// © 2024 Long Ly. All rights reserved. Any unauthorized use, reproduction, or distribution of this trademark is strictly prohibited and may result in legal action.

#pragma once

#include "Engine/StreamableManager.h"

DECLARE_LOG_CATEGORY_EXTERN(LogOLSAssetManagerStartupJob, Verbose, All);

DECLARE_DELEGATE_OneParam(FOLSAssetManagerStartupJobSubstepProgress, float /*newProgress*/);

/** Handles reporting progress from streamable handles */
struct FOLSAssetManagerStartupJob
{
	FOLSAssetManagerStartupJobSubstepProgress SubstepProgressDelegate;
	TFunction<void(const FOLSAssetManagerStartupJob&, TSharedPtr<FStreamableHandle>&)> JobFunc;
	FString JobName;
	float JobWeight;
	mutable double LastUpdate = 0;

	/** Simple job that is all synchronous */
	FOLSAssetManagerStartupJob(const FString& jobName, const TFunction<void(const FOLSAssetManagerStartupJob&, TSharedPtr<FStreamableHandle>&)>& jobFunc, float jobWeight)
		: JobFunc(jobFunc)
		, JobName(jobName)
		, JobWeight(jobWeight)
	{}

	/** Perform actual loading, will return a handle if it created one */
	TSharedPtr<FStreamableHandle> DoJob() const;

	void UpdateSubstepProgress(float newProgress) const;

	void UpdateSubstepProgressFromStreamable(TSharedRef<FStreamableHandle> streamableHandle) const;
};