#!/bin/sh
#
# Author: Peter Mann <Peter.Mann@tuke.sk>
# Date:   2006-02-11
# Contributions
#  Christian Perrier <bubulle@debian.org>
#
# script for monitoring changes of translation status txt files
#
# Usage: websec-txt-all <language>
#
# this script is named 'websec-txt' because of missing txt support
# in 'websec' - package for monitoring html changes with webdiff

if [ $# -ne 1 ]; then
	echo "Missing language - run websec with iso code of language"
	exit 1
fi

# Configuration variables. May need to be changed
# Path for the config file and status files
LOCAL_PATH=$HOME/.websec-txt
# Config file. Must contain lines with "<language> address1,address2"
LANG_MAIL_CFGFILE=${LOCAL_PATH}/lang-mail.cfg
# Local path
SCRIPT_PATH=`dirname $0`
# Filter aimed to simplify the output
FILTER=${SCRIPT_PATH}/simplestats.pl
# Base URL for the stats file
BASE_URL="http://d-i.debian.org/l10n-stats/level"

ACTUAL_DATE=`date +%Y.%m.%d__%H.%M.%S`
ACTUAL_LANGUAGE="${1}"
LOCAL_PATH_FILES=${LOCAL_PATH}/${ACTUAL_LANGUAGE}-files
URL_SOURCES="${BASE_URL}1/${ACTUAL_LANGUAGE}.txt ${BASE_URL}2/${ACTUAL_LANGUAGE}.txt ${BASE_URL}3/${ACTUAL_LANGUAGE}.txt ${BASE_URL}4/${ACTUAL_LANGUAGE}.txt ${BASE_URL}5/${ACTUAL_LANGUAGE}.txt "

MAIL_ADDRESS=`grep "^${ACTUAL_LANGUAGE} " ${LANG_MAIL_CFGFILE} | awk '{print $2}'`

test -d ${LOCAL_PATH} || { echo "Initializing ${LOCAL_PATH} ..."; install --directory --mode=0700 ${LOCAL_PATH}; exit 0; }
test -d ${LOCAL_PATH_FILES} || { mkdir ${LOCAL_PATH_FILES}; exit 0; }
#test -f ${URL_SOURCES} || { echo "Missing ${URL_SOURCES} ..."; exit 0; }
test -x ${FILTER} || { echo $FILTER not found or not executable; exit 1; }

for i in ${URL_SOURCES}; do

	URL_SOURCE0=$i
	LOCAL_FILE=`echo ${URL_SOURCE0} | sed 's/\//_/g' | tr "~:" "__"`

	test -f ${LOCAL_PATH_FILES}/$LOCAL_FILE.old || touch ${LOCAL_PATH_FILES}/$LOCAL_FILE.old
	test -f ${LOCAL_PATH_FILES}/$LOCAL_FILE || touch ${LOCAL_PATH_FILES}/$LOCAL_FILE

	mv ${LOCAL_PATH_FILES}/$LOCAL_FILE ${LOCAL_PATH_FILES}/$LOCAL_FILE.old
	wget --quiet $URL_SOURCE0 -O - | grep -v "Files fetched and report generated" > ${LOCAL_PATH_FILES}/$LOCAL_FILE

	DIFFFILE=${LOCAL_PATH_FILES}/$LOCAL_FILE.diff
	diff -u ${LOCAL_PATH_FILES}/$LOCAL_FILE.old ${LOCAL_PATH_FILES}/$LOCAL_FILE > ${DIFFFILE}
	DIFFRETURNED=$?
	if test $DIFFRETURNED -ne 0;
	then
		if test -s ${DIFFFILE}; then
			RPTFILE=${LOCAL_PATH_FILES}/$LOCAL_FILE.report
			cat ${DIFFFILE} | $FILTER > ${RPTFILE}
			if test -s ${RPTFILE}; then
				echo "Mailing  ${MAIL_ADDRESS} for ${ACTUAL_LANGUAGE} with:"
				cat ${RPTFILE}
				cat ${RPTFILE} | mutt -s "[WebSec-txt-${ACTUAL_LANGUAGE}] $URL_SOURCE0 - $ACTUAL_DATE" ${MAIL_ADDRESS}
			fi
		else
			echo "diff for ${URL_SOURCE0} returned ${DIFFRETURNED}, yet ${DIFFFILE} is empty\!"
		fi
#	else
#		echo "$URL_SOURCE0 - no changes"
	fi

done

exit 0