#!/bin/bash

_clean_packages() {
#   local _leave_these_packages="base\nbase-devel\n\ngrub\nefibootmgr\noctopi\nca-certificates\nmelawy-welcome\n"
#   local _leave_these_basepackages="filesystem\ngcc-libs\nglibc\nglib2\nbash\ncoreutils\nfile\nfindutils\ngawk\ngrep\nprocps-ng\nsed\ntar\ngettext\npciutils\npsmisc\nshadow\nutil-linux\nbzip2\ngzip\nxz\nlicenses\npacman\nsystemd\nsystemd-sysvcompat\niputils\niproute2\n"
#   local _packages_to_remove=($(comm -23 <(pacman -Qq | sort) <({ pacman -Qqg melawy; printf $_leave_these_packages; printf $_leave_these_basepackages; } | sort -u)))

  local _packages_to_remove=""

  _packages_to_remove+=(
    $(pacman -Qq | grep calamares)
    arch-install-scripts
    boost-libs
    ckbcomp
    clonezilla
    cmake
    doxygen
    edk2-shell
    expect
    extra-cmake-modules
    gpart
    grsync
    hdparm
    memtest86+
    mkinitcpio
    mkinitcpio-archiso
    mkinitcpio-busybox
    qemu-arm-aarch64-static-bin
    rate-mirrors
    squashfs-tools
    syslinux
    tcpdump
    yaml-cpp
  )

  local _check_nvidia_card="$(chwd --is_nvidia_card | grep -q 'NVIDIA card found!'; echo $?)"
  if [[ "${_check_nvidia_card}" -ne 0 ]]; then
    echo "No NVIDIA card detected. Removing nvidia drivers"
    _packages_to_remove+=(nvidia-dkms nvidia-utils nvidia-settings egl-wayland)
  fi

  local xx
  # @ does one by one to avoid errors in the entire process
  # taken from Erik Dubois script
  for xx in "${_packages_to_remove[@]}"; do pacman -Rsnc "$xx" --noconfirm; done
}

_pacman_fix() {
  pacman-key --init
  pacman-key --populate
}

_remove_pacman_package() {
  local _pkgname="$1"
  pacman -Rsnc "$_pkgname" --noconfirm || true
}

# remove pkgs installed for VMs
_clean_vm_packages() {

  #remove virtualbox
  if pacman -Qi virtualbox-guest-utils &> /dev/null; then
    systemctl disable vboxservice.service
    _remove_pacman_package virtualbox-guest-utils
  fi

  if pacman -Qi virtualbox-guest-utils-nox &> /dev/null; then
    systemctl disable vboxservice.service
    _remove_pacman_package virtualbox-guest-utils-nox
  fi

  #remove vmware
  if [ -f /etc/xdg/autostart/vmware-user.desktop ]; then
    rm /etc/xdg/autostart/vmware-user.desktop
  fi

  if pacman -Qi open-vm-tools &> /dev/null; then
    systemctl disable vmtoolsd.service
    _remove_pacman_package open-vm-tools
  fi

  if [ -f /etc/systemd/system/multi-user.target.wants/vmtoolsd.service ]; then
    rm /etc/systemd/system/multi-user.target.wants/vmtoolsd.service
  fi

  #remove qemu
  if pacman -Qi qemu-guest-agent &> /dev/null; then
    systemctl disable qemu-guest-agent.service
    _remove_pacman_package qemu-guest-agent
  fi
}

_check_not_running_vm="$(systemd-detect-virt | grep -q 'none'; echo $?)"
if [[ "${_check_not_running_vm}" -eq 0 ]]; then
  _clean_vm_packages
fi


_clean_packages
_pacman_fix