#!/bin/bash
#
# The following is a script to set up local apps support on LTSP through LDM
#


home_linker(){
	AUX_LANG=$LANG
	if [ ! -z "$LDM_LANGUAGE" ]; then
		AUX_LANG="$LDM_LANGUAGE"	
	fi
	date >> /tmp/home_linker.log
	# From this file get $LANG
	{ [ -r "$LDM_HOME/.pam_environment" ] && . "$LDM_HOME/.pam_environment" ;} || { [ -r "/etc/default/locale" ] && . "/etc/default/locale" ;} || true 
	# Get Usernames
	GRP_USER="$(id -ng $LDM_USERNAME)"
	# Source for user-dirs if it exists
	USER_DIRS="$LDM_HOME/.config/user-dirs.dirs"
	[ ! -r $USER_DIRS ] || . $USER_DIRS
	# Source the token file if it exists
	LAST_LOGIN_DIRECTORIES="$LDM_HOME/.config/user-dirs.created"
	[ ! -r "$LAST_LOGIN_DIRECTORIES" ] || . "$LAST_LOGIN_DIRECTORIES"
	#Temp file with new user-dirs
	[ -d "$LDM_HOME" ] || { mkdir -p "$LDM_HOME" ; chown $LDM_USERNAME:$GRP_USER "$LDM_HOME" ;}
	[ -d "$LDM_HOME/.config" ] || { mkdir -p "$LDM_HOME/.config" ; chown $LDM_USERNAME:$GRP_USER "$LDM_HOME/.config" ;}
	TEMP_NEW_USER_DIRS="$LDM_HOME/.config/aux-user-dirs.create"
	:> $TEMP_NEW_USER_DIRS

	get_acl_from_server "$LDM_HOME" "$GRP_USER" "$LDM_USERNAME"
	
	echo "El idioma es $AUX_LANG" >> /tmp/home_linker.log
	# Download directory actions
	DOWNLOADS_LOCALE="$(/usr/bin/xdg_translator "$AUX_LANG" "Downloads")"
	DESKTOP_LOCALE="$(/usr/bin/xdg_translator "$AUX_LANG"  "Desktop")"
	DOCUMENTS_LOCALE="$(/usr/bin/xdg_translator "$AUX_LANG"  "Documents")"
	SHARE_LOCALE="$(/usr/bin/xdg_translator "$AUX_LANG"  "Share")"
	SHARETEACHERS_LOCALE="$(/usr/bin/xdg_translator "$AUX_LANG"  "Teachers_Share")"
	GROUPSSHARE_LOCALE="$(/usr/bin/xdg_translator "$AUX_LANG"  "Groups_Share")"

	[ ! -z $DESKTOP_LOCALE ] || DESKTOP_LOCALE="Desktop"
	[ ! -z $DOWNLOADS_LOCALE ] || DOWNLOADS_LOCALE="Downloads"
	[ ! -z $DOCUMENTS_LOCALE ] || DOCUMENTS_LOCALE="Documents"
	[ ! -z $SHARE_LOCALE ] || SHARE_LOCALE="Share"
	[ ! -z $SHARETEACHERS_LOCALE ] || SHARETEACHERS_LOCALE="Teachers_Share"
	[ ! -z $GROUPSSHARE_LOCALE ] || GROUPSSHARE_LOCALE="Groups_Share"
	# Umount directories mounted previously
	

	if [ -e $LDM_HOME/${DESKTOP_LOCALE} ]; then
		rm -rf $LDM_HOME/${DESKTOP_LOCALE}
		if [ "$TOKEN_DESKTOP" != "" -a -e "$LDM_HOME/$TOKEN_DESKTOP" ]; then
			rm -rf $LDM_HOME/$TOKEN_DESKTOP
		fi
	fi
	echo "TOKEN_DESKTOP=\"$DESKTOP_LOCALE\"" >> $TEMP_NEW_USER_DIRS

