// ©2023 Batty Bovine Productions, LLC. All Rights Reserved.

#pragma once

#include "CoreMinimal.h"
#include "BlueprintConnectionDrawingPolicy.h"
#include "ConnectionDrawingPolicy.h"

DECLARE_LOG_CATEGORY_EXTERN(LogConnectionDrawingPolicy_ComboActionGraph, Log, All);


class FConnectionDrawingPolicy_ComboActionGraph : public FKismetConnectionDrawingPolicy
{

public:
	FConnectionDrawingPolicy_ComboActionGraph(int32 InBackLayerID, int32 InFrontLayerID, float ZoomFactor, const FSlateRect& InClippingRect, FSlateWindowElementList& InDrawElements, UEdGraph* InGraphObj);
	virtual ~FConnectionDrawingPolicy_ComboActionGraph() {};
	
	// FConnectionDrawingPolicy interface 
	virtual void DetermineWiringStyle(UEdGraphPin* OutputPin, UEdGraphPin* InputPin, /*inout*/ FConnectionParams& Params) override;
	virtual void Draw(TMap<TSharedRef<SWidget>, FArrangedWidget>& InPinGeometries, FArrangedChildren& ArrangedNodes) override;
	virtual void DrawSplineWithArrow(const FGeometry& StartGeom, const FGeometry& EndGeom, const FConnectionParams& Params) override;
	virtual void DrawSplineWithArrow(const FVector2D& StartPoint, const FVector2D& EndPoint, const FConnectionParams& Params) override;
	virtual void DrawPreviewConnector(const FGeometry& PinGeometry, const FVector2D& StartPoint, const FVector2D& EndPoint, UEdGraphPin* Pin) override;
	virtual FVector2D ComputeSplineTangent(const FVector2D& Start, const FVector2D& End) const override;
	virtual void DetermineLinkGeometry(FArrangedChildren& ArrangedNodes, TSharedRef<SWidget>& OutputPinWidget, UEdGraphPin* OutputPin, UEdGraphPin* InputPin, FArrangedWidget*& StartWidgetGeometry, FArrangedWidget*& EndWidgetGeometry) override;
	// End of FConnectionDrawingPolicy interface
	
protected:
	void Internal_DrawLineWithArrow(const FVector2D& StartAnchorPoint, const FVector2D& EndAnchorPoint, const FConnectionParams& Params);

protected:
	UEdGraph *GraphObj;
	TMap<UEdGraphNode*, int32> NodeWidgetMap;
	
};