/*
    Mobile proxy model - model for displaying netwoks in mobile kcm
    SPDX-FileCopyrightText: 2017 Martin Kacej <m.kacej@atlas.sk>

    SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL

*/

#include "mobileproxymodel.h"
#include "networkmodel.h"
#include "networkmodelitem.h"

MobileProxyModel::MobileProxyModel(QObject *parent)
    : QSortFilterProxyModel(parent)
{
    setDynamicSortFilter(true);
    sort(0, Qt::DescendingOrder);
}

MobileProxyModel::~MobileProxyModel() = default;

void MobileProxyModel::setShowSavedMode(bool mode)
{
    m_showSavedMode = mode;
    Q_EMIT showSavedModeChanged(mode);
    invalidate();
}

bool MobileProxyModel::showSavedMode() const
{
    return m_showSavedMode;
}

bool MobileProxyModel::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const
{
    const QModelIndex index = sourceModel()->index(source_row, 0, source_parent);

    // slaves are always filtered-out
    const bool isSlave = sourceModel()->data(index, NetworkModel::SlaveRole).toBool();

    if (isSlave) {
        return false;
    }

    const NetworkManager::ConnectionSettings::ConnectionType type =
        (NetworkManager::ConnectionSettings::ConnectionType)sourceModel()->data(index, NetworkModel::TypeRole).toUInt();
    if (type == NetworkManager::ConnectionSettings::Wireless) {
        NetworkModelItem::ItemType itemType = (NetworkModelItem::ItemType)sourceModel()->data(index, NetworkModel::ItemTypeRole).toUInt();
        if (showSavedMode()) {
            return itemType == NetworkModelItem::UnavailableConnection;
        } else {
            return itemType >= NetworkModelItem::AvailableConnection;
        }
    }
    return false;
}

bool MobileProxyModel::lessThan(const QModelIndex &left, const QModelIndex &right) const
{
    const bool leftAvailable =
        (NetworkModelItem::ItemType)sourceModel()->data(left, NetworkModel::ItemTypeRole).toUInt() != NetworkModelItem::UnavailableConnection;
    const bool leftConnected = sourceModel()->data(left, NetworkModel::ConnectionStateRole).toUInt() == NetworkManager::ActiveConnection::Activated;
    const int leftConnectionState = sourceModel()->data(left, NetworkModel::ConnectionStateRole).toUInt();
    const QString leftName = sourceModel()->data(left, NetworkModel::NameRole).toString();
    const QString leftUuid = sourceModel()->data(left, NetworkModel::UuidRole).toString();
    const int leftSignal = sourceModel()->data(left, NetworkModel::SignalRole).toInt();
    const QDateTime leftDate = sourceModel()->data(left, NetworkModel::TimeStampRole).toDateTime();

    const bool rightAvailable =
        (NetworkModelItem::ItemType)sourceModel()->data(right, NetworkModel::ItemTypeRole).toUInt() != NetworkModelItem::UnavailableConnection;
    const bool rightConnected = sourceModel()->data(right, NetworkModel::ConnectionStateRole).toUInt() == NetworkManager::ActiveConnection::Activated;
    const int rightConnectionState = sourceModel()->data(right, NetworkModel::ConnectionStateRole).toUInt();
    const QString rightName = sourceModel()->data(right, NetworkModel::NameRole).toString();
    const QString rightUuid = sourceModel()->data(right, NetworkModel::UuidRole).toString();
    const int rightSignal = sourceModel()->data(right, NetworkModel::SignalRole).toInt();
    const QDateTime rightDate = sourceModel()->data(right, NetworkModel::TimeStampRole).toDateTime();

    if (leftAvailable < rightAvailable) {
        return true;
    } else if (leftAvailable > rightAvailable) {
        return false;
    }

    if (leftConnected < rightConnected) {
        return true;
    } else if (leftConnected > rightConnected) {
        return false;
    }

    if (leftConnectionState > rightConnectionState) {
        return true;
    } else if (leftConnectionState < rightConnectionState) {
        return false;
    }

    if (leftUuid.isEmpty() && !rightUuid.isEmpty()) {
        return true;
    } else if (!leftUuid.isEmpty() && rightUuid.isEmpty()) {
        return false;
    }

    if (leftDate > rightDate) {
        return false;
    } else if (leftDate < rightDate) {
        return true;
    }

    if (leftSignal < rightSignal) {
        return true;
    } else if (leftSignal > rightSignal) {
        return false;
    }

    if (QString::localeAwareCompare(leftName, rightName) > 0) {
        return true;
    } else {
        return false;
    }
}