	if [ -e $LDM_HOME/${DOCUMENTS_LOCALE} ]; then
		rm -rf $LDM_HOME/${DOCUMENTS_LOCALE}
		if [ "$TOKEN_DOCUMENTS" != "" -a -e "$LDM_HOME/$TOKEN_DOCUMENTS" ]; then
			rm -rf $LDM_HOME/$TOKEN_DOCUMENTS
		fi
	fi
	echo "TOKEN_DOCUMENTS=\"$DOCUMENTS_LOCALE\"" >> $TEMP_NEW_USER_DIRS


	if [ "${TOKEN_DOWNLOADS}" != "" -a -e $LDM_HOME/${TOKEN_DOWNLOADS} ]; then
		mv $LDM_HOME/${TOKEN_DOWNLOADS} $LDM_HOME/${DOWNLOADS_LOCALE}
	fi
	if [ ! -e $LDM_HOME/${DOCUMENTS_LOCALE} ]; then
		mkdir $LDM_HOME/${DOWNLOADS_LOCALE}
		chown $LDM_USERNAME:$GRP_USER $LDM_HOME/${DOWNLOADS_LOCALE}
		chmod 755 $LDM_HOME/${DOWNLOADS_LOCALE}
	fi
	echo "TOKEN_DOWNLOADS=\"$DOWNLOADS_LOCALE\"" >> $TEMP_NEW_USER_DIRS


	if [ -e $LDM_HOME/${SHARE_LOCALE} ]; then
                rm -rf $LDM_HOME/${SHARE_LOCALE}
		if [ ! -z "$TOKEN_SHARE" -a -e $LDM_HOME/${TOKEN_SHARE} ]; then
			rm -rf $LDM_HOME/${TOKEN_SHARE}
		fi
        fi
	echo "TOKEN_SHARE=\"$SHARE_LOCALE\"" >> $TEMP_NEW_USER_DIRS
	
	if [ -e $LDM_HOME/${SHARETEACHERS_LOCALE} ]; then
		rm -rf $LDM_HOME/${SHARETEACHERS_LOCALE}
		if [ ! -z "$SHARETEACHERS_TOKEN" -a -e $LDM_HOME/${SHARETEACHERS_TOKEN} ]; then
	        	rm -rf $LDM_HOME/${SHARETEACHERS_TOKEN} 
		fi
	fi
	echo "TOKEN_SHARETEACHERS=\"$SHARETEACHERS_LOCALE\"" >> $TEMP_NEW_USER_DIRS
	
	if [ -e $LDM_HOME/"$GROUPSSHARE_LOCALE" ]; then
		rm -rf  $LDM_HOME/"$GROUPSSHARE_LOCALE"
		    if [ ! -z "$TOKEN_GROUPSSHARE" -a -e $LDM_HOME/${TOKEN_GROUPSSHARE} ]; then
		      	rm -rf $LDM_HOME/${TOKEN_GROUPSSHARE}
	    	    fi
	fi

	chown $USER:$GRP_USER ~/${GROUPSSHARE_LOCALE}
	echo "TOKEN_GROUPSSHARE=\"$GROUPSSHARE_LOCALE\"" >> $TEMP_NEW_USER_DIRS
	

	
	if [ -d "/net/server-sync/home/$GRP_USER/$LDM_USERNAME/Desktop" ]; then
	    { ln -s /net/server-sync/home/$GRP_USER/$LDM_USERNAME/Desktop $LDM_HOME/${DESKTOP_LOCALE} ; echo "Creando enlace del desktop" >> /tmp/home_linker.log ;} || true
		echo "Ok enlace del desktop" >> /tmp/home_linker.log
	else
		echo "No existe el directorio Desktop" >> /tmp/home_linker.log
	fi

