#include "SkillTreeSubsystem.h"
#include "SkillTreeComponent.h"
#include "Engine/World.h"
#include "Kismet/GameplayStatics.h"

void USkillTreeSubsystem::Initialize(FSubsystemCollectionBase& Collection)
{
    Super::Initialize(Collection);

    UE_LOG(LogTemp, Log, TEXT("SkillTreeManager: Initialized"));
}

void USkillTreeSubsystem::Deinitialize()
{
    Super::Deinitialize();

    PlayerSkillTreeComponent = nullptr;
}

USkillTreeSubsystem* USkillTreeSubsystem::GetSkillTreeManager(const UObject* WorldContextObject)
{
    if (!WorldContextObject)
    {
        return nullptr;
    }

    UGameInstance* GameInstance = UGameplayStatics::GetGameInstance(WorldContextObject);
    if (!GameInstance)
    {
        return nullptr;
    }

    return GameInstance->GetSubsystem<USkillTreeSubsystem>();
}

void USkillTreeSubsystem::RegisterPlayerSkillTree(USkillTreeComponent* SkillTreeComponent)
{
    if (SkillTreeComponent)
    {
        PlayerSkillTreeComponent = SkillTreeComponent;
        UE_LOG(LogTemp, Log, TEXT("SkillTreeManager: Registered player skill tree component"));
    }
}

void USkillTreeSubsystem::UnregisterPlayerSkillTree()
{
    PlayerSkillTreeComponent = nullptr;
    UE_LOG(LogTemp, Log, TEXT("SkillTreeManager: Unregistered player skill tree component"));
}