#ifndef CHESS_ENGINE_PIECE_HPP
#define CHESS_ENGINE_PIECE_HPP

#include <optional>
#include <iosfwd>

enum class PieceColor {
    White = 0,
    Black = 1,
};

enum class PieceType {
    Pawn = 'P',
    Knight = 'N',
    Bishop = 'B',
    Rook = 'R',
    Queen = 'Q',
    King = 'K'
};

class Piece {

public:

    using Optional = std::optional<Piece>;

    Piece(PieceColor color, PieceType type);

    static Optional fromSymbol(char symbol);

    static std::optional<PieceType> pieceTypeFromSymbol(char symbol);

    PieceColor color() const;
    PieceType type() const;

private:
    const PieceColor mColor;
    const PieceType mType;
};

bool operator==(const Piece &lhs, const Piece &rhs);
std::ostream &operator<<(std::ostream &os, const Piece &piece);

// Invert a color (White becomes Black and vice versa)
PieceColor operator!(PieceColor color);

#endif