function _incus_container {
    incus list --format csv --columns n
}

function _active_users {
    echo root
    miaou-exec "$container" -- awk -F: '$3 >= 1000 && $7 !~ /nologin|false/ {print $1}' /etc/passwd
}

function _miaou_login {
    local cur="${COMP_WORDS[COMP_CWORD]}"
    local prev="${COMP_WORDS[COMP_CWORD - 1]}"
    local container="${COMP_WORDS[1]}"

    case $COMP_CWORD in
        1)
            # first argument — containers
            COMPREPLY=($(compgen -W "$(_incus_container)" -- "$cur"))
            ;;
        2)
            # second argument - options
            COMPREPLY=($(compgen -W "--user -u" -- "$cur"))
            ;;
        3)
            if [[ $prev =~ ^(--user|-u) ]]; then
                # user expected
                COMPREPLY=($(compgen -W "$(_active_users "$container")" -- "$cur"))
            fi
            ;;
    esac
}

complete -F _miaou_login "miaou-login"