#pragma once

#include "CoreMinimal.h"
#include "Common.h"
#include "Components/Widget.h"
#include "InputCoreTypes.h"
#include "Widgets/Layout/SScaleBox.h"
#include "PromptWidget.generated.h"


UCLASS(BlueprintType, Blueprintable)
class INTEGRATION_API UlxPromptWidget : public UWidget
{
	GENERATED_BODY()

public:
	UPROPERTY(EditAnywhere, Category="Prompt")
	TObjectPtr<UTexture2D> ButtonAtlas;

	UFUNCTION(BlueprintCallable, Category="Prompt")
	void SetKeys(FKey InGamepadKey, FKey InKeyboardKey);

	UPROPERTY(EditAnywhere, Setter, Category="Prompt")
	FVector2D Size = FVector2D(64, 64);

	UPROPERTY(EditAnywhere, Setter, Category="Prompt")
	FMargin GlyphMargins = FMargin(0.0f, 0.1f, 0.0f, 0.1f);

	UPROPERTY(EditAnywhere, Setter, Category="Prompt")
	FLinearColor GlyphColor = FLinearColor::White;


	UFUNCTION(BlueprintCallable, Category="Prompt")
	void SetGlyphMargins(FMargin InMargins);

	UFUNCTION(BlueprintCallable, Category="Prompt")
	void SetGlyphColor(FLinearColor InColor);


	UFUNCTION(BlueprintCallable, Category="Prompt")
	void SetSize(FVector2D InSize);

protected:
	virtual TSharedRef<SWidget> RebuildWidget() override;
	virtual void SynchronizeProperties() override;
	virtual void ReleaseSlateResources(bool bReleaseChildren) override;

	UPROPERTY(EditAnywhere, Category="Prompt")
	FKey GamepadKey = EKeys::Gamepad_FaceButton_Left;

	UPROPERTY(EditAnywhere, Category="Prompt")
	FKey KeyboardKey = EKeys::Z;

private:
	FSlateBrush MyBrush;
	TSharedPtr<SOverlay> MyOverlay;
	TSharedPtr<SImage> MyImage;
	TSharedPtr<SScaleBox> MyScaleBox;
	TSharedPtr<STextBlock> MyGlyph;
	SOverlay::FOverlaySlot* MyGlyphSlot = nullptr;

	FBox2f GetIconUVs(int32 IconIndex);
	FMargin GetScaledMargins() const;
	void CalcAppearance(int32& OutIcon, FString& OutGlyph) const;
	void CalcKeyboardAppearance(int32& OutIcon, FString& OutGlyph) const;
	void CalcGamepadAppearance(ElxInputMode Mode, int32& OutIcon, FString& OutGlyph) const;
};