#include "ok_game.h"
#include "ok_render.h"
#include <stdio.h>
#include <SDL.h>

#ifndef OPENKKND_VERSION
#define OPENKKND_VERSION "dev"
#endif

int main(int argc, char **argv) {
  (void)argc;
  (void)argv;
  printf("OpenKKND %s — original genre RTS (MIT). No commercial IP assets.\n", OPENKKND_VERSION);

  const int tw = 12;
  if (!ok_render_init(OK_MAP_W * tw, OK_MAP_H * tw)) {
    fprintf(stderr, "render init failed\n");
    return 1;
  }

  OkGame game;
  ok_game_init(&game);

  Uint64 prev = SDL_GetPerformanceCounter();
  const Uint64 freq = SDL_GetPerformanceFrequency();

  while (game.running || true) {
    SDL_Event e;
    while (SDL_PollEvent(&e)) {
      if (e.type == SDL_QUIT) goto done;
      if (e.type == SDL_KEYDOWN && e.key.keysym.sym == SDLK_ESCAPE) goto done;
      if (e.type == SDL_KEYDOWN && e.key.keysym.sym == SDLK_r) ok_game_init(&game);
    }
    Uint64 now = SDL_GetPerformanceCounter();
    float dt = (float)(now - prev) / (float)freq;
    prev = now;
    if (dt > 0.05f) dt = 0.05f;
    if (game.running) ok_game_update(&game, dt);
    ok_render_draw(&game);
  }
done:
  ok_render_shutdown();
  return 0;
}