// Copyright 2013 Velodyne Acoustics, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/*=========================================================================

  Program:   Visualization Toolkit
  Module:    PacketFileSender.cxx

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
// .NAME PacketFileSender -
// .SECTION Description
// This program reads a pcap file and sends the packets using UDP.
// The default playback speed is based on the timestamps specified in the pcap file

#include "vtkPacketFileReader.h"
#include "PacketSender.h"

#include <cstdlib>
#include <ctime>

#include <iostream>
#include <string>
#include <chrono>

#include <boost/thread/thread.hpp>
#include <boost/program_options.hpp>
namespace po = boost::program_options;

const int OUTPUT_WIDTH = 15; // width of the column (#packet, duration, ...) in the output stream

int main(int argc, char* argv[])
{
  bool loop = false;  // run the capture 1 time or in loop

  // parse the command line options
  po::options_description visible("Allowed options");
  visible.add_options()
      ("help", "produce help message")
      ("ip", po::value<std::string>()->default_value("127.0.0.1"), "destination ip adress")
      ("loop", po::bool_switch(&loop), "run the capture in loop")
      ("lidarPort", po::value<unsigned int>()->default_value(2368), "destination port for lidar packets")
      ("GPSPort", po::value<unsigned int>()->default_value(8308), "destination port for GPS packets")
      ("speed", po::value<double>()->default_value(1), "playback speed")
      ("display-frequency", po::value<unsigned int>()->default_value(1000), "print information after every interval of X sent packets")
      ;

  po::options_description hidden("Hidden options");
  hidden.add_options()
      ("input-file", po::value<std::string>(), "input file")
      ;

  po::positional_options_description p;
  p.add("input-file", -1);

  po::options_description cmdline_options;
  cmdline_options.add(visible).add(hidden);

  po::variables_map vm;
  po::store(po::command_line_parser(argc, argv).
            options(cmdline_options).positional(p).run(), vm);
  po::notify(vm);

  if (vm.count("help") || argc < 2) {
      cout << "Usage: PacketFileSender <pcap_file> [options]\n";
      cout << visible << "\n";
      return 1;
  }

  // convert to the right type
  std::string filename = vm["input-file"].as<std::string>();
  double speed = vm["speed"].as<double>();
  std::string destinationIp = vm["ip"].as<std::string>();
  unsigned int lidarPort =  vm["lidarPort"].as<unsigned int>();
  unsigned int GPSPort = vm["GPSPort"].as<unsigned int>();
  unsigned int display_frequency = vm["display-frequency"].as<unsigned int>();

  std::cout << "Start sending" << std::endl;
  do
  {
    // Create a Packet Sender
    PacketSender sender(filename, destinationIp, lidarPort, GPSPort);
    sender.sendAllPackets(speed, display_frequency);
  } while (loop);

  return 0;
}
