#include <stdio.h>
#include <unistd.h>
#include <malloc.h>
#include <ogcsys.h>
#include <errno.h>

#include "Controls/DeviceHandler.hpp"
#include "usbloader/sdhc.h"
#include "usbloader/usbstorage2.h"
#include "usbloader/wbfs.h"
#include "utils/tools.h"

#include "wbfs_rw.h"
#include "wbfs_base.h"

Wbfs::Wbfs(u32 l, u32 s, u32 part, u32 port)
	: hdd(NULL), lba(l), size(s), partition(part), usbport(port)
{
}

s32 Wbfs::Init(u32 device)
{
	s32 ret;

	switch (WBFS_DEVICE_USB)
	{
		case WBFS_DEVICE_USB:
			/* Initialize USB storage */

			if (DeviceHandler::GetUSBPartitionCount() > 0)
			{
				/* Setup callbacks */
				readCallback = __ReadUSB;
				writeCallback = __WriteUSB;
			}
			else
				return -1;
			break;
		case WBFS_DEVICE_SDHC:
			/* Initialize SDHC */
			ret = SDHC_Init();

			if (ret)
			{
				/* Setup callbacks */
				readCallback = __ReadSDHC;
				writeCallback = __WriteSDHC;
			}
			else return -1;
			break;
	}

	return 0;
}

// Default behavior: can't format
s32 Wbfs::Format()
{
	return -1;
}

s32 Wbfs::CheckGame(u8 *discid)
{
	wbfs_disc_t *disc = NULL;

	/* Try to open game disc */
	disc = OpenDisc(discid);
	if (disc)
	{
		/* Close disc */
		CloseDisc(disc);

		return 1;
	}

	return 0;
}

s32 Wbfs::GameSize(u8 *discid, f32 *size)
{
	if(!discid) return 0;

	/* Open disc */
	wbfs_disc_t *disc = OpenDisc(discid);
	if (!disc) return -2;

	u32 sectors = wbfs_disc_sector_used(disc);

	/* Copy value */
	if(size)
		*size = (disc->p->wbfs_sec_sz / GB_SIZE) * sectors;

	/* Close disc */
	CloseDisc(disc);

	return 0;
}