/*

 * Copyright 2013-2022 Step Function I/O, LLC

 *

 * Licensed to Green Energy Corp (www.greenenergycorp.com) and Step Function I/O

 * LLC (https://stepfunc.io) under one or more contributor license agreements.

 * See the NOTICE file distributed with this work for additional information

 * regarding copyright ownership. Green Energy Corp and Step Function I/O LLC license

 * this file to you under the Apache License, Version 2.0 (the "License"); you

 * may not use this file except in compliance with the License. You may obtain

 * a copy of the License at:

 *

 * http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#include "APDULogging.h"

#include "app/parsing/APDUHeaderParser.h"

#include "app/parsing/APDUParser.h"

#include "logging/LogMacros.h"

namespace opendnp3

{

namespace logging

{

    void LogHeader(Logger& logger, const LogLevel& flags, const APDUHeader& header)

    {

        FORMAT_LOG_BLOCK(logger, flags, "FIR: %i FIN: %i CON: %i UNS: %i SEQ: %i FUNC: %s", header.control.FIR,

                         header.control.FIN, header.control.CON, header.control.UNS, header.control.SEQ,

                         FunctionCodeSpec::to_human_string(header.function));

    }

    void LogHeader(Logger& logger, const LogLevel& flags, const APDUResponseHeader& header)

    {

        FORMAT_LOG_BLOCK(logger, flags, "FIR: %i FIN: %i CON: %i UNS: %i SEQ: %i FUNC: %s IIN: [0x%02x, 0x%02x]",

                         header.control.FIR, header.control.FIN, header.control.CON, header.control.UNS,

                         header.control.SEQ, FunctionCodeSpec::to_human_string(header.function), header.IIN.LSB,

                         header.IIN.MSB);

    }

    void ParseAndLogRequestTx(Logger& logger, const ser4cpp::rseq_t& apdu)

    {

        FORMAT_HEX_BLOCK(logger, flags::APP_HEX_TX, apdu, 18, 18);

        if (logger.is_enabled(flags::APP_HEADER_TX))

        {

            const auto result = APDUHeaderParser::ParseRequest(apdu, &logger);

            if (result.success)

            {

                LogHeader(logger, flags::APP_HEADER_TX, result.header);

                if (logger.is_enabled(flags::APP_OBJECT_TX))

                {

                    auto expectsContents = result.header.function != FunctionCode::READ;

                    APDUParser::ParseAndLogAll(result.objects, &logger,

                                               ParserSettings::Create(expectsContents, flags::APP_OBJECT_TX));

                }

            }

        }

    }

    void ParseAndLogResponseTx(Logger& logger, const ser4cpp::rseq_t& apdu)

    {

        FORMAT_HEX_BLOCK(logger, flags::APP_HEX_TX, apdu, 18, 18);

        if (logger.is_enabled(flags::APP_HEADER_TX))

        {

            const auto result = APDUHeaderParser::ParseResponse(apdu, &logger);

            if (result.success)

            {

                LogHeader(logger, flags::APP_HEADER_TX, result.header);

                if (logger.is_enabled(flags::APP_OBJECT_TX))

                {

                    APDUParser::ParseAndLogAll(result.objects, &logger,

                                               ParserSettings::Create(true, flags::APP_OBJECT_TX));

                }

            }

        }

    }

} // namespace logging

} // namespace opendnp3