/**
 * Copyright (c) 2025-2026 Huawei Technologies Co., Ltd.
 * This program is free software, you can redistribute it and/or modify it under the terms and conditions of
 * CANN Open Software License Agreement Version 2.0 (the "License").
 * Please refer to the License for details. You may not use this file except in compliance with the License.
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
 * See LICENSE in the root of the software repository for the full text of the License.
 */

/*!
 * \file test_fmod_operation.cpp
 * \brief
 */

#include "test_operation.h"

using namespace tile_fwk::test_operation;
namespace {
struct FmodOpFuncArgs : public OpFuncArgs {
    FmodOpFuncArgs(const std::vector<int64_t>& viewShape, const std::vector<int64_t> tileShape)
        : viewShape_(viewShape), tileShape_(tileShape)
    {}

    std::vector<int64_t> viewShape_;
    std::vector<int64_t> tileShape_;
};

struct FmodOpMetaData {
    explicit FmodOpMetaData(const OpFunc& opFunc, const nlohmann::json& test_data)
        : opFunc_(opFunc), test_data_(test_data)
    {}

    OpFunc opFunc_;
    nlohmann::json test_data_;
};

static void FmodOperationExeFunc2Dims(
    const std::vector<Tensor>& inputs, std::vector<Tensor>& outputs, const OpFuncArgs* opArgs)
{
    FUNCTION("main", {inputs[0], inputs[1]}, {outputs[0]})
    {
        SymbolicScalar firstDim = inputs[0].GetShape()[0];
        SymbolicScalar secondDim = inputs[0].GetShape()[1];
        auto args = static_cast<const FmodOpFuncArgs*>(opArgs);
        const int firstViewShape = args->viewShape_[0];
        const int secondViewShape = args->viewShape_[1];

        const int bloop = CeilDiv(firstDim, firstViewShape);
        const int sloop = CeilDiv(secondDim, secondViewShape);
        const int broadcastFlag = 1;
        LOOP("LOOP_L0_bIdx", FunctionType::DYNAMIC_LOOP, bIdx, LoopRange(0, bloop, 1))
        {
            LOOP("LOOP_L1_sIdx", FunctionType::DYNAMIC_LOOP, sIdx, LoopRange(0, sloop, 1))
            {
                Tensor tileTensor0;
                Tensor tileTensor1;
                IF(inputs[0].GetShape()[1] != broadcastFlag && inputs[1].GetShape()[1] == broadcastFlag)
                {
                    tileTensor0 = View(
                        inputs[0], {firstViewShape, secondViewShape},
                        {std::min(firstDim - bIdx * firstViewShape, firstViewShape),
                         std::min(secondDim - sIdx * secondViewShape, secondViewShape)},
                        {bIdx * firstViewShape, sIdx * secondViewShape});
                    tileTensor1 = View(
                        inputs[1], {firstViewShape, 1}, {std::min(firstDim - bIdx * firstViewShape, firstViewShape), 1},
                        {bIdx * firstViewShape, 0});
                }
                ELSE IF(inputs[0].GetShape()[0] != broadcastFlag && inputs[1].GetShape()[0] == broadcastFlag)
                {
                    tileTensor0 = View(
                        inputs[0], {firstViewShape, secondViewShape},
                        {std::min(firstDim - bIdx * firstViewShape, firstViewShape),
                         std::min(secondDim - sIdx * secondViewShape, secondViewShape)},
                        {bIdx * firstViewShape, sIdx * secondViewShape});
                    tileTensor1 = View(
                        inputs[1], {1, secondViewShape},
                        {1, std::min(secondDim - sIdx * secondViewShape, secondViewShape)},
                        {0, sIdx * secondViewShape});
                }
                ELSE
                {
                    tileTensor0 = View(
                        inputs[0], {firstViewShape, secondViewShape},
                        {std::min(firstDim - bIdx * firstViewShape, firstViewShape),
                         std::min(secondDim - sIdx * secondViewShape, secondViewShape)},
                        {bIdx * firstViewShape, sIdx * secondViewShape});
                    tileTensor1 = View(
                        inputs[1], {firstViewShape, secondViewShape},
                        {std::min(firstDim - bIdx * firstViewShape, firstViewShape),
                         std::min(secondDim - sIdx * secondViewShape, secondViewShape)},
                        {bIdx * firstViewShape, sIdx * secondViewShape});
                }
                TileShape::Current().SetVecTile(args->tileShape_);
                auto res = Fmod(tileTensor0, tileTensor1);
                Assemble(res, {bIdx * firstViewShape, sIdx * secondViewShape}, outputs[0]);
            }
        }
    }
}

