// This file is part of RSS Guard.
//
// Copyright (C) 2011-2017 by Martin Rotter <rotter.martinos@gmail.com>
//
// RSS Guard 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.
//
// RSS Guard 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 RSS Guard. If not, see <http://www.gnu.org/licenses/>.

#include "services/abstract/category.h"

#include "miscellaneous/application.h"
#include "miscellaneous/databasequeries.h"
#include "services/abstract/serviceroot.h"
#include "services/abstract/feed.h"


Category::Category(RootItem* parent) : RootItem(parent) {
	setKind(RootItemKind::Category);
}

Category::~Category() {
}

void Category::updateCounts(bool including_total_count) {
	QList<Feed*> feeds;

	foreach (RootItem* child, getSubTree()) {
		if (child->kind() == RootItemKind::Feed) {
			feeds.append(child->toFeed());
		}

		else if (child->kind() != RootItemKind::Category && child->kind() != RootItemKind::ServiceRoot) {
			child->updateCounts(including_total_count);
		}
	}

	if (feeds.isEmpty()) {
		return;
	}

	QSqlDatabase database = qApp->database()->connection(metaObject()->className(), DatabaseFactory::FromSettings);
	bool ok;
	QMap<int, QPair<int, int>> counts = DatabaseQueries::getMessageCountsForCategory(database, customId(), getParentServiceRoot()->accountId(),
	                                    including_total_count, &ok);

	if (ok) {
		foreach (Feed* feed, feeds) {
			if (counts.contains(feed->customId())) {
				feed->setCountOfUnreadMessages(counts.value(feed->customId()).first);

				if (including_total_count) {
					feed->setCountOfAllMessages(counts.value(feed->customId()).second);
				}
			}
		}
	}
}