// Copyright (2019-2023) Paul Scherrer Institute
// SPDX-License-Identifier: GPL-3.0-or-later

#include "DetectorSetup.h"
#include "JFJochException.h"

DetectorSetup::DetectorSetup(const DetectorGeometry &in_geometry)
        : DetectorSetup(in_geometry, "Detector", std::vector<std::string>()) {}

DetectorSetup::DetectorSetup(const DetectorGeometry &in_geometry,
                             const std::string &in_description,
                             const std::vector<std::string> &in_det_modules_hostname) :
        geometry(in_geometry), description(in_description), det_modules_hostname(in_det_modules_hostname) {
    if (!det_modules_hostname.empty() && (geometry.GetModulesNum() != det_modules_hostname.size()))
        throw JFJochException(JFJochExceptionCategory::InputParameterInvalid,
                              "Mismatch between number of modules in detector geometry and hostname");
}

const DetectorGeometry &DetectorSetup::GetGeometry() const {
    return geometry;
}

const std::vector<std::string> &DetectorSetup::GetDetectorModuleHostname() const {
    return det_modules_hostname;
}

uint64_t DetectorSetup::GetModulesNum() const {
    return geometry.GetModulesNum();
}

std::string DetectorSetup::GetDescription() const {
    return description;
}

JFJochProtoBuf::DetectorType DetectorSetup::GetDetectorType() const {
    return JFJochProtoBuf::DetectorType::JUNGFRAU;
}

float DetectorSetup::GetPixelSize_mm() const {
    return PIXEL_SIZE_IN_MM;
}

void DetectorSetup::LoadGain(const std::vector<std::string> &filenames) {
    if (filenames.size() != GetModulesNum())
        throw JFJochException(JFJochExceptionCategory::InputParameterInvalid,
                              "Mismatch in number of gain calibration files");
    for (const auto& i: filenames)
        gain_calibration.emplace_back(i);
}

const std::vector<JFModuleGainCalibration> &DetectorSetup::GetGainCalibration() const {
    return gain_calibration;
}

DetectorSetup::operator JFJochProtoBuf::Detector() const {
    JFJochProtoBuf::Detector ret;
    ret.set_nmodules(GetModulesNum());
    ret.set_description(GetDescription());
    ret.set_pixel_size_mm(GetPixelSize_mm());

    for (const auto& iter: det_modules_hostname)
        ret.add_module_hostname(iter);

    *ret.mutable_geometry() = geometry;
    ret.set_type(JFJochProtoBuf::DetectorType::JUNGFRAU);
    return ret;
}