#! /usr/bin/env bash
# http://fabien.benetou.fr/Tools/Greasemonkey#RevertedPIMLinks
# TODO
#	properly declare
#		path
#		groups to avoid
#		pages to avoid
#	include the anchor (e.g. [[#This]]) if present
#		difficult but important for long pages (e.g. [[WithoutNotes/]])
WIKI=/home/utopiah/web/benetou.fr/fabien/
DATE=$(date +%s)

cd /home/utopiah/web/benetou.fr/fabien/link_extractor

echo 'extract all the links from the wiki by group'
for GROUP in $(ls ../wiki.d/ | sed "s/\..*//" | sort | uniq | grep -v PmWiki | grep -v Site );
do
	for PAGE in $(ls ../wiki.d/$GROUP.* | sed "s/\.\.\/wiki.d\///" ); do pmwiki n=$PAGE nolog=true | sed "s/http/\nhttp/g" | grep http | grep -v benetou.fr | grep -v seedea.org | grep -v 127.0.0.1 | grep -v .ico\" | sed "s/'.*//" | sed "s/<\/a>.*//" | sed "s/$/ $PAGE/"; done > links_from_$GROUP
done

echo 'get all the links > sorted_global.txt'
cat links_from_* | sed "s/ .*//" | sort | uniq | grep -e "http://\w\|https://\w" > sorted_global.txt

echo 'for every link check in which page it is mentionned and append it without duplicates > indexed_links_uniqued'
echo '' > indexed_links_uniqued
while read line; do
	echo -n "$line " >> indexed_links_uniqued
	grep -i $line links_from_* | sed "s/.* //" | sort | uniq | xargs  >> indexed_links_uniqued
done < sorted_global.txt

echo 'clean from improper URL (e.g. " present) sed "s/\"/\\\"/g"'
grep -v '"' indexed_links_uniqued > indexed_links_uniqued_cleaned

echo 'format as User.js and make it available'
cat indexed_links_uniqued_cleaned | sed 's/\([^ ]\+\) \(.*\)/user_pref("greasemonkey.scriptvals.Utopiah\/reverted PIM links.rPIMlinks \1", "\2");/' > user.js
echo "user_pref(\"greasemonkey.scriptvals.Utopiah/reverted PIM links.rPIMlinks date\", \"$DATE\");" >> user.js

# replaced by rsync
#echo 'compress for faster transfert'
#bzip2 -k -f user.js #compress by a factor 10

# replaced by rsync
# echo 'make the script available via http://fabien.benetou.fr/pub/user.js.bz2'
#mv user.js.bz2 ../pub/

#echo 'periodically call this very script'
	#server cron added

#client cron not added