/* Copyright 2015-2017 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 "BaseEntity.h"
#include "BaseVersionList.h"
#include <QJsonObject>
#include <memory>

namespace Meta
{
using VersionPtr = std::shared_ptr<class Version>;
using VersionListPtr = std::shared_ptr<class VersionList>;

class MULTIMC_LOGIC_EXPORT VersionList : public BaseVersionList, public BaseEntity
{
	Q_OBJECT
	Q_PROPERTY(QString uid READ uid CONSTANT)
	Q_PROPERTY(QString name READ name NOTIFY nameChanged)
public:
	explicit VersionList(const QString &uid, QObject *parent = nullptr);

	enum Roles
	{
		UidRole = Qt::UserRole + 100,
		TimeRole,
		RequiresRole,
		VersionPtrRole
	};

	shared_qobject_ptr<Task> getLoadTask() override;
	bool isLoaded() override;
	const BaseVersionPtr at(int i) const override;
	int count() const override;
	void sortVersions() override;

	BaseVersionPtr getRecommended() const override;

	QVariant data(const QModelIndex &index, int role) const override;
	RoleList providesRoles() const override;
	QHash<int, QByteArray> roleNames() const override;

	QString localFilename() const override;

	QString parentUid() const
	{
		return m_parentUid;
	}
	QString uid() const
	{
		return m_uid;
	}
	QString name() const
	{
		return m_name;
	}
	QString humanReadable() const;

	VersionPtr getVersion(const QString &version);

	QVector<VersionPtr> versions() const
	{
		return m_versions;
	}

public: // for usage only by parsers
	void setName(const QString &name);
	void setParentUid(const QString &parentUid);
	void setVersions(const QVector<VersionPtr> &versions);
	void merge(const BaseEntity::Ptr &other) override;
	void parse(const QJsonObject &obj) override;

signals:
	void nameChanged(const QString &name);

protected slots:
	void updateListData(QList<BaseVersionPtr>) override
	{
	}

private:
	QVector<VersionPtr> m_versions;
	QHash<QString, VersionPtr> m_lookup;
	QString m_uid;
	QString m_parentUid;
	QString m_name;

	VersionPtr m_recommended;

	void setupAddedVersion(const int row, const VersionPtr &version);
};
}
Q_DECLARE_METATYPE(Meta::VersionListPtr)