#!/bin/sh
# postinst script for vircadia-server
#
# see: dh_installdeb(1)

set -e

# summary of how this script can be called:
#        * <postinst> `configure' <most-recently-configured-version>
#        * <old-postinst> `abort-upgrade' <new version>
#        * <conflictor's-postinst> `abort-remove' `in-favour' <package>
#          <new-version>
#        * <postinst> `abort-remove'
#        * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
#          <failed-install-package> <version> `removing'
#          <conflicting-package> <version>
# for details, see https://www.debian.org/doc/debian-policy/ or
# the debian-policy package

case "$1" in
    configure)
	ldconfig -n /opt/vircadia/lib
	adduser --system --quiet --gecos "Vircadia" --home /var/lib/vircadia --group --no-create-home vircadia
	mkdir -p /var/lib/vircadia
	chown vircadia:vircadia /var/lib/vircadia
	chmod 775 /var/lib/vircadia
	if [ ! -d "/var/lib/vircadia/default" ]; then
		if [ -d "/var/lib/athena" ]; then
			ATHENA_ACTIVE=`systemctl list-units \
				| grep -P -o "(athena-assignment-client|athena-domain-server|athena-server)\S+" \
				| paste -s -d'|' \
				| head -c -1`
			ATHENA_ENABLED=`systemctl list-units --state=loaded \
				| grep -P -o "(athena-assignment-client|athena-domain-server|athena-server)\S+" \
				| xargs -I {} sh -c 'if systemctl is-enabled {} >/dev/null ; then echo {} ; fi' \
				| paste -s -d'|' \
				| head -c -1`

			# shutdown athena servers
			echo -n $ATHENA_ACTIVE | xargs -d'|' systemctl stop

			# copy the server files over
			cp /etc/opt/athena/* /etc/opt/vircadia
			cp -R /var/lib/athena/* /var/lib/vircadia
			chown -R vircadia:vircadia /var/lib/vircadia/*
			find /var/lib/vircadia -maxdepth 3 -path "*\.local/share" -execdir sh -c 'cd share; ln -s ../.. "Vircadia - dev"' ';'
			find /var/lib/vircadia -maxdepth 3 -path "*\.local/share" -execdir sh -c 'cd share; ln -s ../.. Vircadia' ';'

			VIRCADIA_ACTIVE=`echo -n $ATHENA_ACTIVE | sed 's/athena/vircadia/g'`
			VIRCADIA_ENABLED=`echo -n $ATHENA_ENABLED | sed 's/athena/vircadia/g'`

			echo -n $ATHENA_ENABLED | xargs -d'|' systemctl disable
			echo -n $VIRCADIA_ENABLED | xargs -d'|' systemctl enable
			echo -n $VIRCADIA_ACTIVE | xargs -d'|' systemctl start
		else
			/opt/vircadia/new-server default 40100
			systemctl enable vircadia-server@default.target
			systemctl start vircadia-server@default.target
		fi
	else
		systemctl list-units \
			| grep -P -o "(vircadia-assignment-client|vircadia-domain-server|vircadia-server)\S+" \
			| xargs systemctl restart
	fi
    ;;

    abort-remove|abort-deconfigure)
	ldconfig -n /opt/vircadia/lib
    ;;

    abort-upgrade)
    ;;

    *)
        echo "postinst called with unknown argument \`$1'" >&2
        exit 1
    ;;
esac

# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.

#DEBHELPER#

exit 0