#include "argparser.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>

void print_usage();

bool strequals(const char *str1, const char *str2);

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

  if (argc < 2) {
    print_usage();

    return {PARSE_STATUS_FAILED, args};
  }

  bool seeded = false;
  bool positional_complete = false;

  for (i32 i = 1; i < argc; ++i) {
    if (strequals(argv[i], "-h") || strequals(argv[i], "--help")) {
      print_usage();

      return {PARSE_STATUS_HELP, {}};
    } else if (strequals(argv[i], "--seed")) {
      if (i + 1 < argc) {
        args.seed = strtoul(argv[++i], NULL, 10);
        seeded = true;
      }
    } else if (strequals(argv[i], "--cluster")) {
      args.clustered = true;
    } else {
      args.count = strtoull(argv[i], NULL, 10);
      positional_complete = true;
    }
  }

  if (!seeded) {
    args.seed = time(NULL);
  }

  if (!positional_complete) {
    print_usage();

    return {PARSE_STATUS_FAILED, args};
  }

  return {PARSE_STATUS_SUCCEEDED, args};
}

void print_usage() {
  printf("Usage: main [-h] [--seed SEED] [--cluster] COUNT\n");
}

bool strequals(const char *str1, const char *str2) {
  return strcmp(str1, str2) == 0;
}