// Copyright Pacificao. All Rights Reserved.

#include "AgrarianPersistenceSubsystem.h"
#include "AgrarianSaveGame.h"
#include "Kismet/GameplayStatics.h"

UAgrarianSaveGame* UAgrarianPersistenceSubsystem::CreateEmptySave() const
{
	return Cast<UAgrarianSaveGame>(UGameplayStatics::CreateSaveGameObject(UAgrarianSaveGame::StaticClass()));
}

UAgrarianSaveGame* UAgrarianPersistenceSubsystem::LoadOrCreateSave() const
{
	if (UGameplayStatics::DoesSaveGameExist(DefaultSlotName, UserIndex))
	{
		if (UAgrarianSaveGame* Loaded = Cast<UAgrarianSaveGame>(UGameplayStatics::LoadGameFromSlot(DefaultSlotName, UserIndex)))
		{
			return Loaded;
		}
	}

	return CreateEmptySave();
}

bool UAgrarianPersistenceSubsystem::WriteSave(UAgrarianSaveGame* SaveGame) const
{
	return SaveGame ? UGameplayStatics::SaveGameToSlot(SaveGame, DefaultSlotName, UserIndex) : false;
}

bool UAgrarianPersistenceSubsystem::DoesSaveExist() const
{
	return UGameplayStatics::DoesSaveGameExist(DefaultSlotName, UserIndex);
}