static void FmodOperationExeFunc3Dims(
    const std::vector<Tensor>& inputs, std::vector<Tensor>& outputs, const OpFuncArgs* opArgs)
{
    FUNCTION("main", {inputs[0], inputs[1]}, {outputs[0]})
    {
        SymbolicScalar firstDim = inputs[0].GetShape()[0];
        SymbolicScalar secondDim = inputs[0].GetShape()[1];
        SymbolicScalar thirdDim = inputs[0].GetShape()[2];
        auto args = static_cast<const FmodOpFuncArgs*>(opArgs);
        const int firstViewShape = args->viewShape_[0];
        const int secondViewShape = args->viewShape_[1];
        const int thirdViewShape = args->viewShape_[2];

        const int bloop = CeilDiv(firstDim, firstViewShape);
        const int sloop = CeilDiv(secondDim, secondViewShape);
        const int nloop = CeilDiv(thirdDim, thirdViewShape);

        LOOP("LOOP_L0_bIdx", FunctionType::DYNAMIC_LOOP, bIdx, LoopRange(0, bloop, 1))
        {
            LOOP("LOOP_L1_sIdx", FunctionType::DYNAMIC_LOOP, sIdx, LoopRange(0, sloop, 1))
            {
                LOOP("LOOP_L2_nIdx", FunctionType::DYNAMIC_LOOP, nIdx, LoopRange(0, nloop, 1))
                {
                    auto tileTensor0 = View(
                        inputs[0], {firstViewShape, secondViewShape, thirdViewShape},
                        {std::min(firstDim - bIdx * firstViewShape, firstViewShape),
                         std::min(secondDim - sIdx * secondViewShape, secondViewShape),
                         std::min(thirdDim - nIdx * thirdViewShape, thirdViewShape)},
                        {bIdx * firstViewShape, sIdx * secondViewShape, nIdx * thirdViewShape});
                    auto tileTensor1 = View(
                        inputs[1], {firstViewShape, secondViewShape, thirdViewShape},
                        {std::min(firstDim - bIdx * firstViewShape, firstViewShape),
                         std::min(secondDim - sIdx * secondViewShape, secondViewShape),
                         std::min(thirdDim - nIdx * thirdViewShape, thirdViewShape)},
                        {bIdx * firstViewShape, sIdx * secondViewShape, nIdx * thirdViewShape});
                    TileShape::Current().SetVecTile(args->tileShape_);
                    auto res = Fmod(tileTensor0, tileTensor1);
                    Assemble(res, {bIdx * firstViewShape, sIdx * secondViewShape, nIdx * thirdViewShape}, outputs[0]);
                }
            }
        }
    }
}

static void FmodOperationExeFunc4Dims(
    const std::vector<Tensor>& inputs, std::vector<Tensor>& outputs, const OpFuncArgs* opArgs)
{
    FUNCTION("main", {inputs[0], inputs[1]}, {outputs[0]})
    {
        SymbolicScalar firstDim = inputs[0].GetShape()[0];
        SymbolicScalar secondDim = inputs[0].GetShape()[1];
        SymbolicScalar thirdDim = inputs[0].GetShape()[2];
        SymbolicScalar fourthDim = inputs[0].GetShape()[3];
        auto args = static_cast<const FmodOpFuncArgs*>(opArgs);
        const int firstViewShape = args->viewShape_[0];
        const int secondViewShape = args->viewShape_[1];
        const int thirdViewShape = args->viewShape_[2];
        const int fourthViewShape = args->viewShape_[3];
        const int broadcastFlag = 1;

        const int bloop = CeilDiv(firstDim, firstViewShape);
        const int sloop = CeilDiv(secondDim, secondViewShape);
        const int mloop = CeilDiv(thirdDim, thirdViewShape);
        const int nloop = CeilDiv(fourthDim, fourthViewShape);

