/*
 * Copyright 2013-2020 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_UE_MEAS_CFG_H
#define SRSLTE_UE_MEAS_CFG_H

#include "srslte/asn1/rrc/meascfg.h"

namespace srsenb {

// fwd declarations
struct rrc_cfg_t;
struct meas_cell_cfg_t;
class cell_ctxt_dedicated_list;

using meas_obj_t      = asn1::rrc::meas_obj_to_add_mod_s;
using meas_obj_list   = asn1::rrc::meas_obj_to_add_mod_list_l;
using meas_cell_t     = asn1::rrc::cells_to_add_mod_s;
using report_cfg_t    = asn1::rrc::report_cfg_to_add_mod_s;
using report_cfg_list = asn1::rrc::report_cfg_to_add_mod_list_l;
using meas_id_t       = asn1::rrc::meas_id_to_add_mod_s;
using meas_id_list    = asn1::rrc::meas_id_to_add_mod_list_l;

int  get_earfcn(const meas_obj_t& obj);
bool is_same_earfcn(const meas_obj_t& lhs, const meas_obj_t& rhs);

/// Find MeasObj with same earfcn. Assumes ordered list
meas_obj_t*       find_meas_obj(meas_obj_list& l, uint32_t earfcn);
const meas_obj_t* find_meas_obj(const meas_obj_list& l, uint32_t earfcn);

/// Add EARFCN to the MeasObjToAddModList
std::pair<bool, meas_obj_t*> add_meas_obj(meas_obj_list& list, uint32_t dl_earfcn);

std::tuple<bool, meas_obj_t*, meas_cell_t*> add_cell_enb_cfg(meas_obj_list&         meas_obj_list,
                                                             const meas_cell_cfg_t& cellcfg);

report_cfg_t* add_report_cfg(report_cfg_list& list, const asn1::rrc::report_cfg_eutra_s& reportcfg);

meas_id_t* add_measid_cfg(meas_id_list& meas_id_list, uint8_t measobjid, uint8_t measrepid);

/**
 * Finds a cell in meas_obj_list based on pci and earfcn
 * @return pair of (meas_obj,cell_obj). If no cell has frequency==earfcn, meas_obj=nullptr
 */
std::pair<meas_obj_t*, meas_cell_t*> find_cell(meas_obj_list& l, uint32_t earfcn, uint32_t pci);

bool compute_diff_meascfg(const asn1::rrc::meas_cfg_s& current_meascfg,
                          const asn1::rrc::meas_cfg_s& target_meascfg,
                          asn1::rrc::meas_cfg_s&       diff_meascfg);

bool fill_meascfg_enb_cfg(asn1::rrc::meas_cfg_s& meascfg, const cell_ctxt_dedicated_list& ue_cell_list);

bool apply_meascfg_updates(asn1::rrc::meas_cfg_s&          meascfg,
                           asn1::rrc::meas_cfg_s&          current_meascfg,
                           const cell_ctxt_dedicated_list& ue_cell_list,
                           int                             prev_pci = -1);

} // namespace srsenb

#endif // SRSLTE_UE_MEAS_CFG_H