// SDL2 Demo by aurelien.esnard@u-bordeaux.fr
     
#include <SDL.h>
#include <SDL_image.h>  // required to load transparent texture from PNG
#include <SDL_ttf.h>    // required to use TTF fonts     
#include <stdio.h>
#include <stdbool.h>
#include "model.h"
         
/* **************************************************************** */
     
int main(int argc, char * argv[])
{ 
  /* initialize SDL2 and some extensions */
  if(SDL_Init(SDL_INIT_VIDEO) != 0) ERROR("Error: SDL_Init VIDEO (%s)", SDL_GetError());  
  if(IMG_Init(IMG_INIT_PNG & IMG_INIT_PNG) != IMG_INIT_PNG) ERROR("Error: IMG_Init PNG (%s)", SDL_GetError());  
  if(TTF_Init() != 0) ERROR("Error: TTF_Init (%s)", SDL_GetError());  
     
  /* create window and renderer */
  SDL_Window * win = SDL_CreateWindow(APP_NAME, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
    				      SCREEN_WIDTH, SCREEN_HEIGHT, SDL_WINDOW_SHOWN | SDL_WINDOW_RESIZABLE);
  if(!win) ERROR("Error: SDL_CreateWindow (%s)", SDL_GetError());  
  SDL_Renderer * ren = SDL_CreateRenderer(win, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
  if(!ren) ERROR("Error: SDL_CreateRenderer (%s)", SDL_GetError());  
     
  /* initialize your environment */
  Env * env = init(win, ren, argc, argv);
     
  /* main render loop */
  bool quit = false;
  while (!quit) {
     
    /* manage events */
    SDL_Event e;
    while (SDL_PollEvent(&e)) {
      /* process your events */
      quit = process(win, ren, env, &e);
      if(quit) break;
    }
     
    /* background in gray */
    SDL_SetRenderDrawColor(ren, 0xA0, 0xA0, 0xA0, 0xFF); 
    SDL_RenderClear(ren);
     
    /* render all what you want */    
    render(win, ren, env); 
    SDL_RenderPresent(ren);
    SDL_Delay(10);
  }
     
  /* clean your environment */
  clean(win, ren, env);
  
  SDL_DestroyRenderer(ren);
  SDL_DestroyWindow(win);
  IMG_Quit();
  TTF_Quit();  
  SDL_Quit();
     
  return EXIT_SUCCESS;
}