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/**

 *

 * ADTF File Access example

 *

 * @file

 * Copyright © Audi Electronics Venture GmbH. All rights reserved

 *

 * $Author: voigtlpi $

 * $Date: 2014-10-31 14:01:50 +0100 (Fr, 31 Okt 2014) $

 * $Revision: 30555 $

 *

 * @remarks

 *

 */

#include <standard_adtf_file_reader.h>

#include <stdio.h>

#include <iostream>

#include <sstream>

#include <map>

void query_file_info(const std::string& filename)

{

    using namespace adtf_file;

    // open file

    adtf_file::Reader reader(filename,

                             standard_type_factories<>(),

                             standard_sample_factories<>());

    std::cout << "File: " << filename << std::endl;

    uint32_t version = reader.GetFileVersion();

    std::string strADTFVersion("ADTF 3 and higher");

    if (version < ifhd::v400::g_nVersionId)

    {

        strADTFVersion = "below ADTF 3";

    }

    std::cout << std::endl << "File Header" << std::endl;

    std::cout << "------------------------------------------------------------------------------" << std::endl;

    std::cout << "File version      : " << reader.GetFileVersion() << " - " << strADTFVersion << std::endl;

    std::cout << "Date              : " << reader.GetDateTime().Format("%d.%m.%y - %H:%M:%S") << std::endl;

    std::cout << "Duration          : " << reader.GetDuration().count() << std::endl;

    std::cout << "Short description : " << get_short_description(reader.GetDescription()) << std::endl;

    std::cout << "Long description  : " << get_long_description(reader.GetDescription()) << std::endl;

    std::cout << "Chunk count       : " << reader.GetItemCount() << std::endl;

    std::cout << "Extension count   : " << reader.GetExtensions().size() << std::endl;

    std::cout << "Stream count      : " << reader.GetStreams().size() << std::endl;

    std::cout << std::endl << "Streams" << std::endl;

    std::cout << "------------------------------------------------------------------------------" << std::endl;

	std::cout << " ------ getStreamItem -------- \n" << std::endl;

	auto fileItem_ = reader.GetNextItem();

	std::cout << "Chunk count       : " << fileItem_.stream_id   << std::endl;

	std::cout << "Extension count   : " << fileItem_.stream_item.get() << std::endl;

	std::cout << "Stream count      : " << fileItem_.time_stamp.count()  << std::endl;

	auto type = std::dynamic_pointer_cast< const ::adtf_file::StreamType >(fileItem_.stream_item);

	auto data = std::dynamic_pointer_cast< const ::adtf_file::Sample >(fileItem_.stream_item);

	auto trigger = std::dynamic_pointer_cast< const ::adtf_file::Trigger >(fileItem_.stream_item);

	auto sample_data = std::dynamic_pointer_cast< const ::adtf_file::DefaultSample >(data);

	int a = 0;

	auto timee = sample_data->GetTimeStamp().count();

	int b = 0;

	std::cout << " ------ getStreamItem -------- \n" << std::endl;

	auto streamExtend = reader.GetExtensions();

    for (const auto& currentExtend : streamExtend)

	{

		std::cout << "------------------------------------------------------------------------------ :" << std::endl;

		std::cout << "New Extension :" << std::endl;

		std::cout << "name       :" << currentExtend.name << std::endl;

		std::cout << "data_size  :"  << currentExtend.data_size << std::endl;		

		std::cout << "stream_id  :"  << currentExtend.stream_id << std::endl;

		std::cout << "type_id    :"  << currentExtend.type_id << std::endl;

		std::cout << "user_id    :"  << currentExtend.user_id << std::endl;

		std::cout << "version_id :"  << currentExtend.version_id << std::endl;

	}

    auto streams = reader.GetStreams();

    for (const auto& current_stream : streams)

    {

        auto property_stream_type = std::dynamic_pointer_cast<const PropertyStreamType>(current_stream.initial_type);

        if (property_stream_type)

        {

            std::string stream_meta_type = property_stream_type->GetMetaType();      

            std::cout << "Stream #" << current_stream.stream_id << " : " << current_stream.name << std::endl;

            std::cout << "    MetaType       : " << stream_meta_type << std::endl;

            property_stream_type->IterateProperties(

                [&](const char* name, 

                const char* type,

                const char* value) -> void

                {

                    std::cout << "        " << name << " - " << value << std::endl;

                });

        }

    }

}

class StreamsInfo 

{

    typedef std::map<uint16_t, std::chrono::microseconds> LastTimesMap;

    typedef std::map<uint16_t, std::string> StreamNameMap;

    public:

        StreamsInfo(adtf_file::Reader& reader)

        {

            auto streams = reader.GetStreams();

            for (auto current_stream : streams)

            {

                m_mapStreamName[current_stream.stream_id] = current_stream.name;

                UpdateType(current_stream.stream_id, current_stream.initial_type);

            }

        }

        ~StreamsInfo() = default;

       std::string GetDiffToLastChunkTime(const uint16_t& stream_id, const std::chrono::microseconds& tmCurrentTime)

        {

            return GetLastTimeStamp(m_mapLastChunkTime, stream_id, tmCurrentTime);

