#!/bin/bash
# -*- ENCODING: UTF-8 -*-

# Fix LightDM translations.
#
# Copyright (c) 2013-2016: Alexis Puente Montiel   < pica (a) picalibre.org >
#
# Licensed according to GNU AGPL version 3.0.
#
# It is libre/free software; you can use, redistribute and/or modify it according to the terms of GNU AGPL as published by GNU, version 3.0, 19 November 2007.
#
# It is distributed in the hope that it will be useful, but without any warranty. Read GNU AGPL version 3.0 for additional details.
#
# A copy of GNU AGPL version 3.0 is available at /usr/share/doc/<software-package-name>/agpl-3.0.txt (additionally on Internet as text at https://www.gnu.org/licenses/agpl-3.0.txt and as HTML at https://www.gnu.org/licenses/agpl-3.0-standalone.html ).
#
# Note: Additionally to the official e-mails, picalibre.org is strictly the only official site for this software project, please consider using it to download, report bugs and contribute.
#
# Depends: bash, coreutils, findutils, gettext, grep, lightdm (=1.10.3-3), sed


### SCRIPT VARIABLES ########################################

CNAME="pica-lightdm-translations-fix"
VERSION="1.0.0"
TITLE="Pica-LightDM-Translations-Fix"
#ICON="/usr/share/icons/pica-lightdm-translations-fix.png"

# Translations
if [ "$LANG" = "" ] ; then export $(cat /etc/default/locale | grep -a 'LANG=') ; fi
TEXTDOMAIN=pica-lightdm-translations-fix
TEXTDOMAINDIR=/usr/share/locale/

# Write errors to log
ERRORLOG="$HOME/.${CNAME}.log"
if [ -e "$ERRORLOG" ] ; then
	mv -f $ERRORLOG ${ERRORLOG}.ant
fi
if [ -e "$ERRORLOG" ] ; then rm -rf "$ERRORLOG" ; fi

for i in /etc/pica-global.dist /etc/pica-global.orig /etc/pica-global /etc/pica-global.local ~/.pica-global ~/pica-global ; do
	if [ -f "$i" ] ; then
	cat "$i"
	source "$i"
	source <(cat $i | sed -e "s/=\(YES\|Yes\|yes\|y\|SÍ\|SI\|Sí\|Si\|sí\|si\|S\|s\)/=Y/g" -e "s/=\(No\|no\|n\)/=N/g" -e "s/=\"\(YES\|Yes\|yes\|y\|SÍ\|SI\|Sí\|Si\|sí\|si\|S\|s\)\"/=Y/g" -e "s/=\"\(No\|no\|n\)\"/=N/g")
	fi
done
if [ "$DEBUG" = "Y" ] ; then
	set -xv
	DEBUG="Y"
else
	ERRORLOG="/tmp/.${CNAME}_$(id -nu).log"
	if [ -e "$ERRORLOG" ] ; then mv -f $ERRORLOG ${ERRORLOG}.ant ; fi
	if [ -e "$ERRORLOG" ] ; then rm -rf "$ERRORLOG" ; fi
fi
#if [ "$DEBUG" = "" ] ; then DEBUG="N" ; fi
if [ "$DEBUG" != "N" ] ; then
exec > >(tee -a "$ERRORLOG") 2>&1
echo "$0" "$*" >> "$ERRORLOG"
echo "$CNAME" "$VERSION" >> "$ERRORLOG"
echo $(date +%Y-%m-%d_%H:%M:%S) $"Start" >> "$ERRORLOG"
echo "env:" >> "$ERRORLOG"
env >> "$ERRORLOG"
echo "set:" >> "$ERRORLOG"
set >> "$ERRORLOG"
#else
#exec 2>>"$ERRORLOG"
fi

# Description:
BDESCRIP=$"Fix LightDM translations."
LDESCRIP=$"$TITLE is a tool to fix LightDM translations."

# Documentation:
docu_info () {
echo "$CNAME ($VERSION) - $BDESCRIP"
echo 
echo $"Usage:" $CNAME [$"OPTIONS"]
echo 
echo $"Options:"
echo -e "$ODESCRIP"
echo 
echo $"'man $CNAME' for more information."
echo 
}
ODESCRIP=" -x""\t"$"Show help documentation."

while getopts x OPTION ; do
	case $OPTION in
		x )   docu_info ; exit 0 ;;
	esac
done


### ROOT CHECK ########################################

#if [ "$(cat /etc/passwd | grep -aE ^$(whoami): | cut -d ':' -f 3 )" -ne 0 ] ; then
if [ "$(id -u)" -ne 0 ] ; then
	echo $"$TITLE must be launched as SuperUser. Cannot continue."
#	$DIALOG $WICON $WTITLE "$TITLE" $ERROR $WTEXT $"$TITLE must be launched as SuperUser.\n\nCannot continue." $H $W
	exit 1
fi
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/opt/trinity/bin


### SCRIPT ########################################

find /usr/share/locale/ | grep -ai lightdm | grep -aEi "\.mo$" | while read MO ; do
	printf '.'
	PO=$(echo "$MO" | sed "s|mo$|po|g" )
	if [ -f "$PO" ] ; then rm -f "$PO" ; fi
	msgunfmt "$MO" >> "$PO"
	printf "\n# PicaLibre fix:\n\n" >> $PO
	if [ "$(cat $PO | grep -av '%' | grep -aE 'msgid.*Log In')" = "" ] ; then cat $PO | grep -av '%' | grep -aE 'msgid.*Login' -A2 | sed 's|Login|Log In|g' | sed ':a;N;$!ba;s|\n--||g' >> $PO ; fi
	if [ "$(cat $PO | grep -av '%' | grep -aE 'msgid.*Log In')" = "" ] ; then cat $PO | grep -av '%' | grep -aE 'msgid.*Session' -A2 | sed 's|Session|Log In|g' | sed ':a;N;$!ba;s|\n--||g' >> $PO ; fi
	if [ "$(cat $PO | grep -av '%' | grep -aE 'msgid.*Shut Down')" = "" ] ; then cat $PO | grep -av '%' | grep -aE 'msgid.*Shutdown' -A2 | sed 's|Shutdown|Shut Down|g' | sed ':a;N;$!ba;s|\n--||g' >> $PO ; fi
	rm -f "$MO"
	msgfmt "$PO" -o "$MO"
done

printf "\n"

#if [ "$(cat /etc/passwd | grep -aE ^$(whoami): | cut -d ':' -f 3 )" -eq 0 ] ; then
if [ "$(id -u)" -eq 0 ] && [ "$DEBUG" = "Y" ] ; then
	RECERRORLOG="$ERRORLOG"
	for i in $(cat /etc/passwd | awk -F ':' '{print $3,$1}' | sort -n | grep -aEi "00[0-9] " | awk '{print $2}') ; do AUSER=$(users | sed 's| |\n|g' | grep -aE "^$i$" | head -n 1) ; if [ "$AUSER" != "" ] ; then
		HOMEERRORLOG=/home/$i/.${CNAME}.log
		RECERRORLOG="$RECERRORLOG $HOMEERRORLOG "
		cp -v --remove-destination $ERRORLOG $HOMEERRORLOG
		if [ "$(id -nu $i)" != "" ] ; then chown $(id -nu $i):$(id -ng $i) $HOMEERRORLOG ; else chown 1000:1000 $HOMEERRORLOG ; fi
		chmod 600 $HOMEERRORLOG ; if [ "$(stat -c %U $HOMEERRORLOG)" != "$i" ] ; then chmod 666 $HOMEERRORLOG ; fi
		break
	fi ; done
fi

exit 0
