// © 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 "CoreMinimal.h"
#include "Subsystems/WorldSubsystem.h"

#include "GameplayAbilitySpecHandle.h"
#include "ActiveGameplayEffectHandle.h"
#include "OLSGlobaAbilitySubsystem.generated.h"

USTRUCT()
struct FOLSGlobalAppliedAbilityList
{
	GENERATED_BODY()

	UPROPERTY()
	TMap<TObjectPtr<class UOLSAbilitySystemComponent>, FGameplayAbilitySpecHandle> Handles;

	void AddToASC(TSubclassOf<class UGameplayAbility> ability, class UOLSAbilitySystemComponent* asc);
	void RemoveFromASC(class UOLSAbilitySystemComponent* asc);
	void RemoveFromAll();
};

USTRUCT()
struct FOLSGlobalAppliedEffectList
{
	GENERATED_BODY()

	UPROPERTY()
	TMap<TObjectPtr<class UOLSAbilitySystemComponent>, FActiveGameplayEffectHandle> Handles;

	void AddToASC(const TSubclassOf<class UGameplayEffect>& effect, class UOLSAbilitySystemComponent* asc);
	void RemoveFromASC(class UOLSAbilitySystemComponent* asc);
	void RemoveFromAll();
};

/**
 * 
 */
UCLASS()
class OLS_API UOLSGlobaAbilitySubsystem : public UWorldSubsystem
{
	GENERATED_BODY()

public:

	/** Register an ASC with global system and apply any active global effects/abilities. */
	void RegisterASC(class UOLSAbilitySystemComponent* asc);

	/** Removes an ASC from the global system, along with any active global effects/abilities. */
	void UnregisterASC(class UOLSAbilitySystemComponent* asc);

private:

	UPROPERTY()
	TMap<TSubclassOf<class UGameplayAbility>, FOLSGlobalAppliedAbilityList> AppliedAbilities;

	UPROPERTY()
	TMap<TSubclassOf<class UGameplayEffect>, FOLSGlobalAppliedEffectList> AppliedEffects;

	UPROPERTY()
	TArray<TObjectPtr<class UOLSAbilitySystemComponent>> RegisteredASCs;
};