// GameState.h
#ifndef GAMESTATE_HPP
#define GAMESTATE_HPP

#include <SFML/Graphics.hpp>
#include <memory>
#include "botinterface.hpp"
#include "common.hpp"
#include "snake.hpp"
#include "playerinterface.hpp"

const int kUnitSpeed = 1;

class GameEngine
{
public:
    GameEngine();
    void Start(void);
    void Reset(void);
    sf::Vector2f GetGameBoundaries(void);
    struct GameState {
        unsigned char m_bIsGameOver : 1 = 0;
        unsigned char m_bIsBotControlled : 1 = 0;
        unsigned char m_bNoDisplay : 1 = 0;
        unsigned char m_bSmart : 1 = 0;
        unsigned char m_bSkipIterations : 1 = 0;
        unsigned char _5 : 1 = 0;
        unsigned char _6 : 1 = 0;
        unsigned char _7 : 1 = 0;
    } state;
    std::vector< std::vector<GameSpace> > gameBoard;
    PlayerDirection GetCurrentDirection(void);
    int GetPlayerSize(void);
    sf::Vector2f GetHeadLocation(void);
    sf::Vector2f GetFoodLocation(void);
private:
    PlayerOutput graphics;
    Snake player;
    Food playerFood;
    AISnake bot;
    void Loop(void);
    sf::Vector2f MovePlayer(void);
    void PlaceNewSnakePart(sf::Vector2f location);
    void RegenerateFood(void);
    void PrepareGameBoard(void);
    void UpdatePlayerSpeed();
};

inline std::unique_ptr<GameEngine> g_pEngine;

#endif