#include "../../operator.h"
#include "../../handle.h"
#include "infiniop/ops/cdist.h"

// 引入各硬件后端的 Descriptor 定义
#ifdef ENABLE_CPU_API
#include "cpu/cdist_cpu.h"
#endif
#if defined(ENABLE_NVIDIA_API) || defined(ENABLE_ILUVATAR_API) || defined(ENABLE_QY_API) || defined(ENABLE_HYGON_API)
#include "nvidia/cdist_nvidia.cuh"
#endif
#ifdef ENABLE_CAMBRICON_API
#include "bang/cdist_bang.h"
#endif
#ifdef ENABLE_ASCEND_API
#include "ascend/cdist_ascend.h"
#endif
#ifdef ENABLE_METAX_API
#include "metax/cdist_metax.h"
#endif
#ifdef ENABLE_MOORE_API
#include "moore/cdist_moore.h"
#endif
#ifdef ENABLE_KUNLUN_API
#include "kunlun/cdist_kunlun.h"
#endif

// -----------------------------------------------------------------------------
// 1. 创建描述符
// -----------------------------------------------------------------------------
__INFINI_C infiniStatus_t infiniopCreateCdistDescriptor(
    infiniopHandle_t handle,
    infiniopCdistDescriptor_t *desc_ptr,
    infiniopTensorDescriptor_t y_desc,
    infiniopTensorDescriptor_t x1_desc,
    infiniopTensorDescriptor_t x2_desc,
    double p) {

#define CREATE(CASE, NAMESPACE)                                                                                          \
    case CASE:                                                                                                           \
        return op::cdist::NAMESPACE::Descriptor::create(handle,                                                          \
                                                        reinterpret_cast<op::cdist::NAMESPACE::Descriptor **>(desc_ptr), \
                                                        y_desc, x1_desc, x2_desc, p)

    switch (handle->device) {
#ifdef ENABLE_CPU_API
        CREATE(INFINI_DEVICE_CPU, cpu);
#endif
#ifdef ENABLE_NVIDIA_API
        CREATE(INFINI_DEVICE_NVIDIA, nvidia);
#endif
#ifdef ENABLE_ILUVATAR_API
        CREATE(INFINI_DEVICE_ILUVATAR, nvidia);
#endif
#ifdef ENABLE_QY_API
        CREATE(INFINI_DEVICE_QY, nvidia);
#endif
#ifdef ENABLE_HYGON_API
        CREATE(INFINI_DEVICE_HYGON, nvidia);
#endif
#ifdef ENABLE_CAMBRICON_API
        CREATE(INFINI_DEVICE_CAMBRICON, bang);
#endif
#ifdef ENABLE_ASCEND_API
        CREATE(INFINI_DEVICE_ASCEND, ascend);
#endif
#ifdef ENABLE_METAX_API
        CREATE(INFINI_DEVICE_METAX, metax);
#endif
#ifdef ENABLE_MOORE_API
        CREATE(INFINI_DEVICE_MOORE, moore);
#endif
#ifdef ENABLE_KUNLUN_API
        CREATE(INFINI_DEVICE_KUNLUN, kunlun);
#endif
    default:
        return INFINI_STATUS_DEVICE_TYPE_NOT_SUPPORTED;
    }
#undef CREATE
}

// -----------------------------------------------------------------------------
// 2. 获取 Workspace 大小
// -----------------------------------------------------------------------------
__INFINI_C infiniStatus_t infiniopGetCdistWorkspaceSize(
    infiniopCdistDescriptor_t desc,
    size_t *size) {

#define GET(CASE, NAMESPACE)                                                                       \
    case CASE:                                                                                     \
        *size = reinterpret_cast<const op::cdist::NAMESPACE::Descriptor *>(desc)->workspaceSize(); \
        return INFINI_STATUS_SUCCESS

    switch (desc->device_type) {
#ifdef ENABLE_CPU_API
        GET(INFINI_DEVICE_CPU, cpu);
#endif
#ifdef ENABLE_NVIDIA_API
        GET(INFINI_DEVICE_NVIDIA, nvidia);
#endif
#ifdef ENABLE_ILUVATAR_API
        GET(INFINI_DEVICE_ILUVATAR, nvidia);
#endif
#ifdef ENABLE_QY_API
        GET(INFINI_DEVICE_QY, nvidia);
#endif
#ifdef ENABLE_HYGON_API
        GET(INFINI_DEVICE_HYGON, nvidia);
#endif
#ifdef ENABLE_CAMBRICON_API
        GET(INFINI_DEVICE_CAMBRICON, bang);
#endif
#ifdef ENABLE_ASCEND_API
        GET(INFINI_DEVICE_ASCEND, ascend);
#endif
#ifdef ENABLE_METAX_API
        GET(INFINI_DEVICE_METAX, metax);
#endif
#ifdef ENABLE_MOORE_API
        GET(INFINI_DEVICE_MOORE, moore);
#endif
#ifdef ENABLE_KUNLUN_API
        GET(INFINI_DEVICE_KUNLUN, kunlun);
#endif
    default:
        return INFINI_STATUS_DEVICE_TYPE_NOT_SUPPORTED;
    }
#undef GET
}

