/*
 * Copyright (c) 2015 Danilo Abrignani
 *
 * SPDX-License-Identifier: GPL-2.0-only
 *
 * Author: Danilo Abrignani <danilo.abrignani@unibo.it>
 */

#include "component-carrier.h"

#include "ns3/abort.h"
#include "ns3/boolean.h"
#include "ns3/log.h"
#include "ns3/uinteger.h"

namespace ns3
{

NS_LOG_COMPONENT_DEFINE("ComponentCarrier");

NS_OBJECT_ENSURE_REGISTERED(ComponentCarrier);

TypeId
ComponentCarrier::GetTypeId()
{
    static TypeId tid =
        TypeId("ns3::ComponentCarrier")
            .SetParent<Object>()
            .AddConstructor<ComponentCarrier>()
            .AddAttribute(
                "UlBandwidth",
                "Uplink Transmission Bandwidth Configuration in number of Resource Blocks",
                UintegerValue(25),
                MakeUintegerAccessor(&ComponentCarrier::SetUlBandwidth,
                                     &ComponentCarrier::GetUlBandwidth),
                MakeUintegerChecker<uint8_t>())
            .AddAttribute(
                "DlBandwidth",
                "Downlink Transmission Bandwidth Configuration in number of Resource Blocks",
                UintegerValue(25),
                MakeUintegerAccessor(&ComponentCarrier::SetDlBandwidth,
                                     &ComponentCarrier::GetDlBandwidth),
                MakeUintegerChecker<uint8_t>())
            .AddAttribute("DlEarfcn",
                          "Downlink E-UTRA Absolute Radio Frequency Channel Number (EARFCN) "
                          "as per 3GPP 36.101 Section 5.7.3.",
                          UintegerValue(100),
                          MakeUintegerAccessor(&ComponentCarrier::SetDlEarfcn,
                                               &ComponentCarrier::GetDlEarfcn),
                          MakeUintegerChecker<uint32_t>(0, 262143))
            .AddAttribute("UlEarfcn",
                          "Uplink E-UTRA Absolute Radio Frequency Channel Number (EARFCN) "
                          "as per 3GPP 36.101 Section 5.7.3.",
                          UintegerValue(18100),
                          MakeUintegerAccessor(&ComponentCarrier::SetUlEarfcn,
                                               &ComponentCarrier::GetUlEarfcn),
                          MakeUintegerChecker<uint32_t>(18000, 262143))
            .AddAttribute(
                "CsgId",
                "The Closed Subscriber Group (CSG) identity that this eNodeB belongs to",
                UintegerValue(0),
                MakeUintegerAccessor(&ComponentCarrier::SetCsgId, &ComponentCarrier::GetCsgId),
                MakeUintegerChecker<uint32_t>())
            .AddAttribute(
                "CsgIndication",
                "If true, only UEs which are members of the CSG (i.e. same CSG ID) "
                "can gain access to the eNodeB, therefore enforcing closed access mode. "
                "Otherwise, the eNodeB operates as a non-CSG cell and implements open access mode.",
                BooleanValue(false),
                MakeBooleanAccessor(&ComponentCarrier::SetCsgIndication,
                                    &ComponentCarrier::GetCsgIndication),
                MakeBooleanChecker())
            .AddAttribute(
                "PrimaryCarrier",
                "If true, this Carrier Component will be the Primary Carrier Component (PCC) "
                "Only one PCC per eNodeB is (currently) allowed",
                BooleanValue(false),
                MakeBooleanAccessor(&ComponentCarrier::SetAsPrimary, &ComponentCarrier::IsPrimary),
                MakeBooleanChecker());
    return tid;
}

ComponentCarrier::ComponentCarrier()
    : Object()
{
    NS_LOG_FUNCTION(this);
}

ComponentCarrier::~ComponentCarrier()
{
    NS_LOG_FUNCTION(this);
}

void
ComponentCarrier::DoDispose()
{
    NS_LOG_FUNCTION(this);
    Object::DoDispose();
}

uint16_t
ComponentCarrier::GetUlBandwidth() const
{
    return m_ulBandwidth;
}

void
ComponentCarrier::SetUlBandwidth(uint16_t bw)
{
    NS_LOG_FUNCTION(this << bw);
    switch (bw)
    {
    case 6:
    case 15:
    case 25:
    case 50:
    case 75:
    case 100:
        m_ulBandwidth = bw;
        break;

    default:
        NS_FATAL_ERROR("Invalid bandwidth value " << bw);
        break;
    }
}

uint16_t
ComponentCarrier::GetDlBandwidth() const
{
    return m_dlBandwidth;
}

void
ComponentCarrier::SetDlBandwidth(uint16_t bw)
{
    NS_LOG_FUNCTION(this << bw);
    switch (bw)
    {
    case 6:
    case 15:
    case 25:
    case 50:
    case 75:
    case 100:
        m_dlBandwidth = bw;
        break;

    default:
        NS_FATAL_ERROR("Invalid bandwidth value " << bw);
        break;
    }
}

uint32_t
ComponentCarrier::GetDlEarfcn() const
{
    return m_dlEarfcn;
}

void
ComponentCarrier::SetDlEarfcn(uint32_t earfcn)
{
    NS_LOG_FUNCTION(this << earfcn);
    m_dlEarfcn = earfcn;
}

uint32_t
ComponentCarrier::GetUlEarfcn() const
{
    return m_ulEarfcn;
}

void
ComponentCarrier::SetUlEarfcn(uint32_t earfcn)
{
    NS_LOG_FUNCTION(this << earfcn);
    m_ulEarfcn = earfcn;
}

uint32_t
ComponentCarrier::GetCsgId() const
{
    return m_csgId;
}

void
ComponentCarrier::SetCsgId(uint32_t csgId)
{
    NS_LOG_FUNCTION(this << csgId);
    m_csgId = csgId;
}

bool
ComponentCarrier::GetCsgIndication() const
{
    return m_csgIndication;
}

void
ComponentCarrier::SetCsgIndication(bool csgIndication)
{
    NS_LOG_FUNCTION(this << csgIndication);
    m_csgIndication = csgIndication;
}

bool
ComponentCarrier::IsPrimary() const
{
    return m_primaryCarrier;
}

void
ComponentCarrier::SetAsPrimary(bool primaryCarrier)
{
    NS_LOG_FUNCTION(this << primaryCarrier);
    m_primaryCarrier = primaryCarrier;
}

//====================================================

NS_OBJECT_ENSURE_REGISTERED(ComponentCarrierBaseStation);

TypeId
ComponentCarrierBaseStation::GetTypeId()
{
    static TypeId tid = TypeId("ns3::ComponentCarrierBaseStation")
                            .SetParent<ComponentCarrier>()
                            .AddConstructor<ComponentCarrierBaseStation>();
    return tid;
}

ComponentCarrierBaseStation::ComponentCarrierBaseStation()
    : ComponentCarrier()
{
    NS_LOG_FUNCTION(this);
}

ComponentCarrierBaseStation::~ComponentCarrierBaseStation()
{
    NS_LOG_FUNCTION(this);
}

uint16_t
ComponentCarrierBaseStation::GetCellId() const
{
    return m_cellId;
}

void
ComponentCarrierBaseStation::SetCellId(uint16_t cellId)
{
    NS_LOG_FUNCTION(this << cellId);
    m_cellId = cellId;
}

} // namespace ns3
