/**
 * Copyright (c) 2025 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.
 */
#include <gtest/gtest.h>
#include "kernel_operator.h"
#include "include/adv_api/matmul/tiling.h"
#include "impl/adv_api/detail/matmul/utils/matmul_param.h"
#include "impl/adv_api/detail/matmul/policy/matmul_policy.h"
#include "impl/adv_api/detail/matmul/policy/matmul_private_modules.h"
#include "impl/adv_api/detail/matmul/resource/bias_buffer/c1_buffer/c1_buffer.h"

using namespace std;
using namespace AscendC;

namespace {
__aicore__ inline constexpr MatmulConfig GetMmConfig()
{
    auto cfg = GetMDLConfig();
    cfg.enableSetBias = false;
    return cfg;
}
constexpr MatmulConfig MM_CFG_NO_BIAS = GetMmConfig();

template <const auto& MM_CFG, typename IMPL, typename A_TYPE, typename B_TYPE, typename C_TYPE, typename BIAS_TYPE>
class CustomMatmulPolicy : public Impl::Detail::MatmulPolicy<MM_CFG, IMPL, A_TYPE, B_TYPE, C_TYPE, BIAS_TYPE> {
public:
    using C1Buffer = Impl::Detail::C1Buffer<IMPL, A_TYPE, BIAS_TYPE, MM_CFG>;
};

template <
    class A_TYPE, class B_TYPE, class C_TYPE, class BIAS_TYPE, const MatmulConfig& MM_CFG, class MM_CB,
    MATMUL_POLICY_DEFAULT_OF(MatmulPolicy)>
class MatmulImpl : MATMUL_IMPORT_MODULE(C1Buffer), MATMUL_IMPORT_MODULE_PRIVATE(MatmulShapeTiling) {
    MATMUL_ALLOW_USING(C1Buffer);
    MATMUL_ALLOW_USING_PRIVATE(MatmulShapeTiling);
    using VAR_PARAMS =
        typename Impl::Detail::MatmulParams<A_TYPE, B_TYPE, C_TYPE, BIAS_TYPE, MM_CFG, GetMatmulMode(MM_CFG)>::PARAMS;

public:
    using C1Buffer::AllocTensor;
    using C1Buffer::DeQue;
    using C1Buffer::Destroy;
    using C1Buffer::EnQue;
    using C1Buffer::FreeTensor;
    using C1Buffer::Init;
    using IMPL = MatmulImpl<A_TYPE, B_TYPE, C_TYPE, BIAS_TYPE, MM_CFG, MM_CB, MATMUL_POLICY>;
    MATMUL_USE_MODULE(MatmulShapeTiling);

public:
    MatmulImpl() { InitVar(); }

    VAR_PARAMS& GetVar() { return var; }

    void InitVar()
    {
        MATMUL_MODULE(MatmulShapeTiling)->SetTiling(&tiling);
        var.tpipe_ = &pipe;
    }

private:
    TCubeTiling tiling;
    TPipe pipe;
    VAR_PARAMS var;
};
} // namespace

class test_matmul_c1_buffer : public testing::Test {
protected:
    void SetUp() {}
    void TearDown() {}

    void RunCase(auto& mm)
    {
        mm.Init(1024); // c1 buffer len is 1024
        auto bias = mm.AllocTensor();
        mm.EnQue(bias);
        bias = mm.DeQue();
        mm.FreeTensor(bias);
        mm.Destroy();
    }

private:
    using A_TYPE = MatmulType<AscendC::TPosition::TSCM, CubeFormat::ND, half>;
    using B_TYPE = MatmulType<AscendC::TPosition::TSCM, CubeFormat::ND, half>;
    using C_TYPE = MatmulType<AscendC::TPosition::GM, CubeFormat::ND, float>;
    using BIAS_TYPE = MatmulType<AscendC::TPosition::GM, CubeFormat::ND, float>;

    MatmulImpl<A_TYPE, B_TYPE, C_TYPE, BIAS_TYPE, CFG_MDL, void, CustomMatmulPolicy> mm1_;
    MatmulImpl<A_TYPE, B_TYPE, C_TYPE, BIAS_TYPE, MM_CFG_NO_BIAS, void, CustomMatmulPolicy> mm2_;
    // MatmulImpl<A_TYPE, B_TYPE, C_TYPE, BIAS_TYPE, CFG_NORM, void> mm1_;
    // MatmulImpl<A_TYPE, B_TYPE, C_TYPE, BIAS_TYPE, MM_CFG_NO_BIAS, void> mm2_;
};

TEST_F(test_matmul_c1_buffer, c1_buffer_width_bias) { RunCase(mm1_); }

TEST_F(test_matmul_c1_buffer, c1_buffer_width_no_bias) { RunCase(mm2_); }