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#include <utility>

#include "lstm.hpp"
#include "get_handle.hpp"
#include <gtest/gtest_common.hpp>
#include <gtest/gtest.h>
#include "gtest_common.hpp"

namespace deepbench_lstm {

void GetArgs(const std::string& param, std::vector<std::string>& tokens)
{
    std::stringstream ss(param);
    std::istream_iterator<std::string> begin(ss);
    std::istream_iterator<std::string> end;
    while(begin != end)
        tokens.push_back(*begin++);
}

auto GetTestCases(std::string precision)
{
    std::string flags = "test_lstm --verbose " + precision;
    std::string commonFlags =
        " --num-layers 1 --in-mode 1 --bias-mode 0 -dir-mode 0 --rnn-mode 0 --flat-batch-fill";

    // clang-format off
    return std::vector<std::string>{
        {flags + " --batch-size 16 --seq-len 25 --vector-len 512 --hidden-size 512" + commonFlags},
        {flags + " --batch-size 32 --seq-len 25 --vector-len 512 --hidden-size 512" + commonFlags},
        {flags + " --batch-size 64 --seq-len 25 --vector-len 512 --hidden-size 512" + commonFlags},
        {flags + " --batch-size 128 --seq-len 25 --vector-len 512 --hidden-size 512" + commonFlags},
        {flags + " --batch-size 16 --seq-len 25 --vector-len 1024 --hidden-size 1024" + commonFlags},
        {flags + " --batch-size 32 --seq-len 25 --vector-len 1024 --hidden-size 1024" + commonFlags},
        {flags + " --batch-size 64 --seq-len 25 --vector-len 1024 --hidden-size 1024" + commonFlags},
        {flags + " --batch-size 128 --seq-len 25 --vector-len 1024 --hidden-size 1024" + commonFlags},
        {flags + " --batch-size 16 --seq-len 25 --vector-len 2048 --hidden-size 2048" + commonFlags},
        {flags + " --batch-size 32 --seq-len 25 --vector-len 2048 --hidden-size 2048" + commonFlags},
        {flags + " --batch-size 64 --seq-len 25 --vector-len 2048 --hidden-size 2048" + commonFlags},
        {flags + " --batch-size 128 --seq-len 25 --vector-len 2048 --hidden-size 2048" + commonFlags},
        {flags + " --batch-size 16 --seq-len 25 --vector-len 4096 --hidden-size 4096" + commonFlags},
        {flags + " --batch-size 32 --seq-len 25 --vector-len 4096 --hidden-size 4096" + commonFlags},
        {flags + " --batch-size 64 --seq-len 25 --vector-len 4096 --hidden-size 4096" + commonFlags},
        {flags + " --batch-size 128 --seq-len 25 --vector-len 4096 --hidden-size 4096" + commonFlags},
        {flags + " --batch-size 8 --seq-len 50 --vector-len 1536 --hidden-size 1536" + commonFlags},
        {flags + " --batch-size 16 --seq-len 50 --vector-len 1536 --hidden-size 1536" + commonFlags},
        {flags + " --batch-size 32 --seq-len 50 --vector-len 1536 --hidden-size 1536" + commonFlags},
        {flags + " --batch-size 16 --seq-len 150 --vector-len 256 --hidden-size 256" + commonFlags},
        {flags + " --batch-size 32 --seq-len 150 --vector-len 256 --hidden-size 256" + commonFlags},
        {flags + " --batch-size 64 --seq-len 150 --vector-len 256 --hidden-size 256" + commonFlags}
    };
    // clang-format on
}

using TestCase = decltype(GetTestCases({}))::value_type;

class GPU_DeepBench_lstm_FP32 : public testing::TestWithParam<std::vector<TestCase>>
{
    MIOPEN_DECLARE_GTEST_USES_TEST_DRIVE();
};

void Run2dDriverFloat(void)
{
    std::vector<std::string> params = GPU_DeepBench_lstm_FP32::GetParam();

    for(const auto& test_value : params)
    {
        std::vector<std::string> tokens;
        GetArgs(test_value, tokens);
        std::vector<const char*> ptrs;

        std::transform(tokens.begin(), tokens.end(), std::back_inserter(ptrs), [](const auto& str) {
            return str.data();
        });
        testing::internal::CaptureStderr();
        test_drive<lstm_driver>(ptrs.size(), ptrs.data());
        auto capture = testing::internal::GetCapturedStderr();
        std::cout << capture;
    }
};
} // namespace deepbench_lstm

using namespace deepbench_lstm;

TEST_P(GPU_DeepBench_lstm_FP32, FloatTest_deepbench_lstm) { Run2dDriverFloat(); };

INSTANTIATE_TEST_SUITE_P(Full, GPU_DeepBench_lstm_FP32, testing::Values(GetTestCases("--float")));
