#include <gccore.h>
#include <stdio.h>
#include <string.h>
#include <malloc.h>
#include <sys/iosupport.h>
#include <ogcsys.h>
#include <dirent.h>
#include <sys/stat.h> //for mkdir

//#include "fat2.h"
//#include "install.h"


/* init-globals */
static bool geckoinit = false;
char DirPath[64] = "Fat:/debug";
char SavePath[128];
int ret = 0;
int vasprintf(char **, const char *, va_list);

//#ifndef NO_DEBUG
#include <stdarg.h>

void gprintf(const char *format, ...)
{
	if (!geckoinit)
        return;
	
	char * tmp = NULL;
	va_list va;
	va_start(va, format);
	if((vasprintf(&tmp, format, va) >= 0) && tmp)
	{
        usb_sendbuffer(1, tmp, strlen(tmp));
	}
	va_end(va);

	if(tmp)
        free(tmp);
}

bool InitGecko()
{
    u32 geckoattached = usb_isgeckoalive(EXI_CHANNEL_1);
    if (geckoattached)
    {
        usb_flush(EXI_CHANNEL_1);
        geckoinit = true;
        return true;
    }

    return false;
}
void gecko_log(const char *format, ...) {
	//ret = Fat_MakeDir(DirPath);
	//void *f = NULL;
	gprintf("\n\n Fat Make Dir ret[%i] \n\n", ret);
	
	if (!geckoinit)
	   return;
		
	char * tmp = NULL;
	va_list va;
	va_start(va, format);
	if((vasprintf(&tmp, format, va) >= 0) && tmp)
	{
		sprintf(SavePath, "%s/debug.log", DirPath);
		//f = &tmp;
		//Fat_SaveFilelog(SavePath, f, strlen(tmp));
	  // usb_sendbuffer(1, tmp, strlen(tmp));
	}
	va_end(va);
	//if(tmp)
	//   free(tmp);
	tmp = NULL;
	//f = NULL;
}

char ascii2(char s)
{
    if (s < 0x20) return '.';
    if (s > 0x7E) return '.';
    return s;
}

void hexdump2(void *d, int len)
{
    u8 *data;
    int i, off;
    data = (u8*) d;

    gprintf("\n       0  1  2  3  4  5  6  7  8  9  A  B  C  D  E  F  0123456789ABCDEF");
    gprintf("\n====  ===============================================  ================\n");

    for (off = 0; off < len; off += 16)
    {
        gprintf("%04x  ", off);
        for (i = 0; i < 16; i++)
            if ((i + off) >= len)
                gprintf("   ");
            else gprintf("%02x ", data[off + i]);

        gprintf(" ");
        for (i = 0; i < 16; i++)
            if ((i + off) >= len)
                gprintf(" ");
            else gprintf("%c", ascii2(data[off + i]));
        gprintf("\n");
    }
}

static ssize_t __out_write(struct _reent *r, int fd, const char *ptr, size_t len)
{
    if(geckoinit && ptr)
    {
        usb_sendbuffer(1, ptr, len);
	}
	return len;
}

static const devoptab_t gecko_out = {
	"stdout",	// device name
	0,			// size of file structure
	NULL,		// device open
	NULL,		// device close
	__out_write,   // device write
	NULL,		// device read
	NULL,		// device seek
	NULL,		// device fstat
	NULL,		// device stat
	NULL,		// device link
	NULL,		// device unlink
	NULL,		// device chdir
	NULL,		// device rename
	NULL,		// device mkdir
	0,			// dirStateSize
	NULL,		// device diropen_r
	NULL,		// device dirreset_r
	NULL,		// device dirnext_r
	NULL,		// device dirclose_r
	NULL,		// device statvfs_r
	NULL,		// device ftruncate_r
	NULL,		// device fsync_r
	NULL,		// device deviceData
	NULL,		// device chmod_r
	NULL,		// device fchmod_r
};

void USBGeckoOutput()
{
	devoptab_list[STD_OUT] = &gecko_out;
	devoptab_list[STD_ERR] = &gecko_out;
}

//#endif /* NO_DEBUG */