#ifndef BEAR_MEMORY_H
#define BEAR_MEMORY_H

#include <cstddef>
#include <cstdint>

#include "Bus.h"

class IMemoryAccessor
{
public:
    virtual ~IMemoryAccessor() = default;

    virtual void write(std::uint16_t _addr, std::uint8_t value) = 0;
    virtual std::uint8_t read8(std::uint16_t _addr) = 0;
};

class CPUMemoryAccessor : public IMemoryAccessor
{
public:
    explicit CPUMemoryAccessor(Bus* bus);
    ~CPUMemoryAccessor() override = default;

    void write(std::uint16_t _addr, std::uint8_t value) override;
    std::uint8_t read8(std::uint16_t _addr) override;

private:
    std::uint8_t* ram = nullptr;
    Bus* bus = nullptr;

    static bool isRamAddress(std::uint16_t _addr);

    [[nodiscard]] std::uint8_t readFromRam(std::uint16_t _addr) const;
    void writeToRam(std::uint16_t _addr, std::uint8_t value) const;
};

#endif //BEAR_MEMORY_H