#include "aliases.h"
#include "generator/gen_argparser.h"
#include "generator/generator.h"
#include "haversine.h"
#include "point_types.h"
#include <stdio.h>
#include <stdlib.h>

i32 main(i32 argc, char *argv[]) {
  GeneratorArgs args = parse_args(argc, argv);

  srand(args.seed);

  PairArray arr = {args.count, NULL};
  arr.pairs = (PointPair *)malloc(arr.count * sizeof(PointPair));

  fill_pairs_array(&arr, args.clustered);

  write_pairs_to_json(arr, "pairs.json");

  FILE *fp = fopen("count_and_distances", "w");

  if (fp) {
    fwrite(&(arr.count), sizeof(arr.count), 1, fp);

    f64 sum = 0.0;
    for (u64 i = 0; i < arr.count; ++i) {
      f64 distance = haversine_of_degrees(arr.pairs[i], EARTH_RADIUS_KM);

      fwrite(&distance, sizeof(f64), 1, fp);

      sum += distance;
    }
    printf("\nAVERAGE DISTANCE: %f\n", sum / arr.count);

    fclose(fp);
  }

  free(arr.pairs);

  return 0;
}