// Copyright(c) 2019-2020, Intel Corporation
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extern "C" {

#include <json-c/json.h>
#include <uuid/uuid.h>
#include "metrics/metrics_int.h"
#include "metrics/metrics_max10.h"
#include "metrics/threshold.h"
#include "metrics/vector.h"
#include "opae_int.h"
#include "types_int.h"
#include "xfpga.h"
}

#include <config.h>
#include <dlfcn.h>
#include <opae/fpga.h>
#include <array>
#include <cstdlib>
#include <map>
#include <memory>
#include <string>
#include <vector>

#include "gtest/gtest.h"
#include "mock/test_system.h"
#include "mock/test_utils.h"
#include "token_list_int.h"

#include "sysfs_int.h"

extern "C" {
int xfpga_plugin_initialize(void);
int xfpga_plugin_finalize(void);
}

using namespace opae::testing;

class metrics_threshold_c_p : public ::testing::TestWithParam<std::string> {
 protected:
  metrics_threshold_c_p() : tokens_{{nullptr, nullptr}}, handle_(nullptr) {}

  virtual void SetUp() override {
    ASSERT_TRUE(test_platform::exists(GetParam()));
    platform_ = test_platform::get(GetParam());
    system_ = test_system::instance();
    system_->initialize();
    system_->prepare_syfs(platform_);
    ASSERT_EQ(xfpga_plugin_initialize(), FPGA_OK);
    ASSERT_EQ(xfpga_fpgaGetProperties(nullptr, &filter_), FPGA_OK);
    ASSERT_EQ(fpgaPropertiesSetObjectType(filter_, FPGA_DEVICE), FPGA_OK);
    ASSERT_EQ(xfpga_fpgaEnumerate(&filter_, 1, tokens_.data(), tokens_.size(),
                                  &num_matches_),
              FPGA_OK);
    ASSERT_GT(num_matches_, 0);
    ASSERT_EQ(xfpga_fpgaOpen(tokens_[0], &handle_, 0), FPGA_OK);
  }

  virtual void TearDown() override {
    EXPECT_EQ(fpgaDestroyProperties(&filter_), FPGA_OK);
    for (auto &t : tokens_) {
      if (t) {
        EXPECT_EQ(xfpga_fpgaDestroyToken(&t), FPGA_OK);
        t = nullptr;
      }
    }
    if (handle_ != nullptr) {
      EXPECT_EQ(xfpga_fpgaClose(handle_), FPGA_OK);
      handle_ = nullptr;
    }
    xfpga_plugin_finalize();
    system_->finalize();
  }

  std::array<fpga_token, 2> tokens_;
  fpga_handle handle_;
  fpga_properties filter_;
  uint32_t num_matches_;
  test_platform platform_;
  test_system *system_;
};

/**
* @test       metrics_threshold_1
* @brief      Tests: xfpga_fpgaGetMetricsThresholdInfo
* @details    When the parameters are valid xfpga_fpgaGetMetricsThresholdInfo
*             reads metrics threshold info
*             When the parameters are invalid xfpga_fpgaGetMetricsThresholdInfo
*             retuns error.
*
*/
TEST_P(metrics_threshold_c_p, metrics_threshold_1) {
  uint32_t num_thresholds;

  EXPECT_EQ(xfpga_fpgaGetMetricsThresholdInfo(handle_, NULL, &num_thresholds),
            FPGA_OK);
  EXPECT_NE(xfpga_fpgaGetMetricsThresholdInfo(NULL, NULL, &num_thresholds),
            FPGA_OK);
  EXPECT_NE(xfpga_fpgaGetMetricsThresholdInfo(handle_, NULL, NULL), FPGA_OK);
}

/**
* @test       metrics_threshold_2
* @brief      Tests: get_max10_threshold_info
* @details    When the parameters are valid get_max10_threshold_info
*             reads max10 threshold info
*             When the parameters are invalid get_max10_threshold_info
*             retuns error.
*
*/
TEST_P(metrics_threshold_c_p, metrics_threshold_2) {
  uint32_t num_thresholds;
  metric_threshold *pmetric_thresholds;

