#!/bin/sh
set -e

#!/bin/sh

set -e

# COMMON VARIABLES
PACKAGE_NAME="n4d-dnsmasq"
ORIGINAL_FILE="/lib/systemd/system/dnsmasq.service"
DIVERT_FILE="$ORIGINAL_FILE.divert"
LLIUREX_FILE="/usr/share/n4d-dnsmasq/dnsmasq.service"

case $1 in
        configure)

                if [ ! -r ${DIVERT_FILE} ] ; then

                        dpkg-divert --package ${PACKAGE_NAME} --rename --quiet --add --divert  ${DIVERT_FILE}  ${ORIGINAL_FILE}
                        ln -fs ${LLIUREX_FILE}  ${ORIGINAL_FILE}
			systemctl daemon-reload

                fi

		n4d-modules enable-plugin /etc/n4d/conf.d/DnsmasqManager || true

		# Get the SRV_IP 
		FILE_TO_WATCH="/etc/dnsmasq.conf"
		eval $(n4d-vars getvalues SRV_IP)

		if grep -Fq "address=/preseed/mirror/$SRV_IP" $FILE_TO_WATCH
		then
		      sed -i "s/address=\/preseed\/mirror\/$SRV_IP/address=\/preseed\/mirror\/proxy\/server\/$SRV_IP/g" $FILE_TO_WATCH
		fi

		if grep -Fq "address=/preseed/mirror/proxy/$SRV_IP" $FILE_TO_WATCH
		then
		      sed -i "s/address=\/preseed\/mirror\/proxy\/$SRV_IP/address=\/preseed\/mirror\/proxy\/server\/$SRV_IP/g" $FILE_TO_WATCH
		fi



	        if dpkg --compare-versions "$2" lt 1.61; then
			echo "Newer MacroLAN DNSs are available. Executing DNS Changeer..."
			lliurex-dns-fixer || true
	        fi


               ;;
        *)
                echo "[DEBUG] Unknow action ..."
                ;;

esac

#DEBHELPER#


exit 0