/*
   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
   2011, 2012 Her Majesty the Queen in Right of Canada (Communications
   Research Center Canada)

   Copyright (C) 2017
   Matthias P. Braendli, matthias.braendli@mpb.li

    http://www.opendigitalradio.org
   */
/*
   This file is part of ODR-DabMux.

   ODR-DabMux 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.

   ODR-DabMux 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 ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
*/

#pragma once
#include <iostream>
#include <iterator>
#include <thread>
#include <vector>
#include <chrono>
#include <atomic>
#include "ThreadsafeQueue.h"
#include "dabOutput/dabOutput.h"
#include "dabOutput/edi/TagItems.h"
#include "dabOutput/edi/TagPacket.h"
#include "dabOutput/edi/AFPacket.h"
#include "dabOutput/edi/PFT.h"
#include "dabOutput/edi/Interleaver.h"

// This metadata gets transmitted in the zmq stream
struct metadata_t {
    uint32_t edi_time;
    int16_t utc_offset;
    uint16_t dlfc;
};

using frame_t = std::pair<std::vector<uint8_t>, metadata_t>;

class EDISender {
    public:
        EDISender() = default;
        EDISender(const EDISender& other) = delete;
        EDISender& operator=(const EDISender& other) = delete;
        ~EDISender();
        void start(const edi_configuration_t& conf, int delay_ms);
        void push_frame(const frame_t& frame);
        void print_configuration(void);

    private:
        void send_eti_frame(uint8_t* p, metadata_t metadata);
        void process(void);

        int tist_delay_ms;
        std::atomic<bool> running;
        std::thread process_thread;
        edi_configuration_t edi_conf;
        std::chrono::steady_clock::time_point startTime;
        ThreadsafeQueue<frame_t> frames;
        std::ofstream edi_debug_file;

        // The TagPacket will then be placed into an AFPacket
        edi::AFPacketiser edi_afPacketiser;

        // The AF Packet will be protected with reed-solomon and split in fragments
        edi::PFT edi_pft;

        // To mitigate for burst packet loss, PFT fragments can be sent out-of-order
        edi::Interleaver edi_interleaver;

};