#!/usr/bin/env bash
# Remove a user from the server
# Copyright 2021 Bryan C. Roessler

[[ -f functions ]] && . functions || exit 1

is_root

[[ ! $# -eq 1 ]] && echo "Must provide a username" && exit 1

user="$1"

if ! id -u "$user"; then
    echo "User $user does not exist"
    exit 1
fi

! ask_ok "Remove user $user?" && exit $?

killall -u "$user"

if ask_ok "Backup /home/$user?" && [[ -d /home/"$user" ]]; then
    if [[ ! -d /mnt/array/home-retire/"$user" ]]; then 
        btrfs subvolume create /mnt/array/home-retired/"$user"
    fi
    rsync -av /home/"$user"/ /mnt/array/home-retired/"$user"
fi

smbpasswd -x "$user"

sed -i "/$user/d" /etc/subuid
sed -i "/$user/d" /etc/subgid

userdel -fr "$user"

exit $?