#!/bin/sh
#
# Script to facilitate setting the 
# date and time on the Ben NanoNote
# Copyright 2011 by Warren "Freemor" Pattison 
# 
# 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 3 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, see <http://www.gnu.org/licenses/>.

# First we set up a few things

VERSION="0.0.5"
BACKTITLE="Ben NanoNote Time/Date Utility"
TIMEZONE=""
#DATEFORMAT="%Y%m%d"
#TIMEFORMAT="%H%M"

# Check For the dialog program

if [ ! -e /usr/bin/dialog ]; then
   echo "We need the dialog program to do this nicely."
   echo "please install it with:"
   echo "opkg install dialog"
   echo
   echo "and try again..."
   exit 1
fi

# Intro and Instructions

dialog --backtitle "$BACKTITLE" --cr-wrap --trim --msgbox "Use this utility to set the time, date\n\
and timezone on your NanoNote.\n\n\
Use the TAB key to move between fields.\n\
use the directional pad to set the value.\n" 0 0 

# Set Timezone first as that requires a reboot

TZ=`date +%Z`

# Is timezone right?

dialog --backtitle "$BACKTITLE" --yesno "Timezone is: "$TZ" \nIs this correct?" 0 0
if [ "$?" != "0" ]; then
   ## No? Fetch, Then set it and reboot
   ## dialog 
   ## Set the Timezone
   ## uci set system.@system[0].timezone=$TIMEZONE
   ## uci commit system

   ## Tell the User we need to reboot
   ## dialog --backtitle "$BACKTITLE" --
   exit 1
fi

# Get the Date

dialog --backtitle "$BACKTITLE" --calendar "Set the date" 0 0 2>/tmp/time

# Exit if user chose to cancel
if [ "$?" != "0" ]; then
   exit 1
fi

# Get the Time

dialog --backtitle "$BACKTITLE" --timebox "Set the time" 0 0 2>>/tmp/time

# Exit if user chose to cancel
if [ "$?" != "0" ]; then
   exit 1
fi

# Format the input

DAY=`cut -s -f1 -d '/' /tmp/time`
MONTH=`cut -s -f2 -d '/' /tmp/time`
YEAR=`cut -s -f3 -d '/' /tmp/time`
HOURS=`cut -s -f1 -d ':' /tmp/time`
MINUTES=`cut -s -f2 -d ':' /tmp/time`

SET=$YEAR$MONTH$DAY$HOURS$MINUTES

echo $SET


# Set and apply to internal clock

date $SET
hwclock --systohc --utc
dialog --backtitle "$BACKTITLE" --infobox "The time and date have now been\nset and saved.\n\nenjoy" 0 0


# Clean Up

rm /tmp/time