#ifndef __URDE_CMEMORYCARDSYS_HPP__
#define __URDE_CMEMORYCARDSYS_HPP__

#include "CToken.hpp"
#include "World/CWorld.hpp"
#include "CGameHintInfo.hpp"
#include "CSaveWorld.hpp"
#include "GuiSys/CStringTable.hpp"
#include <vector>

// longest file name string excluding terminating zero
#define CARD_FILENAME_MAX 32

#define CARD_ICON_MAX 8

namespace urde
{
class CDummyWorld;

class CSaveWorldMemory
{
    friend class CMemoryCardSys;
    ResId x0_strgId = -1;
    ResId x4_savwId = -1;
    u32 x8_areaCount;
    std::vector<ResId> xc_areaIds;
    std::vector<CWorldLayers::Area> x1c_defaultLayerStates;
    TLockedToken<CStringTable> x2c_worldName; /* used to be optional */
    TLockedToken<CSaveWorld> x3c_saveWorld; /* used to be optional */

public:
    ResId GetSaveWorldAssetId() const { return x4_savwId; }
    u32 GetAreaCount() const { return x8_areaCount; }

    const TLockedToken<CStringTable>& GetWorldName() const { return x2c_worldName; }
    const TLockedToken<CSaveWorld>& GetSaveWorld() const { return x3c_saveWorld; }
};

class CSaveWorldIntermediate
{
    friend class CMemoryCardSys;
    ResId x0_mlvlId;
    ResId x4_strgId;
    ResId x8_savwId;
    std::vector<ResId> xc_areaIds;
    std::vector<CWorldLayers::Area> x1c_defaultLayerStates;
    std::unique_ptr<CDummyWorld> x2c_dummyWorld;
    TLockedToken<CSaveWorld> x34_saveWorld; /* Used to be auto_ptr */

public:
    CSaveWorldIntermediate(ResId mlvl, ResId savw);

    bool InitializePump();
};

class CMemoryCardSys
{
    TLockedToken<CGameHintInfo> x0_hints;
    std::vector<std::pair<ResId, CSaveWorldMemory>> xc_memoryWorlds; /* MLVL as key */
    std::experimental::optional<std::vector<CSaveWorldIntermediate>> x1c_worldInter; /* used to be auto_ptr of vector */
    std::vector<std::pair<ResId, CSaveWorld::EScanCategory>> x20_scanStates;
public:
    const std::vector<CGameHintInfo::CGameHint>& GetHints() const { return x0_hints->GetHints(); }
    const std::vector<std::pair<ResId, CSaveWorldMemory>>& GetMemoryWorlds() const { return xc_memoryWorlds; }
    const std::vector<std::pair<ResId, CSaveWorld::EScanCategory>>& GetScanStates() const { return x20_scanStates; }
    CMemoryCardSys();
    bool InitializePump();

    enum class EMemoryCardPort
    {
        SlotA,
        SlotB
    };

    enum class ECardResult
    {
        CARD_RESULT_CRC_MISMATCH = -1003,
        CARD_RESULT_FATAL_ERROR = -128,
        CARD_RESULT_ENCODING = -13,
        CARD_RESULT_BROKEN = -6,
        CARD_RESULT_IOERROR = -5,
        CARD_RESULT_NOCARD = -3,
        CARD_RESULT_WRONGDEVICE = -2,
        CARD_RESULT_BUSY = -1,
        CARD_RESULT_READY = 0
    };

    struct CardProbeResults
    {
        ECardResult x0_error;
        u32 x4_cardSize; // in megabits
        u32 x8_sectorSize; // in bytes
    };

    struct CARDStat
    {
        // read-only (Set by CARDGetStatus)
        char x0_fileName[CARD_FILENAME_MAX];
        u32  x20_length;
        u32  x24_time;           // seconds since 01/01/2000 midnight
        u8   x28_gameName[4];
        u8   x2c_company[2];

        // read/write (Set by CARDGetStatus/CARDSetStatus)
        u8   x2e_bannerFormat;
        u8   x2f___padding;
        u32  x30_iconAddr;      // offset to the banner, bannerTlut, icon, iconTlut data set.
        u16  x34_iconFormat;
        u16  x36_iconSpeed;
        u32  x38_commentAddr;   // offset to the pair of 32 byte character strings.

        // read-only (Set by CARDGetStatus)
        u32  x3c_offsetBanner;
        u32  x40_offsetBannerTlut;
        u32  x44_offsetIcon[CARD_ICON_MAX];
        u32  x64_offsetIconTlut;
        u32  x68_offsetData;

        u32 GetTime() const { return x24_time; }
        u32 GetBannerFormat() const { return x2e_bannerFormat & 0x3; }
        void SetBannerFormat(u32 fmt) { x2e_bannerFormat = (x2e_bannerFormat & ~0x3) | fmt; }
        u32 GetIconFormat(int idx) const { return (x34_iconFormat >> (idx * 2)) & 0x3; }
        void SetIconFormat(u32 fmt, int idx)
        {
            x34_iconFormat &= ~(0x3 << (idx * 2));
            x34_iconFormat |= fmt << (idx * 2);
        }
        void SetIconSpeed(u32 sp, int idx)
        {
            x36_iconSpeed &= ~(0x3 << (idx * 2));
            x36_iconSpeed |= sp << (idx * 2);
        }
        u32 GetIconAddr() const { return x30_iconAddr; }
        void SetIconAddr(u32 addr) { x30_iconAddr = addr; }
        u32 GetCommentAddr() const { return x38_commentAddr; }
        void SetCommentAddr(u32 addr) { x38_commentAddr = addr; }
    };

    static CardProbeResults CardProbe(EMemoryCardPort port);
    static ECardResult MountCard(EMemoryCardPort port);
    static ECardResult CheckCard(EMemoryCardPort port);
    static ECardResult GetNumFreeBytes(EMemoryCardPort port, s32& freeBytes, s32& freeFiles);
    static ECardResult GetSerialNo(EMemoryCardPort port, u64& serialOut);
    static ECardResult GetResultCode(EMemoryCardPort port);
    static ECardResult GetStatus(EMemoryCardPort port, int fileNo, CARDStat& statOut);
    static ECardResult DeleteFile(EMemoryCardPort port, const char* name);
    static ECardResult FastDeleteFile(EMemoryCardPort port, int fileNo);
};

}

#endif // __URDE_CMEMORYCARDSYS_HPP__