#!/usr/bin/env bash

# Find ZendTo top directory.
# It's either set in $ZENDTOPREFS, or else it's /opt/zendto, or else
# we can't find it so bail out.
if [ "x$ZENDTOPREFS" != "x" ]; then
  ZENDTO=$( echo "$ZENDTOPREFS" | sed -e 's/\/[^\/]*$//; s/\/[^/]*$//;' )
else
  ZENDTO=/opt/zendto
fi
if [ "x$ZENDTO" = "/" ] || [ "x$ZENDTO" = "/opt" ] || [ ! -d "$ZENDTO" ]; then
  echo "I cannot find the ZendTo directory!"
  exit 1
fi

BIN="$ZENDTO/bin"
CONFIG="$ZENDTO/config"
LOCALE="$ZENDTO/config/locale"
SUPPLIED="$ZENDTO/config/locale/supplied"
TEMPLATES="$ZENDTO/templates"
SMARTYPOT="$LOCALE/smarty.pot"
PHPPOT="$LOCALE/php-code.pot"
ZENDTOPOT="$LOCALE/zendto.pot"
DATE="$(date +'%Y-%m-%d %H:%M%z')"
YEAR="$(date +'%Y')"

# -q ==> quieter output
if [ "x$1" = "x-q" ]; then
  QUIET=quiet
fi

umask 022
install -d "$LOCALE"

[ -z "$QUIET" ] && echo Generating translation strings for UI templates
php $BIN/tsmarty2c -o $SMARTYPOT $TEMPLATES/*.tpl

[ -z "$QUIET" ] && echo Generating translation strings for PHP code
xgettext -L PHP --no-location --keyword=gettext --keyword=_ --output=- $ZENDTO/{www,lib}/*.php | sed -e '/^#, php-format$/d' > $PHPPOT

[ -z "$QUIET" ] && echo Filling in header fields of translation file
sed -i -e \
  's/^# SOME DESCRIPTIVE TITLE.*$/# ZendTo translation strings/;
   s/^# \(.*\) YEAR THE PACKAGE.S COPYRIGHT HOLDER.*$/# \1 2018 Jules Field <Jules@Zend.To>/;
   s/^# \(.* same license as the\) PACKAGE package.*$/# \1 ZendTo package./;
   s/^# *FIRST *AUTHOR.*YEAR.*$/# Jules Field <Jules@Zend.To> '"$YEAR"'./;
   s/^\("Project-Id-Version:\).*$/\1 ZendTo 6.00\\n"/;
   s/^\("PO-Revision-Date:\).*$/\1 '"$DATE"'\\n"/;
   s/^\("Language-Team:\).*$/\1 US English <Jules@Zend.To>\\n"/;
   s/^\("Content-Type: *text\/plain; *charset=\).*$/\1UTF-8\\n"/;' \
   $PHPPOT

[ -z "$QUIET" ] && echo Replacing UI and PHP translation strings with merged version
msgcat --no-wrap --no-location -o $ZENDTOPOT.tmp $PHPPOT $SMARTYPOT || ( echo "Something is wrong with the $PHPPOT or $SMARTYPOT files, I cannot combine them."; exit 1 )
cat - $ZENDTOPOT.tmp <<EOC > $ZENDTOPOT
# ZendTo Language Translations File.
#
# Add a new lanaguage by running a command like
#   /opt/zendto/bin/addlanguage "fr_FR"
# and this will create the directories and files necessary.
# Then edit the copy of this file in
#   /opt/zendto/config/locale/fr_FR/LC_MESSAGES/zendto.po
# and put in your translations. You don't need to fill in all of them,
# only those you want to change.
# Then run
#   /opt/zendto/bin/makelanguages
# and it will compile it all for you.
# Then set your 'language' in /opt/zendto/config/preferences.php.
#
#
EOC
rm -f $PHPPOT $SMARTYPOT $ZENDTOPOT.tmp

echo Compiling user interface languages
cd $LOCALE
for L in *_*
do
  if [ -d $L ]; then
    LCM=$LOCALE/$L/LC_MESSAGES
    install -d $LCM
    if [ -f $LCM/zendto.po ]; then
      [ -z "$QUIET" ] && echo Merging supplied translations of any new phrases into language $L,
      [ -z "$QUIET" ] && echo and backing up old zendto.po file
      if [ -f "$SUPPLIED/$L.zendto.po" ]; then
        ADDNEW="--compendium=$SUPPLIED/$L.zendto.po"
      else
        ADDNEW=""
      fi
      msgmerge --no-wrap --backup=numbered --no-location --update $ADDNEW $LCM/zendto.po $ZENDTOPOT
    else
      echo Adding translation strings source for new language $L
      cp $ZENDTOPOT $LCM/zendto.po
    fi
    [ -z "$QUIET" ] && echo Compiling translations for language $L
    if msgfmt --use-fuzzy -o $LCM/zendto.mo.tmp $LCM/zendto.po; then
      mv -f $LCM/zendto.mo.tmp $LCM/zendto.mo
    else
      echo Compiling language strings for $L failed'!'
      echo Old translation file has not been touched.
      rm -f $LCM/zendto.mo.tmp
      echo
    fi
  fi
done

# Delete the smarty cache, as it won't spot changes if only the
# language files have changed
if [ "x$ZENDTOPREFS" = "x" ]; then
  # Default if we don't know it
  ZENDTOPREFS='/opt/zendto/config/preferences.php'
fi
# Find the templates_c dir if we can
if [ -r "$ZENDTOPREFS" ]; then
  VARZENDTO="$( php -r 'include "'"$ZENDTOPREFS"'"; print NSSDROPBOX_DATA_DIR;' )"
else
  VARZENDTO='/var/zendto/'
fi
# Remove any trailing /
VARZENDTO="${VARZENDTO%/}"
# Quietly delete the cached compiled templates if we found them
if [ -d "${VARZENDTO}/templates_c" ]; then
  rm -f "${VARZENDTO}/templates_c"/*.php >/dev/null 2>&1
fi

# In case they are using SELinux, quietly reset all the security attributes
restorecon -FR /opt/zendto >/dev/null 2>&1

exit 0