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

#pragma once

#include "Containers/ContainersFwd.h"
#include "Templates/FunctionFwd.h"

class UEdGraph;
class USceneStateBlueprint;
class USceneStateMachineGraph;
class USceneStateMachineNode;

namespace UE::PropertyBinding
{
	struct FPropertyCreationDescriptor;
}

namespace UE::SceneState::Graph
{
	enum class EIterationResult : uint8
	{
		Continue,
		Break,
	};

	/**
	 * Visits all the Scene State Machine Nodes in the given Graphs recursively.
	 * For each node it calls the passed in function
	 * @param InGraphs the graphs to look into
	 * @param InFunc the callable for each node, with option to break execution
	 */
	void VisitNodes(TConstArrayView<UEdGraph*> InGraphs, TFunctionRef<void(USceneStateMachineNode*, EIterationResult&)> InFunc);

	/**
	 * Visits all the Scene State Machine Graphs in the given Graphs recursively.
	 * For each node it calls the passed in function
	 * @param InGraphs the graphs to look into
	 * @param InFunc the callable for each node, with option to break execution
	 */
	void VisitGraphs(TConstArrayView<UEdGraph*> InGraphs, TFunctionRef<void(USceneStateMachineGraph*, EIterationResult&)> InFunc);

	/**
	 * Creates Blueprint Variables that match the given Creation Descs
	 * @param InBlueprint the blueprint to add variables to
	 * @param InPropertyCreationDescs describes property names, types, etc
	 */
	void CreateBlueprintVariables(USceneStateBlueprint* InBlueprint, TArrayView<UE::PropertyBinding::FPropertyCreationDescriptor> InPropertyCreationDescs);

} // UE::SceneState::Graph