_game="spigot"
_user="craftbukkit"
_server_root="/srv/craftbukkit"

post_install() {
	if ! getent group "${_user}" &>/dev/null; then
		echo "Adding ${_user} system group..."
		groupadd -r "${_user}" 1>/dev/null
	fi

	if ! getent passwd "${_user}" &>/dev/null; then
		echo "Adding ${_user} system user..."
		useradd -r -g "${_user}" -d "${_server_root}" "${_user}" 1>/dev/null
	fi

	chown -R "${_user}":"${_user}" "${_server_root}"

	echo "The world data is stored under ${_server_root} and the server runs as ${_user} user to increase security."
	echo "Use the ${_game} script under /usr/bin/${_game} to start, stop or backup the server."
	echo "Adjust the configuration file under /etc/conf.d/${_game} to your liking."
	echo "For the server to start you have to accept the EULA in ${_server_root}/eula.txt !"
	echo "The EULA file is generated after the first server start."
}

post_upgrade() {
	chown -R "${_user}":"${_user}" "${_server_root}"
}

post_remove() {
	# Notifying the user of kept dirs
	[[ -d "${_server_root}" ]] && echo "Game saves in ${_server_root} were kept on your system."
	echo "The ${_user} user was preserved on your system."
}