#!/bin/bash
# Copyright (c) 2004-2006 Dennis Stampfer <seppy@debian.org>
# Copyright (c) 2006 Christian Perrier <bubulle@debian.org>
# Licensed under the GNU General Public License
#
# Build an HTML file from the D-I l10n stats results
# produced by gen-stats 
#
# Files:
#   o update_html.conf
#     Config file with values for files locations and levels to handle


create_dir() {
  if [ ! -d "$1" ] ; then
    if [ ! -e "$1" ] ; then
      mkdir -p "$1"
    else
      echo "$1" already exists and is not a directory
    fi
  fi
}

usage(){
  echo Usage: $0 [config]
  echo 
  echo  "               config: optional config file"
}

########################### Defaults ##########################################
WD="."
RESULTS="."
TARGET="translation-status.html"
LEVELS="1 2 3 4 5"
TEMPLATE="$WD/config/translation-status.template"
DIST="unstable"
########################### End of Defaults ###################################

##########################  Command line parsing ##############################
if [ "$1" ] ; then
  CONFIG=$1
fi

if [ "$CONFIG" ] ; then
  if [ -r "$CONFIG" ] ; then
    . "$CONFIG"
  else
    echo $CONFIG does not exist or unreadable
    exit 1
  fi
fi
########################## End of command line parsing ###################

########################## Definitions, which depend on command-line #####
# Directory with config files
CONFIG_DIR=$WD/config
# Directory for lock files and other temporary stuff
RUN_DIR=$WD/run

TEMPDIR="${RUN_DIR}/update_html-temp-$RANDOM"
########################## End of definitions ############################

########################## Sanity and consistency checks #################
# Create all the needed directories (safely)
create_dir $CONFIG_DIR
create_dir $RUN_DIR
create_dir $TEMPDIR

if ! touch $TARGET ; then
  echo $TARGET file cannot be created
  exit 1
fi

if [ "$DIST" = "cvs" ] ; then
	ext=""
else
	ext=".$DIST"
fi


if [ -d $RESULTS ] ; then
  for i in $LEVELS ; do
    if [ ! -f $RESULTS/level$i/rank$ext.txt ] ; then
      echo $RESULTS/level$i does not seem to contain information about level $i
      echo Run gen-stats for that level before running $0
      exit 1
    fi
  done
else
  echo $RESULTS directory does not exist
  exit 1
fi

if [ ! -f "${TEMPLATE}" ] ; then
  echo "No template file ($TEMPLATE) found"
  exit 1
fi

############### End of sanity and consistency checks #############


function doit() { 
	RANK=$1
	#how many?
	LANGUAGES=`grep "%" $RANK | wc --lines | sed "s/^ *//g"`
	#echo "$LANGUAGES languages at all." 

	COUNT=0
	#I am happy that this works for seppy's stats and for barbier's stats:
	#for I in `grep "%" $RANK | cut  -f 2|cut -d " " -f 1|sed 's/%//g'`; do
	#for I in `grep "%" $RANK | cut  -f 2|sed 's/%.*//g'`; do
	for I in `grep "%" $RANK | sed 's/%.*//g' | sed 's/.. //g'`; do
	  COUNT=`expr $COUNT + $I`
	done

	#AVERAGE=`expr $COUNT / $LANGUAGES`
	#echo "$COUNT percent together. makes an average of $AVERAGE" 
	AVERAGE=`echo "scale=2;$COUNT / $LANGUAGES" | bc -l`

	echo "<b>$AVERAGE% in total<br>$LANGUAGES+1(en) languages</b>"
	echo -n "$AVERAGE + " >> $TEMPDIR/avg
#	test "$AVERAGE" = "0" && exit
}

echo -n "(" > $TEMPDIR/avg


for level in $LEVELS; do
	cp $RESULTS/level$level/rank$ext.txt $TEMPDIR/tmp.txt
	grep "%" $TEMPDIR/tmp.txt \
	  | LC_ALL=C sed -e "s:%[[:space:]]*\([_a-zA-Z]*\):% <a href=\"level$level/\1$ext.txt\">\1</a>:" \
	  > $TEMPDIR/$level.txt
	doit $TEMPDIR/$level.txt >> $TEMPDIR/$level.txt
	rm -f $TEMPDIR/tmp.txt
done

nb_levels=0
for i in $LEVELS ; do
  nb_levels=`expr ${nb_levels} + 1`
done

D=`date -u "+%d-%m-%Y %H:%M:%S"`
echo "0)/${nb_levels}" >> $TEMPDIR/avg
TOTAL=`cat $TEMPDIR/avg | bc`
rm $TEMPDIR/avg


cp $TEMPLATE $TEMPDIR/template
for i in $LEVELS ; do
  sed "/<L$i>/r $TEMPDIR/$i.txt" $TEMPDIR/template >$TEMPDIR/template.tmp
  mv $TEMPDIR/template.tmp $TEMPDIR/template
done
cat $TEMPDIR/template | sed "s/<DATE>/$D/g" | sed "s/<TOTAL>/$TOTAL/g" | sed 's/<MANUAL>//g' > $TARGET

for i in $LEVELS ; do
  rm $TEMPDIR/$i.txt
done

rm -fr $TEMPDIR || true