/**
 *
 * \section COPYRIGHT
 *
 * Copyright 2013-2021 Software Radio Systems Limited
 *
 * By using this file, you agree to the terms and conditions set
 * forth in the LICENSE file which can be found at the top level of
 * the distribution.
 *
 */

#ifndef SRSRAN_SCHED_NR_H
#define SRSRAN_SCHED_NR_H

#include "sched_nr_common.h"
#include "sched_nr_interface.h"
#include "sched_nr_ue.h"
#include "srsran/adt/pool/cached_alloc.h"
#include "srsran/common/tti_point.h"
#include <array>
extern "C" {
#include "srsran/config.h"
}

namespace srsenb {

namespace sched_nr_impl {
class sched_worker_manager;
}

class ue_event_manager;

class sched_nr final : public sched_nr_interface
{
public:
  explicit sched_nr(const sched_nr_cfg& sched_cfg);
  ~sched_nr() override;
  int  cell_cfg(const std::vector<sched_nr_cell_cfg>& cell_list);
  void ue_cfg(uint16_t rnti, const sched_nr_ue_cfg& cfg) override;

  void new_tti(tti_point tti_rx) override;
  int  generate_sched_result(tti_point tti_rx, uint32_t cc, sched_nr_res_t& result);

  void dl_ack_info(uint16_t rnti, uint32_t cc, uint32_t pid, uint32_t tb_idx, bool ack) override;
  void ul_sr_info(tti_point tti_rx, uint16_t rnti) override;

private:
  void ue_cfg_impl(uint16_t rnti, const sched_nr_ue_cfg& cfg);
  void run_tti(tti_point tti_rx, uint32_t cc);

  // args
  sched_nr_impl::sched_params cfg;

  using sched_worker_manager = sched_nr_impl::sched_worker_manager;
  std::unique_ptr<sched_worker_manager> sched_workers;

  std::array<std::array<sched_nr_res_t, SCHED_NR_MAX_CARRIERS>, SCHED_NR_NOF_SUBFRAMES> sched_results;

  using ue_map_t = sched_nr_impl::ue_map_t;
  std::mutex ue_db_mutex;
  ue_map_t   ue_db;

  // management of PHY UE feedback
  std::unique_ptr<ue_event_manager> pending_events;
};

} // namespace srsenb

#endif // SRSRAN_SCHED_NR_H