#!/bin/bash
# -------
# File:        get-xdg-desktop.sh
# Description: get-xdg-desktop backend to resolve real path of Desktop with distros >= Ubuntu gutsy
# Author:      Ignacio Vidal <vidal_joshur@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 

home=$(getent passwd $(id -u ${USER}) | head -1 | awk -F":" '{print $6}')
DESKTOP_DIR="Desktop"

if [ -r /etc/xdg/user-dirs.conf ];then

enabled=$(awk -F "=" '/^enabled=/ {print $2}' /etc/xdg/user-dirs.conf)

  if [ ! -z ${enabled} -a ${enabled} = "True" ];then

    XDG_CONFIG_HOME=$(awk -F "=" '/^XDG_CONFIG_HOME=/ {print $2}' /etc/xdg/user-dirs.conf)
    XDG_CONFIG_DIRS=$(awk -F "=" '/^XDG_CONFIG_DIRS=/ {print $2}' /etc/xdg/user-dirs.conf)

    # if not custom config-path found in /etc/xdg/users-dirs.conf use default config in users home
    [ -z ${XDG_CONFIG_HOME} ] && XDG_CONFIG_HOME="${home}/.config"
    [ -z ${XDG_CONFIG_DIRS} ] && XDG_CONFIG_DIRS="/user-dirs.dirs"

    XDG_PATH="${XDG_CONFIG_HOME}${XDG_CONFIG_DIRS}"
    
    # obtain path to real Desktop 
    [ -r ${XDG_PATH} ] && DESKTOP_DIR=$(basename $(awk -F "=" '/^XDG_DESKTOP_DIR=/ {print $2}' ${XDG_PATH} | sed s/\"//g))

    if [ -z ${DESKTOP_DIR} ];then
        # if var not specified in config try defaults dirs for var Desktop, this file only contain basenames
        [ -r /etc/xdg/user-dirs.defaults ] && DESKTOP_DIR=$(awk -F "=" '/^DESKTOP=/ {print $2}' /etc/xdg/user-dirs.defaults)
        
        # if empty var Desktop again, then is "Desktop"?
        [ -z ${DESKTOP_DIR} ] && DESKTOP_DIR="Desktop"

    fi

  fi

fi


echo ${home}/${DESKTOP_DIR}

exit 0