// SPDX-FileCopyrightText: 2025 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
// SPDX-License-Identifier: GPL-3.0-only

#include <catch2/catch_all.hpp>

#include <fstream>

#include "../writer/HDF5Objects.h"
#include "../receiver/JFJochReceiverService.h"
#include "../writer/StreamWriter.h"
#include "../image_pusher/HDF5FilePusher.h"
#include "../image_puller/TestImagePuller.h"

TEST_CASE("JFJochReceiverLite", "[JFJochReceiver]") {
    Logger logger("JFJochIntegrationTest_ZMQ_lysozyme_spot_and_index");

    RegisterHDF5Filter();

    const uint16_t nthreads = 4;

    DiffractionExperiment experiment(DetDECTRIS(2068, 2164, "Test", {}));

    experiment.ImagesPerTrigger(5).NumTriggers(1).UseInternalPacketGenerator(true).ImagesPerFile(2)
            .FilePrefix("lyso_test_lite").JungfrauConvPhotonCnt(false).SetFileWriterFormat(
                    FileWriterFormat::NXmxVDS).OverwriteExistingFiles(true)
            .DetectorDistance_mm(75).BeamY_pxl(1136).BeamX_pxl(1090).IncidentEnergy_keV(12.4)
            .SetUnitCell(UnitCell{.a = 36.9, .b = 78.95, .c = 78.95, .alpha =90, .beta = 90, .gamma = 90});
    PixelMask pixel_mask(experiment);

    // Load example image
    HDF5ReadOnlyFile data("../../tests/test_data/compression_benchmark.h5");
    HDF5DataSet dataset(data, "/entry/data/data");
    HDF5DataSpace file_space(dataset);

    REQUIRE(file_space.GetDimensions()[2] == experiment.GetXPixelsNum());
    REQUIRE(file_space.GetDimensions()[1] == experiment.GetYPixelsNum());
    std::vector<int16_t> image_conv (file_space.GetDimensions()[1] * file_space.GetDimensions()[2]);

    std::vector<hsize_t> start = {4,0,0};
    std::vector<hsize_t> file_size = {1, file_space.GetDimensions()[1], file_space.GetDimensions()[2]};
    dataset.ReadVector(image_conv, start, file_size);

    HDF5FilePusher pusher;

    auto puller = std::make_shared<TestImagePuller>();

    StartMessage start_msg;
    experiment.FillMessage(start_msg);

    puller->Put(ImagePullerOutput{
        .cbor = std::make_shared<CBORStream2DeserializerOutput>(start_msg)
    });

    DataMessage data_msg;
    data_msg.image = CompressedImage(image_conv, file_space.GetDimensions()[2], file_space.GetDimensions()[1]);

    for (int i = 0; i < 5; i++) {
        data_msg.number = i;
        puller->Put(ImagePullerOutput{
                .cbor = std::make_shared<CBORStream2DeserializerOutput>(data_msg)
        });
    }

    EndMessage end_msg{};

    puller->Put(ImagePullerOutput{
            .cbor = std::make_shared<CBORStream2DeserializerOutput>(end_msg)
    });

    AcquisitionDeviceGroup group;
    JFJochReceiverService service(group, logger, pusher);

    service.NumThreads(nthreads);

    // No progress value at the start of measurement
    REQUIRE(!service.GetProgress().has_value());

    SpotFindingSettings settings = DiffractionExperiment::DefaultDataProcessingSettings();
    settings.signal_to_noise_threshold = 2.5;
    settings.photon_count_threshold = 5;
    settings.min_pix_per_spot = 1;
    settings.max_pix_per_spot = 200;
    settings.high_resolution_limit = 2.0;
    settings.low_resolution_limit = 50.0;
    service.SetSpotFindingSettings(settings);
    service.Indexing(experiment.GetIndexingSettings());

    service.Start(experiment, pixel_mask, nullptr, puller);
    auto receiver_out = service.Stop();

    CHECK(receiver_out.efficiency == 1.0);
    REQUIRE(receiver_out.status.indexing_rate);
    CHECK(receiver_out.status.indexing_rate.value() == 1.0);
    CHECK(receiver_out.status.images_sent == experiment.GetImageNum());
    CHECK(!receiver_out.status.cancelled);

    // No progress value at the end of the measurement
    REQUIRE(!service.GetProgress().has_value());
}

TEST_CASE("JFJochReceiverLite_Cancel", "[JFJochReceiver]") {
    Logger logger("JFJochIntegrationTest_ZMQ_lysozyme_spot_and_index");

    RegisterHDF5Filter();

    const uint16_t nthreads = 4;

    DiffractionExperiment experiment(DetDECTRIS(2068, 2164, "Test", {}));

    experiment.ImagesPerTrigger(5).NumTriggers(1).UseInternalPacketGenerator(true).ImagesPerFile(2)
            .FilePrefix("lyso_test_lite").JungfrauConvPhotonCnt(false).SetFileWriterFormat(
                    FileWriterFormat::NXmxVDS).OverwriteExistingFiles(true)
            .DetectorDistance_mm(75).BeamY_pxl(1136).BeamX_pxl(1090).IncidentEnergy_keV(12.4)
            .SetUnitCell(UnitCell{.a = 36.9, .b = 78.95, .c = 78.95, .alpha =90, .beta = 90, .gamma = 90});
    PixelMask pixel_mask(experiment);

    HDF5FilePusher pusher;

    auto puller = std::make_shared<TestImagePuller>();

    AcquisitionDeviceGroup group;
    JFJochReceiverService service(group, logger, pusher);

    service.Indexing(experiment.GetIndexingSettings());
    service.NumThreads(nthreads);

    // No progress value at the start of measurement
    REQUIRE(!service.GetProgress().has_value());

    service.Start(experiment, pixel_mask, nullptr, puller);
    std::this_thread::sleep_for(std::chrono::seconds(10));
    service.Cancel(false);

    auto receiver_out = service.Stop();

    CHECK(receiver_out.efficiency == 0.0);
    CHECK(receiver_out.status.cancelled);
}