//
// Copyright 2010 Ettus Research LLC
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// 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, see <http://www.gnu.org/licenses/>.
//

#include <uhd/utils/safe_main.hpp>
#include <uhd/device.hpp>
#include <uhd/usrp/device_props.hpp>
#include <boost/program_options.hpp>
#include <boost/format.hpp>
#include <iostream>

namespace po = boost::program_options;

int UHD_SAFE_MAIN(int argc, char *argv[]){
    po::options_description desc("Allowed options");
    desc.add_options()
        ("help", "help message")
        ("old", po::value<std::string>(), "old USRP serial number (optional)")
        ("new", po::value<std::string>(), "new USRP serial number")
    ;

    po::variables_map vm;
    po::store(po::parse_command_line(argc, argv, desc), vm);
    po::notify(vm); 

    //print the help message
    if (vm.count("help")){
        std::cout << boost::format("USRP serial burner %s") % desc << std::endl;
        return ~0;
    }

    if(vm.count("new") == 0) {
        std::cout << "error: must input --new arg" << std::endl;
        return ~0;
    }

    //load the options into the address
    uhd::device_addr_t device_addr;
    device_addr["type"] = "usrp1";
    if(vm.count("old")) device_addr["serial"] = vm["old"].as<std::string>();

    //find and create a control transport to do the writing.

    uhd::device_addrs_t found_addrs = uhd::device::find(device_addr);

    if (found_addrs.size() == 0){
        std::cerr << "No USRP devices found" << std::endl;
        return ~0;
    }

    for (size_t i = 0; i < found_addrs.size(); i++){
        uhd::device::sptr dev = uhd::device::make(found_addrs[i]);
        wax::obj mb = (*dev)[uhd::usrp::DEVICE_PROP_MBOARD];
        std::cout << "Writing serial number..." << std::endl;
        mb[std::string("serial")] = vm["new"].as<std::string>();
        std::cout << "Reading back serial number: " << mb[std::string("serial")].as<std::string>() << std::endl;
    }


    std::cout << "Power-cycle the usrp for the changes to take effect." << std::endl;
    return 0;
}