  EXPECT_NE(get_max10_threshold_info(handle_, NULL, NULL), FPGA_OK);
  EXPECT_NE(get_max10_threshold_info(NULL, NULL, &num_thresholds), FPGA_OK);

  EXPECT_EQ(get_max10_threshold_info(handle_, NULL, &num_thresholds), FPGA_OK);

  pmetric_thresholds = (struct metric_threshold *)calloc(
      sizeof(struct metric_threshold), num_thresholds);
  ASSERT_NE(pmetric_thresholds, (void *)nullptr);

  EXPECT_EQ(
      get_max10_threshold_info(handle_, pmetric_thresholds, &num_thresholds),
      FPGA_OK);

  if (pmetric_thresholds) free(pmetric_thresholds);

  EXPECT_NE(get_bmc_threshold_info(handle_, NULL, &num_thresholds), FPGA_OK);
}
INSTANTIATE_TEST_CASE_P(metrics_threshold_c_c, metrics_threshold_c_p,
    ::testing::ValuesIn(test_platform::mock_platforms({"dcp-vc"})));

class metrics_bmc_threshold_c_p : public metrics_threshold_c_p {};

/**
* @test       metrics_threshold_3
* @brief      Tests: xfpga_fpgaGetMetricsThresholdInfo
* @details    When the parameters are valid and invalid platform
*             xfpga_fpgaGetMetricsThresholdInfo returns error
*
*/
TEST_P(metrics_bmc_threshold_c_p, metrics_threshold_3) {
  uint32_t num_thresholds;

  EXPECT_EQ(xfpga_fpgaGetMetricsThresholdInfo(handle_, NULL, &num_thresholds),
            FPGA_OK);
  EXPECT_NE(xfpga_fpgaGetMetricsThresholdInfo(NULL, NULL, &num_thresholds),
            FPGA_OK);
  EXPECT_NE(xfpga_fpgaGetMetricsThresholdInfo(handle_, NULL, NULL), FPGA_OK);
}

/**
* @test       metrics_threshold_4
* @brief      Tests: get_bmc_threshold_info
* @details    When the parameters are valid get_bmc_threshold_info
*             reads bmc threshold info
*             When the parameters are invalid get_bmc_threshold_info
*             retuns error.
*
*/
TEST_P(metrics_bmc_threshold_c_p, metrics_threshold_4) {
  uint32_t num_thresholds;
  metric_threshold *pmetric_thresholds;
  struct _fpga_handle *_handle = (struct _fpga_handle *)handle_;

  EXPECT_NE(get_bmc_threshold_info(handle_, NULL, NULL), FPGA_OK);
  EXPECT_NE(get_bmc_threshold_info(NULL, NULL, &num_thresholds), FPGA_OK);

  _handle->bmc_handle = metrics_load_bmc_lib();
  ASSERT_NE(_handle->bmc_handle, (void *)nullptr);

  EXPECT_EQ(get_bmc_threshold_info(handle_, NULL, &num_thresholds), FPGA_OK);

  pmetric_thresholds = (struct metric_threshold *)calloc(
      sizeof(struct metric_threshold), num_thresholds);
  ASSERT_NE(pmetric_thresholds, (void *)nullptr);

  EXPECT_EQ(
      get_bmc_threshold_info(handle_, pmetric_thresholds, &num_thresholds),
      FPGA_OK);

  if (pmetric_thresholds) free(pmetric_thresholds);

  EXPECT_NE(get_max10_threshold_info(handle_, NULL, &num_thresholds), FPGA_OK);
}
INSTANTIATE_TEST_CASE_P(metrics_threshold_c_c, metrics_bmc_threshold_c_p,
    ::testing::ValuesIn(test_platform::mock_platforms({"dcp-rc"})));

class metrics_mcp_threshold_c_p : public metrics_threshold_c_p {};