// -----------------------------------------------------------------------------
// 3. 执行计算 (计算成对距离)
// -----------------------------------------------------------------------------
__INFINI_C infiniStatus_t infiniopCdist(
    infiniopCdistDescriptor_t desc,
    void *workspace, size_t workspace_size,
    void *y,
    const void *x1,
    const void *x2,
    void *stream) {

#define CALCULATE(CASE, NAMESPACE)                                              \
    case CASE:                                                                  \
        return reinterpret_cast<const op::cdist::NAMESPACE::Descriptor *>(desc) \
            ->calculate(workspace, workspace_size, y, x1, x2, stream)

    switch (desc->device_type) {
#ifdef ENABLE_CPU_API
        CALCULATE(INFINI_DEVICE_CPU, cpu);
#endif
#ifdef ENABLE_NVIDIA_API
        CALCULATE(INFINI_DEVICE_NVIDIA, nvidia);
#endif
#ifdef ENABLE_ILUVATAR_API
        CALCULATE(INFINI_DEVICE_ILUVATAR, nvidia);
#endif
#ifdef ENABLE_QY_API
        CALCULATE(INFINI_DEVICE_QY, nvidia);
#endif
#ifdef ENABLE_HYGON_API
        CALCULATE(INFINI_DEVICE_HYGON, nvidia);
#endif
#ifdef ENABLE_CAMBRICON_API
        CALCULATE(INFINI_DEVICE_CAMBRICON, bang);
#endif
#ifdef ENABLE_ASCEND_API
        CALCULATE(INFINI_DEVICE_ASCEND, ascend);
#endif
#ifdef ENABLE_METAX_API
        CALCULATE(INFINI_DEVICE_METAX, metax);
#endif
#ifdef ENABLE_MOORE_API
        CALCULATE(INFINI_DEVICE_MOORE, moore);
#endif
#ifdef ENABLE_KUNLUN_API
        CALCULATE(INFINI_DEVICE_KUNLUN, kunlun);
#endif
    default:
        return INFINI_STATUS_DEVICE_TYPE_NOT_SUPPORTED;
    }
#undef CALCULATE
}

// -----------------------------------------------------------------------------
// 4. 销毁描述符
// -----------------------------------------------------------------------------
__INFINI_C infiniStatus_t infiniopDestroyCdistDescriptor(infiniopCdistDescriptor_t desc) {

#define DELETE(CASE, NAMESPACE)                                                  \
    case CASE:                                                                   \
        delete reinterpret_cast<const op::cdist::NAMESPACE::Descriptor *>(desc); \
        return INFINI_STATUS_SUCCESS;

    switch (desc->device_type) {
#ifdef ENABLE_CPU_API
        DELETE(INFINI_DEVICE_CPU, cpu);
#endif
#ifdef ENABLE_NVIDIA_API
        DELETE(INFINI_DEVICE_NVIDIA, nvidia);
#endif
#ifdef ENABLE_ILUVATAR_API
        DELETE(INFINI_DEVICE_ILUVATAR, nvidia);
#endif
#ifdef ENABLE_QY_API
        DELETE(INFINI_DEVICE_QY, nvidia);
#endif
#ifdef ENABLE_HYGON_API
        DELETE(INFINI_DEVICE_HYGON, nvidia);
#endif
#ifdef ENABLE_CAMBRICON_API
        DELETE(INFINI_DEVICE_CAMBRICON, bang);
#endif
#ifdef ENABLE_ASCEND_API
        DELETE(INFINI_DEVICE_ASCEND, ascend);
#endif
#ifdef ENABLE_METAX_API
        DELETE(INFINI_DEVICE_METAX, metax);
#endif
#ifdef ENABLE_MOORE_API
        DELETE(INFINI_DEVICE_MOORE, moore);
#endif
#ifdef ENABLE_KUNLUN_API
        DELETE(INFINI_DEVICE_KUNLUN, kunlun);
#endif
    default:
        return INFINI_STATUS_DEVICE_TYPE_NOT_SUPPORTED;
    }
#undef DELETE
}
