// Copyright (2019-2024) Paul Scherrer Institute

#include <catch2/catch.hpp>

#include "../writer/HDF5Objects.h"
#include "../resonet/NeuralNetResPredictor.h"

TEST_CASE("NeuralNetResPredictor_Prepare", "[LinearAlgebra][Coord]") {
    DiffractionExperiment experiment(DetectorGeometry(8, 2, 8, 36));
    experiment.DetectorDistance_mm(75).PhotonEnergy_keV(12.4).BeamX_pxl(1000).BeamY_pxl(1000);
    experiment.NeuralNetModelPath("../../resonet/traced_resnet_model.pt");

    std::vector<int16_t> v(experiment.GetPixelsNum(),0);
    v[1000 * experiment.GetXPixelsNum() + 1000] = 100;
    v[1000 * experiment.GetXPixelsNum() + 1001] = 20;
    v[1001 * experiment.GetXPixelsNum() + 1000] = 30;
    v[1001 * experiment.GetXPixelsNum() + 1001] = INT16_MIN;

    v[1050 * experiment.GetXPixelsNum() + 1050] = 52;
    v[2000 * experiment.GetXPixelsNum() + 1500] = 160;
    NeuralNetResPredictor predictor(experiment);

    REQUIRE(predictor.GetMaxPoolFactor() == 2);

    predictor.Prepare(v.data());
    auto nn_input = predictor.GetModelInput();
    REQUIRE(nn_input[0] == 10);
    REQUIRE(nn_input[25 * 512 + 25] == 7);
    REQUIRE(nn_input[500 * 512 + 250] == 12);
}

TEST_CASE("NeuralNetResPredictor_Inference", "[LinearAlgebra][Coord]") {
    DiffractionExperiment experiment(DetectorGeometry(8, 2, 8, 36));
    experiment.DetectorDistance_mm(75).PhotonEnergy_keV(12.4).BeamY_pxl(1136).BeamX_pxl(1090);
    experiment.NeuralNetModelPath("../../resonet/traced_resnet_model.pt");

    NeuralNetResPredictor predictor(experiment);

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

    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);

    auto res = predictor.Inference(image_conv.data());
    std::cout << res << std::endl;
    REQUIRE(res < 1.5);
    REQUIRE(res > 1.4);
}