#pragma once

#include "CoreMinimal.h"
#include "WingServer.h"
#include "WingHandler.h"
#include "WingFetcher.h"
#include "WingUtils.h"
#include "WingPackageMaker.h"
#include "Animation/Skeleton.h"
#include "Animation/BlendSpace.h"
#include "BlendSpace_Create.generated.h"


// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------

UCLASS()
class UWing_BlendSpace_Create : public UObject, public IWingHandler
{
	GENERATED_BODY()

public:
	UPROPERTY(meta=(Description="Full asset path for the new Blend Space (e.g. '/Game/BlendSpaces/BS_Locomotion')"))
	FString AssetPath;

	UPROPERTY(meta=(Description="Skeleton asset package path"))
	FString Skeleton;

	virtual FString GetDescription() const override
	{
		return TEXT("Create a new 2D Blend Space asset with a specified skeleton.");
	}

	virtual void Handle() override
	{
		WingPackageMaker Maker(AssetPath);
		if (!Maker.Ok()) return;

		// Resolve skeleton.
		WingFetcher SkeletonFetcher;
		USkeleton* SkeletonObj = SkeletonFetcher.Asset(Skeleton).Cast<USkeleton>();
		if (!SkeletonObj) return;

		// Create the package and Blend Space.
		if (!Maker.Make()) return;
		UBlendSpace* NewBS = NewObject<UBlendSpace>(Maker.Package(), FName(*Maker.Name()), RF_Public | RF_Standalone);
		if (!NewBS)
		{
			UWingServer::Print(TEXT("ERROR: Failed to create Blend Space object\n"));
			return;
		}

		// Set skeleton.
		NewBS->SetSkeleton(SkeletonObj);

		NewBS->MarkPackageDirty();

		UWingServer::Printf(TEXT("Created %s\n"), *NewBS->GetPathName());
		UWingServer::Printf(TEXT("Skeleton: %s\n"), *SkeletonObj->GetPathName());
	}
};