#ifndef CHESS_ENGINE_MOVE_HPP
#define CHESS_ENGINE_MOVE_HPP

#include "Square.hpp"
#include "Piece.hpp"

#include <iosfwd>
#include <optional>
#include <string>

class Move {
public:

    using Optional = std::optional<Move>;

    Move(const Square &from, const Square &to,
         const std::optional<PieceType> &promotion = std::nullopt);

    static Optional fromUci(const std::string &uci);

    Square from() const;
    Square to() const;
    std::optional<PieceType> promotion() const;

private:
    Square mFrom;
    Square mTo;
    std::optional<PieceType> mPromotion;
};

std::ostream &operator<<(std::ostream &os, const Move &move);

// Needed for std::map, std::set
bool operator<(const Move &lhs, const Move &rhs);
bool operator==(const Move &lhs, const Move &rhs);

#endif