aa

#!/bin/bash

# Scripts to work with AAISP APIs.

## Get the set variables
. ./aavars

## Returns all of its arguments except the first.
## This is useful for writing subcommands.
rest() {
	echo "${@:2}"
}

showhelp() {
	echo "$0: Usage:"
	echo " $0 sms  - SMS api"
	echo " $0 broadband  - broadband lookups"
	echo " $0 voip - VoIP lookups"
	echo " $0 bill - billing"
}

sms() {
	echo "Not implemented yet, sorry"
}

broadband() {
	case $1 in
		"quota"|q)
			broadband_quota $(rest $@)
			;;
		*)
			broadband_help
			;;
	esac
}	

broadband_help() {
	echo "$0 broadband: Usage:"
	echo " $0 broadband quota: show remaining quota on line"
}
		

broadband_quota() {

	## Find the monthly quota remaining on a broadband line.

	## Find days left in current month, which is approximately
	## presumed to be the quota reset cycle. This is true for 
	## my case, so maybe others. Dangerous words.
	MONTH=`date +%m`
	YEAR=`date +%Y`
	DAYSINMONTH=`cal $MONTH $YEAR | egrep -v '[A-Za-z]' | wc -w`
	CURRENTDAY=`date +%d`

	## Quota in kB from AAISP API call
	QUOTA_REMAINING="$(http https://chaos2.aa.net.uk/broadband/quota "control_login==$CONTROL_LOGIN" "control_password==$CONTROL_PASS" | jq --raw-output '.quota[0].quota_remaining')"

	## Calculate quota in meaningful units
	let "QUOTA_REMAINING_GB = $QUOTA_REMAINING / (1000*1000*1000)"
	let "DAYS_REMAINING = $DAYSINMONTH - $CURRENTDAY"
	let "PERDAY = $QUOTA_REMAINING_GB / DAYS_REMAINING"

	## Report the results
	echo $QUOTA_REMAINING_GB GB for $DAYS_REMAINING days -- $PERDAY GB per day.
}
case $1 in
	"sms")
		sms $(rest $@)
		;;
	"bb")
		broadband $(rest $@)
		;;
	*)
		showhelp
		;;
esac