#!/bin/sh
# -------
# File:        lliurex-default-language
# Description: LliureX manager for LANGUAGE environment variable
# Author:      Luis Garcia Gisbert <garcia_luigis@gva.es>
# 
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 program; if not, write to the Free Software Foundation, Inc., 
# 51 Franklin St, Fifth Floor, Boston MA 02110-1301 USA
# --------

set -e

PATH="/usr/sbin:/usr/bin:/sbin:/bin"

PROFILE_FILE="/etc/skel/.profile"
TEMPLATE_FILE="/usr/share/lliurex-base-files/templates/profile"

usage(){
	echo "Usage: $(basename "$0") show-default LANG" >&2
   
}

generate_language(){
	# $1 : LANG
	LANG0="${1%.*}"
	LANG00="${1%_*}"
	[ "$LANG00" != "qcv" ] || LANG00="$LANG00:es_ES:es"
	L="$LANG0:$LANG00:en"
	# remove duplicates
	L=$(echo "$L" |tr ":" "\n" |awk '!x[$0]++' |tr "\n" ":")
	L=${L%:}
	echo "$L"
}

ACTION="$1"
case "$1" in
	current)
		generate_language "$LANG"
		;;
	system)
		# search system's default LANG
		LANGUAGE="es_ES:es:en"
		for f in /etc/environment /etc/default/locale ; do
			[ ! -r "$f" ] || . $f
		done
		generate_language "$LANG"
		;;
	test-current)
		PRO
		TMP_FILE="$(tempfile -m 644)"
		sed -e "s%_@_LANGUAGE_@_%$LANGUAGE%g" "$TEMPLATE_FILE" > "$TMP_FILE"
		mv -f "$TMP_FILE" "$PROFILE_FILE"
		;;
	remove)
		# remove diversion if required
		if [ -r "${PROFILE_FILE}.orig" ][ "$(dpkg-divert --truename "$PROFILE_FILE")" != "$PROFILE_FILE" ] ; then
			rm -f "$PROFILE_FILE"
			dpkg-divert --package lliurex-base-files --rename --quiet --remove "$PROFILE_FILE" || true
		fi
		;;
	*)
		usage
		;;

esac

exit 0