#ifndef SDCARD_HH

#define SDCARD_HH

#include "DiskImageUtils.hh"

#include "circular_buffer.hh"

#include <array>

#include <cstdint>

#include <memory>

namespace openmsx {

class DeviceConfig;

class HD;

class SdCard

{

public:

	explicit SdCard(const DeviceConfig& config);

	~SdCard();

	uint8_t transfer(uint8_t value, bool cs);

	template<typename Archive>

	void serialize(Archive& ar, unsigned version);

// private:

	enum class Mode : uint8_t {

		COMMAND,

		READ,

		MULTI_READ,

		WRITE,

		MULTI_WRITE

	};

private:

	void executeCommand();

	[[nodiscard]] uint8_t readCurrentByteFromCurrentSector();

private:

	const std::unique_ptr<HD> hd; // can be nullptr

	std::array<uint8_t, 6> cmdBuf;

	SectorBuffer sectorBuf;

	unsigned cmdIdx = 0;

	cb_queue<uint8_t> responseQueue;

	uint8_t transferDelayCounter = 0;

	Mode mode = Mode::COMMAND;

	unsigned currentSector = 0;

	int currentByteInSector = 0;

};

} // namespace openmsx

#endif