#ifndef _OWLPS_POSITIONING_STOCK_HH_
#define _OWLPS_POSITIONING_STOCK_HH_

#include "mobile.hh"
#include "accesspoint.hh"
#include "referencepoint.hh"
#include "calibrationrequest.hh"

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

/// Storage class
class Stock
{
private:
  /// List of known Mobile
  static std::tr1::unordered_map<std::string, Mobile> mobiles ;

  /// List of known AccessPoint
  static std::tr1::unordered_map<std::string, AccessPoint> aps ;

  /// List of known ReferencePoint
  static std::tr1::unordered_set<ReferencePoint> reference_points ;

  /// List of known CalibrationRequest
  static std::tr1::unordered_set<CalibrationRequest> calibration_requests ;

public:
  /// Read the Mobile corresponding to a given MAC address
  static const Mobile& get_mobile(const std::string &mac) ;
  /// Get a reference to the Mobile corresponding to a given MAC address
  static Mobile& getw_mobile(const std::string &mac) ;

  /// Read the AccessPoint corresponding to a given MAC address
  static const AccessPoint& get_ap(const std::string &mac) ;
  /// Get a reference to the AccessPoint corresponding to a given MAC address
  static AccessPoint& getw_ap(const std::string &mac) ;

  /// Look for a ReferencePoint and create it if it does not exist
  static const ReferencePoint&
  find_create_reference_point(const ReferencePoint &point) ;

  /// Get a reference to a CalibrationRequest
  static const CalibrationRequest&
  find_create_calibration_request(const CalibrationRequest &request) ;

  /// Deletes all elements in all attributes
  static void clear(void) ;
} ;



/* *** Accessors *** */


/**
 * If the Mobile corresponding to \em mac does not exist, it is created.
 * @param mac The MAC address of the Mobile to search for. It must be a
 * valid MAC address, as no check is performed.
 * @return A modifiable reference to the Mobile.
 */
inline Mobile& Stock::getw_mobile(const std::string &mac)
{
  return mobiles[mac] ;
}


/**
 * If the AccessPoint corresponding to \em mac does not exist, it is
 * created.
 * @param mac The MAC address of the AccessPoint to search for.
 * It must be a valid MAC address, as no check is performed.
 * @return A modifiable reference to the AccessPoint.
 */
inline AccessPoint& Stock::getw_ap(const std::string &mac)
{
  return aps[mac] ;
}



#endif // _OWLPS_POSITIONING_STOCK_HH_