#!/bin/bash
#
# .---.                  .              .
# |                      |              |
# |--- .--. .-.  .-.  .-.|  .-. .--.--. |.-.  .-. .--.  .-.
# |    |   (.-' (.-' (   | (   )|  |  | |   )(   )|  | (.-'
# '    '     --'  --'  -' -  -' '  '   -' -'   -' '   -  --'
#
#                    Freedom in the Cloud
#
# batman adv mesh functions
#
# License
# =======
#
# Copyright (C) 2014-2016 Bob Mottram <bob@robotics.uk.to>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# B.A.T.M.A.N settings
ENABLE_BATMAN="no"
BATMAN_CELLID='any'

function configure_firewall_for_batman {
	if grep -Fxq "configure_firewall_for_batman" $COMPLETION_FILE; then
		return
	fi
	if [[ $ENABLE_BATMAN != "yes" ]]; then
		return
	fi

	function_check save_firewall_settings
	save_firewall_settings
	echo 'configure_firewall_for_batman' >> $COMPLETION_FILE
}

function remove_batman {
	if ! grep -Fxq "mesh_batman" $COMPLETION_FILE; then
		return
	fi

	${PROJECT_NAME}-mesh-install -f batman --remove yes
	if [ ! "$?" = "0" ]; then
		echo $'Failed to remove batman'
		exit 79353
	fi
	sed -i '/mesh_batman/d' $COMPLETION_FILE
	sed -i '/configure_firewall_for_batman/d' $COMPLETION_FILE
}

function mesh_batman {
	if grep -Fxq "mesh_batman" $COMPLETION_FILE; then
		return
	fi
	if [[ $ENABLE_BATMAN != "yes" ]]; then
		return
	fi

	${PROJECT_NAME}-mesh-install -f batman
	if [ ! "$?" = "0" ]; then
		echo $'Failed to install batman'
		exit 72524
	fi

	if ! grep -q "Mesh Networking (B.A.T.M.A.N)" /home/$MY_USERNAME/README; then
		echo '' >> /home/$MY_USERNAME/README
		echo '' >> /home/$MY_USERNAME/README
		echo 'Mesh Networking (B.A.T.M.A.N)' >> /home/$MY_USERNAME/README
		echo '=============================' >> /home/$MY_USERNAME/README
		echo "Mesh ESSID: $WIFI_SSID" >> /home/$MY_USERNAME/README
		echo "Mesh cell ID: $BATMAN_CELLID" >> /home/$MY_USERNAME/README
		echo "Mesh wifi channel: $WIFI_CHANNEL" >> /home/$MY_USERNAME/README
		chown $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/README
		chmod 600 /home/$MY_USERNAME/README
	fi

	function_check configure_firewall_for_batman
	configure_firewall_for_batman
	echo 'mesh_batman' >> $COMPLETION_FILE
}

# NOTE: deliberately no exit 0