/**
* @test       metrics_threshold_5
* @brief      Tests: xfpga_fpgaGetMetricsThresholdInfo
*              get_max10_threshold_info
* @details    When the parameters are valid and invalid platform
*             retuns error
*
*/
TEST_P(metrics_mcp_threshold_c_p, metrics_threshold_5) {
  uint32_t num_thresholds;

  EXPECT_NE(xfpga_fpgaGetMetricsThresholdInfo(handle_, NULL, &num_thresholds),
            FPGA_OK);

  EXPECT_NE(xfpga_fpgaGetMetricsThresholdInfo(NULL, NULL, &num_thresholds),
            FPGA_OK);
  EXPECT_NE(xfpga_fpgaGetMetricsThresholdInfo(handle_, NULL, NULL), FPGA_OK);

  EXPECT_NE(get_max10_threshold_info(handle_, NULL, &num_thresholds), FPGA_OK);

  EXPECT_NE(get_bmc_threshold_info(handle_, NULL, &num_thresholds), FPGA_OK);
}

INSTANTIATE_TEST_CASE_P(metrics_threshold_c_c, metrics_mcp_threshold_c_p,
    ::testing::ValuesIn(test_platform::mock_platforms({"skx-p"})));

class metrics_afu_threshold_c_p : public ::testing::TestWithParam<std::string> {
 protected:
  metrics_afu_threshold_c_p() : tokens_{{nullptr, nullptr}}, handle_(nullptr) {}

  virtual void SetUp() override {
    ASSERT_TRUE(test_platform::exists(GetParam()));
    platform_ = test_platform::get(GetParam());
    system_ = test_system::instance();
    system_->initialize();
    system_->prepare_syfs(platform_);
    ASSERT_EQ(xfpga_plugin_initialize(), FPGA_OK);
    ASSERT_EQ(xfpga_fpgaGetProperties(nullptr, &filter_), FPGA_OK);
    ASSERT_EQ(fpgaPropertiesSetObjectType(filter_, FPGA_ACCELERATOR), FPGA_OK);
    ASSERT_EQ(xfpga_fpgaEnumerate(&filter_, 1, tokens_.data(), tokens_.size(),
                                  &num_matches_),
              FPGA_OK);
    ASSERT_GT(num_matches_, 0);
    ASSERT_EQ(xfpga_fpgaOpen(tokens_[0], &handle_, 0), FPGA_OK);
  }

  virtual void TearDown() override {
    EXPECT_EQ(fpgaDestroyProperties(&filter_), FPGA_OK);
    for (auto &t : tokens_) {
      if (t) {
        EXPECT_EQ(xfpga_fpgaDestroyToken(&t), FPGA_OK);
        t = nullptr;
      }
    }
    if (handle_ != nullptr) {
      EXPECT_EQ(xfpga_fpgaClose(handle_), FPGA_OK);
      handle_ = nullptr;
    }
    xfpga_plugin_finalize();
    system_->finalize();
  }

  std::array<fpga_token, 2> tokens_;
  fpga_handle handle_;
  fpga_properties filter_;
  uint32_t num_matches_;
  test_platform platform_;
  test_system *system_;
};

/**
* @test       metrics_threshold_6
* @brief      Tests: xfpga_fpgaGetMetricsThresholdInfo
* @details    When the parameters are valid and invalid object type
*             retuns error
*
*/
TEST_P(metrics_afu_threshold_c_p, metrics_threshold_6) {
  uint32_t num_thresholds;

  EXPECT_EQ(xfpga_fpgaGetMetricsThresholdInfo(handle_, NULL, &num_thresholds),
            FPGA_OK);
  EXPECT_NE(xfpga_fpgaGetMetricsThresholdInfo(NULL, NULL, &num_thresholds),
            FPGA_OK);
  EXPECT_NE(xfpga_fpgaGetMetricsThresholdInfo(handle_, NULL, NULL), FPGA_OK);
}
INSTANTIATE_TEST_CASE_P(metrics_threshold_c_c, metrics_afu_threshold_c_p,
    ::testing::ValuesIn(test_platform::mock_platforms({"dcp-vc"})));