// SPDX-FileCopyrightText: 2021 Nheko Contributors
//
// SPDX-License-Identifier: GPL-3.0-or-later

#include "EmojiModel.h"

#include <Cache.h>
#include <MatrixClient.h>

#include "CompletionModelRoles.h"

using namespace emoji;

int
EmojiModel::categoryToIndex(int category)
{
        auto dist = std::distance(Provider::emoji.begin(),
                                  std::lower_bound(Provider::emoji.begin(),
                                                   Provider::emoji.end(),
                                                   static_cast<Emoji::Category>(category),
                                                   [](const struct Emoji &e, Emoji::Category c) {
                                                           return e.category < c;
                                                   }));

        return static_cast<int>(dist);
}

QHash<int, QByteArray>
EmojiModel::roleNames() const
{
        static QHash<int, QByteArray> roles;

        if (roles.isEmpty()) {
                roles = QAbstractListModel::roleNames();
                roles[static_cast<int>(EmojiModel::Roles::Unicode)] = QByteArrayLiteral("unicode");
                roles[static_cast<int>(EmojiModel::Roles::ShortName)] =
                  QByteArrayLiteral("shortName");
                roles[static_cast<int>(EmojiModel::Roles::Category)] =
                  QByteArrayLiteral("category");
                roles[static_cast<int>(EmojiModel::Roles::Emoji)] = QByteArrayLiteral("emoji");
        }

        return roles;
}

int
EmojiModel::rowCount(const QModelIndex &parent) const
{
        return parent == QModelIndex() ? Provider::emoji.count() : 0;
}

QVariant
EmojiModel::data(const QModelIndex &index, int role) const
{
        if (hasIndex(index.row(), index.column(), index.parent())) {
                switch (role) {
                case Qt::DisplayRole:
                case CompletionModel::CompletionRole:
                case static_cast<int>(EmojiModel::Roles::Unicode):
                        return Provider::emoji[index.row()].unicode;

                case Qt::ToolTipRole:
                case CompletionModel::SearchRole:
                case static_cast<int>(EmojiModel::Roles::ShortName):
                        return Provider::emoji[index.row()].shortName;

                case static_cast<int>(EmojiModel::Roles::Category):
                        return QVariant::fromValue(Provider::emoji[index.row()].category);

                case static_cast<int>(EmojiModel::Roles::Emoji):
                        return QVariant::fromValue(Provider::emoji[index.row()]);
                }
        }

        return {};
}