/*
 * Copyright (C) 2019-2020 by Savoir-faire Linux
 * Author: Isa Nanic <isa.nanic@savoirfairelinux.com>
 * Author: Yang Wang <yang.wang@savoirfairelinux.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "bannedlistmodel.h"
#include "lrcinstance.h"

BannedListModel::BannedListModel(QObject *parent)
    : QAbstractListModel(parent)
{}

BannedListModel::~BannedListModel() {}

int
BannedListModel::rowCount(const QModelIndex &parent) const
{
    if (!parent.isValid()) {
        return LRCInstance::getCurrentAccountInfo().contactModel->getBannedContacts().size();
    }
    return 0;
}

int
BannedListModel::columnCount(const QModelIndex &parent) const
{
    Q_UNUSED(parent);
    /*
     * Only need one column.
     */
    return 1;
}

QVariant
BannedListModel::data(const QModelIndex &index, int role) const
{
    auto contactList = LRCInstance::getCurrentAccountInfo().contactModel->getBannedContacts();
    if (!index.isValid() || contactList.size() <= index.row()) {
        return QVariant();
    }

    auto contactInfo = LRCInstance::getCurrentAccountInfo().contactModel->getContact(
        contactList.at(index.row()));

    switch (role) {
    case Role::ContactName:
        return QVariant(contactInfo.registeredName);
    case Role::ContactID:
        return QVariant(contactInfo.profileInfo.uri);
    case Role::ContactPicture:
        QImage avatarImage = Utils::fallbackAvatar(QSize(48, 48),
                                                   contactInfo.profileInfo.uri,
                                                   contactInfo.registeredName);

        return QString::fromLatin1(Utils::QImageToByteArray(avatarImage).toBase64().data());
    }
    return QVariant();
}

QHash<int, QByteArray>
BannedListModel::roleNames() const
{
    QHash<int, QByteArray> roles;
    roles[ContactName] = "ContactName";
    roles[ContactID] = "ContactID";
    roles[ContactPicture] = "ContactPicture";
    return roles;
}

QModelIndex
BannedListModel::index(int row, int column, const QModelIndex &parent) const
{
    Q_UNUSED(parent);
    if (column != 0) {
        return QModelIndex();
    }

    if (row >= 0 && row < rowCount()) {
        return createIndex(row, column);
    }
    return QModelIndex();
}

QModelIndex
BannedListModel::parent(const QModelIndex &child) const
{
    Q_UNUSED(child);
    return QModelIndex();
}

Qt::ItemFlags
BannedListModel::flags(const QModelIndex &index) const
{
    auto flags = QAbstractItemModel::flags(index) | Qt::ItemNeverHasChildren | Qt::ItemIsSelectable;
    if (!index.isValid()) {
        return QAbstractItemModel::flags(index);
    }
    return flags;
}

void
BannedListModel::reset()
{
    beginResetModel();
    endResetModel();
}
