#ifndef _OWLPS_POSITIONING_BUILDING_HH_
#define _OWLPS_POSITIONING_BUILDING_HH_

class Area ;
class Waypoint ;

#include <string>
#include <ostream>
#include <boost/tr1/unordered_set.hpp>
#include <boost/tr1/unordered_map.hpp>

/// Represents a building, containing one or more Area
class Building
{
protected:
  std::string name ;
  /// List of Area contained in the Building
  std::tr1::unordered_map<std::string, Area*> areas ;
  /// List of Waypoint in the Building
  std::tr1::unordered_set<Waypoint*> waypoints ;

public :
  Building(const std::string &_name = "Unnamed building"):
    name(_name) {}

  Building(const Building &source):
    name(source.name), areas(source.areas),
    waypoints(source.waypoints) {}

  ~Building(void) ;

  /** @name Read accessors */
  //@{
  const std::string& get_name(void) const ;
  const std::tr1::unordered_map<std::string, Area*>&
  get_areas(void) const ;
  const std::tr1::unordered_set<Waypoint*>& get_waypoints(void) const ;
  //@}

  /** @name Write accessors */
  //@{
  void set_name(const std::string &_name) ;
  /// Adds an Area to the \link #areas list of areas\endlink
  void add_area(Area *&a) ;
  /// Adds a Waypoint to the \link #waypoints list of waypoints\endlink
  void add_waypoint(const Waypoint *wp) ;
  //@}

  /** @name Operators */
  //@{
  const Building& operator=(const Building &source) ;
  bool operator==(const Building &source) const ;
  bool operator!=(const Building &source) const ;
  //@}

  /// Displays a Building
  friend std::ostream& operator<<(std::ostream &os, const Building &b) ;
} ;



/* *** Read accessors *** */


inline const std::string& Building::get_name() const
{
  return name ;
}


inline const std::tr1::unordered_map<std::string, Area*>&
Building::get_areas() const
{
  return areas ;
}


inline const std::tr1::unordered_set<Waypoint*>&
Building::get_waypoints() const
{
  return waypoints ;
}



/* *** Write accessors *** */


inline void Building::set_name(const std::string &_name)
{
  name = _name ;
}


/**
 * @param wp A pointer to the Waypoint to add. If \em wp is NULL,
 * nothing will be added.
 */
inline void Building::add_waypoint(const Waypoint *wp)
{
  if (wp != NULL)
    waypoints.insert(const_cast<Waypoint*>(wp)) ;
}



/* *** Operators *** */


inline bool Building::operator!=(const Building &b) const
{
  return !(*this == b) ;
}



#endif // _OWLPS_POSITIONING_BUILDING_HH_