# copy-pasted from install.sh in .run file
function addRoutingTable() {
    local highestIndex=$(awk '/^[0-9]/{print $1}' /etc/iproute2/rt_tables | sort -n | tail -1)
    local newIndex=$(($highestIndex + 1))
    local routingTable="$1"

    if ! grep -q "$routingTable" /etc/iproute2/rt_tables; then
        echo -e "$newIndex\t$routingTable" >> /etc/iproute2/rt_tables
    fi
}

pre_install() {
	groupadd piavpn
	groupadd piahnsd

	addRoutingTable piavpnrt
	addRoutingTable piavpnOnlyrt
	addRoutingTable piavpnWgrt
}

post_remove() {
	sed -i '/.*piavpnrt$/d' /etc/iproute2/rt_tables
	sed -i '/.*piavpnOnlyrt$/d' /etc/iproute2/rt_tables
	sed -i '/.*piavpnWgrt$/d' /etc/iproute2/rt_tables
	groupdel piavpn
	groupdel piahnsd
}

post_upgrade() {
	if systemctl is-active pia-daemon; then
		systemctl restart pia-daemon
	fi
}