidia_drm off
alias nvidia_uvm off
alias nvidia_modeset off" > /etc/modprobe.d/NVIDIA-FCKR.conf

    # set udev rules
    echo 'ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x0c0330", ATTR{power/control}="auto", ATTR{remove}="1"
# Remove NVIDIA USB Type-C UCSI devices, if present
ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x0c8000", ATTR{power/control}="auto", ATTR{remove}="1"
# Remove NVIDIA Audio devices, if present
ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x040300", ATTR{power/control}="auto", ATTR{remove}="1"
# Remove NVIDIA VGA/3D controller devices
ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x03[0-9]*", ATTR{power/control}="auto", ATTR{remove}="1"' > /lib/udev/rules.d/50-NVIDIA-FCKR.rules

    # disable GPU via acpi_call on next boot
    echo -e '#!/usr/bin/env bash\necho '"'\_SB.PCI0.GPP0.PG00._OFF'"' > /proc/acpi/call' > /etc/local.d/NVIDIA-FCKR.start
    chmod +x /etc/local.d/NVIDIA-FCKR.start

    /usr/bin/reboot

elif [ "$1" == 'hybrid' ]; then
    rm -rf /etc/modprobe.d/NVIDIA-FCKR.conf /lib/udev/rules.d/50-NVIDIA-FCKR.rules /etc/local.d/NVIDIA-FCKR.start

    /usr/bin/reboot

else
    echo -e "invalid argument: $1\nusage: NVIDIA-FCKR [integrated/hybrid]"
fi