// SPDX-FileCopyrightText: 2024 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
// SPDX-License-Identifier: GPL-3.0-only

#include <cmath>
#include "ROIAzimuthal.h"
#include "JFJochException.h"

ROIAzimuthal::ROIAzimuthal(const std::string &in_name, float in_d_min_A, float in_d_max_A)
        : ROIElement(in_name) {
    if ((in_d_min_A <= 0) || (in_d_max_A <= 0))
        throw JFJochException(JFJochExceptionCategory::InputParameterInvalid,
                              "Resolution cannot be zero or negative");
    if (in_d_min_A > in_d_max_A) {
        d_max_A = in_d_min_A;
        d_min_A = in_d_max_A;
    } else {
        d_max_A = in_d_max_A;
        d_min_A = in_d_min_A;
    }
}

float ROIAzimuthal::GetDMin_A() const {
    return d_min_A;
}

float ROIAzimuthal::GetDMax_A() const {
    return d_max_A;
}

bool ROIAzimuthal::CheckROI(int64_t x, int64_t y, float resolution) const {
    return (resolution >= d_min_A && resolution <= d_max_A);
}

float ROIAzimuthal::GetQMax_recipA() const {
    return 2.0f * M_PI / d_min_A;
}

float ROIAzimuthal::GetQMin_recipA() const {
    return 2.0f * M_PI / d_max_A;
}

ROIConfig ROIAzimuthal::ExportMetadata() const {
    double qmin = GetQMin_recipA();
    double qmax = GetQMax_recipA();
    return ROIConfig{
        .type = ROIConfig::ROIType::Azim,
        .name = name,
        .azim = ROIConfigAzim{.qmin = qmin, .qmax = qmax}
    };
}