#!/bin/bash
# called as:
# ./run in ans feedback_dir [additional arguments] < out [> interactive_input]
input=$1
answer=$2
feedbackdir=$3

# relevant files in feedback_dir:
# teammessage.txt (not in use for ICPC contests)
judgemessage=${feedbackdir}judgemessage.txt

# cd to this script directory
scriptdir=${0%/*}

#echo STDOUT
#echo STDERR >&2

# return value:
AC=42
WA=43

# copy stdin to tempfile, so that we can reuse it
output=$(mktemp -p /tmp "BAPC-preliminaries-F-XXXXXX")
cat > $output

# returns 0 on success, 1 on failure
$scriptdir/grammar < $output 1>> $judgemessage 2>&1
retcode=$?
if [ "$retcode" = "43" ] ; then
	echo "GRAMMAR CHECK FAILED. See above for details." >> $judgemessage
	echo "GRAMMAR CHECK FAILED."
	exit $WA
fi
if [ "$retcode" != "42" ] ; then
	echo "Unexpected return code from grammar check!" >> $judgemessage
	echo "Unexpected return code from grammar check!"
	# not WA; 1 here indicates an error in the checker script itself
	exit 43
fi

# Now check the validity of the output
$scriptdir/output_validator $input $answer < $output >> $judgemessage 2>&1
retcode=$?
if [ "$retcode" = "43" ] ; then
	echo "VALIDATOR CHECK FAILED. See above for details." >> $judgemessage
	echo "VALIDATOR CHECK FAILED."
	exit $WA
fi

if [ "$retcode" != "42" ] ; then
	echo "Unexpected return code from output validator!" >> $judgemessage
	echo "Unexpected return code from output validator!"
	# not WA; 1 here indicates an error in the checker script itself
	exit 43
fi

exit $AC