#!/bin/bash
#
# Copyright 2007, Donatas Glodenis <dgvirtual@akl.lt>
#
# #
# # This script is free software; you can redistribute it and/or modify
# # it under the terms of the GNU General Public License 2 as published by
# # the Free Software Foundation.
#
# # This script is distributed in the hope that it will be useful,
# # but WITHOUT ANY WARRANTY; without even the implied warranty of
# # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# # GNU General Public License for more details.
# #
# # You should have received a copy of the GNU General Public License
# # along with this script; if not, write to the Free Software
# # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
# 
# ths-autotranslate.sh - automatically translates project files (may initialize files that have not been started to translate) using a specified compendium.

source "`dirname $0`/ths-variables"

function usage() {
	echo "Usage `basename $0` [options] <translation-files> <template-files>"
        echo
        echo "Options:"
        echo "   -C|--use-compendium=some-compendium.po"
	echo "                           - use an external compendium during the migration"
	echo "   -I|--initialize"
	echo "                           - initialize new translation files"
        echo "   --no-wrap               - do not wrap long lines"
        echo "   --locale=lang           - set locale for newly born files"
	exit 1
}

option_no_fuzzy_matching="--no-fuzzy-matching"
option_verbose="Y"
option_do_initialization="Y"

while true
do
	case $1 in
		-F|--use-fuzzy-matching)
			option_no_fuzzy_matching=""
			shift
			;;
		-C=*|--use-compendium=*)
			option_use_own_compendium="$option_use_own_compendium --compendium=`echo $1 | sed 's/\-C=\|--use-compendium=//'`"
			shift
			;;
		-I|--initialize)
			option_do_initialization="Y"
			shift
			;;
		--no-wrap)
			option_no_wrap="--no-wrap"
			shift
			;;
		--locale=*)
			option_locale=`echo $1 | sed 's/--locale=//'`
			shift
			;;
		--locale)
			shift
                        if [ $# -lt 1 ]; then
                            usage
                        fi
			option_locale=$1
                        shift
			;;
		-q|--quiet)
			option_verbose=""
			option_verbose_msgmerge="--quiet"
			shift
			;;
		-*|--*)
			usage
			;;
		*)
			break
			;;
	esac
done

if [ $# -ne 2 ]; then
	usage
fi

new=$1
templates=$2


if [ "$option_do_initialization" = "Y" ]; then
	echo -n " ** New files will not be initialized ** "
	echo
else
	echo "** Initializing new files... **"
	pots=`cd $templates; find . -name "*.pot"`
	if [ "$pots" == "" ]; then
		echo "No POT templates found in: $templates"
		exit 1
	fi
	for pot in $pots
	do
		# determine pot names according to the po names
		filename=`basename $pot .pot`.po
		directory=`dirname $pot`
		mkdir -p $new/$directory
		# copy a po file if an exact match is found for it in the templates directory
		if [ -f $new/$directory/$filename ]; then
			echo -n "file $new/$directory/$filename already exists, skipping creation..."
			echo
		else
				if [ ! $option_verbose ]; then
					msginit $option_no_wrap --locale=$option_locale --no-translator -i $templates/$pot -o $new/$directory/$filename 2>&1 | egrep -v "^Created"
				else
					msginit $option_no_wrap --locale=$option_locale --no-translator -i $templates/$pot -o $new/$directory/$filename
				fi
	
		fi
	done
fi

echo "** Updating files against templates (optionally with compendium)... **"
for po in `cd $new ; find . -name "*.po" | sort`
do
	[ $option_verbose ] && echo -n $new/$po
	msgmerge $option_verbose_msgmerge $option_no_fuzzy_matching $option_no_wrap $option_use_own_compendium --backup=off --update $new/$po $templates/${po}t
done