// Copyright (c) Meta Platforms, Inc. and affiliates.

#include "MRUtilityKitSerializationHelpers.h"

TSharedPtr<FJsonValue> MRUKSerialize(const FString& String)
{
	return MakeShareable(new FJsonValueString(String));
}

void MRUKDeserialize(const FJsonValue& Value, FString& String)
{
	String = Value.AsString();
}

TSharedPtr<FJsonValue> MRUKSerialize(const FOculusXRUUID& UUID)
{
	return MakeShareable(new FJsonValueString(UUID.ToString()));
}

void MRUKDeserialize(const FJsonValue& Value, FOculusXRUUID& UUID)
{
	const auto Hex = Value.AsString();
	if (Hex.Len() == OCULUSXR_UUID_SIZE * 2)
	{
		HexToBytes(Hex, UUID.UUIDBytes);
	}
	else
	{
		UE_LOG(LogJson, Error, TEXT("Json String '%s' is not of expected length %d when deserializing FOculusXRUUID"), *Hex, OCULUSXR_UUID_SIZE * 2);
		UUID = FOculusXRUUID();
	}
}

TSharedPtr<FJsonValue> MRUKSerialize(const double& Number)
{
	return MakeShareable(new FJsonValueNumber(Number));
}

void MRUKDeserialize(const FJsonValue& Value, double& Number)
{
	Number = Value.AsNumber();
}

TSharedPtr<FJsonValue> MRUKSerialize(const FOculusXRRoomLayout& RoomLayout)
{
	const TSharedRef<FJsonObject> JsonObject = MakeShareable(new FJsonObject);
	// Note: No need to serialize the list of room object UUIDs since it is just the list of
	// all anchors in the room
	JsonObject->SetField(TEXT("FloorUuid"), MRUKSerialize(RoomLayout.FloorUuid));
	JsonObject->SetField(TEXT("CeilingUuid"), MRUKSerialize(RoomLayout.CeilingUuid));
	JsonObject->SetField(TEXT("WallsUuid"), MRUKSerialize(RoomLayout.WallsUuid));
	return MakeShareable(new FJsonValueObject(JsonObject));
}

void MRUKDeserialize(const FJsonValue& Value, FOculusXRRoomLayout& RoomLayout)
{
	const auto Object = Value.AsObject();
	MRUKDeserialize(*Object->GetField<EJson::None>(TEXT("FloorUuid")), RoomLayout.FloorUuid);
	MRUKDeserialize(*Object->GetField<EJson::None>(TEXT("CeilingUuid")), RoomLayout.CeilingUuid);
	MRUKDeserialize(*Object->GetField<EJson::None>(TEXT("WallsUuid")), RoomLayout.WallsUuid);
}