#include "request.hh"
#include "mobile.hh"

using namespace std ;
using std::tr1::unordered_map ;



/* *** Constructors *** */


Request::Request(const unordered_map<string, Measurement> &_measurements)
{
  mobile = NULL ;
  timestamp.tv_sec = 0 ;
  timestamp.tv_nsec = 0 ;
  measurements = _measurements ;
}


Request::Request(const struct timespec &_timestamp,
                 const unordered_map<string, Measurement> &_measurements)
{
  mobile = NULL ;
  timestamp = _timestamp ;
  measurements = _measurements ;
}


Request::Request(const Mobile *_mobile, const struct timespec &_timestamp,
                 const unordered_map<string, Measurement> &_measurements)
{
  mobile = (Mobile*) _mobile ;
  timestamp = _timestamp ;
  measurements = _measurements ;
}



/**
 * Note that the value pointed by #mobile is not deleted.
 */
Request::~Request()
{
  measurements.clear() ;
}



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


/**
 * - #mobile is NULLified, but the value it pointed to is not deleted.
 * - The fields of #timestamp are initialised to 0.
 * - #measurements is cleared.
 */
void Request::clear()
{
  mobile = NULL ;
  timestamp.tv_sec = 0 ;
  timestamp.tv_nsec = 0 ;
  measurements.clear() ;
}



/* *** Operators *** */


ostream &operator<<(ostream &os, const Request &r)
{
  // Timestamp
  os
      << "At " << PosUtil::timespec_to_ns(r.timestamp) << "; " ;

  // MAC address
  os
      << "Mobile: "
      << (r.mobile != NULL ? r.mobile->get_mac_addr() : "Unknown_Mobile")
      << ":" ;

  // List of Measurements
  if (r.measurements.size() == 0)
    os << " No values" ;
  else
    for (unordered_map<string, Measurement>::const_iterator i
         = r.measurements.begin() ; i != r.measurements.end() ; ++i)
      {
        os << '\n' << i->first << ": " << i->second ;
      }

  return os ;
}