/**
 * Orthanc - A Lightweight, RESTful DICOM Store
 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
 * Department, University Hospital of Liege, Belgium
 * Copyright (C) 2017-2018 Osimis S.A., Belgium
 *
 * This program is free software: you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * In addition, as a special exception, the copyright holders of this
 * program give permission to link the code of its release with the
 * OpenSSL project's "OpenSSL" library (or with modified versions of it
 * that use the same license as the "OpenSSL" library), and distribute
 * the linked executables. You must obey the GNU General Public License
 * in all respects for all of the code used other than "OpenSSL". If you
 * modify file(s) with this exception, you may extend this exception to
 * your version of the file(s), but you are not obligated to do so. If
 * you do not wish to do so, delete this exception statement from your
 * version. If you delete this exception statement from all source files
 * in the program, then also delete it here.
 * 
 * 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 **/


#pragma once

#include "DicomTagConstraint.h"

namespace Orthanc
{
  class DatabaseLookup : public boost::noncopyable
  {
  private:
    class TagInfo
    {
    private:
      DicomTagType  type_;
      ResourceType  level_;

    public:
      TagInfo() :
        type_(DicomTagType_Generic),
        level_(ResourceType_Instance)
      {
      }

      TagInfo(DicomTagType type,
              ResourceType level) :
        type_(type),
        level_(level)
      {
      }

      DicomTagType GetType() const
      {
        return type_;
      }

      ResourceType GetLevel() const
      {
        return level_;
      }
    };

    std::vector<DicomTagConstraint*>  constraints_;
    std::map<DicomTag, TagInfo>       tags_;

    void LoadTags(ResourceType level);

  public:
    DatabaseLookup();

    ~DatabaseLookup();

    void Reserve(size_t n)
    {
      constraints_.reserve(n);
    }

    size_t GetConstraintsCount() const
    {
      return constraints_.size();
    }

    const DicomTagConstraint& GetConstraint(size_t index) const;

    void AddConstraint(DicomTagConstraint* constraint);  // Takes ownership

    bool IsMatch(const DicomMap& value);

    void AddDicomConstraint(const DicomTag& tag,
                            const std::string& dicomQuery,
                            bool caseSensitivePN);
  };
}