        LOOP("LOOP_L0_bIdx", FunctionType::DYNAMIC_LOOP, bIdx, LoopRange(0, bloop, 1))
        {
            LOOP("LOOP_L1_sIdx", FunctionType::DYNAMIC_LOOP, sIdx, LoopRange(0, sloop, 1))
            {
                LOOP("LOOP_L2_mIdx", FunctionType::DYNAMIC_LOOP, mIdx, LoopRange(0, mloop, 1))
                {
                    LOOP("LOOP_L3_nIdx", FunctionType::DYNAMIC_LOOP, nIdx, LoopRange(0, nloop, 1))
                    {
                        Tensor tileTensor0;
                        Tensor tileTensor1;
                        // broadcast dim 2 of the second input tensor
                        IF(inputs[1].GetShape()[2] == broadcastFlag && inputs[0].GetShape()[2] != broadcastFlag)
                        {
                            // case 26 [16, 16, 1, 16] broadcast场景
                            // case 27 [1, 1, 1, 16] broadcast场景
                            tileTensor0 = View(
                                inputs[0], {firstViewShape, secondViewShape, thirdViewShape, fourthViewShape},
                                {std::min(firstDim - bIdx * firstViewShape, firstViewShape),
                                 std::min(secondDim - sIdx * secondViewShape, secondViewShape),
                                 std::min(thirdDim - mIdx * thirdViewShape, thirdViewShape),
                                 std::min(fourthDim - nIdx * fourthViewShape, fourthViewShape)},
                                {bIdx * firstViewShape, sIdx * secondViewShape, mIdx * thirdViewShape,
                                 nIdx * fourthViewShape});
                            tileTensor1 = View(
                                inputs[1], {firstViewShape, secondViewShape, 1, fourthViewShape},
                                {std::min(firstDim - bIdx * firstViewShape, firstViewShape),
                                 std::min(secondDim - sIdx * secondViewShape, secondViewShape), 1,
                                 std::min(fourthDim - nIdx * fourthViewShape, fourthViewShape)},
                                {bIdx * firstViewShape, sIdx * secondViewShape, 0, nIdx * fourthViewShape});
                        }
                        ELSE
                        {
                            tileTensor0 = View(
                                inputs[0], {firstViewShape, secondViewShape, thirdViewShape, fourthViewShape},
                                {std::min(firstDim - bIdx * firstViewShape, firstViewShape),
                                 std::min(secondDim - sIdx * secondViewShape, secondViewShape),
                                 std::min(thirdDim - mIdx * thirdViewShape, thirdViewShape),
                                 std::min(fourthDim - nIdx * fourthViewShape, fourthViewShape)},
                                {bIdx * firstViewShape, sIdx * secondViewShape, mIdx * thirdViewShape,
                                 nIdx * fourthViewShape});
                            tileTensor1 = View(
                                inputs[1], {firstViewShape, secondViewShape, thirdViewShape, fourthViewShape},
                                {std::min(firstDim - bIdx * firstViewShape, firstViewShape),
                                 std::min(secondDim - sIdx * secondViewShape, secondViewShape),
                                 std::min(thirdDim - mIdx * thirdViewShape, thirdViewShape),
                                 std::min(fourthDim - nIdx * fourthViewShape, fourthViewShape)},
                                {bIdx * firstViewShape, sIdx * secondViewShape, mIdx * thirdViewShape,
                                 nIdx * fourthViewShape});
                        }
                        TileShape::Current().SetVecTile(args->tileShape_);
                        auto res = Fmod(tileTensor0, tileTensor1);
                        Assemble(
                            res,
                            {bIdx * firstViewShape, sIdx * secondViewShape, mIdx * thirdViewShape,
                             nIdx * fourthViewShape},
                            outputs[0]);
                    }
                }
            }
        }
    }
}

class FmodOperationTest : public npu::tile_fwk::stest::TestSuite_STest_Ops_Aihac_param<FmodOpMetaData> {};

INSTANTIATE_TEST_SUITE_P(
    TestFmod, FmodOperationTest,
    ::testing::ValuesIn(GetOpMetaData<FmodOpMetaData>(
        {FmodOperationExeFunc2Dims, FmodOperationExeFunc3Dims, FmodOperationExeFunc4Dims}, "Fmod")));

TEST_P(FmodOperationTest, TestFmod)
{
    auto test_data = GetParam().test_data_;
    auto args = FmodOpFuncArgs(GetViewShape(test_data), GetTileShape(test_data));
    auto testCase = CreateTestCaseDesc<FmodOpMetaData>(GetParam(), &args);
    TestExecutor::runTest(testCase);
}
} // namespace