/*
 * Copyright (c) Contributors to the Open 3D Engine Project.
 * For complete copyright and license terms please see the LICENSE at the root of this distribution.
 *
 * SPDX-License-Identifier: Apache-2.0 OR MIT
 *
 */
#pragma once

#if !defined(Q_MOC_RUN)
#include <AzCore/Memory/SystemAllocator.h>

#include <QWidget>
#endif

class QItemSelection;

namespace Ui
{
    class AzAssetBrowserWindowClass;
}

namespace AzToolsFramework
{
    namespace AssetBrowser
    {
        class AssetBrowserFilterModel;
        class AssetBrowserTableModel;
        class AssetBrowserModel;
        class AssetBrowserTableFilterModel;

        enum class AssetBrowserDisplayState : int
        {
            ExpandedMode,
            DefaultMode,
            Invalid
        };
    } // namespace AssetBrowser
} // namespace AzToolsFramework

class AzAssetBrowserWindow : public QWidget
{
    Q_OBJECT
public:
    AZ_CLASS_ALLOCATOR(AzAssetBrowserWindow, AZ::SystemAllocator, 0);

    explicit AzAssetBrowserWindow(QWidget* parent = nullptr);
    virtual ~AzAssetBrowserWindow();

    void SelectAsset(const QString& assetPath);

    static void RegisterViewClass();

    static QObject* createListenerForShowAssetEditorEvent(QObject* parent);


Q_SIGNALS:
    void SizeChangedSignal(int newWidth);

protected:
    void resizeEvent(QResizeEvent* resizeEvent) override;

private:
    void OnInitViewToggleButton();
    void UpdateDisplayInfo();

protected slots:
    void CreateSwitchViewMenu();
    void SetExpandedAssetBrowserMode();
    void SetDefaultAssetBrowserMode();
    void SetTableViewVisibleAfterFilter();

private:
    QScopedPointer<Ui::AzAssetBrowserWindowClass> m_ui;
    QScopedPointer<AzToolsFramework::AssetBrowser::AssetBrowserFilterModel> m_filterModel;
    QScopedPointer<AzToolsFramework::AssetBrowser::AssetBrowserTableModel> m_tableModel;
    AzToolsFramework::AssetBrowser::AssetBrowserModel* m_assetBrowserModel;
    QMenu* m_viewSwitchMenu = nullptr;
    QAction* m_expandedAssetBrowserMode = nullptr;
    QAction* m_defaultAssetBrowserMode = nullptr;
    AzToolsFramework::AssetBrowser::AssetBrowserDisplayState m_assetBrowserDisplayState =
        AzToolsFramework::AssetBrowser::AssetBrowserDisplayState::DefaultMode;

    void UpdatePreview() const;

private Q_SLOTS:
    void SelectionChangedSlot(const QItemSelection& selected, const QItemSelection& deselected) const;
    void DoubleClickedItem(const QModelIndex& element);
};

extern const char* AZ_ASSET_BROWSER_PREVIEW_NAME;