/*
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

namespace Window {
namespace Notifications {

class Manager;

void start();
Manager *manager();
void finish();

class Manager {
public:
	void showNotification(HistoryItem *item, int forwardedCount) {
		doShowNotification(item, forwardedCount);
	}
	void updateAll() {
		doUpdateAll();
	}
	void clearAll() {
		doClearAll();
	}
	void clearAllFast() {
		doClearAllFast();
	}
	void clearFromItem(HistoryItem *item) {
		doClearFromItem(item);
	}
	void clearFromHistory(History *history) {
		doClearFromHistory(history);
	}

	void notificationActivated(PeerId peerId, MsgId msgId);
	void notificationReplied(PeerId peerId, MsgId msgId, const QString &reply);

	struct DisplayOptions {
		bool hideNameAndPhoto;
		bool hideMessageText;
		bool hideReplyButton;
	};
	static DisplayOptions getNotificationOptions(HistoryItem *item);

	virtual ~Manager() = default;

protected:
	virtual void doUpdateAll() = 0;
	virtual void doShowNotification(HistoryItem *item, int forwardedCount) = 0;
	virtual void doClearAll() = 0;
	virtual void doClearAllFast() = 0;
	virtual void doClearFromItem(HistoryItem *item) = 0;
	virtual void doClearFromHistory(History *history) = 0;
	virtual void onBeforeNotificationActivated(PeerId peerId, MsgId msgId) {
	}
	virtual void onAfterNotificationActivated(PeerId peerId, MsgId msgId) {
	}

};

class NativeManager : public Manager {
protected:
	void doUpdateAll() override {
		doClearAllFast();
	}
	void doClearAll() override {
		doClearAllFast();
	}
	void doClearFromItem(HistoryItem *item) override {
	}
	void doShowNotification(HistoryItem *item, int forwardedCount) override;

	virtual void doShowNativeNotification(PeerData *peer, MsgId msgId, const QString &title, const QString &subtitle, const QString &msg, bool hideNameAndPhoto, bool hideReplyButton) = 0;

};

} // namespace Notifications
} // namespace Window