	if [ -d "/net/server-sync/home/$GRP_USER/$LDM_USERNAME/Documents" ]; then
	    { ln -s /net/server-sync/home/$GRP_USER/$LDM_USERNAME/Documents $LDM_HOME/${DOCUMENTS_LOCALE} ; echo "creando enlace de documents" >> /tmp/home_linker.log ;} || true
		echo "Ok enlace de documents" >> /tmp/home_linker.log
	else
		echo "No existe el directorio Documents" >> /tmp/home_linker.log
	fi

	if [ -d "/net/server-sync/share" ] ; then
	    { ln -s /net/server-sync/share $LDM_HOME/${SHARE_LOCALE} ; echo "Creando enlace de share" >> /tmp/home_linker.log ;} || true
		echo "Ok enlace de share" >> /tmp/home_linker.log
	else
		echo "No existe el directorio Share" >> /tmp/home_linker.log
	fi
	
	if [ -d "/net/server-sync/groups_share" ] ; then
	    { ln -s /net/server-sync/groups_share $LDM_HOME/${GROUPSSHARE_LOCALE} ; echo "Creando enlace de group_share" >> /tmp/home_linker.log ;} || true
		echo "Ok enlace de share" >> /tmp/home_linker.log
	else
		echo "No existe el directorio Share" >> /tmp/home_linker.log
	fi

	
	if [ "$GRP_USER" = "teachers" ]; then
		if [ -d /net/server-sync/teachers_share ]; then
			{ ln -s /net/server-sync/teachers_share $LDM_HOME/${SHARETEACHERS_LOCALE} ; echo "Creando enlace de share_teachers" >> /tmp/home_linker.log ;} || true
			echo "Ok enlace de share_teachers"  >> /tmp/home_linker.log
		else
			echo "No existe el directorio Share_teachers" >> /tmp/home_linker.log
		fi
		if [ -d /net/server-sync/home/students/ ]; then
			{ ln -s /net/server-sync/home/students/ $LDM_HOME/alum ; echo "Creando enlace de alum" >> /tmp/home_linker.log ;} || true
			echo "OK enlace de alum" >> /tmp/home_linker.log
		else
			echo "No existe el directorio students" >> /tmp/home_linker.log
		fi
	fi
	mv ${TEMP_NEW_USER_DIRS} ${LAST_LOGIN_DIRECTORIES}


	cat > $USER_DIRS << EOF
# This file is written by xdg-user-dirs-update
# If you want to change or add directories, just edit the line you're
# interested in. All local changes will be retained on the next run
# Format is XDG_xxx_DIR="\$HOME/yyy", where yyy is a shell-escaped
# homedir-relative path, or XDG_xxx_DIR="/yyy", where /yyy is an
# absolute path. No other format is supported.
# 
XDG_DESKTOP_DIR="\$HOME/$DESKTOP_LOCALE"
XDG_DOWNLOAD_DIR="\$HOME/$DOWNLOADS_LOCALE"
XDG_DOCUMENTS_DIR="\$HOME/$DOCUMENTS_LOCALE"
EOF
	chmod 600 $USER_DIRS
	chown $LDM_USERNAME:$GRP_USER $USER_DIRS
}


if ! boolean_is_true "$LTSP_FATCLIENT"; then
        ssh -S ${LDM_SOCKET} ${LDM_SERVER} sudo /etc/lightdm/PreSession.d/home-linker ${LDM_USERNAME}
else

	home_linker

	echo "" >> /tmp/home_linker.log
	echo "AFTER HOME LINKER" >> /tmp/home_linker.log
	tree $LDM_HOME >> /tmp/home_linker.log
	echo "" >> /tmp/home_linker.log
	cat $LDM_HOME/.config/user-dirs.created >> /tmp/home_linker.log
	echo "" >> /tmp/home_linker.log
	cat $LDM_HOME/.config/user-dirs.dirs >> /tmp/home_linker.log
	echo "" >> /tmp/home_linker.log
	echo "END X98Home Linker" >> /tmp/home_linker.log

fi