#include "raylib.h"
#include <math.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>

#include "game.h"
#include "ui.h"

static GameState_t game_state;

int main() {
  srand(time(NULL));

  FILE *game_file = fopen("save.dat", "rb");
  if (game_file != NULL) {
    if (fread(&game_state, sizeof(GameState_t), 1, game_file) != 1) {
      reset_board(&game_state);
    }
    fclose(game_file);
  } else {
    reset_board(&game_state);
  }

  SetConfigFlags(FLAG_WINDOW_HIGHDPI);
  InitWindow(WINDOW_WIDTH, WINDOW_HEIGHT, "2048");
  SetTargetFPS(90); // We have event blocking so we can affort higher FPS
  EnableEventWaiting();

  while (!WindowShouldClose()) {
    BeginDrawing();
    ClearBackground(RAYWHITE);

    // If we are not animating, we can wait for input events instead of continuously rendering
    bool animating = render(&game_state);
    if (animating) {
      DisableEventWaiting();
    } else {
      EnableEventWaiting();
    }

    EndDrawing();
    handle_mouse_input(&game_state);
    handle_keyboard_input(&game_state);
  }
  CloseWindow();
  return 0;
}