#!/bin/bash

# Variables
declare -a vncctl
systemctl=systemctl
systemd_unit=vncserver
verb="${1:-status}"; shift
display="${1:-1}"  ; shift

# Prepending sudo if necessary
case "$verb" in
    start|restart|stop)
        sudo=sudo
        ;;
esac

# Command building
[[ -n $sudo ]] && vncctl+=("$sudo")
vncctl+=(
    "$systemctl"
    "$@"
    "$verb"
    "${systemd_unit}@:${display}"
)

# Debug
#echo "${vncctl[@]}"
#exit 0

# Command execution
set -xe
"${vncctl[@]}"