#!/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)

		n4d-modules enable-plugin /etc/n4d/conf.d/DnsmasqManager.json || 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 1.86; then
			echo "Newer MacroLAN DNSs are available. Executing DNS Changeer..."
			lliurex-dns-fixer || true
	        fi

                if dpkg --compare-versions "$2" lt 1.88; then

			if grep -Fq "address=/preseed/mirror" $FILE_TO_WATCH
			then
				if ! grep -Fq "resolv-file=" $FILE_TO_WATCH
				then
					if [ -e "/var/lib/dnsmasq/config/extra-dns" ]; then
						sed -i '/^address=.*/a resolv-file=/var/lib/dnsmasq/config/extra-dns' $FILE_TO_WATCH
						deb-systemd-invoke try-restart dnsmasq || true
    					fi
				fi	

			fi



                fi



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

esac

#DEBHELPER#


exit 0