#pragma once

#include "indexer/mwm_set.hpp"

#include "std/cstdint.hpp"
#include "std/string.hpp"
#include "std/utility.hpp"

namespace feature
{
enum EGeomType
{
  GEOM_UNDEFINED = -1,
  // Note! do not change this values. Should be equal with FeatureGeoType.
  GEOM_POINT = 0,
  GEOM_LINE = 1,
  GEOM_AREA = 2
};
}  // namespace feature

string DebugPrint(feature::EGeomType type);

struct FeatureID
{
  static char const * const kInvalidFileName;
  static int64_t const kInvalidMwmVersion;

  MwmSet::MwmId m_mwmId;
  uint32_t m_index;

  FeatureID() : m_index(0) {}
  FeatureID(MwmSet::MwmId const & mwmId, uint32_t index) : m_mwmId(mwmId), m_index(index) {}

  bool IsValid() const { return m_mwmId.IsAlive(); }

  inline bool operator<(FeatureID const & r) const
  {
    if (m_mwmId == r.m_mwmId)
      return m_index < r.m_index;
    else
      return m_mwmId < r.m_mwmId;
  }

  inline bool operator==(FeatureID const & r) const
  {
    return (m_mwmId == r.m_mwmId && m_index == r.m_index);
  }

  inline bool operator!=(FeatureID const & r) const { return !(*this == r); }

  string GetMwmName() const;
  int64_t GetMwmVersion() const;

  friend string DebugPrint(FeatureID const & id);
};