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

#pragma once

#include "CoreMinimal.h"
#include "Layout/Margin.h"
#include "Input/Reply.h"
#include "Widgets/DeclarativeSyntaxSupport.h"
#include "Widgets/SCompoundWidget.h"

class ITableRow;
class SButton;
class STableViewBase;
struct FSlateBrush;

/**
 * About screen contents widget
 */
class SAboutScreen: public SCompoundWidget
{
public:
    SLATE_BEGIN_ARGS(SAboutScreen)
    {}
    SLATE_END_ARGS()

    /**
     * Constructs the about screen widgets
     */
    UNREALED_API void Construct(const FArguments& InArgs);

private:
    struct FLineDefinition
    {
    public:
        FText Text;
        int32 FontSize;
        FLinearColor TextColor;
        FMargin Margin;

        FLineDefinition(const FText& InText)
            : Text(InText), FontSize(9), TextColor(FLinearColor(0.5f, 0.5f, 0.5f)), Margin(FMargin(6.f, 0.f, 0.f, 0.f))
        {
        }

        FLineDefinition(const FText& InText, int32 InFontSize, const FLinearColor& InTextColor, const FMargin& InMargin)
            : Text(InText), FontSize(InFontSize), TextColor(InTextColor), Margin(InMargin)
        {
        }
    };

    TArray<TSharedRef<FLineDefinition>> AboutLines;
    TSharedPtr<SButton> UE4Button;
    TSharedPtr<SButton> EpicGamesButton;
    TSharedPtr<SButton> FacebookButton;

    /**
     * Makes the widget for the checkbox items in the list view
     */
    TSharedRef<ITableRow> MakeAboutTextItemWidget(TSharedRef<FLineDefinition> Item, const TSharedRef<STableViewBase>& OwnerTable);

    const FSlateBrush* GetUE4ButtonBrush() const;
    const FSlateBrush* GetEpicGamesButtonBrush() const;
    const FSlateBrush* GetFacebookButtonBrush() const;

    FReply OnUE4ButtonClicked();
    FReply OnEpicGamesButtonClicked();
    FReply OnFacebookButtonClicked();
    FReply OnClose();
};