#pragma once

#include <memory>

#include "mocca/api.hpp"

namespace mocca {

/**
 * Modern execution façade for the cascade physics kernel.
 *
 * The public surface stays intentionally small: callers provide a normalized
 * `SimulationConfig`, and the implementation owns the setup, propagation, and
 * line-collection workflow behind a value-oriented interface.
 */
class ModernCascadeKernel {
public:
    explicit ModernCascadeKernel(const SimulationConfig& config);
    ~ModernCascadeKernel();

    ModernCascadeKernel(ModernCascadeKernel&&) noexcept;
    ModernCascadeKernel& operator=(ModernCascadeKernel&&) noexcept;

    ModernCascadeKernel(const ModernCascadeKernel&) = delete;
    ModernCascadeKernel& operator=(const ModernCascadeKernel&) = delete;

    [[nodiscard]] SimulationResult run() const;

private:
    class Impl;
    std::unique_ptr<Impl> impl_;
};

[[nodiscard]] SimulationResult run_modern_kernel(const SimulationConfig& config);

}  // namespace mocca