#include "CMemoryCardSys.hpp"

namespace urde
{

kabufuda::SystemString CMemoryCardSys::ResolveDolphinCardPath(kabufuda::ECardSlot slot)
{
    const char* home = getenv("HOME");
    if (!home || home[0] != '/')
        return {};
    const char* dataHome = getenv("XDG_DATA_HOME");

    /* XDG-selected data path */
    kabufuda::SystemString path =
        ((dataHome && dataHome[0] == '/') ? dataHome : hecl::SystemString(home)) + "/.local/share/dolphin-emu";
    path += hecl::Format("/GC/MemoryCard%c.USA.raw",
                         slot == kabufuda::ECardSlot::SlotA ? 'A' : 'B');

    hecl::Sstat theStat;
    if (hecl::Stat(path.c_str(), &theStat) || !S_ISREG(theStat.st_mode))
    {
        /* legacy case for older dolphin versions */
        path = home;
        path += hecl::Format("/.dolphin-emu/GC/MemoryCard%c.USA.raw",
                             slot == kabufuda::ECardSlot::SlotA ? 'A' : 'B');
        if (hecl::Stat(path.c_str(), &theStat) || !S_ISREG(theStat.st_mode))
            return {};
    }

    return path;
}

kabufuda::SystemString CMemoryCardSys::_CreateDolphinCard(kabufuda::ECardSlot slot)
{
    const char* home = getenv("HOME");
    if (!home || home[0] != '/')
        return {};
    const char* dataHome = getenv("XDG_DATA_HOME");

    /* XDG-selected data path */
    kabufuda::SystemString path =
        ((dataHome && dataHome[0] == '/') ? dataHome : hecl::SystemString(home)) + "/.local/share/dolphin-emu/GC";

    if (hecl::RecursiveMakeDir(path.c_str()) < 0)
        return {};

    path += hecl::Format("/MemoryCard%c.USA.raw",
                         slot == kabufuda::ECardSlot::SlotA ? 'A' : 'B');
    FILE* fp = hecl::Fopen(path.c_str(), "wb");
    if (!fp)
        return {};
    fclose(fp);

    return path;
}

}