/*

 * HEIF codec.

 * Copyright (c) 2023 Dirk Farin <dirk.farin@gmail.com>

 * Copyright (c) 2025 Brad Hards <bradh@frogmouth.net>

 *

 * This file is part of libheif.

 *

 * libheif is free software: you can redistribute it and/or modify

 * it under the terms of the GNU Lesser General Public License as

 * published by the Free Software Foundation, either version 3 of

 * the License, or (at your option) any later version.

 *

 * libheif is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public License

 * along with libheif.  If not, see <http://www.gnu.org/licenses/>.

 */

#ifndef LIBHEIF_TEXT_H

#define LIBHEIF_TEXT_H

#include <cstring>

#include <memory>

#include <mutex>

#include <string_view>

#include <utility>

#include <vector>

#include "error.h"

#include "libheif/heif_text.h"

#include "security_limits.h"

class HeifFile;

class TextItem

{

public:

  TextItem() = default;

  TextItem(heif_item_id itemId, const char *text) : m_item_id(itemId)

  {

    m_data.assign(text, text + std::strlen(text));

  }

  TextItem(heif_item_id itemId, std::shared_ptr<HeifFile> file)

      : m_item_id(itemId), m_source(std::move(file)) {}

  Error parse(std::vector<uint8_t>&& data, const heif_security_limits* limits);

  Result<std::vector<uint8_t>> encode() const;

  heif_item_id get_item_id() const {

    return m_item_id;

  }

  void set_item_id(heif_item_id id) {

    m_item_id = id;

  }

  Result<std::string_view> get_item_text(size_t max_output_size = SIZE_MAX);

private:

  heif_item_id m_item_id = 0;

  MemoryHandle m_memory_handle;

  std::vector<uint8_t> m_data;

  std::shared_ptr<HeifFile> m_source;

  std::mutex m_load_mutex;

};

#endif // LIBHEIF_TEXT_H