#!/bin/bash

MINIMODEM="${MINIMODEM-./minimodem}"
[ -f "$MINIMODEM" ] || {
    MINIMODEM="../src/minimodem"
    [ -f "$MINIMODEM" ] || {
	echo "E: cannot find minimodem in ./ or ../src/" 1>&2
	exit 1
    }
}

minimodem_tx_args="1200 $1"

textfile="testdata-ascii.txt"

TMPF="/tmp/minimodem-test-$$"
trap "rm -f $TMPF.*" 0

set -e

$MINIMODEM --tx --file $TMPF.1.wav $minimodem_tx_args < "$textfile"
sum1=$(md5sum -b < $TMPF.1.wav)
echo "$sum1 $TMPF.1.wav"

sleep 1

$MINIMODEM --tx --file $TMPF.2.wav $minimodem_tx_args < "$textfile"
sum2=$(md5sum -b < $TMPF.2.wav)
echo "$sum2 $TMPF.2.wav"

sleep 1

$MINIMODEM --tx --file $TMPF.3.wav $minimodem_tx_args < "$textfile"
sum3=$(md5sum -b < $TMPF.3.wav)
echo "$sum3 $TMPF.3.wav"

[ "$sum1" == "$sum2" ] || {
    echo -e "TX-NOT-CONSISTENT"
    exit 1
}

[ "$sum1" == "$sum3" ] || {
    echo -e "TX-NOT-CONSISTENT"
    exit 1
}

stats="$sum1"

result="OK     "
exitcode=0

echo -e "$result $stats"

exit $exitcode