#!/bin/sh
# -*- coding: utf-8 -*-
# $Id: kumir-version.in 6041 2010-11-17 22:03:39Z cher $
# Copyright (c) 2010 Alexander Chernov <cher@ejudge.ru>

LANG_CONFIG_DIR="/home/judges/compile/conf/lang.d"

common_config() {
  echo 'long_name="Kumir"'
  echo 'src_sfx=".kum"'
  echo 'arch="linux-shared"'
}

failure() {
  rm -f conftest*
  echo 'version='
  echo 'arg="'"${arg}"'"'
  common_config
  echo 'KUMIRPATH=/bin/false'
  [ "${verbose}" = 1 ] && echo "no" >&2
  exit 1
}

unset LANG
unset LC_ALL
unset LC_MESSAGES
unset LANGUAGE

if [ x"$1" = x-v ]
then
  verbose=1
  shift
fi

# recheck the language
if [ x"$1" = x-r ]
then
  arg="$2"
  [ x"$2" != x ] && kumir="$2"
  [ "${kumir}" = "" ] && kumir="ckumir"

  [ "${verbose}" = 1 ] && echo -n "checking whether Kumir is available..." >&2
  "${kumir}" --help >/dev/null 2>&1 || failure
#  version=`"${python}" -V 2>&1 | gawk '{ print $2; }'` || failure
#  [ "${version}" != "" ] || failure
  version=unknown
  KUMIRPATH=`which "${kumir}"` || failure
  [ "${KUMIRPATH}" != "" ] || failure
  cat << __END__ > conftest.kum
алг тест
нач
вывод "OK", нс
кон
__END__
  chmod +x ./conftest.kum || failure
  "${KUMIRPATH}" --run --program-encoding=UTF-8 ./conftest.kum >/dev/null 2>&1 || failure

  rm -f ./conftest*
  echo 'version="'"${version}"'"'
  echo 'arg="'"${arg}"'"'
  common_config
  echo 'secure=1'
  echo 'KUMIRPATH="'"${KUMIRPATH}"'"'
  [ "${verbose}" = 1 ] && echo "yes, ${KUMIRPATH}, ${version}" >&2
  exit 0
fi

if [ x"$1" = x-l ]
then
  echo "Kumir [http://www.niisi.ru/kumir/index.htm]"
  exit 0
fi

[ "${EJUDGE_LANG_CONFIG}" = "" ] && EJUDGE_LANG_CONFIG="${LANG_CONFIG_DIR}/kumir.cfg"

if [ -f "${EJUDGE_LANG_CONFIG}" ]
then
  . "${EJUDGE_LANG_CONFIG}"
else
  KUMIRPATH="/usr/local/bin/ckumir"
fi

if [ x"${KUMIRPATH}" = x -o x"${KUMIRPATH}" = x/bin/false ]
then
  echo "This language is not supported." >&2
  exit 1
fi

if [ x"$1" = x-p ]
then
    echo "${KUMIRPATH}"
    exit 0
fi

"${KUMIRPATH}" --help 2>/dev/null >/dev/null || exit 1
    
[ x"$1" = x-f ] && echo -n "Kumir "

echo "(unknown version)"
#"${KUMIRPATH}" -V 2>&1 | gawk '{ print $2; }'