//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#pragma once

#include <armnn/TensorFwd.hpp>
#include <armnn/Optional.hpp>
#include <armnn/backends/ITensorHandle.hpp>

#include <backendsCommon/Workload.hpp>

#include <memory>

namespace armnn
{

class Layer;

// Workload factory interface for compute backends.
class IWorkloadFactory
{
public:
    virtual ~IWorkloadFactory() { }

    virtual const BackendId& GetBackendId() const = 0;

    static bool IsLayerSupported(const BackendId& backendId,
                                 const IConnectableLayer& layer,
                                 Optional<DataType> dataType,
                                 std::string& outReasonIfUnsupported);

    static bool IsLayerSupported(const IConnectableLayer& layer,
                                 Optional<DataType> dataType,
                                 std::string& outReasonIfUnsupported);

    static bool IsLayerSupported(const IConnectableLayer& layer,
                                 Optional<DataType> dataType,
                                 std::string& outReasonIfUnsupported,
                                 const ModelOptions& modelOptions);

    static bool IsLayerSupported(const BackendId& backendId,
                                 const IConnectableLayer& layer,
                                 Optional<DataType> dataType,
                                 std::string& outReasonIfUnsupported,
                                 const ModelOptions& modelOptions);

    virtual bool SupportsSubTensors() const = 0;

    ARMNN_DEPRECATED_MSG("Use ITensorHandleFactory::CreateSubTensorHandle instead")
    virtual std::unique_ptr<ITensorHandle> CreateSubTensorHandle(ITensorHandle& parent,
                                                                 TensorShape const& subTensorShape,
                                                                 unsigned int const* subTensorOrigin
                                                                ) const = 0;

    virtual std::unique_ptr<IWorkload> CreateInput(const InputQueueDescriptor& descriptor,
                                                   const WorkloadInfo& info) const = 0;

    ARMNN_DEPRECATED_MSG("Use ITensorHandleFactory::CreateTensorHandle instead")
    virtual std::unique_ptr<ITensorHandle> CreateTensorHandle(const TensorInfo& tensorInfo,
                                                              const bool IsMemoryManaged = true) const = 0;

    ARMNN_DEPRECATED_MSG("Use ITensorHandleFactory::CreateTensorHandle instead")
    virtual std::unique_ptr<ITensorHandle> CreateTensorHandle(const TensorInfo& tensorInfo,
                                                              DataLayout dataLayout,
                                                              const bool IsMemoryManaged = true) const = 0;

    ARMNN_DEPRECATED_MSG("Use CreateElementwiseUnary instead")
    virtual std::unique_ptr<IWorkload> CreateAbs(const AbsQueueDescriptor& descriptor,
                                                 const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateActivation(const ActivationQueueDescriptor& descriptor,
                                                        const WorkloadInfo&              info) const;

    virtual std::unique_ptr<IWorkload> CreateAddition(const AdditionQueueDescriptor& descriptor,
                                                      const WorkloadInfo&            info) const;

    virtual std::unique_ptr<IWorkload> CreateArgMinMax(const ArgMinMaxQueueDescriptor& descriptor,
                                                       const WorkloadInfo&            info) const;

    virtual std::unique_ptr<IWorkload> CreateBatchNormalization(const BatchNormalizationQueueDescriptor& descriptor,
                                                                const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateBatchToSpaceNd(const BatchToSpaceNdQueueDescriptor& descriptor,
                                                            const WorkloadInfo& Info) const;

    virtual std::unique_ptr<IWorkload> CreateComparison(const ComparisonQueueDescriptor& descriptor,
                                                        const WorkloadInfo& Info) const;

    virtual std::unique_ptr<IWorkload> CreateConcat(const ConcatQueueDescriptor& descriptor,
                                                    const WorkloadInfo&          info) const;

    virtual std::unique_ptr<IWorkload> CreateConstant(const ConstantQueueDescriptor& descriptor,
                                                      const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateConvertBf16ToFp32(const ConvertBf16ToFp32QueueDescriptor& descriptor,
                                                               const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateConvertFp16ToFp32(const ConvertFp16ToFp32QueueDescriptor& descriptor,
                                                               const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateConvertFp32ToBf16(const ConvertFp32ToBf16QueueDescriptor& descriptor,
                                                               const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateConvertFp32ToFp16(const ConvertFp32ToFp16QueueDescriptor& descriptor,
                                                               const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateConvolution2d(const Convolution2dQueueDescriptor& descriptor,
                                                           const WorkloadInfo&               info) const;

    virtual std::unique_ptr<IWorkload> CreateDebug(const DebugQueueDescriptor& descriptor,
                                                   const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateDepthToSpace(const DepthToSpaceQueueDescriptor& descriptor,
                                                          const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateDepthwiseConvolution2d(
        const DepthwiseConvolution2dQueueDescriptor& descriptor, const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateDequantize(const DequantizeQueueDescriptor& descriptor,
                                                        const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateDetectionPostProcess(
        const DetectionPostProcessQueueDescriptor& descriptor, const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateDivision(const DivisionQueueDescriptor& descriptor,
                                                      const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateElementwiseUnary(const ElementwiseUnaryQueueDescriptor& descriptor,
                                                              const WorkloadInfo& Info) const;

    ARMNN_DEPRECATED_MSG("Use CreateComparison instead")
    virtual std::unique_ptr<IWorkload> CreateEqual(const EqualQueueDescriptor& descriptor,
                                                   const WorkloadInfo& Info) const;

    virtual std::unique_ptr<IWorkload> CreateFakeQuantization(const FakeQuantizationQueueDescriptor& descriptor,
                                                              const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateFill(const FillQueueDescriptor& descriptor,
                                                  const WorkloadInfo&        info) const;

    virtual std::unique_ptr<IWorkload> CreateFloor(const FloorQueueDescriptor& descriptor,
                                                   const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateFullyConnected(const FullyConnectedQueueDescriptor& descriptor,
                                                            const WorkloadInfo&                  info) const;

    virtual std::unique_ptr<IWorkload> CreateGather(const GatherQueueDescriptor& descriptor,
                                                    const WorkloadInfo& info) const;

