#pragma once
#include "stdafx.h"
#include "IMemoryHandler.h"

class MemoryManager;
class VirtualFile;

struct SnesCartInformation
{
	uint8_t MakerCode[2];
	uint8_t GameCode[4];
	uint8_t Reserved[7];
	uint8_t ExpansionRamSize;
	uint8_t SpecialVersion;
	uint8_t CartridgeType;

	char CartName[21];
	uint8_t MapMode;
	uint8_t RomType;
	uint8_t RomSize;
	uint8_t SramSize;

	uint8_t DestinationCode;
	uint8_t Reserved2;
	uint8_t Version;

	uint8_t ChecksumComplement[2];
	uint8_t Checksum[2];
};

namespace CartFlags
{
	enum CartFlags
	{
		LoRom = 1,
		HiRom = 2,
		FastRom = 4,
		ExLoRom = 8,
		ExHiRom = 16
	};
}

class BaseCartridge
{
private:
	vector<unique_ptr<IMemoryHandler>> _prgRomHandlers;
	vector<unique_ptr<IMemoryHandler>> _saveRamHandlers;
	SnesCartInformation _cartInfo;

	uint8_t* _prgRom = nullptr;
	uint8_t* _saveRam = nullptr;
	
	uint32_t _prgRomSize = 0;
	uint32_t _saveRamSize = 0;

	void MapBanks(MemoryManager &mm, vector<unique_ptr<IMemoryHandler>> &handlers, uint8_t startBank, uint8_t endBank, uint16_t startPage = 0, uint16_t endPage = 0x0F, uint16_t pageIncrement = 0, bool mirror = false);

public:
	~BaseCartridge();

	static shared_ptr<BaseCartridge> CreateCartridge(VirtualFile &romFile, VirtualFile &patchFile);

	void Init();

	CartFlags::CartFlags GetCartFlags();

	void RegisterHandlers(MemoryManager &mm);

	uint8_t* DebugGetPrgRom() { return _prgRom; }
	uint8_t* DebugGetSaveRam() { return _saveRam; }
	uint32_t DebugGetPrgRomSize() { return _prgRomSize; }
	uint32_t DebugGetSaveRamSize() { return _saveRamSize; }
};