/* Copyright 2013-2021 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 <QWidget>
#include <QSortFilterProxyModel>
#include "BaseVersionList.h"
#include "VersionListView.h"

class VersionProxyModel;
class VersionListView;
class QVBoxLayout;
class QProgressBar;
class Filter;

class VersionSelectWidget: public QWidget
{
    Q_OBJECT
public:
    explicit VersionSelectWidget(QWidget *parent = 0);
    ~VersionSelectWidget();

    //! loads the list if needed.
    void initialize(BaseVersionList *vlist);

    //! Starts a task that loads the list.
    void loadList();

    bool hasVersions() const;
    BaseVersionPtr selectedVersion() const;
    void selectRecommended();
    void selectCurrent();

    void setCurrentVersion(const QString & version);
    void setFuzzyFilter(BaseVersionList::ModelRoles role, QString filter);
    void setExactFilter(BaseVersionList::ModelRoles role, QString filter);
    void setFilter(BaseVersionList::ModelRoles role, Filter *filter);
    void setEmptyString(QString emptyString);
    void setEmptyErrorString(QString emptyErrorString);
    void setEmptyMode(VersionListView::EmptyMode mode);
    void setResizeOn(int column);

signals:
    void selectedVersionChanged(BaseVersionPtr version);

protected:
    virtual void closeEvent ( QCloseEvent* );

private slots:
    void onTaskSucceeded();
    void onTaskFailed(const QString &reason);
    void changeProgress(qint64 current, qint64 total);
    void currentRowChanged(const QModelIndex &current, const QModelIndex &);

private:
    void preselect();

private:
    QString m_currentVersion;
    BaseVersionList *m_vlist = nullptr;
    VersionProxyModel *m_proxyModel = nullptr;
    int resizeOnColumn = 0;
    Task * loadTask;
    bool preselectedAlready = false;

private:
    QVBoxLayout *verticalLayout = nullptr;
    VersionListView *listView = nullptr;
    QProgressBar *sneakyProgressBar = nullptr;
};
