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/* Copyright 2013-2016 MultiMC Contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once

#include <QAbstractListModel>
#include <memory>
#include "multimc_logic_export.h"

struct Language;

class MULTIMC_LOGIC_EXPORT TranslationsModel : public QAbstractListModel
{
	Q_OBJECT
public:
	explicit TranslationsModel(QString path, QObject *parent = 0);
	virtual ~TranslationsModel();

	virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
	virtual int rowCount(const QModelIndex &parent = QModelIndex()) const override;

	bool selectLanguage(QString key);
	void updateLanguage(QString key);
	QModelIndex selectedIndex();
	QString selectedLanguage();

	void downloadIndex();

private:
	Language *findLanguage(const QString & key);
	void loadLocalIndex();
	void downloadTranslation(QString key);
	void downloadNext();

	// hide copy constructor
	TranslationsModel(const TranslationsModel &) = delete;
	// hide assign op
	TranslationsModel &operator=(const TranslationsModel &) = delete;

private slots:
	void indexRecieved();
	void indexFailed(QString reason);
	void dlFailed(QString reason);
	void dlGood();

private: /* data */
	struct Private;
	std::unique_ptr<Private> d;
};