#ifndef _TTT_PLAYERS_HPP_
#define _TTT_PLAYERS_HPP_

class tttPlayGround;	// dichiarazione di una classe definita altrove

class TTT_Move {
public:
	int row;
	int col;
	TTT_Move(int i, int j): row(i), col(j) {}
};

class TTT_Player{
protected:
	int playerID;
	tttPlayGround *match;
public:
	TTT_Player(int ID, tttPlayGround *m): playerID(ID), match(m) {};

	int getID() const {  
		return playerID;
	}
	virtual bool move(TTT_Move&) = 0; // metodo virtuale "puro"
	// restituisce false se non vuole/puo' muovere.
};

class TTT_HumanPlayer: public TTT_Player {
public:
	TTT_HumanPlayer(int ID, tttPlayGround *m): TTT_Player(ID,m) {}
	bool move(TTT_Move&) override;
};

class TTT_AutoPlayer: public TTT_Player {
protected:
	char myPlayground[3][3];
public:
	TTT_AutoPlayer(int ID, tttPlayGround *m): TTT_Player(ID,m) {}
	// virtual bool move(TTT_Move&) override;
	// questa classe non implementa un metodo virtuale puro
	// questo fa anche di lei una classe astratta
};

class TTT_FirstFree: public TTT_AutoPlayer {
public:
	TTT_FirstFree(int ID, tttPlayGround *m): TTT_AutoPlayer(ID,m) {}
	bool move(TTT_Move&) override;
};

class TTT_RandomPlayer: public TTT_AutoPlayer {
	int seed;
	static const int maxiter=100000;
public:
	TTT_RandomPlayer(int ID, tttPlayGround *m);
	TTT_RandomPlayer(int ID, tttPlayGround *m, int s);
	virtual void reset(int);
	bool move(TTT_Move&) override;
};

#endif