/**
 * Orthanc - A Lightweight, RESTful DICOM Store
 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
 * Department, University Hospital of Liege, Belgium
 * Copyright (C) 2017-2023 Osimis S.A., Belgium
 * Copyright (C) 2024-2026 Orthanc Team SRL, Belgium
 * Copyright (C) 2021-2026 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
 *
 * This program 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.
 *
 * This program 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 this program. If not, see
 * <http://www.gnu.org/licenses/>.
 **/


#pragma once

#if !defined(ORTHANC_SANDBOXED)
#  error The macro ORTHANC_SANDBOXED must be defined
#endif

#if ORTHANC_SANDBOXED == 1
#  error The class StorageAccessor cannot be used in sandboxed environments
#endif

#if !defined(ORTHANC_ENABLE_CIVETWEB)
#  error Macro ORTHANC_ENABLE_CIVETWEB must be defined to use this file
#endif

#if !defined(ORTHANC_ENABLE_MONGOOSE)
#  error Macro ORTHANC_ENABLE_MONGOOSE must be defined to use this file
#endif

#include "FileInfo.h"
#include "IStorageArea.h"
#include "StorageRange.h"

#if ORTHANC_ENABLE_CIVETWEB == 1 || ORTHANC_ENABLE_MONGOOSE == 1
#  include "../HttpServer/BufferHttpSender.h"
#  include "../RestApi/RestApiOutput.h"
#endif

#include <vector>
#include <boost/noncopyable.hpp>

namespace Orthanc
{
  class MetricsRegistry;

  /**
   * This class handles the compression/decompression of the raw files
   * contained in the storage area, and monitors timing metrics (if
   * enabled).
   **/
  class ORTHANC_PUBLIC ORTHANC_DEPRECATED_CLASS(StorageAccessor) : boost::noncopyable
  {
  private:
    class MetricsTimer;

    IPluginStorageArea&  area_;
    MetricsRegistry*     metrics_;

#if ORTHANC_ENABLE_CIVETWEB == 1 || ORTHANC_ENABLE_MONGOOSE == 1
    void SetupSender(BufferHttpSender& sender,
                     const FileInfo& info,
                     const std::string& mime);
#endif

  public:
    explicit StorageAccessor(IPluginStorageArea& area);

    StorageAccessor(IPluginStorageArea& area,
                    MetricsRegistry& metrics);

    void Write(FileInfo& info /* out */,
               const void* data,
               size_t size,
               FileContentType type,
               CompressionType compression,
               bool storeMd5,
               const DicomInstanceToStore* instance);

    void Write(FileInfo& info /* out */,
               const void* data,
               size_t size,
               FileContentType type,
               CompressionType compression,
               const std::string& precomputedMd5,
               bool storeMd5,
               const DicomInstanceToStore* instance);

    void Read(std::string& content,
              const FileInfo& info);

    void ReadRaw(std::string& content,
                 const FileInfo& info);

    void ReadStartRange(std::string& target,
                        const FileInfo& info,
                        uint64_t end /* exclusive */);

    void Remove(const std::string& fileUuid,
                FileContentType type,
                const std::string& customData);

    void Remove(const FileInfo& info);

    void ReadRange(std::string& target,
                   const FileInfo& info,
                   const StorageRange& range,
                   bool uncompressIfNeeded);

#if ORTHANC_ENABLE_CIVETWEB == 1 || ORTHANC_ENABLE_MONGOOSE == 1
    void AnswerFile(HttpOutput& output,
                    const FileInfo& info,
                    MimeType mime,
                    const std::string& contentFilename);

    void AnswerFile(HttpOutput& output,
                    const FileInfo& info,
                    const std::string& mime,
                    const std::string& contentFilename);

    void AnswerFile(RestApiOutput& output,
                    const FileInfo& info,
                    MimeType mime,
                    const std::string& contentFilename);

    void AnswerFile(RestApiOutput& output,
                    const FileInfo& info,
                    const std::string& mime,
                    const std::string& contentFilename);
#endif
  };
}