// Copyright Epic Games, Inc. All Rights Reserved.

#pragma once

#include "CoreMinimal.h"
#include "InputCoreTypes.h"
#include "Widgets/DeclarativeSyntaxSupport.h"
#include "Input/Reply.h"
#include "Widgets/SCompoundWidget.h"
#include "Widgets/SWindow.h"
#include "Factories/FbxImportUI.h"

class SButton;

class SFbxOptionWindow: public SCompoundWidget
{
public:
    SLATE_BEGIN_ARGS(SFbxOptionWindow)
        : _ImportUI(NULL), _WidgetWindow(), _FullPath(), _ForcedImportType(), _IsObjFormat(false), _MaxWindowHeight(0.0f), _MaxWindowWidth(0.0f)
    {}

    SLATE_ARGUMENT(UFbxImportUI*, ImportUI)
    SLATE_ARGUMENT(TSharedPtr<SWindow>, WidgetWindow)
    SLATE_ARGUMENT(FText, FullPath)
    SLATE_ARGUMENT(TOptional<EFBXImportType>, ForcedImportType)
    SLATE_ARGUMENT(bool, IsObjFormat)
    SLATE_ARGUMENT(float, MaxWindowHeight)
    SLATE_ARGUMENT(float, MaxWindowWidth)
    SLATE_END_ARGS()

public:
    void Construct(const FArguments& InArgs);
    virtual bool SupportsKeyboardFocus() const override { return true; }

    FReply OnImport()
    {
        bShouldImport = true;
        if (WidgetWindow.IsValid())
        {
            WidgetWindow.Pin()->RequestDestroyWindow();
        }
        return FReply::Handled();
    }

    FReply OnImportAll()
    {
        bShouldImportAll = true;
        return OnImport();
    }

    FReply OnCancel()
    {
        bShouldImport    = false;
        bShouldImportAll = false;
        if (WidgetWindow.IsValid())
        {
            WidgetWindow.Pin()->RequestDestroyWindow();
        }
        return FReply::Handled();
    }

    virtual FReply OnKeyDown(const FGeometry& MyGeometry, const FKeyEvent& InKeyEvent) override
    {
        if (InKeyEvent.GetKey() == EKeys::Escape)
        {
            return OnCancel();
        }

        return FReply::Unhandled();
    }

    bool ShouldImport() const
    {
        return bShouldImport;
    }

    bool ShouldImportAll() const
    {
        return bShouldImportAll;
    }

    SFbxOptionWindow()
        : ImportUI(NULL), bShouldImport(false), bShouldImportAll(false)
    {}

private:
    bool CanImport() const;
    FReply OnResetToDefaultClick() const;
    FText GetImportTypeDisplayText() const;

private:
    UFbxImportUI* ImportUI;
    TSharedPtr<class IDetailsView> DetailsView;
    TWeakPtr<SWindow> WidgetWindow;
    TSharedPtr<SButton> ImportButton;
    bool bShouldImport;
    bool bShouldImportAll;
    bool bIsObjFormat;
};