#! /bin/bash

GREENSTONE_EMAIL=greenstone_team@cs.waikato.ac.nz

# get rid of any old reports
report=translation_status_report.txt
if test -f $report; then 
    rm -f $report
fi

filelisting=("macros/*.dm" "perllib/strings*.properties" "gli/classes/dictionary*.properties" "gli/help/" "gsinstaller/LanguagePack*.properties")

date=`date +"%d-%m-%y"`
echo "Translation status report for date: $date" >> $report
echo "Checked in ${filelisting[@]}" >> $report
echo "---------------------------------------------" >> $report

# store backup of Internal Field Separator value, then set IFS to newline for splitting on newline
IFS_BAK=$IFS
#    IFS='\n' # splits on all whitespace
IFS='
'

num_modified=0

# in the lines returned from the diff, test for archives or newline
# http://stackoverflow.com/questions/229551/string-contains-in-bash
# http://stackoverflow.com/questions/10515964/counter-increment-in-bash-loop-not-working
for file in ${filelisting[@]}; do
    status=`svn status $file`
    # "LINE: $file - status: $status"
    # if the file's svn status is modified, write the filename out to the report
    if [[ "$status" == *"M "* ]]; then
	#echo "$file has been modified: $status"
	echo $file >> $report
	((num_modified++))
    fi
done

# restore IFS
IFS=$IFS_BAK
IFS_BAK=

if [[ $num_modified == 0 ]]; then
    echo "No files modified" >> $report
else
    echo ""
    echo "The above files were modified ($num_modified number of files)." >> $report
fi

echo "---------------------------------------------" >> $report

# if no files are modified, we don't send email, otherwise we do
if [[ $num_modified != 0 ]]; then
#  echo "Files were modified. Sending email..."  
  cat $report | mail -s 'TRANSLATION files on nzdl have been updated' $GREENSTONE_EMAIL
fi