#!/bin/bash

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

test_perfect=0
[ "$1" = "-P" ] && {
    test_perfect=1
    shift
}

[ $# -ge 2 ] || {
    echo "usage: self-test [-P] textfile minimodem_args" 1>&2
    exit 1
}
textfile="$1"
shift
minimodem_args="$*"

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

set -e
#echo
#echo "$MINIMODEM ... $minimodem_args < $textfile"

$MINIMODEM --tx -T 1 --file $TMPF.wav $minimodem_args < "$textfile"

# cp $TMPF.wav /tmp/x.wav

$MINIMODEM --rx --file $TMPF.wav $minimodem_args \
	> $TMPF.out 2> $TMPF.err || {
    cat $TMPF.err
    exit 1
}

cmp "$textfile" $TMPF.out

{
    read xlitcarrier
    read xlithashes xlitnocarrier stats
} < $TMPF.err


result="OK       "
exitcode=0

[ $test_perfect -eq 1 ] && {
    match="confidence=inf .* (rate perfect)"
    if grep -q "$match" $TMPF.err
    then
	result="PERFECT  "
    else
	result="IMPERFECT"
	exitcode=1
    fi
}

echo -e "$result  $stats"

exit $exitcode