#!/bin/bash
log(){
	echo -n "$1:" >>/tmp/log 
	shift
	echo "$@" >>/tmp/log
}
LNG="$(set | grep GDM_LANG |sed -e "s#GDM_LANG=\(.*\)#\1#g;s#\(.*\)\.\(.*\)#\1#")"
#log LNG $LNG
TEXTDOMAIN="xdg-user-dirs"
export TEXTDOMAIN

USER_FILES="$HOME/UserFiles"
USER_FILES_TOKEN_DIR="$HOME/.config/lliurex-tokens/"
ETC_USER_FILES="/etc/skel/UserFiles"

netUserFiles()
{
	GRP_USER="$(id -ng $USER_NAME)"
	NET_HOME="/net/home/$GRP_USER/$USERNAME"
	[ -w "$NET_HOME" ] || return 0
	[ -d "$NET_HOME/UserFiles" ] || mkdir $NET_HOME/UserFiles
	[ -d "$NET_HOME/Desktop" ] || mkdir $NET_HOME/Desktop
	if [ -d "$HOME/UserFiles" -a ! -L "$HOME/UserFiles" ]; then 
		rsync -rltD --backup --suffix=".$(date +%F_%R)" $HOME/UserFiles $NET_HOME/
		rm -rf $HOME/UserFiles
	fi
	if [ -d "$HOME/Desktop" -a ! -L "$HOME/Desktop" ]; then
		rsync -rltD --backup --suffix=".$(date +%F_%R)" $HOME/Desktop $NET_HOME/
		rm -rf $HOME/Desktop 
	fi
	[ -L "$USER_FILES" ] || ln -s $NET_HOME/UserFiles	$HOME/UserFiles
	[ -L "$HOME/Desktop" ] || ln -s $NET_HOME/Desktop	$HOME/Desktop
}

create_user_dirs()
{
	[ -d $HOME/.config ] || mkdir -p $HOME/.config
	cat <<EOF > $HOME/.config/user-dirs.dirs
XDG_DESKTOP_DIR="$HOME/Desktop"
XDG_DOWNLOAD_DIR="$HOME/$(LANGUAGE="$LNG" gettext "Downloads")"
XDG_TEMPLATES_DIR="$HOME/$(LANGUAGE="$LNG" gettext "Templates")"
XDG_PUBLICSHARE_DIR="$HOME/$(LANGUAGE="$LNG" gettext "Public")"
XDG_DOCUMENTS_DIR="$HOME/$(LANGUAGE="$LNG" gettext "Documents")"
XDG_MUSIC_DIR="$HOME/$(LANGUAGE="$LNG" gettext "Music")"
XDG_PICTURES_DIR="$HOME/$(LANGUAGE="$LNG" gettext "Pictures")"
XDG_PHOTOS_DIR="$HOME/$(LANGUAGE="$LNG" gettext "Photos")"
XDG_VIDEOS_DIR="$HOME/$(LANGUAGE="$LNG" gettext "Videos")"
XDG_SHARE_DIR="$HOME/$(LANGUAGE="$LNG" gettext "Share")"
XDG_GROUPS_DIR="$HOME/$(LANGUAGE="$LNG" gettext "Groups")"
EOF

}

remove_old_links()
{
	ARRAY_LINKS=$1
	for i in $ARRAY_LINKS; do
		#log 'i' $i
		[ -h "$i" ] && rm -f "$i"
	done
}

create_link() {
	if [ -d "$USER_FILES/$1" ]; then
		log "creating link" "$UserFiles/$1" 
		ln -s "$USER_FILES/$1" "$(LANGUAGE="$LNG" gettext "$1")"
		modify_bookmark "$1" "$2"
	fi
}

