#ifndef DEVICE_REDUCE_INSTANCE_THREADWISE_HPP
#define DEVICE_REDUCE_INSTANCE_THREADWISE_HPP

#include "reduction_operator_mapping.hpp"
#include "device_reduce_instance_impl_common.hpp"
#include "device_reduce_threadwise.hpp"

namespace ck {
namespace tensor_operation {
namespace device {
namespace device_reduce_instance {

#ifdef QUICK_REDUCE_TEST
using reduce_configuration_2_instances_threadwise = std::tuple<
    // clang-format off
    // InSrcVectorDim | InSrcVectorSize | OutDstVectorSize | MThreadSliceSize | KThreadSliceSize
    ReductionConfiguration_2<0, 2, 2, 2, 1>,
    ReductionConfiguration_2<0, 1, 1, 2, 1>,
    ReductionConfiguration_2<1, 2, 1, 1, 2>,
    ReductionConfiguration_2<0, 1, 1, 3, 1>,
    ReductionConfiguration_2<1, 1, 1, 1, 3>
    // clang-format on
    >;
#else
using reduce_configuration_2_instances_threadwise = std::tuple<
    // clang-format off
    // InSrcVectorDim | InSrcVectorSize | OutDstVectorSize | MThreadSliceSize | KThreadSliceSize
    ReductionConfiguration_2<0, 4, 4, 8, 1>,
    ReductionConfiguration_2<0, 4, 4, 4, 1>,
    ReductionConfiguration_2<0, 2, 2, 2, 1>,

    ReductionConfiguration_2<1, 4, 1, 1, 8>,
    ReductionConfiguration_2<1, 4, 1, 1, 4>,
    ReductionConfiguration_2<1, 2, 1, 1, 2>,

    // special instances
    ReductionConfiguration_2<0, 1, 1, 3, 1>,
    ReductionConfiguration_2<0, 1, 1, 5, 1>,
    ReductionConfiguration_2<0, 1, 1, 7, 1>,
    ReductionConfiguration_2<0, 1, 1, 11, 1>,

    ReductionConfiguration_2<1, 1, 1, 1, 3>,
    ReductionConfiguration_2<1, 1, 1, 1, 5>,
    ReductionConfiguration_2<1, 1, 1, 1, 7>,
    ReductionConfiguration_2<1, 1, 1, 1, 11>
    // clang-format on
    >;
#endif

template <typename AccDataType, ReduceTensorOp_t ReduceOpId>
using deviceReduceThreadWisePtrType = DeviceReducePtr<
    typename reduce_unary_operator<AccDataType, ReduceOpId, true, true>::InElementwiseOperation,
    typename reduce_unary_operator<AccDataType, ReduceOpId, true, true>::AccElementwiseOperation>;

template <typename InDataType,
          typename AccDataType,
          typename OutDataType,
          int Rank,
          int NumReduceDim,
          ReduceTensorOp_t ReduceOpId,
          NanPropagation_t NanOpt,
          ReduceTensorIndices_t IndicesOpt>
void add_device_reduce_instance_threadwise(
    std::vector<deviceReduceThreadWisePtrType<AccDataType, ReduceOpId>>& device_op_instances)
{
    using ReduceOperation = typename reduce_binary_operator<AccDataType, ReduceOpId>::opType;
    using InElementwiseOperation =
        typename reduce_unary_operator<AccDataType, ReduceOpId, true, true>::InElementwiseOperation;
    using AccElementwiseOperation =
        typename reduce_unary_operator<AccDataType, ReduceOpId, true, true>::
            AccElementwiseOperation;

    constexpr bool Indexable =
        (ReduceOpId == ReduceTensorOp_t::MIN || ReduceOpId == ReduceTensorOp_t::MAX ||
         ReduceOpId == ReduceTensorOp_t::AMAX);
    constexpr bool NeedIndices = Indexable && (IndicesOpt != ReduceTensorIndices_t::NO_INDICES);

    constexpr bool PropagateNan = (NanOpt == NanPropagation_t::NOT_PROPAGATE_NAN) ? false : true;

