// © 2019 and later: Unicode, Inc. and others.

// License & terms of use: http://www.unicode.org/copyright.html

#ifndef FUZZER_UTILS_H_

#define FUZZER_UTILS_H_

#include <assert.h>

#include "unicode/locid.h"

#include "unicode/numsys.h"

#include "unicode/strenum.h"

struct IcuEnvironment {

  IcuEnvironment() {

    // nothing to initialize yet;

  }

};

const icu::Locale& GetRandomLocale(uint16_t rnd) {

  int32_t num_locales = 0;

  const icu::Locale* locales = icu::Locale::getAvailableLocales(num_locales);

  assert(num_locales > 0);

  return locales[rnd % num_locales];

}

const icu::NumberingSystem* CreateRandomNumberingSystem(uint16_t rnd, UErrorCode &status) {

  std::unique_ptr<icu::StringEnumeration> se(icu::NumberingSystem::getAvailableNames(status));

  if (U_FAILURE(status)) return nullptr;

  int32_t count = se->count(status);

  if (U_FAILURE(status)) return nullptr;

  int32_t index = rnd % count;

  se->reset(status);

  for (int32_t i = 0; i < index - 1; i++, se->next(nullptr, status)) {

      // empty

  }

  const char* name = se->next(nullptr, status);

  if (U_FAILURE(status)) return nullptr;

  return icu::NumberingSystem::createInstanceByName(name, status);

}

#endif  // FUZZER_UTILS_H_