Role.h

/*
 Role.h
 
 Declaration of Role class.
 */

#ifndef _ROLE_H_
#define _ROLE_H_

#include <exception>
#include "Player.h"
#include "Card.h"
#include "CardList.h"

class Role {

	public:
		Role(Player*);												// constructor - takes player who is using this role
		virtual ~Role();											// destructor

		virtual void play() = 0;									// Performs action based on whether the player is a human or AI
		void playCard(const Card&);									// Plays the card given card, throws exception if illegal move
		void discardCard(const Card&);								// Discards the card, throws exception will player can play
    
        // Exception classes
        class IllegalPlayException : public std::exception {	
            
        public:
            IllegalPlayException();									// constructor of exception class
            const char* what() const throw();						// reason for exception
        };
        
        class IllegalDiscardException : public std::exception {
            
        public:
            IllegalDiscardException();								// constructor of exception class
            const char* what() const throw();						// reason for exception
        };
    
	protected:
		const CardList& playerHand() const;							// Gets the hand of the player to calculate legal moves
		const CardList& legalMoves() const;							// Gets the legal moves for the current round
		void triggerPlayerUpdate(bool);								// makes player inform there was changes to the view and maybe facade if bool set
    
	private:
		Player* player_;											// the player who is using this role
};

// Helper functions to the logic of the game
namespace GameLogic {

	CardList legalMoves(const CardList&, const CardList&);			// Determines the legal moves given the table, and hand
}

#endif /* _ROLE_H_ */