#ifdef __APPLE__
#include "CoreFoundation/CoreFoundation.h"
#endif
#include "Core.hpp"

extern "C" void iPhoneFrame(void *) {
  core.doProcess();
}
/* handleAppEvents
This function is used with SDL_SetEventFilter to intercept important events related to RtB entering the background and similar on mobile devices. If we do not handle the events in this fashion, RtB will terminate
*/
extern "C" int handleAppEvents(void *userdata, SDL_Event *event) {
  switch (event->type) {
    case SDL_APP_TERMINATING:
      core.closeSystem();
      // TODO: close everything
      break;
    case SDL_APP_LOWMEMORY:
      // TODO: not sure? free memory?
      break;
    case SDL_APP_WILLENTERBACKGROUND:
      // TODO: pause loops. activated when "home" is hit or a call is recv'd
      break;
    case SDL_APP_DIDENTERBACKGROUND:
      core.closeSystem();
      // TODO: occurs if WILLENTER was accepted. Have to save state?
      break;
    case SDL_APP_WILLENTERFOREGROUND:
      // TODO: occurs when app comes back, either from reactivation or if WILLENTER is denied. Restore state?
      break;
    case SDL_APP_DIDENTERFOREGROUND:
      // TODO: restart loops. 
      break;
    default:
      // Add event to the standard event stack
      return 1;
      break;
  }
  return 0;
}

int main(int argc, char *argv[]) {
#ifdef __APPLE__
  char path[PATH_MAX];
  CFURLRef res = CFBundleCopyResourcesDirectoryURL(CFBundleGetMainBundle());
  CFURLGetFileSystemRepresentation(res, TRUE, (UInt8 *)path, PATH_MAX);
  CFRelease(res);
  chdir(path);
#endif
  core.initSystem();
  SDL_SetEventFilter(handleAppEvents, NULL);
#if __IPHONEOS__ 
  //InitGameCenter(); 
  SDL_iPhoneSetAnimationCallback(core.getWindow(), 1, iPhoneFrame, 0); 
#else 
  // begin our main loop
  while (core.flags & Core::IS_RUNNING) {
    core.doProcess();
    SDL_Delay(1);
  }
  core.closeSystem();
#endif 
  return 0;
}