/* 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 <QMainWindow>

#include "minecraft/MinecraftInstance.h"
#include "minecraft/PackProfile.h"
#include "ui/pages/BasePage.h"

namespace Ui
{
class VersionPage;
}

class VersionPage : public QMainWindow, public BasePage
{
    Q_OBJECT

public:
    explicit VersionPage(MinecraftInstance *inst, QWidget *parent = 0);
    virtual ~VersionPage();
    virtual QString displayName() const override
    {
        return tr("Version");
    }
    virtual QIcon icon() const override;
    virtual QString id() const override
    {
        return "version";
    }
    virtual QString helpPage() const override
    {
        return "Instance-Version";
    }
    virtual bool shouldDisplay() const override;

private slots:
    void on_actionChange_version_triggered();
    void on_actionInstall_Forge_triggered();
    void on_actionInstall_NeoForge_triggered();
    void on_actionInstall_Fabric_triggered();
    void on_actionInstall_Quilt_triggered();
    void on_actionAdd_Empty_triggered();
    void on_actionInstall_LiteLoader_triggered();
    void on_actionReload_triggered();
    void on_actionRemove_triggered();
    void on_actionMove_up_triggered();
    void on_actionMove_down_triggered();
    void on_actionAdd_to_Minecraft_jar_triggered();
    void on_actionReplace_Minecraft_jar_triggered();
    void on_actionRevert_triggered();
    void on_actionEdit_triggered();
    void on_actionInstall_mods_triggered();
    void on_actionCustomize_triggered();
    void on_actionDownload_All_triggered();

    void on_actionMinecraftFolder_triggered();
    void on_actionLibrariesFolder_triggered();

    void updateVersionControls();

private:
    Component * current();
    int currentRow();
    void updateButtons(int row = -1);
    void preselect(int row = 0);
    int doUpdate();

protected:
    QMenu * createPopupMenu() override;

    /// FIXME: this shouldn't be necessary!
    bool reloadPackProfile();

private:
    Ui::VersionPage *ui;
    QSortFilterProxyModel *m_filterModel;
    std::shared_ptr<PackProfile> m_profile;
    MinecraftInstance *m_inst;
    int currentIdx = 0;
    bool controlsEnabled = false;

public slots:
    void versionCurrent(const QModelIndex &current, const QModelIndex &previous);

private slots:
    void updateRunningStatus(bool running);
    void onGameUpdateError(QString error);
    void packageCurrent(const QModelIndex &current, const QModelIndex &previous);
    void showContextMenu(const QPoint &pos);
    void onFilterTextChanged(const QString & newContents);
};