    using cfg1 = ReductionConfiguration_1<256, 256, 1>;

    static_for<0, std::tuple_size<reduce_configuration_2_instances_threadwise>::value, 1>{}(
        [&](auto j) {
            using cfg2 = remove_cvref_t<decltype(
                std::get<j.value>(reduce_configuration_2_instances_threadwise{}))>;

            using ReduceOpInstance = DeviceReduceThreadWise<InDataType,
                                                            AccDataType,
                                                            OutDataType,
                                                            Rank,
                                                            NumReduceDim,
                                                            ReduceOperation,
                                                            InElementwiseOperation,
                                                            AccElementwiseOperation,
                                                            PropagateNan,
                                                            NeedIndices,
                                                            cfg1::BlockSize_,
                                                            cfg1::MThreadClusterSize_,
                                                            cfg1::KThreadClusterSize_,
                                                            cfg2::MThreadSliceSize_,
                                                            cfg2::KThreadSliceSize_,
                                                            cfg2::InSrcVectorDim_,
                                                            cfg2::InSrcVectorSize_,
                                                            cfg2::OutDstVectorSize_>;

            device_op_instances.push_back(std::make_unique<ReduceOpInstance>(ReduceOpInstance{}));
        });
};

#define ADD_THREADWISE_INST_BY_TYPE(                                      \
    inT, compT, outT, ReduceOpId, NanOpt, IndicesOpt, Rank, NumReduceDim) \
    template void add_device_reduce_instance_threadwise<inT,              \
                                                        compT,            \
                                                        outT,             \
                                                        Rank,             \
                                                        NumReduceDim,     \
                                                        ReduceOpId,       \
                                                        NanOpt,           \
                                                        IndicesOpt>(      \
        std::vector<deviceReduceThreadWisePtrType<compT, ReduceOpId>> & device_op_instances)

#define ADD_THREADWISE_INST_BY_ID(                                              \
    inT, compT, outT, ReduceOpId, NanOpt, IndicesOpt, Rank, NumReduceDim)       \
    ADD_THREADWISE_INST_BY_TYPE(inT,                                            \
                                compT,                                          \
                                outT,                                           \
                                static_cast<ReduceTensorOp_t>(ReduceOpId),      \
                                static_cast<NanPropagation_t>(NanOpt),          \
                                static_cast<ReduceTensorIndices_t>(IndicesOpt), \
                                Rank,                                           \
                                NumReduceDim)

#define ADD_THREADWISE_INST_REF_BY_TYPE(                                                           \
    inT, compT, outT, ReduceOpId, NanOpt, IndicesOpt, Rank, NumReduceDim)                          \
    extern template void add_device_reduce_instance_threadwise<inT,                                \
                                                               compT,                              \
                                                               outT,                               \
                                                               Rank,                               \
                                                               NumReduceDim,                       \
                                                               ReduceOpId,                         \
                                                               NanOpt,                             \
                                                               IndicesOpt>(                        \
        std::vector<DeviceReducePtr<                                                               \
            typename reduce_unary_operator<compT, ReduceOpId, true, true>::InElementwiseOperation, \
            typename reduce_unary_operator<compT, ReduceOpId, true, true>::                        \
                AccElementwiseOperation>> &                                                        \
        device_op_instances)

#define ADD_THREADWISE_INST_REF_BY_ID(                                              \
    inT, compT, outT, ReduceOpId, NanOpt, IndicesOpt, Rank, NumReduceDim)           \
    ADD_THREADWISE_INST_REF_BY_TYPE(inT,                                            \
                                    compT,                                          \
                                    outT,                                           \
                                    static_cast<ReduceTensorOp_t>(ReduceOpId),      \
                                    static_cast<NanPropagation_t>(NanOpt),          \
                                    static_cast<ReduceTensorIndices_t>(IndicesOpt), \
                                    Rank,                                           \
                                    NumReduceDim)

} // namespace device_reduce_instance
} // namespace device
} // namespace tensor_operation

} // namespace ck

#endif
