#include "search/editor_delegate.hpp"

#include "search/reverse_geocoder.hpp"

#include "indexer/feature_decl.hpp"
#include "indexer/index.hpp"
#include "indexer/index.hpp"
#include "indexer/index_helpers.hpp"

namespace search
{
EditorDelegate::EditorDelegate(Index const & index) : m_index(index) {}

MwmSet::MwmId EditorDelegate::GetMwmIdByMapName(string const & name) const
{
  return m_index.GetMwmIdByCountryFile(platform::CountryFile(name));
}

unique_ptr<FeatureType> EditorDelegate::GetOriginalFeature(FeatureID const & fid) const
{
  auto feature = make_unique<FeatureType>();
  Index::FeaturesLoaderGuard const guard(m_index, fid.m_mwmId);
  if (!guard.GetOriginalFeatureByIndex(fid.m_index, *feature))
    return unique_ptr<FeatureType>();
  feature->ParseEverything();
  return feature;
}

string EditorDelegate::GetOriginalFeatureStreet(FeatureType & ft) const
{
  search::ReverseGeocoder const coder(m_index);
  auto const streets = coder.GetNearbyFeatureStreets(ft);
  if (streets.second < streets.first.size())
    return streets.first[streets.second].m_name;
  return {};
}

void EditorDelegate::ForEachFeatureAtPoint(osm::Editor::TFeatureTypeFn && fn,
                                           m2::PointD const & point) const
{
  auto const kToleranceMeters = 1e-2;
  indexer::ForEachFeatureAtPoint(m_index, move(fn), point, kToleranceMeters);
}
}  // namespace search