engine.hpp

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#pragma once
 
#include <memory>
#include <functional>
 
#include "core/move.hpp"
#include "core/game/state.hpp"
#include "core/game/rules.hpp"
 
class GameEngine
{
public:
    using StateChangeCallback = std::function<void(const GameState &)>;
 
    GameEngine(uint8_t rows = 6,
               uint8_t cols = 7,
               uint8_t num_players = 2,
               uint8_t connect_length = 4);
 
    void startGame();
 
    bool makeMove(uint8_t column);
 
    bool makeMove(uint8_t column, uint8_t player_id);
 
    void reset();
 
    void setStateChangeCallback(StateChangeCallback callback)
    {
        state_change_callback_ = callback;
    }
 
    void skipPlayerTurn()
    {
        advancePlayer();
        notifyStateChange();
    }
 
    // State accessors
    const GameState &getState() const { return state_; }
    const GameRules &getRules() const { return rules_; }
 
    bool isGameOver() const;
    std::optional<uint8_t> getWinner() const { return state_.getWinner(); }
 
private:
    GameState state_;
    GameRules rules_;
    StateChangeCallback state_change_callback_;
 
    void advancePlayer();
    void checkGameEnd(uint8_t last_player);
    void notifyStateChange();
};