#ifndef CHESS_ENGINE_BITBOARD_HPP
#define CHESS_ENGINE_BITBOARD_HPP

#include <cstdint>
#include <ostream>
#include "CastlingRights.hpp"

class BitBoard final {
public:
    using U64 = uint64_t;

    BitBoard(uint64_t v = 0);

//    explicit operator uint64_t() const;
    explicit operator bool() const;
    explicit operator unsigned long long() const;
    operator void*() const;

    bool operator==(const BitBoard &rhs) const;
    bool operator!=(const BitBoard &rhs) const;
    bool operator<(const BitBoard &rhs) const;
    bool operator>(const BitBoard &rhs) const;
    bool operator<=(const BitBoard &rhs) const;
    bool operator>=(const BitBoard &rhs) const;

    // bitset operations
    BitBoard &operator&=(const BitBoard &rhs);
    BitBoard &operator|=(const BitBoard &rhs);
    BitBoard &operator^=(const BitBoard &rhs);
    BitBoard &operator<<=(const BitBoard &rhs);
    BitBoard &operator>>=(const BitBoard &rhs);
    BitBoard operator~();

    bool operator!() const;
    bool operator&&(const BitBoard &rhs) const;
    bool operator||(const BitBoard &rhs) const;

    BitBoard &operator+=(const BitBoard &rhs);
    BitBoard &operator-=(const BitBoard &rhs);
    BitBoard &operator*=(const BitBoard &rhs);
    BitBoard &operator/=(const BitBoard &rhs);
    BitBoard &operator%=(const BitBoard &rhs);

    friend std::ostream &operator<<(std::ostream &os, const BitBoard &board);
//    friend bool operator&&(const bool &lhs, const BitBoard &rhs);

private:
    U64 mBoard = {};

};


BitBoard operator^(const BitBoard &lhs, const BitBoard &rhs);
BitBoard operator|(const BitBoard &lhs, const BitBoard &rhs);
BitBoard operator&(const BitBoard &lhs, const BitBoard &rhs);
BitBoard operator<<(const BitBoard &lhs, const BitBoard &rhs);
BitBoard operator>>(const BitBoard &lhs, const BitBoard &rhs);
BitBoard operator+(const BitBoard &lhs, const BitBoard &rhs);
BitBoard operator-(const BitBoard &lhs, const BitBoard &rhs);
//BitBoard operator*(const BitBoard &lhs, const BitBoard &rhs);
//BitBoard operator/(const BitBoard &lhs, const BitBoard &rhs);
BitBoard operator%(const BitBoard &lhs, const BitBoard &rhs);

#endif //CHESS_ENGINE_BITBOARD_HPP