engine.h

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#pragma once

#include "utils.h"
#include "timer.h"
#include "board.h"
#include "uct.h"

using std::vector;


//how much time engine has for "clock clicking"
#define CLOCK_CLICK_RESERVE 0.1

#define TC_MOVE_DEFAULT (cfg.tcMoveDefault())
//#define TC_MOVE_DEFAULT 1

//this defines size of following enum !!!
#define TIME_CONTROLS_NUM 13

enum timeControl_e {TC_MOVE, TC_RESERVE, TC_PERCENT, TC_MAX, TC_TOTAL, TC_TURNS,
                    TC_TURN_TIME, TC_W_RESERVE, TC_B_RESERVE, TC_W_USED, TC_B_USED, 
                    TC_MOVE_USED, TC_LAST_MOVE_USED};


class TimeManager
{
  public:
    TimeManager();
    
    void  startClock();

    void stopClock();

    bool timeUp();

    double secondsElapsed(); 

    void setTimeControl(timeControl_e tc, float value);

    float getTimeControl(timeControl_e tc);

    void setNoTimeLimit();
    
    void resetSettings();

  private:
    Timer timer;
    float timeControls_[TIME_CONTROLS_NUM];
    bool noTimeLimit_;
  
};


class Engine
{
  public:
    Engine();
    ~Engine();

        string initialSetup(bool isGold) const;

        void doSearch(const Board*);            

    void requestSearchStop();

    TimeManager* timeManager();

    void setPonder(bool value);

    bool getPonder() const;

    string getBestMove() const;

    string getStats() const;

    string getAdditionalInfo() const;

    float getWinRatio() const;

    bool checkSearchStop() const;

  private: 

    void mockupSearchResults(const Board* board, Uct* uct[], Uct* masterUct, int resultsNum);

        static void * searchTreeWrapper(void * searchTreeInfo);         

    TimeManager* timeManager_;

    string bestMove_;
    string stats_;
    string additionalInfo_;
    float winRatio_;

    bool ponder_;

    bool stopRequest_;
};

class SearchStartKit {
  public:
    SearchStartKit(const Board*, Engine*, Uct*);
  
  private:
    const Board*  board_;
    Engine* engineInstance_;
    Uct*    uct_; 
    friend class Engine;
};

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