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

#pragma once

#include <optional>
#include <vector>

#include "../../common/SpotToSave.h"

std::optional<float> FitProfileRadius_MAD(const std::vector<SpotToSave>& spots);

// Intrinsic excitation-error (mosaicity+divergence) width from the indexed-spot spread. When a finite
// energy bandwidth is given, its radial smear (bandwidth_sigma*lambda/(2 d^2)) is deconvolved out, so
// the result is the intrinsic width and bandwidth is not double-counted by prediction (which re-adds
// it). bandwidth_sigma = 0 reproduces the plain RMS (monochromatic / rotation).
std::optional<float> FitProfileRadius(const std::vector<SpotToSave>& spots,
                                      float bandwidth_sigma = 0.0f, float wavelength_A = 0.0f);