// Copyright 2025 Mikhail Khachaiants <mkhachaiants@gmail.com>

//

// Licensed under the Apache License, Version 2.0 (the "License");

// you may not use this file except in compliance with the License.

// You may obtain a copy of the License at

//

//      http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS IS" BASIS,

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

// See the License for the specific language governing permissions and

// limitations under the License.

#ifndef URI_FUZZING_UTILS_H

#define URI_FUZZING_UTILS_H 1

#include "uriparser/Uri.h"

#include <fuzzer/FuzzedDataProvider.h>

#include <string>

using UriString = std::basic_string<URI_CHAR>;

inline UriString tryConsumeBytesAsString(FuzzedDataProvider & fdp, size_t chars) {

  UriString str(chars, 0);

  const size_t bytes = fdp.ConsumeData(str.data(), chars * sizeof(URI_CHAR));

  // FuzzedDataProvider may provide less data than requested if the input is

  // insufficiently long. We need to adjust the string length accordingly.

  str.resize(bytes / sizeof(URI_CHAR));

  return str;

}

inline UriString consumeRandomLengthString(FuzzedDataProvider & fdp) {

  const size_t max_chars = fdp.remaining_bytes() / sizeof(URI_CHAR);

  const size_t chars = fdp.ConsumeIntegralInRange<size_t>(0, max_chars);

  return tryConsumeBytesAsString(fdp, chars);

}

inline UriString consumeRemainingBytesAsString(FuzzedDataProvider & fdp) {

  const size_t chars = fdp.remaining_bytes() / sizeof(URI_CHAR);

  return tryConsumeBytesAsString(fdp, chars);

}

#endif /* URI_FUZZING_UTILS_H */