#pragma once

#include <unordered_map>

#include <vector>

#include <math.h>

#include "game_settings.h"

#include "CustomSettings.h"

#include <Eigen/Dense>

#include <string>

using namespace std;

class card_to_string_conversion

{

private:

// All possible card suits - only the first 2 are used in Leduc Hold'em.

static string const suit_table[];

// All possible card ranks - only the first 3 - 4 are used in Leduc Hold'em and

//variants.

static string const rank_table[];

public:

// Holds the string representation for every possible card, indexed by its

// numeric representation.

unordered_map<int, string> card_to_string_table;

// Holds the numeric representation for every possible card, indexed by its

// string representation.

unordered_map<string, int> string_to_card_table;

card_to_string_conversion();

//-- Gets the rank of a card.

//-- @param card the numeric representation of the card

// -- @return the index of the rank

inline int card_to_rank(int card);

// Gets the suit of a card.

// @param card the numeric representation of the card

// @return the index of the suit

inline int card_to_suit(int card);

// Converts a card's numeric representation to its string representation.

// @param card the numeric representation of a card

// @return the string representation of the card

inline string card_to_string(int card);

// Converts several cards' numeric representations to their string

//representations.

// @param cards a vector of numeric representations of cards

// @return a string containing each card's string representation, concatenated

string cards_to_string(ArrayX cards);

// Converts a card's string representation to its numeric representation.

// @param card_string the string representation of a card

// @return the numeric representation of the card

inline int string_to_card(string card_string);

// Converts a string representing zero or one board cards to a

// -- vector of numeric representations.

// -- @param card_string either the empty string or a string representation of a

// -- card

// -- @return either an empty tensor or a tensor containing the numeric

// -- representation of the card

ArrayX string_to_board(string card_string);

};

//inline std::string card_to_string_conversion::card_to_suit(int card)

// return card % game_settings.suit_count + 1