# Name :check_and_make_dir
# Function : This function check directory exist by other way create directory
# Arguments : directory_path
check_and_make_dir()
{
	NAMDIR="$1"
	[ -d $1 ] || mkdir $1
}

create_nonuserfiles_link() {
	local NAMDIR
	check_and_make_dir $1
	NAMDIR=$(basename $1)
	TRNAMDIR=$(LANGUAGE="$LNG" gettext "$NAMDIR")
	if [ ! -e "$TRNAMDIR" ]; then 
		#log "creating link" "$UserFiles/$1" 
		ln -s "$NAMDIR" "$TRNAMDIR"
		modify_bookmark "$NAMDIR" "$2"
	fi
}

set_lang(){
	echo $LNG > $HOME/.config/user-dirs.locale
}

escape(){
	echo -n "$1" | perl -pe's/([^-_.~A-Za-z0-9])/sprintf("%%%02X", ord($1))/seg'
}

modify_bookmark(){
	LOCALIZED="file://$HOME/$(escape "$(LANGUAGE="$LNG" gettext "$1")")"
	#log LOCALIZED "$LOCALIZED"
	OLD="file://$(escape "$2"|sed 's#%2F#/#g')"
	sed -i -e "\#^$OLD#d" "$HOME/.gtk-bookmarks"
	echo $LOCALIZED >> "$HOME/.gtk-bookmarks"
	#log OLD "$OLD"
	cat "$HOME"/.gtk-bookmarks |sort -u >"$HOME"/.gtk-bookmarks.bak
	mv -f "$HOME"/.gtk-bookmarks.bak  "$HOME"/.gtk-bookmarks
}

create_trash(){
	ALTERN=$(readlink /etc/alternatives/x-session-manager)
	if [ "$GDMSESSION" = "LXDE" -o "$DESKTOP_SESSION" = "LXDE" -o "$ALTERN" = "/usr/bin/startlxde" ]; then
		if [ ! -d "$HOME/Desktop" ]; then
			mkdir "$HOME/Desktop"
		fi
		if [ ! -e "$HOME/Desktop/pcmanfm-trash.desktop" ]; then
			cp /usr/share/pcmanfm/pcmanfm-trash.desktop "$HOME/Desktop/"
		fi
	fi
	if  [ "$GDMSESSION" = "gnome" -o "$DESKTOP_SESSION" = "gnome" ]; then
			rm -f "$HOME/Desktop/pcmanfm-trash.desktop"
	fi
}

create_userfiles_directories()
{
	# Check all /etc/skel/UserFiles subdirectories
	# and create on $HOME/UserFiles if needed.
	[ -d "$USER_FILES_TOKEN_DIR" ] || mkdir -p "$USER_FILES_TOKEN_DIR"
	for d in $(ls -1 "$ETC_USER_FILES") ; do
		if [ ! -e "$USER_FILES_TOKEN_DIR/$d" ] ; then
			mkdir -p "$USER_FILES/$d"
			touch "$USER_FILES_TOKEN_DIR/$d"
			echo "mkdir -p "$USER_FILES/$d"">>"$USER_FILES_TOKEN_DIR/$d"
		fi
	done
	
}


# ################ Main ###################

create_userfiles_directories

[ -f "$HOME/.config/user-dirs.dirs" ] || create_user_dirs

. $HOME/.config/user-dirs.dirs

LLX_XDG_LINKS="$XDG_TEMPLATES_DIR $XDG_PUBLICSHARE_DIR $XDG_DOCUMENTS_DIR $XDG_MUSIC_DIR $XDG_PICTURES_DIR $XDG_PHOTOS_DIR $XDG_VIDEOS_DIR $XDG_SHARE_DIR $XDG_GROUPS_DIR"

#Create net UserFiles for users with local home but they are net users
netUserFiles
#log "LLX_XDG_LINKS" $LLX_XDG_LINKS
remove_old_links "${LLX_XDG_LINKS}"

#create_link Desktop $XDG_DESKTOP_DIR
create_link Templates $XDG_TEMPLATES_DIR
create_link Public $XDG_PUBLICSHARE_DIR
create_link Documents $XDG_DOCUMENTS_DIR
create_link Music $XDG_MUSIC_DIR
create_link Pictures $XDG_PICTURES_DIR
create_link Photos $XDG_PHOTOS_DIR
create_link Videos $XDG_VIDEOS_DIR
create_link Share $XDG_SHARE_DIR
create_link Groups $XDG_GROUPS_DIR

LLX_XDG_LINKS_NONUSERFILES="$XDG_DOWNLOAD_DIR"
remove_old_links "${LLX_XDG_LINKS_NONUSERFILES}"

create_nonuserfiles_link Downloads "$XDG_DOWNLOAD_DIR"

create_user_dirs
create_trash

set_lang

exit 0