/**
 * Copyright 2013-2021 Software Radio Systems Limited
 *
 * This file is part of srsLTE.
 *
 * srsLTE is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of
 * the License, or (at your option) any later version.
 *
 * srsLTE 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 Affero General Public License for more details.
 *
 * A copy of the GNU Affero General Public License can be found in
 * the LICENSE file in the top-level directory of this distribution
 * and at http://www.gnu.org/licenses/.
 *
 */

#ifndef SRSLTE_NR_CC_WORKER_H
#define SRSLTE_NR_CC_WORKER_H

#include "srslte/common/log.h"
#include "srsue/hdr/phy/phy_common.h"
#include "state.h"

namespace srsue {
namespace nr {

class cc_worker
{
public:
  cc_worker(uint32_t cc_idx, srslog::basic_logger& log, state* phy_state_);
  ~cc_worker();

  bool set_carrier(const srslte_carrier_nr_t* carrier);
  void set_tti(uint32_t tti);

  cf_t*    get_rx_buffer(uint32_t antenna_idx);
  cf_t*    get_tx_buffer(uint32_t antenna_idx);
  uint32_t get_buffer_len();

  bool work_dl();
  bool work_ul();

  int read_pdsch_d(cf_t* pdsch_d);

private:
  srslte_slot_cfg_t                   dl_slot_cfg = {};
  srslte_slot_cfg_t                   ul_slot_cfg = {};
  uint32_t                            cc_idx      = 0;
  std::array<cf_t*, SRSLTE_MAX_PORTS> rx_buffer   = {};
  std::array<cf_t*, SRSLTE_MAX_PORTS> tx_buffer   = {};
  uint32_t                            buffer_sz   = 0;
  state*                              phy         = nullptr;
  srslte_ue_dl_nr_t                   ue_dl       = {};
  srslte_ue_ul_nr_t                   ue_ul       = {};
  srslog::basic_logger&               logger;

  // Temporal attributes
  srslte_softbuffer_tx_t softbuffer_tx = {};
  srslte_softbuffer_rx_t softbuffer_rx = {};
  std::vector<uint8_t>   tx_data;

  // Methods for DL...
  void decode_pdcch_ul();
  void decode_pdcch_dl();
};

} // namespace nr
} // namespace srsue

#endif // SRSLTE_NR_CC_WORKER_H