/*
 * nheko Copyright (C) 2017  Konstantinos Sideris <siderisk@auth.gr>
 *
 * 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/>.
 */

#pragma once

#include <QPixmap>
#include <QUrl>

#include "AliasesEventContent.h"
#include "AvatarEventContent.h"
#include "CanonicalAliasEventContent.h"
#include "CreateEventContent.h"
#include "HistoryVisibilityEventContent.h"
#include "JoinRulesEventContent.h"
#include "MemberEventContent.h"
#include "NameEventContent.h"
#include "PowerLevelsEventContent.h"
#include "TopicEventContent.h"

#include "Event.h"
#include "RoomEvent.h"
#include "StateEvent.h"

namespace events = matrix::events;

class RoomState
{
public:
	// Calculate room data that are not immediatly accessible. Like room name and avatar.
	//
	// e.g If the room is 1-on-1 name and avatar should be extracted from a user.
	void resolveName();
	void resolveAvatar();

	inline QUrl getAvatar() const;
	inline QString getName() const;
	inline QString getTopic() const;

	void removeLeaveMemberships();
	void update(const RoomState &state);

	// The latest state events.
	events::StateEvent<events::AliasesEventContent> aliases;
	events::StateEvent<events::AvatarEventContent> avatar;
	events::StateEvent<events::CanonicalAliasEventContent> canonical_alias;
	events::StateEvent<events::CreateEventContent> create;
	events::StateEvent<events::HistoryVisibilityEventContent> history_visibility;
	events::StateEvent<events::JoinRulesEventContent> join_rules;
	events::StateEvent<events::NameEventContent> name;
	events::StateEvent<events::PowerLevelsEventContent> power_levels;
	events::StateEvent<events::TopicEventContent> topic;

	// Contains the m.room.member events for all the joined users.
	QMap<QString, events::StateEvent<events::MemberEventContent>> memberships;

private:
	QUrl avatar_;
	QString name_;

	// It defines the user whose avatar is used for the room. If the room has an avatar
	// event this should be empty.
	QString userAvatar_;
};

inline QString RoomState::getTopic() const
{
	return topic.content().topic().simplified();
}

inline QString RoomState::getName() const
{
	return name_;
}

inline QUrl RoomState::getAvatar() const
{
	return avatar_;
}