/* -*-  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.h"

//#include "ns3/gtk-config-store.h"

using namespace ns3;

// position functions insipred by /examples/wireless/wifi-ap.cc

static void

SetPosition (Ptr<Node> node, Vector position)

{

  Ptr<MobilityModel> mobility = node->GetObject<MobilityModel> ();

  mobility->SetPosition (position);

}

static Vector

GetPosition (Ptr<Node> node)

{

  Ptr<MobilityModel> mobility = node->GetObject<MobilityModel> ();

  return mobility->GetPosition ();

}

static void 

ChangePosition (Ptr<Node> node) 

{

  Vector pos = GetPosition (node);

  if (pos.x <= 10.0) 

    {

      pos.x = 100000.0; // force CQI to 0

    }

  else

    {

      pos.x = 5.0;

    }

  SetPosition (node, pos);

}

int main (int argc, char *argv[])

{	

  CommandLine cmd;

  cmd.Parse (argc, argv);

  // to save a template default attribute file run it like this:

  // ./waf --command-template="%s --ns3::ConfigStore::Filename=input-defaults.txt --ns3::ConfigStore::Mode=Save --ns3::ConfigStore::FileFormat=RawText" --run src/lte/examples/lena-first-sim

  //

  // to load a previously created default attribute file

  // ./waf --command-template="%s --ns3::ConfigStore::Filename=input-defaults.txt --ns3::ConfigStore::Mode=Load --ns3::ConfigStore::FileFormat=RawText" --run src/lte/examples/lena-first-sim

  ConfigStore inputConfig;

  inputConfig.ConfigureDefaults ();

  // parse again so you can override default values from the command line

  cmd.Parse (argc, argv);

  Ptr<LenaHelper> lena = CreateObject<LenaHelper> ();

  //lena->EnableLogComponents ();

  //   LogComponentEnable ("LtePhy", LOG_LEVEL_ALL);

  LogComponentEnable ("LteEnbPhy", LOG_LEVEL_ALL);

  //   LogComponentEnable ("LteUePhy", LOG_LEVEL_ALL);

  LogComponentEnable ("PfFfMacScheduler", LOG_LEVEL_ALL);

  LogComponentEnable ("RrFfMacScheduler", LOG_LEVEL_ALL);

  LogComponentEnable ("LenaHelper", LOG_LEVEL_ALL);

  LogComponentEnable ("BuildingsPropagationLossModel", LOG_LEVEL_ALL);

  // Create Nodes: eNodeB and UE

  NodeContainer enbNodes;

  NodeContainer ueNodes;

  enbNodes.Create (1);

  ueNodes.Create (1);

  // Install Mobility Model

  MobilityHelper mobility;

  mobility.SetMobilityModel ("ns3::BuildingsMobilityModel");

  mobility.Install (enbNodes);

  mobility.SetMobilityModel ("ns3::BuildingsMobilityModel");

  mobility.Install (ueNodes);

  // Create Devices and install them in the Nodes (eNB and UE)

  NetDeviceContainer enbDevs;

  NetDeviceContainer ueDevs;

//   lena->SetSchedulerType ("ns3::RrFfMacScheduler");

  lena->SetSchedulerType ("ns3::PfFfMacScheduler");

  lena->SetSchedulerAttribute ("CqiTimerThreshold", UintegerValue (3));

  enbDevs = lena->InstallEnbDevice (enbNodes);

  ueDevs = lena->InstallUeDevice (ueNodes);

  lena->EnableRlcTraces();

  lena->EnableMacTraces();

  // Attach a UE to a eNB

  lena->Attach (ueDevs, enbDevs.Get (0));

  Simulator::Schedule (Seconds (0.010), &ChangePosition, ueNodes.Get (0));

  Simulator::Schedule (Seconds (0.020), &ChangePosition, ueNodes.Get (0));

  // Activate an EPS bearer

  enum EpsBearer::Qci q = EpsBearer::GBR_CONV_VOICE;

  EpsBearer bearer (q);

  lena->ActivateEpsBearer (ueDevs, bearer);

  Simulator::Stop (Seconds (0.030));

  Simulator::Run ();

  //GtkConfigStore config;

  //config.ConfigureAttributes ();

  Simulator::Destroy ();

  return 0;

}