#!/bin/bash

## Quick shell script to be initiated by the wireless button on laptop
## Will be run with command "gksudo SCRIPTNAME"


########################
## Defining Variables ##
########################

statusfile=/etc/wireless-status
version=TogglEd-0.3


########################
## Defining Functions ##
########################

function enablewireless {
	chmod 777 /proc/acpi/acer/wireless	##gksudo/sudo not necessarily transportable over all systems
	echo "enabled : 1" > /proc/acpi/acer/wireless
}

function disablewireless {
	chmod 777 /proc/acpi/acer/wireless       ##gksudo/sudo not necessarily transportable over all systems
        echo "enabled : 0" > /proc/acpi/acer/wireless
}

function updatestatuson {
	echo "Wireless ON" > "$statusfile"
	zenity --info --title="$version" --text="Wireless has been enabled"
}

function updatestatusoff {
	echo "Wireless OFF" > "$statusfile"
	zenity --info --title="$version" --text="Wireless has been disabled"
}

function Error {
	zenity --error --title="$version" --text="Something is wrong with $statusfile"
}


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


#if no statusfile, turn on wireless
if [ ! -e $statusfile ] ; then
	zenity --error --title="$version" --text="Something is wrong with $statusfile"
	enablewireless
	updatestatuson
fi

#check status and act accordingly
read line < "$statusfile"

if [ "$line" == "Wireless ON" ] ; then
	DisableWireless
	updatestatusoff

elif [ "$line" == "Wireless OFF" ] ; then
	enablewireless
	updatestatuson

else Error

fi