#include <agar/core/core.h>
#include <agar/gui/gui.h>
#include <ffmpeg/avcodec.h>
#include <ffmpeg/avformat.h>

#define WINWIDTH 1024
#define WINHEIGHT 800

typedef struct _videostruct {

  AVFormatContext *pFormatCtx;

} VideoStruct;

VideoStruct *vidst;

typedef struct _guistruct {
  AG_Window *win;
  AG_Menu *mainmenu;
  AG_MenuItem *file;
  SDL_Surface *screen;
} GUIStruct;

GUIStruct *guist;


void openRealFile(AG_Event *e) {
  // apparently you have to use *event to use the macros right
  char *filename = e->argv[1].s; // s for String
  if(av_open_input_file(&vidst->pFormatCtx, filename, NULL, 0, NULL)!=0) {
    printf("FAILURE\n");
    exit(1);
  }
}

void openFile(AG_Event *event) {
  AG_FileDlg *filedlg;
  AG_Window *filewin;
  GUIStruct *gui=guist;

  filewin = AG_WindowNew(0);
  
  filedlg = AG_FileDlgNew(filewin, AG_FILEDLG_EXPAND);
  AG_FileDlgSetDirectory(filedlg, "/home/stdrange"); // BAD! BAD CODER!
  AG_SetEvent(filedlg, "file-chosen", openRealFile, NULL);
  
  AG_WindowShow(filewin);

  return;
}

void exitProgram(AG_Event *e) {
  // exit
  exit(0);
}

int main(int argc, char **argv) {
  VideoStruct *is;
  GUIStruct *gui;

  if(AG_InitCore("hello", 0) == -1 ||
     AG_InitVideo(WINWIDTH,WINHEIGHT,32,AG_VIDEO_RESIZABLE) == -1) {
    return(1);
  }
  AG_InitInput(0);
 
  gui = av_mallocz(sizeof(GUIStruct));

  // open our main window
  gui->win = AG_WindowNew(AG_WINDOW_NOMINIMIZE |
			  AG_WINDOW_NOCLOSE);
  gui->mainmenu = AG_MenuNew(gui->win, AG_MENU_HFILL);
  gui->file = AG_MenuAddItem(gui->mainmenu, "File");
  AG_MenuAction(gui->file, "Open...", -1, openFile, NULL);
  AG_MenuAction(gui->file, "Exit", -1, exitProgram, NULL);

  AG_WindowShow(gui->win);

  gui->screen = SDL_CreateRGBSurface(SDL_HWSURFACE, 300, 200, 32, 0, 0, 0, 0);

  AG_PixmapFromSurface(gui->win, 0, gui->screen);

  av_register_all();
  is = av_mallocz(sizeof(VideoStruct));
  vidst = is;
  guist = gui;

  AG_WindowSetGeometry(gui->win, 0, 0, WINWIDTH - 40, WINHEIGHT - 40);
  AG_WindowSetCaption(gui->win, "sublime test02");
  AG_EventLoop();

}