// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once

#include "CoreMinimal.h"
#include "Widgets/DeclarativeSyntaxSupport.h"
#include "Styling/SlateTypes.h"
#include "Widgets/Views/STableViewBase.h"
#include "Widgets/Views/STableRow.h"
#include "Fbx/SSceneBaseMeshListView.h"

struct FPropertyChangedEvent;

class SFbxSceneStaticMeshReimportListView: public SFbxSSceneBaseMeshListView
{
public:
    ~SFbxSceneStaticMeshReimportListView();

    SLATE_BEGIN_ARGS(SFbxSceneStaticMeshReimportListView)
        : _SceneInfo(nullptr), _SceneInfoOriginal(nullptr), _MeshStatusMap(nullptr), _GlobalImportSettings(nullptr), _OverrideNameOptionsMap(nullptr), _SceneImportOptionsStaticMeshDisplay(nullptr)
    {}
    SLATE_ARGUMENT(TSharedPtr<FFbxSceneInfo>, SceneInfo)
    SLATE_ARGUMENT(TSharedPtr<FFbxSceneInfo>, SceneInfoOriginal)
    SLATE_ARGUMENT(FbxSceneReimportStatusMapPtr, MeshStatusMap)
    SLATE_ARGUMENT(UnFbx::FBXImportOptions*, GlobalImportSettings)
    SLATE_ARGUMENT(FbxOverrideNameOptionsArrayPtr, OverrideNameOptions)
    SLATE_ARGUMENT(ImportOptionsNameMapPtr, OverrideNameOptionsMap)
    SLATE_ARGUMENT(class UFbxSceneImportOptionsStaticMesh*, SceneImportOptionsStaticMeshDisplay)
    SLATE_END_ARGS()

    /** Construct this widget */

    void Construct(const FArguments& InArgs);
    TSharedRef<ITableRow> OnGenerateRowFbxSceneListView(FbxMeshInfoPtr Item, const TSharedRef<STableViewBase>& OwnerTable);

    void OnFinishedChangingProperties(const FPropertyChangedEvent& PropertyChangedEvent);

    /** Filter show every reimport that will add content */
    void OnToggleFilterAddContent(ECheckBoxState CheckType);
    ECheckBoxState IsFilterAddContentChecked() const
    {
        return FilterAddContent ? ECheckBoxState::Checked : ECheckBoxState::Unchecked;
    }

    /** Filter show every reimport that will delete content */
    void OnToggleFilterDeleteContent(ECheckBoxState CheckType);
    ECheckBoxState IsFilterDeleteContentChecked() const
    {
        return FilterDeleteContent ? ECheckBoxState::Checked : ECheckBoxState::Unchecked;
    }

    /** Filter show every reimport that will override content */
    void OnToggleFilterOverwriteContent(ECheckBoxState CheckType);
    ECheckBoxState IsFilterOverwriteContentChecked() const
    {
        return FilterOverwriteContent ? ECheckBoxState::Checked : ECheckBoxState::Unchecked;
    }

    /** Filter show every reimport that dont match between the original fbx and the new one */
    void OnToggleFilterDiff(ECheckBoxState CheckType);
    ECheckBoxState IsFilterDiffChecked() const
    {
        return FilterDiff ? ECheckBoxState::Checked : ECheckBoxState::Unchecked;
    }

protected:
    TSharedPtr<FFbxSceneInfo> SceneInfoOriginal;
    class UFbxSceneImportOptionsStaticMesh* SceneImportOptionsStaticMeshDisplay;

    /** the elements we show in the list view */
    TArray<FbxMeshInfoPtr> FilterFbxMeshesArray;
    bool FilterAddContent;
    bool FilterDeleteContent;
    bool FilterOverwriteContent;
    bool FilterDiff;

    void UpdateFilterList();

    FbxSceneReimportStatusMapPtr MeshStatusMap;

    virtual void SetSelectionImportState(bool MarkForImport);
    virtual void OnToggleSelectAll(ECheckBoxState CheckType);

    /** Open a context menu for the current selection */
    TSharedPtr<SWidget> OnOpenContextMenu();
    void AssignToStaticMesh();
    bool ShowResetAssignToStaticMesh();
    void ResetAssignToStaticMesh();
    virtual void OnChangedOverrideOptions(TSharedPtr<FString> ItemSelected, ESelectInfo::Type SelectInfo);
};