/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org

Telegram Desktop 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.

It 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.

In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.

Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
*/
#pragma once

#include "mtproto/sender.h"

namespace Stickers {

constexpr auto kPanelPerRow = 5;

void ApplyArchivedResult(const MTPDmessages_stickerSetInstallResultArchive &d);
bool ApplyArchivedResultFake(); // For testing.
void InstallLocally(uint64 setId);
void UndoInstallLocally(uint64 setId);
void MarkFeaturedAsRead(uint64 setId);
bool IsFaved(not_null<DocumentData*> document);
void SetFaved(not_null<DocumentData*> document, bool faved);

void SetsReceived(const QVector<MTPStickerSet> &data, int32 hash);
void SpecialSetReceived(uint64 setId, const QString &setTitle, const QVector<MTPDocument> &items, int32 hash, const QVector<MTPStickerPack> &packs = QVector<MTPStickerPack>());
void FeaturedSetsReceived(const QVector<MTPStickerSetCovered> &data, const QVector<MTPlong> &unread, int32 hash);
void GifsReceived(const QVector<MTPDocument> &items, int32 hash);

StickerPack GetListByEmoji(not_null<EmojiPtr> emoji);
base::optional<std::vector<not_null<EmojiPtr>>> GetEmojiListFromSet(
	not_null<DocumentData*> document);

Set *FeedSet(const MTPDstickerSet &data);
Set *FeedSetFull(const MTPmessages_StickerSet &data);

QString GetSetTitle(const MTPDstickerSet &s);

namespace internal {

class FeaturedReader : public QObject, private MTP::Sender {
public:
	FeaturedReader(QObject *parent);
	void scheduleRead(uint64 setId);

private:
	void readSets();

	object_ptr<SingleTimer> _timer;
	OrderedSet<uint64> _setIds;

};

} // namespace internal
} // namespace Stickers