/*!
 * \file raw_array_signal_source.cc
 * \brief CTTC Experimental GNSS 8 channels array signal source
 * \author Javier Arribas, jarribas(at)cttc.es
 *
 * -----------------------------------------------------------------------------
 *
 * GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
 * This file is part of GNSS-SDR.
 *
 * Copyright (C) 2010-2020  (see AUTHORS file for a list of contributors)
 * SPDX-License-Identifier: GPL-3.0-or-later
 *
 * -----------------------------------------------------------------------------
 */

#include "raw_array_signal_source.h"
#include "concurrent_queue.h"
#include "configuration_interface.h"
#include "gnss_sdr_string_literals.h"
#include <glog/logging.h>
#include <gnuradio/blocks/file_sink.h>
#include <pmt/pmt.h>
#include <dbfcttc/raw_array.h>


using namespace std::string_literals;

RawArraySignalSource::RawArraySignalSource(const ConfigurationInterface* configuration,
    std::string role, unsigned int in_stream, unsigned int out_stream, Concurrent_Queue<pmt::pmt_t>* queue)
    : SignalSourceBase(configuration, role, "Raw_Array_Signal_Source"s), in_stream_(in_stream), out_stream_(out_stream)
{
    const std::string default_item_type("gr_complex");
    const std::string default_dump_file("./data/raw_array_source.dat");
    item_type_ = configuration->property(role + ".item_type", default_item_type);

    // dump_ = configuration->property(role + ".dump", false);
    // dump_filename_ = configuration->property(role + ".dump_filename", default_dump_file);
    dump_ = false;

    const std::string default_ethernet_dev("eth0");
    eth_device_ = configuration->property(role + ".ethernet_dev", default_ethernet_dev);

    int channels_ = configuration->property(role + ".channels", 8);

    int snapshots_per_frame_ = configuration->property(role + ".snapshots_per_frame", 80);

    int inter_frame_delay_ = configuration->property(role + ".inter_frame_delay", 10);

    int sampling_freq_ = configuration->property(role + ".sampling_freq", 5000000);

    if (item_type_ == "gr_complex")
        {
            item_size_ = sizeof(gr_complex);
            raw_array_source_ = gr::dbfcttc::raw_array::make(eth_device_.c_str(), channels_, snapshots_per_frame_, inter_frame_delay_, sampling_freq_);
            DLOG(INFO) << "Item size " << item_size_;
            DLOG(INFO) << "raw_array_source(" << raw_array_source_->unique_id() << ")";
        }
    //    else if (item_type_.compare("short") == 0)
    //        {
    //            item_size_ = sizeof(short);
    //            resampler_ = direct_resampler_make_conditioner_ss(sample_freq_in_,
    //                    sample_freq_out_);
    //        }
    else
        {
            LOG(WARNING) << item_type_ << " unrecognized item type for raw_array_source_";
            item_size_ = sizeof(gr_complex);
        }
    if (dump_)
        {
            // TODO: multichannel recorder
            DLOG(INFO) << "Dumping output into file " << dump_filename_;
            file_sink_ = gr::blocks::file_sink::make(item_size_, dump_filename_.c_str());
        }
    if (dump_)
        {
            DLOG(INFO) << "file_sink(" << file_sink_->unique_id() << ")";
        }
}


void RawArraySignalSource::connect(gr::top_block_sptr top_block)
{
    if (dump_)
        {
            // TODO: multichannel recorder
            top_block->connect(raw_array_source_, 0, file_sink_, 0);
            DLOG(INFO) << "connected raw_array_source_ to file sink";
        }
    else
        {
            DLOG(INFO) << "nothing to connect internally";
        }
}


void RawArraySignalSource::disconnect(gr::top_block_sptr top_block)
{
    if (dump_)
        {
            // TODO: multichannel recorder
            top_block->disconnect(raw_array_source_, 0, file_sink_, 0);
        }
}


gr::basic_block_sptr RawArraySignalSource::get_left_block()
{
    LOG(WARNING) << "Left block of a signal source should not be retrieved";
    return gr::block_sptr();
}


gr::basic_block_sptr RawArraySignalSource::get_right_block()
{
    return raw_array_source_;
}