// Copyright Epic Games, Inc. All Rights Reserved.

#pragma once

#include "CoreMinimal.h"

#include "AssetRegistry/AssetData.h"
#include "Containers/BitArray.h"
#include "Misc/AssetRegistryInterface.h"
#include "UObject/Linker.h"

class FPackageDependencyData: public FLinkerTables
{
public:
    /** The name of the package that dependency data is gathered from */
    FName PackageName;

    /** Asset Package data, gathered at the same time as dependency data */
    FAssetPackageData PackageData;

    TBitArray<> ImportUsedInGame;
    TBitArray<> SoftPackageUsedInGame;

    /**
     * Return the package name of the UObject represented by the specified import.
     *
     * @param	PackageIndex	package index for the resource to get the name for
     *
     * @return	the path name of the UObject represented by the resource at PackageIndex, or the empty string if this isn't an import
     */
    FName GetImportPackageName(int32 ImportIndex);

    /**
     * Serialize as part of the registry cache. This is not meant to be serialized as part of a package so  it does not handle versions normally
     * To version this data change FAssetRegistryVersion or CacheSerializationVersion
     */
    void SerializeForCache(FArchive& Ar)
    {
        Ar << PackageName;
        Ar << ImportMap;
        Ar << SoftPackageReferenceList;
        Ar << SearchableNamesMap;
        PackageData.SerializeForCache(Ar);
        Ar << ImportUsedInGame;
        Ar << SoftPackageUsedInGame;
        if (Ar.IsLoading())
        {
            if (!IsValid())
            {
                Ar.SetError();
            }
        }
    }

    bool IsValid() const
    {
        return ImportUsedInGame.Num() == ImportMap.Num() &&
               SoftPackageUsedInGame.Num() == SoftPackageReferenceList.Num();
    }
};