#ifndef HAND_H
#define HAND_H

#include "../common/tile.h"
#include "../common/set.h"

namespace Hand {
	//! Check if the tiles constitute a complete hand. Also valid for the concealed part of an open hand.
	bool agari(const Tiles& tiles);
	
	//! Check if the tiles miss only one from constituting a complete hand. Also valid for the concealed part of an open hand.
	bool tenpai(const Tiles& tiles);
	
	//! Get list of possible breakdowns of a complete hand.
	List<Sets> get_breakdowns(const Tiles& tiles);
	
	// Check if the tiles is matching the normal format of one pair and rest triplets.
	bool basic_format(const Tiles& tiles, bool pair_eaten = false);
	void basic_format(const Tiles& tiles, List<Sets>& hands, const Sets& hand = Sets(), bool pair_eaten = false);
	
	// Check if the tiles is matching the normal format but missing one.
	bool basic_format_tenpai(const Tiles& tiles, bool pair_eaten = false, bool wait_eaten = false);
	
	// Eat a single tile (i.e. the tanki machi) from beginning of list and return success flag.
	bool eat_tanki(Tiles& tiles);
	
	// Eat two tiles waiting for a third to complete a chi (i.e. ryanmen, penchan or kanchan machi) if possible and return success flag.
	bool eat_chi_wait(Tiles& tiles);
	
	// Eat a pair from beginning of list if possible and return success flag.
	bool eat_pair(Tiles& tiles);
	bool eat_pair(Tiles& tiles, Sets& hand);
	
	// Eat a pon from beginning of list if possible and return success flag.
	bool eat_pon(Tiles& tiles);
	bool eat_pon(Tiles& tiles, Sets& hand);
	
	// Eat a chi from beginning of list if possible and return success flag.
	bool eat_chi(Tiles& tiles);
	bool eat_chi(Tiles& tiles, Sets& hand);
}

#endif