#pragma once

/**
 * @file evolution.hpp
 * @brief EvolutionManager — orchestrates population dynamics.
 *
 * Port of: packages/fces/core/evolution_manager.py
 */

#include "population.hpp"

namespace fces {

/**
 * EvolutionManager — controls the scheduling of evolutionary operations.
 *
 * Responsibilities:
 * - Controller rotation (sticky selection with interval)
 * - Population dynamics (auto-sizing, lockdown)
 * - Triggering evolution at intervals
 */
class EvolutionManager {
public:
    explicit EvolutionManager(
        Population& population,
        int selection_interval = 50,
        bool auto_population = false,
        bool direct_construction = false
    );

    /// Get the currently active controller
    FuzzyController& get_active_controller();

    /// Update population dynamics based on current training state
    void update_population_dynamics(
        float loss_velocity,
        float ema_loss,
        int step_counter,
        int total_steps
    );

    /// Steps the active controller has been in control
    int steps_active = 0;

    /// Selection interval (how long a controller stays active)
    int selection_interval;

private:
    Population& population_;
    bool auto_population_;
    bool direct_construction_;
};

}  // namespace fces