// Copyright UnexGames 2025. All Rights Reserved.

#pragma once

#include "CoreMinimal.h"
#include "Kismet/BlueprintFunctionLibrary.h"
#include "ThreadTasks.h"
#include "ThreadPool.h"
#include "ThreadMutex.h"
#include "ThreadTasksLoop.h"
#include "Async/Async.h"
#include "Engine/EngineTypes.h"
#include "ThreadLibrary.generated.h"

/**
 * 
 */




UCLASS()
class MULTITHREADLIBRARY_API UThreadLibrary : public UBlueprintFunctionLibrary
{
	GENERATED_BODY()
	

public:

	/**
	* Execute task on Thread os taskGraph, not thread pool.
	*/
	UFUNCTION(BlueprintCallable, Meta = (Latent, DisplayName = "Created And Execute Task On Thread", LatentInfo = "LatentInfo", ExpandEnumAsExecs = "Out", HidePin = "WorldContextObject", DefaultToSelf = "WorldContextObject"), Category = "MultiThreadLibrary")
		static void CreateAndExecuteTaskOnThread(UObject* WorldContextObject, FLatentActionInfo LatentInfo, UThreadBase*& Task, EtaskExecutionBranches& Out, ETaskExecutionType ExecutionType = ETaskExecutionType::TaskGraph);   

	/**
	*Execute task on thread pool
	*/
	UFUNCTION(BlueprintCallable, Meta = (Latent, DisplayName = "Execute Task On Thread Pool", LatentInfo = "LatentInfo", ExpandEnumAsExecs = "Out", HidePin = "WorldContextObject", DefaultToSelf = "WorldContextObject"), Category = "MultiThreadLibrary")
		static void ExecuteTaskOnThreadPool(UObject* WorldContextObject, FLatentActionInfo LatentInfo, UThreadBase*& Task, EtaskExecutionBranches& Out, UThreadPool* ThreadPool);   

	/*
	* Create one Custom Thread and Execute task on thread body with tick.	
	*/
	UFUNCTION(BlueprintCallable, Category = "MultiThreadLibrary", Meta = (DisplayName = "Create And Execute Task Loop Nr On Thread", Latent, LatentInfo = "LatentInfo", ExpandEnumAsExecs = "Out", HidePin = "WorldContextObject", DefaultToSelf = "WorldContextObject"))
		static void CreateAndExecuteTaskLoopNrOnThread(UObject* WorldContextObject, FLatentActionInfo LatentInfo, int LoopNumber, float LoopInterval, EtaskExecutionBranches& Out);

	/**
	 * Attempts to destroy a Thread Pool immediately.
	 */
	UFUNCTION(BlueprintCallable, Meta = (DisplayName = "Destroy Thread Pool Immediately"), Category = "MultiThreadLibrary")
		static void DestroyThreadPoolImmediately(UThreadPool* ThreadPool);

	/**
	*Return Thread name of thread from where called this function.
	*/
	UFUNCTION(BlueprintCallable, Meta = (DisplayName = "Get Current Thread Name"), Category = "MultiThreadLibrary")
		static FString GetCurrentThreadName(int32 threadID);   

	/**
	*Return Thread ID of thread from where called this function.
	*/
	UFUNCTION(BlueprintCallable, Meta = (DisplayName = "Get Current Thread ID"), Category = "MultiThreadLibrary")
		static int32 GetCurrentThreadID();      

	/**
	*leep the Thread for any time in seconds.
	*/
	UFUNCTION(BlueprintCallable, Category = "MultiThreadLibrary")
		static void Sleep(float Seconds);      

	/**
	*Get the thread stack Size, where are actived this function.
	*/
	UFUNCTION(BlueprintCallable, BlueprintPure, Category = "MultiThreadLibrary")
		static int32 GetThreadStackSize();     

	/**
	*  Return the number of CPU cores used by Thread.
	*/
	UFUNCTION(BlueprintPure, Category = "MultiThreadLibrary")
		static int32 GetNumberOfCores(); 

	/**
	*Return the number of CPU cores including Hyperthreads.
	*/
	UFUNCTION(BlueprintPure, Category = "MultiThreadLibrary")
		static int32 GetNumberOfCoresIncludingHyperthreads(); 

	/**
	*Return whether it's called from game thread or not.
	*/
	UFUNCTION(BlueprintPure, Category = "MultiThreadLibrary")
		static bool IsInGameThread();    




	/**
	*Create Thread pool for use on BP.
	*/
	UFUNCTION(BlueprintCallable, Meta = (HidePin = "WorldContextObject", DefaultToSelf = "WorldContextObject"), Category = "MultiThreadLibrary")
		static UThreadPool* CreateThreadPool(UObject* WorldContextObject, int32 NumQueuedThreads = 1, int32 StackSize = 32768, EThreadPoolPriority ThreadPriority = EThreadPoolPriority::Normal, FString Name = "CustomThreadPool");

	/**
	*Create the Mutex for controling the Thread (Lock/TryLock or UnLock)
	*/
	UFUNCTION(BlueprintCallable, Meta = (HidePin = "WorldContextObject", DefaultToSelf = "WorldContextObject"), Category = "MultiThreadLibrary")
		static UThreadMutex* CreateMutex(UObject* WorldContextObject);





};