#define LREF_H_IMPLEMENTATION
#include "lref.h"
#include "track_wrapper/track_wrapper.h"

#include <raylib.h>

int main(int argc, char** argv) {
  if (argc < 3) return EXIT_FAILURE;
  uint32_t index = atoi(argv[1]);
  struct simulation sim = simulation_new();
  load_sol_track(&sim, argv[2], index);
  bool playing = false;

  const int screenWidth = 800;
  const int screenHeight = 450;

  InitWindow(screenWidth, screenHeight, "lref test frontend");

  Camera2D camera = { 0 };
  camera.offset = (Vector2){screenWidth/2.0f, screenHeight/2.0f};
  camera.rotation = 0.0f;
  camera.zoom = 4.0f;

  SetTargetFPS(40);

  while (!WindowShouldClose()) {
    Vector2 camera_target = {0};
    for (int i = 0; i < POINT_COUNT; i++) {
      camera_target.x += sim.bosh.points[i].x;
      camera_target.y += sim.bosh.points[i].y;
    }
    camera_target.x /= POINT_COUNT;
    camera_target.y /= POINT_COUNT;
    camera.target = camera_target;
    if (IsKeyPressed(KEY_SPACE)) {
      playing = !playing;
    }
    BeginDrawing();
    ClearBackground(WHITE);
    BeginMode2D(camera);
    {// draw bosh
      for (int i = 0; i < BONE_COUNT; i++) {
        struct bone bone = sim.bosh.bones[i];
        struct point A = sim.bosh.points[bone.a];
        struct point B = sim.bosh.points[bone.b];
        DrawLineV((Vector2){A.x, A.y}, (Vector2){B.x, B.y}, BLACK);
      }
    }
    {// draw lines
      for (size_t i = 0; i < sim.line_count; i++) {
        struct line line = sim.lines[i];
        DrawLineV((Vector2){line.x1, line.y1}, (Vector2){line.x2, line.y2}, BLACK);
      }
    }
    EndMode2D();
    EndDrawing();

    if (playing || IsKeyPressed(KEY_RIGHT)) simulation_step_frame(&sim);
  }

  CloseWindow();

  return 0;
}