#include <pspkernel.h>
#include <pspdebug.h>
#include <pspsdk.h>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <unistd.h>
#include <pspdisplay.h>

#define printf pspDebugScreenPrintf

#define MODULE_NAME "printtest"
#define WHITE 0xffffff
#define BLUE 0xff6666

PSP_MODULE_INFO(MODULE_NAME, 0x1000, 0, 5);
PSP_MAIN_THREAD_ATTR(0);

int done = 0;

// --------------------------------------------------------------------------

int ExitCallback(int arg1, int arg2, void *common) {
  done = 1;
  sceKernelExitGame();
  return 0;
}

// --------------------------------------------------------------------------

int CallbackThread(SceSize args, void *argp) {
  int cbid;

  cbid = sceKernelCreateCallback("Exit Callback", ExitCallback, NULL);
  sceKernelRegisterExitCallback(cbid);
  sceKernelSleepThreadCB();

  return 0;
}

// --------------------------------------------------------------------------

int SetupCallbacks(void) {
  int thid = 0;

  thid = sceKernelCreateThread("update_thread", CallbackThread, 0x11, 0xFA0, PSP_THREAD_ATTR_USER, 0);
  if (thid >= 0) {
    sceKernelStartThread(thid, 0, 0);
  }

  return thid;
}

// --------------------------------------------------------------------------

void ColorPrintF(int color, char *fmt, ...) {
  va_list ap;
  char buffer[256];
  int size;

  pspDebugScreenSetTextColor(color);
  va_start(ap, fmt);
  size = vsnprintf(buffer, 256, fmt, ap);
  pspDebugScreenPrintData(buffer, size);
  va_end(ap);
  pspDebugScreenSetTextColor(WHITE);
}

// --------------------------------------------------------------------------

int main(void) {
  int myint = 4;
  char *mystr = "string";

  SetupCallbacks();
  pspDebugScreenInit();
  pspDebugScreenClear();

  while (!done) {
    sceDisplayWaitVblankStart();
    ColorPrintF(BLUE, "This is my %s and this is my integer: %d!\n", mystr, myint);
  }

  return 0;
}