        }

        std::string GetDiffToLastSampleStreamTime(const uint16_t& stream_id, const std::chrono::microseconds& tmCurrentTime)

        {

            return GetLastTimeStamp(m_mapLastStreamTime, stream_id, tmCurrentTime);

        }

        std::string GetStreamName(const uint16_t& stream_id)

        {

            return m_mapStreamName[stream_id];

        }

        void UpdateType(const uint16_t& stream_id, const std::shared_ptr<const adtf_file::StreamType>& type)

        {

            auto property_stream_type = std::dynamic_pointer_cast<const adtf_file::PropertyStreamType>(type);

            if (property_stream_type)

            {

                 m_mapStreamMetaType[stream_id] = property_stream_type->GetMetaType();

            }

        }

        std::string GetLastStreamMetaType(const uint16_t& stream_id)

        {

            return m_mapStreamMetaType[stream_id];

        }

    private:

        std::string GetLastTimeStamp(LastTimesMap& mapLastTimes,

                                                   const uint16_t& stream_id,

                                                   const std::chrono::microseconds& tmCurrentTime)

        {

            std::chrono::microseconds tmResult(-1);

            LastTimesMap::iterator it = mapLastTimes.find(stream_id);

            if (it != mapLastTimes.end())

            {

                tmResult = tmCurrentTime - it->second;

                it->second = tmCurrentTime;

            }

            else

            {

                if (tmCurrentTime.count() != -1)

                {

                    mapLastTimes[stream_id] = tmCurrentTime;

                }

            }

            if (tmResult.count() >= 0)

            {

                return a_util::strings::format("%lld", tmResult.count());

            }

            else

            {

                return "";

            }

        }

        LastTimesMap m_mapLastChunkTime;

        LastTimesMap m_mapLastStreamTime;

        StreamNameMap m_mapStreamName;

        StreamNameMap m_mapStreamMetaType;

};

void access_file_data(const std::string& filename, const std::string& csv_file_path)

{

    using namespace adtf_file;

    StandardReader reader (filename);

    StreamsInfo stream_info(reader);

    std::cout << std::endl << "File data" << std::endl;

    std::cout << "------------------------------------------------------------------------------" << std::endl;

    utils5ext::cFile csv_file;

    csv_file.Open(csv_file_path, utils5ext::cFile::OM_Append | utils5ext::cFile::OM_Write);

    // set the labels

    csv_file.WriteLine("stream;stream_name;chunk_type;stream_type;chunk_time;samplestream_time;chunk_time_delta_to_lastofstream;samplestream_time_delta_to_lastofstream");

    size_t item_count = 0;

    for (;; ++item_count)

    {

        try

        {

            auto item = reader.GetNextItem();

            std::chrono::microseconds chunk_time = item.time_stamp;

            std::string chunk_type;

            auto type = std::dynamic_pointer_cast<const StreamType>(item.stream_item);

            auto data = std::dynamic_pointer_cast<const Sample>(item.stream_item);

            auto trigger = std::dynamic_pointer_cast<const Trigger>(item.stream_item);

            std::chrono::microseconds sample_time(-1);

            std::string sample_time_string("");

            if (type)

            {

                //the type change is part of the 

                chunk_type = "stream_type";

                stream_info.UpdateType(item.stream_id,

                                       type);

            }

            else if (data)

            {

                chunk_type = "sample";

                auto sample_data = std::dynamic_pointer_cast<const DefaultSample>(data);

                if (sample_data)

                {

                    sample_time = sample_data->GetTimeStamp();

                    sample_time_string = a_util::strings::format("%lld", sample_time.count());

                }

            }

            else if (trigger)

            {

                chunk_type = "trigger";

            }

            csv_file.WriteLine(a_util::strings::format("%d;%s;%s;%s;%lld;%s;%s;%s",

                static_cast<int>(item.stream_id),

                stream_info.GetStreamName(item.stream_id).c_str(),

                chunk_type.c_str(),

                stream_info.GetLastStreamMetaType(item.stream_id).c_str(),

                chunk_time.count(),

                sample_time_string.c_str(),

                stream_info.GetDiffToLastChunkTime(item.stream_id, chunk_time).c_str(),

                stream_info.GetDiffToLastSampleStreamTime(item.stream_id, sample_time).c_str()

                ));

        }

        catch (const exceptions::end_of_file&)

        {

            break;

        }

    }

    csv_file.Close();

}

int main(int argc, char* argv[])

{

    if (argc < 3 || argv[1] == NULL || argv[2] == NULL)

    {

        std::cout << "usage: " << argv[0] << " DAT-File CSV-File"  << std::endl;

        return -1;

    }

    std::string strWorkingFile = argv[1];

    try

    {

        query_file_info(strWorkingFile);

    }

    catch (const std::exception& ex)

    {

        std::cout << "could not query info of file " << argv[1] << std::endl;

        std::cout << ex.what() << std::endl;

        return -2;

    }

    try

    {

        access_file_data(strWorkingFile, argv[2]);

    }

    catch (const std::exception& ex)

    {

        std::cout << "could not access data of file " << argv[1] << std::endl;

        std::cout << ex.what() << std::endl;

        return -2;

    }

    return 0;

}