// slang-artifact-helper.cpp
#include "slang-artifact-helper.h"

#include "slang-artifact-impl.h"
#include "slang-artifact-representation-impl.h"

#include "slang-artifact-desc-util.h"
#include "slang-artifact-util.h"

#include "../compiler-core/slang-slice-allocator.h"

#include "../core/slang-castable.h"

#include "../core/slang-file-system.h"
#include "../core/slang-io.h"
#include "../core/slang-shared-library.h"

namespace Slang {

/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!! DefaultArtifactHelper !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */

/* static */DefaultArtifactHelper DefaultArtifactHelper::g_singleton;

SlangResult DefaultArtifactHelper::queryInterface(SlangUUID const& uuid, void** outObject)
{
	if (auto intf = getInterface(uuid))
	{
		*outObject = intf;
		return SLANG_OK;
	}
	return SLANG_E_NO_INTERFACE;
}

void* DefaultArtifactHelper::castAs(const Guid& guid)
{
	if (auto ptr = getInterface(guid))
	{
		return ptr;
	}
	return getObject(guid);
}

void* DefaultArtifactHelper::getInterface(const Guid& guid)
{
	if (guid == ISlangUnknown::getTypeGuid() || 
		guid == IArtifactHelper::getTypeGuid())
	{
		return static_cast<IArtifactHelper*>(this);
	}
	return nullptr;
}

void* DefaultArtifactHelper::getObject(const Guid& guid)
{
	SLANG_UNUSED(guid);
	return nullptr;
}

SlangResult DefaultArtifactHelper::createArtifact(const ArtifactDesc& desc, const char* inName, IArtifact** outArtifact)
{
	*outArtifact = inName ?
		Artifact::create(desc, UnownedStringSlice(inName)).detach() : 
		Artifact::create(desc).detach();

	return SLANG_OK;
}

ArtifactKind DefaultArtifactHelper::getKindParent(ArtifactKind kind) { return getParent(kind); }
UnownedStringSlice DefaultArtifactHelper::getKindName(ArtifactKind kind) { return getName(kind); }
bool DefaultArtifactHelper::isKindDerivedFrom(ArtifactKind kind, ArtifactKind base) { return isDerivedFrom(kind, base); }

ArtifactPayload DefaultArtifactHelper::getPayloadParent(ArtifactPayload payload) { return getParent(payload); }
UnownedStringSlice DefaultArtifactHelper::getPayloadName(ArtifactPayload payload) { return getName(payload); }
bool DefaultArtifactHelper::isPayloadDerivedFrom(ArtifactPayload payload, ArtifactPayload base) { return isDerivedFrom(payload, base); }

ArtifactStyle DefaultArtifactHelper::getStyleParent(ArtifactStyle style) { return getParent(style); }
UnownedStringSlice DefaultArtifactHelper::getStyleName(ArtifactStyle style) { return getName(style); }
bool DefaultArtifactHelper::isStyleDerivedFrom(ArtifactStyle style, ArtifactStyle base) { return isDerivedFrom(style, base); }

SlangResult DefaultArtifactHelper::createLockFile(const CharSlice& inNameBase, IOSFileArtifactRepresentation** outLockFile)
{
	const UnownedStringSlice nameBase = inNameBase.count ? asStringSlice(inNameBase) : UnownedStringSlice("unknown");
	String lockPath;
	SLANG_RETURN_ON_FAIL(File::generateTemporary(nameBase, lockPath));
	*outLockFile = OSFileArtifactRepresentation::create(IOSFileArtifactRepresentation::Kind::Lock, lockPath.getUnownedSlice(), nullptr).detach();
	return SLANG_OK;
}

SlangResult DefaultArtifactHelper::calcArtifactDescPath(const ArtifactDesc& desc, const char* inBasePath, ISlangBlob** outPath)
{
	UnownedStringSlice basePath(inBasePath);
	StringBuilder path;
	SLANG_RETURN_ON_FAIL(ArtifactDescUtil::calcPathForDesc(desc, basePath, path));
	*outPath = StringBlob::moveCreate(path).detach();
	return SLANG_OK;
}

SlangResult DefaultArtifactHelper::calcArtifactPath(IArtifact* artifact, const char* inBasePath, ISlangBlob** outPath)
{
	UnownedStringSlice basePath(inBasePath);
	StringBuilder path;
	SLANG_RETURN_ON_FAIL(ArtifactUtil::calcPath(artifact, basePath, path));
	*outPath = StringBlob::moveCreate(path).detach();
	return SLANG_OK;
}

ArtifactDesc DefaultArtifactHelper::makeDescForCompileTarget(SlangCompileTarget target)
{
	return ArtifactDescUtil::makeDescForCompileTarget(target);
}

void DefaultArtifactHelper::getCastable(ISlangUnknown* unk, ICastable** outCastable)
{
	*outCastable = CastableUtil::getCastable(unk).detach();
}

SlangResult DefaultArtifactHelper::createOSFileArtifactRepresentation(
	IOSFileArtifactRepresentation::Kind kind, const CharSlice& path, IOSFileArtifactRepresentation* lockFile, IOSFileArtifactRepresentation** outRep)
{
	*outRep = OSFileArtifactRepresentation::create(kind, asStringSlice(path), lockFile).detach();
	return SLANG_OK;
}

SlangResult DefaultArtifactHelper::createExtFileArtifactRepresentation(const CharSlice& path, ISlangFileSystemExt* system, IExtFileArtifactRepresentation** outRep)
{
	*outRep = ExtFileArtifactRepresentation::create(asStringSlice(path), system).detach();
	return SLANG_OK;
}

SlangResult DefaultArtifactHelper::createOSFileArtifact(const ArtifactDesc& desc, const CharSlice& path, IArtifact** outArtifact)
{
	auto artifact = Artifact::create(desc);

	auto fileRep = new OSFileArtifactRepresentation(IOSFileArtifactRepresentation::Kind::Reference, asStringSlice(path), nullptr);
	artifact->addRepresentation(fileRep);
	
	*outArtifact = artifact.detach();
	return SLANG_OK;
}

} // namespace Slang