    ARMNN_DEPRECATED_MSG("Use CreateComparison instead")
    virtual std::unique_ptr<IWorkload> CreateGreater(const GreaterQueueDescriptor& descriptor,
                                                     const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateInstanceNormalization(
        const InstanceNormalizationQueueDescriptor& descriptor,
        const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateL2Normalization(const L2NormalizationQueueDescriptor& descriptor,
                                                             const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateLogSoftmax(const LogSoftmaxQueueDescriptor& descriptor,
                                                        const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateLstm(const LstmQueueDescriptor& descriptor,
                                                  const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateMaximum(const MaximumQueueDescriptor& descriptor,
                                                     const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateMean(const MeanQueueDescriptor& descriptor,
                                                  const WorkloadInfo& Info) const;

    virtual std::unique_ptr<IWorkload> CreateMemCopy(const MemCopyQueueDescriptor& descriptor,
                                                     const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateMemImport(const MemImportQueueDescriptor& descriptor,
                                                       const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateMerge(const MergeQueueDescriptor& descriptor,
                                                    const WorkloadInfo& info) const;

    ARMNN_DEPRECATED_MSG("Use CreateConcat instead")
    virtual std::unique_ptr<IWorkload> CreateMerger(const MergerQueueDescriptor& descriptor,
                                                    const WorkloadInfo&          info) const;

    virtual std::unique_ptr<IWorkload> CreateMinimum(const MinimumQueueDescriptor& descriptor,
                                                     const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateMultiplication(const MultiplicationQueueDescriptor& descriptor,
                                                            const WorkloadInfo&                  info) const;

    virtual std::unique_ptr<IWorkload> CreateNormalization(const NormalizationQueueDescriptor& descriptor,
                                                           const WorkloadInfo&                 info) const;

    virtual std::unique_ptr<IWorkload> CreateOutput(const OutputQueueDescriptor& descriptor,
                                                    const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreatePad(const PadQueueDescriptor& descriptor,
                                                 const WorkloadInfo& Info) const;

    virtual std::unique_ptr<IWorkload> CreatePermute(const PermuteQueueDescriptor& descriptor,
                                                     const WorkloadInfo&           info) const;

    virtual std::unique_ptr<IWorkload> CreatePooling2d(const Pooling2dQueueDescriptor& descriptor,
                                                       const WorkloadInfo&           info) const;

    virtual std::unique_ptr<IWorkload> CreatePreCompiled(const PreCompiledQueueDescriptor& descriptor,
                                                         const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreatePrelu(const PreluQueueDescriptor& descriptor,
                                                   const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateQuantize(const QuantizeQueueDescriptor& descriptor,
                                                      const WorkloadInfo& Info) const;

    virtual std::unique_ptr<IWorkload> CreateQLstm(const QLstmQueueDescriptor& descriptor,
                                                   const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateQuantizedLstm(const QuantizedLstmQueueDescriptor& descriptor,
                                                           const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateRank(const RankQueueDescriptor& descriptor,
                                                  const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateReshape(const ReshapeQueueDescriptor& descriptor,
                                                     const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateResize(const ResizeQueueDescriptor& descriptor,
                                                    const WorkloadInfo& info) const;

    ARMNN_DEPRECATED_MSG("Use CreateResize instead")
    virtual std::unique_ptr<IWorkload> CreateResizeBilinear(const ResizeBilinearQueueDescriptor& descriptor,
                                                            const WorkloadInfo& info) const;

    ARMNN_DEPRECATED_MSG("Use CreateElementwiseUnary instead")
    virtual std::unique_ptr<IWorkload> CreateRsqrt(const RsqrtQueueDescriptor& descriptor,
                                                   const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateSlice(const SliceQueueDescriptor& descriptor,
                                                   const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateSoftmax(const SoftmaxQueueDescriptor& descriptor,
                                                     const WorkloadInfo&           info) const;

    virtual std::unique_ptr<IWorkload> CreateSpaceToBatchNd(const SpaceToBatchNdQueueDescriptor& descriptor,
                                                            const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateSpaceToDepth(const SpaceToDepthQueueDescriptor& descriptor,
                                                          const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateSubtraction(const SubtractionQueueDescriptor& descriptor,
                                                         const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateSplitter(const SplitterQueueDescriptor& descriptor,
                                                      const WorkloadInfo&            info) const;

    virtual std::unique_ptr<IWorkload> CreateStack(const StackQueueDescriptor& descriptor,
                                                   const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateStridedSlice(const StridedSliceQueueDescriptor& descriptor,
                                                          const WorkloadInfo& Info) const;

    virtual std::unique_ptr<IWorkload> CreateSwitch(const SwitchQueueDescriptor& descriptor,
                                                    const WorkloadInfo& Info) const;

    virtual std::unique_ptr<IWorkload> CreateTranspose(const TransposeQueueDescriptor& descriptor,
                                                       const WorkloadInfo& info) const;

    virtual std::unique_ptr<IWorkload> CreateTransposeConvolution2d(
        const TransposeConvolution2dQueueDescriptor& descriptor,
        const WorkloadInfo& info) const;

private:
    static bool IsLayerConfigurationSupported(const BackendId& backendId,
                                       const IConnectableLayer& connectableLayer,
                                       Optional<DataType> dataType,
                                       std::string& outReasonIfUnsupported,
                                       const ModelOptions& modelOptions = {});
};

} // namespace armnn