#!/bin/sh
set -e -u

SCRIPTNAME=termux-sms-send
show_usage () {
	echo "Usage: $SCRIPTNAME [-t <text>] <recipient-number>"
	echo "Send a SMS."
	echo ""
	echo "  -t <text>  The text to send (optional - else from stdin)"
	echo ""
	echo "If no text is specified with the -t option the text to send is read from stdin."
	exit 0
}

TEXT_TO_SEND=""
while getopts :ht: option
do
	case "$option" in
		h) show_usage;;
		t) TEXT_TO_SEND="$OPTARG";;
		?) echo "$SCRIPTNAME: illegal option -$OPTARG"; exit 1;
	esac
done
shift $(($OPTIND-1))

if [ $# = 0 ]; then echo "$SCRIPTNAME: too few arguments"; exit 1; fi
if [ $# -gt 1 ]; then echo "$SCRIPTNAME: too many arguments"; exit 1; fi

CMD="@TERMUX_API@ SmsSend --es recipient $1"
if [ -z "$TEXT_TO_SEND" ]; then
	$CMD
else
	echo $TEXT_TO_SEND | $CMD
fi