// Copyright (2019-2024) Paul Scherrer Institute

#include "HDF5DataFilePluginJUNGFRAU.h"

void HDF5DataFilePluginJUNGFRAU::SetupSWMRFile(HDF5File &data_file, const DataMessage &msg) {
    if (msg.jf_info.has_value() && msg.storage_cell.has_value() && msg.receiver_aq_dev_delay.has_value())
        enable = true;
    else
        return;

    HDF5Group(data_file, "/entry/jungfrau").NXClass("NXcollection");

    HDF5DataSpace data_space_linear({2}, {H5S_UNLIMITED});
    HDF5Dcpl dcpl_linear;
    dcpl_linear.SetChunking({1});
    HDF5DataSet(data_file, "/entry/jungfrau/debug", HDF5DataType(4, false), data_space_linear, dcpl_linear).SetExtent({1});
    HDF5DataSet(data_file, "/entry/jungfrau/storageCell", HDF5DataType(2, false), data_space_linear, dcpl_linear).SetExtent({1});
    HDF5DataSet(data_file, "/entry/jungfrau/receiverDelay", HDF5DataType(4, false), data_space_linear, dcpl_linear).SetExtent({1});
}

void HDF5DataFilePluginJUNGFRAU::OpenFile(HDF5File &data_file, const DataMessage &msg) {
    if (!enable)
        return;

    data_set_jf_info = std::make_unique<HDF5DataSet>(data_file, "/entry/jungfrau/debug");
    data_set_receiver_aq_dev_delay = std::make_unique<HDF5DataSet>(data_file, "/entry/jungfrau/receiverDelay");
    data_set_storage_cell = std::make_unique<HDF5DataSet>(data_file, "/entry/jungfrau/storageCell");
}

void HDF5DataFilePluginJUNGFRAU::Write(const DataMessage &msg) {
    if (!enable
        || !msg.jf_info.has_value()
        || !msg.receiver_aq_dev_delay.has_value()
        || !msg.storage_cell.has_value())
        return;

    size_t image_number = msg.number;

    if (image_number >= max_image_number) {
        max_image_number = image_number;
        data_set_jf_info->SetExtent({max_image_number + 1});
        data_set_receiver_aq_dev_delay->SetExtent({max_image_number + 1});
        data_set_storage_cell->SetExtent({max_image_number + 1});
    }

    data_set_jf_info->WriteScalar(msg.jf_info.value(), {image_number});
    data_set_receiver_aq_dev_delay->WriteScalar(msg.receiver_aq_dev_delay.value(), {image_number});
    data_set_storage_cell->WriteScalar(msg.storage_cell.value(), {image_number});
}

void HDF5DataFilePluginJUNGFRAU::Flush() {
    if (!enable)
        return;

    data_set_jf_info->Flush();
    data_set_receiver_aq_dev_delay->Flush();
    data_set_storage_cell->Flush();
}