/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2011 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation;
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Author: Manuel Requena <manuel.requena@cttc.es>
 */


#include "ns3/core-module.h"
#include "ns3/network-module.h"
#include "ns3/mobility-module.h"
#include "ns3/lte-module.h"
#include "ns3/config-store-module.h"


using namespace ns3;

int main (int argc, char *argv[])
{
  // Command line arguments
  CommandLine cmd;
  cmd.Parse (argc, argv);

  ConfigStore inputConfig;
  inputConfig.ConfigureDefaults ();

  // parse again so you can override default values from the command line
  cmd.Parse (argc, argv);

  Ptr<LteHelper> lteHelper = CreateObject<LteHelper> ();

  lteHelper->SetAttribute ("PathlossModel", StringValue ("ns3::FriisSpectrumPropagationLossModel"));
  // Enable LTE log components
  //lteHelper->EnableLogComponents ();

  // Create Nodes: eNodeB and UE
  NodeContainer enbNodes;
  NodeContainer ueNodes;
  enbNodes.Create (1);
  ueNodes.Create (3);

  // Install Mobility Model
  MobilityHelper mobility;
  mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
  mobility.Install (enbNodes);
  mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
  mobility.Install (ueNodes);

  // Create Devices and install them in the Nodes (eNB and UE)
  NetDeviceContainer enbDevs;
  NetDeviceContainer ueDevs;
  enbDevs = lteHelper->InstallEnbDevice (enbNodes);
  ueDevs = lteHelper->InstallUeDevice (ueNodes);

  // Attach a UE to a eNB
  lteHelper->Attach (ueDevs, enbDevs.Get (0));

  // Activate an EPS bearer
  enum EpsBearer::Qci q = EpsBearer::GBR_CONV_VOICE;
  EpsBearer bearer (q);
  lteHelper->ActivateDataRadioBearer (ueDevs, bearer);

  Simulator::Stop (Seconds (0.5));

  lteHelper->EnablePhyTraces ();
  lteHelper->EnableMacTraces ();
  lteHelper->EnableRlcTraces ();


  double distance_temp [] = { 1000,1000,1000};
  std::vector<double> userDistance;
  userDistance.assign (distance_temp, distance_temp + 3);
  for (int i = 0; i < 3; i++)
    {
      Ptr<ConstantPositionMobilityModel> mm = ueNodes.Get (i)->GetObject<ConstantPositionMobilityModel> ();
      mm->SetPosition (Vector (userDistance[i], 0.0, 0.0));
    } 

  Simulator::Run ();

  // Uncomment to show available paths
  // GtkConfigStore config;
  // config.ConfigureAttributes ();

  Simulator::Destroy ();

  return 0;
}