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

#include "AutoReimport/AutoReimportUtilities.h"
#include "EditorFramework/AssetImportData.h"
#include "AutoReimport/AssetSourceFilenameCache.h"

DEFINE_LOG_CATEGORY(LogAutoReimportManager);

namespace Utils
{
TArray<FAssetData> FindAssetsPertainingToFile(const IAssetRegistry& Registry, const FString& AbsoluteFilename)
{
    return FAssetSourceFilenameCache::Get().GetAssetsPertainingToFile(Registry, AbsoluteFilename);
}

TArray<FString> ExtractSourceFilePaths(UObject* Object)
{
    TArray<FString> Temp;
    ExtractSourceFilePaths(Object, Temp);
    return Temp;
}

void ExtractSourceFilePaths(UObject* Object, TArray<FString>& OutSourceFiles)
{
    TArray<UObject::FAssetRegistryTag> TagList;
    Object->GetAssetRegistryTags(TagList);

    const FName TagName = UObject::SourceFileTagName();
    for (const auto& Tag: TagList)
    {
        if (Tag.Name == TagName)
        {
            int32 PreviousNum                      = OutSourceFiles.Num();

            TOptional<FAssetImportInfo> ImportInfo = FAssetImportInfo::FromJson(Tag.Value);
            if (ImportInfo.IsSet())
            {
                for (const auto& File: ImportInfo->SourceFiles)
                {
                    OutSourceFiles.Emplace(UAssetImportData::ResolveImportFilename(File.RelativeFilename, Object->GetOutermost()));
                }
            }
            break;
        }
    }
}
}  // namespace Utils