#include "SDL2/SDL.h"
#include <SDL2/SDL_events.h>
#include <SDL2/SDL_hints.h>
#include <SDL2/SDL_keycode.h>
#include <SDL2/SDL_rect.h>
#include <SDL2/SDL_render.h>
#include <SDL2/SDL_thread.h>
#include <SDL2/SDL_timer.h>
#include <SDL2/SDL_video.h>
#include <SDL2/SDL_image.h>
#include <SDL2/SDL_ttf.h>

const int SCREEN_WIDTH = 1280;
const int SCREEN_HEIGHT = 720;

typedef struct {
    SDL_Window *window;
    SDL_Renderer *renderer;
    TTF_Font* font;
}   App;

App app;

void Cleanup(void);
void HandleInput(void);

int main(int argc, char** argv) {
    memset(&app, 0, sizeof(app));

    atexit(Cleanup);

    if (SDL_Init(SDL_INIT_VIDEO) < 0){
        printf("SDL failed: %s\n", SDL_GetError());
        return -1;
    }

    app.window = SDL_CreateWindow("SDL Tutorial", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, SCREEN_WIDTH, SCREEN_HEIGHT, SDL_WINDOW_SHOWN);

    if (app.window == NULL){
        printf("Window creation failed: %s\n", SDL_GetError());
        return -1;
    }

    SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear");

    app.renderer = SDL_CreateRenderer(app.window, -1, SDL_RENDERER_ACCELERATED);

    if (app.renderer == NULL) {
        printf("Renderer failed: %s\n", SDL_GetError());
        return -1;
    }

    while(1){

        HandleInput();

        SDL_Delay(16);

        SDL_RenderPresent(app.renderer);
    }
}

void Cleanup(void) {
    SDL_DestroyWindow(app.window);
    SDL_DestroyRenderer(app.renderer);
    TTF_Quit();
    SDL_Quit();
}

void HandleInput(void) {
  SDL_Event event;
  while(SDL_PollEvent(&event)) {
    switch (event.type) {
      case SDL_QUIT:
        exit(0);
        break;
      case SDL_MOUSEBUTTONDOWN:
        exit(0);
      case SDL_KEYDOWN:
      default:
        break;
    }
  }
}