#pragma once

#include "Containers/Array.h"
#include "CoreMinimal.h"
#include "EdGraph/EdGraphNode.h"
#include "EdGraph/EdGraphPin.h"
#include "HAL/Platform.h"
#include "Internationalization/Text.h"
#include "K2Node.h"
#include "UObject/NameTypes.h"
#include "UObject/ObjectMacros.h"
#include "UObject/UObjectGlobals.h"

#include "LuaCallNode.generated.h"

class FBlueprintActionDatabaseRegistrar;
class FString;
class UEdGraph;
class UObject;


//
// The Lua Call K2Node.
//
UCLASS(MinimalAPI)
class UK2Node_LuaInvoke : public UK2Node
{
	GENERATED_UCLASS_BODY()

	//~ Begin UObject Interface
	virtual void PostEditChangeProperty(struct FPropertyChangedEvent& PropertyChangedEvent) override;
	//~ End UObject Interface

	//~ Begin UEdGraphNode Interface.
	virtual void AllocateDefaultPins() override;
	virtual FText GetNodeTitle(ENodeTitleType::Type TitleType) const override;
	virtual bool ShouldShowNodeProperties() const override { return true; }
	virtual void PinDefaultValueChanged(UEdGraphPin* Pin) override;
	virtual FText GetTooltipText() const override;
	virtual FText GetPinDisplayName(const UEdGraphPin* Pin) const override;
	//~ End UEdGraphNode Interface.

	//~ Begin UK2Node Interface.
	virtual bool IsNodePure() const override { return false; }
	virtual bool NodeCausesStructuralBlueprintChange() const override { return true; }
	virtual void ExpandNode(class FKismetCompilerContext& CompilerContext, UEdGraph* SourceGraph) override;
	virtual ERedirectType DoPinsMatchForReconstruction(const UEdGraphPin* NewPin, int32 NewPinIndex, const UEdGraphPin* OldPin, int32 OldPinIndex) const override;
	virtual bool IsConnectionDisallowed(const UEdGraphPin* MyPin, const UEdGraphPin* OtherPin, FString& OutReason) const override;
	virtual void GetMenuActions(FBlueprintActionDatabaseRegistrar& ActionRegistrar) const override;
	virtual FText GetMenuCategory() const override;
	virtual int32 GetNodeRefreshPriority() const override { return EBaseNodeRefreshPriority::Low_UsesDependentWildcard; }
	//~ End UK2Node Interface.

private:

	virtual bool IsInvoke() const { return true; }

	/** Pin Names for the three built-in Pins **/
	static const FName FunctionPinName;
	static const FName PlacePinName;
	static const FName ExtraResultsPinName;
	static const FName ErrorPinName;

	/** Utility functions for manipulating pin names with prefixes **/
	static bool IsPrefix(const UEdGraphPin *Pin, char Prefix);
	static FName AddPrefix(const FString &String, char Prefix);
	static FString RemovePrefix(FName Name, char Prefix);
	 
private:
	/** The lua function prototype, which must be saved as a property **/
	UPROPERTY()
	FString LuaFunctionPrototype;

};

UCLASS(MinimalAPI)
class UK2Node_LuaProbe : public UK2Node_LuaInvoke
{
	GENERATED_UCLASS_BODY()

	// Setting this flag alters the behavior of LuaInvoke, making it
	// probe instead of invoke.
	//
	virtual bool IsInvoke() const override { return false; }
};