#!/usr/bin/env sh

CMD=$1

if [ ! ${EUID} = 0 ]; then
	echo "Your are not root, will try to use sudo.."
	PREFIX=/usr/bin/sudo
else
	PREFIX=
fi

if [ "${CMD}" = "off" ]; then
	echo "Off, starting docker"
	${PREFIX} systemctl start docker.service
	${PREFIX} systemctl start docker.socket
elif [ "${CMD}" = "on" ]; then
	echo "On, stopping docker"
	${PREFIX} docker kill $(docker ps -qa)
	${PREFIX} docker network prune --force
	${PREFIX} systemctl stop docker.service
	${PREFIX} systemctl stop docker.socket
	echo "Connect to the Wifi network now and open https://iceportal.de/"
else
	cat<<EOF

This script solves the problem that you can not connect to the free Wifi in ICE
trains because docker network conflicts with DB network by default. It will
kill all docker containers, delete all networks, and shut down the services

Usage: ./ice_wlan_docker_linux.sh [on|off]

EOF
fi