/*
Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/

#include <hip_test_common.hh>
#include "OutCapture.hh"

/**
 * @addtogroup hipDynamicLogging hipDynamicLogging
 * @{
 * @ingroup ErrorTest
 * `hipExtSetLoggingParams(size_t log_level, size_t log_size, size_t log_mask)` -
 * Sets logging parameters for HIP runtime.
 * `hipExtEnableLogging()` -
 * Enables HIP runtime logging.
 * `hipExtDisableLogging()` -
 * Disables HIP runtime logging.
 */

static bool hipDynamicLoggingTest() {
  // Create output capture instance
  OutCapture capture;
  capture.startCapture();

  // Set Logging params
  HIP_CHECK(hipExtSetLoggingParams(4, 0, -1));

  // Logging is disabled here - allocate memory
  int* dptr = nullptr;  
  HIP_CHECK(hipMalloc(&dptr, sizeof(int)));

  // Stop capture after hipMalloc and check no output (logging disabled)
  std::string malloc_output = capture.stopCapture();
  if (malloc_output.size() != 0) {
    INFO("Unexpected logging output during hipMalloc (logging should be disabled): " << malloc_output);
    return false;
  }

  // Start capture before enabling logging
  capture.startCapture();

  // Enable logging and do memset
  HIP_CHECK(hipExtEnableLogging());
  HIP_CHECK(hipMemset(dptr, 0x00, sizeof(int)));

  // Disable logging 
  HIP_CHECK(hipExtDisableLogging());

  // Stop capture after disabling logging and check for output
  std::string logging_output = capture.stopCapture();
  if (logging_output.size() == 0) {
    INFO("Expected logging output during enabled logging period, but got none");
    return false;
  }

  // Clean up
  HIP_CHECK(hipFree(dptr));

  INFO("Successfully captured HIP logging output (" << logging_output.size() << " bytes)");
  INFO("Logging output: " << logging_output);
  
  return true;
}

/**
 * Test Description
 * ------------------------
 *  - Validates that HIP dynamic logging works correctly:
 *    1. No output when logging is disabled
 *    2. Logging output is captured when logging is enabled
 *    3. hipMemset operation produces logging output during enabled period
 * Test source
 * ------------------------
 *  - unit/errorHandling/hipDynamicLogging.cc  
 * Test requirements
 * ------------------------
 *  - HIP_VERSION >= 5.6
 */
TEST_CASE("Unit_hipDynamicLogging_Positive_Basic") {
  int numDevices = 0;
  HIP_CHECK(hipGetDeviceCount(&numDevices));

  if (numDevices <= 0) {
    HipTest::HIP_SKIP_TEST("Skipping hipDynamicLogging test - no devices available");
    return;
  }

  REQUIRE(hipDynamicLoggingTest() == true);
}

/**
 * Test Description
 * ------------------------
 *  - Validates that hipExtSetLoggingParams sets logging parameters correctly
 *    and that logging can be enabled/disabled multiple times
 * Test source
 * ------------------------
 *  - unit/errorHandling/hipDynamicLogging.cc  
 * Test requirements
 * ------------------------
 *  - HIP_VERSION >= 5.6
 */
TEST_CASE("Unit_hipDynamicLogging_Positive_MultipleEnableDisable") {
  int numDevices = 0;
  HIP_CHECK(hipGetDeviceCount(&numDevices));

  if (numDevices <= 0) {
    HipTest::HIP_SKIP_TEST("Skipping hipDynamicLogging test - no devices available");
    return;
  }

  // Test multiple enable/disable cycles
  OutCapture capture;
  int* dptr = nullptr;
  HIP_CHECK(hipMalloc(&dptr, sizeof(int)));

  // Set different logging parameters
  HIP_CHECK(hipExtSetLoggingParams(3, 0, -1));
  
  for (int i = 0; i < 3; ++i) {
    // Start capture and enable logging
    capture.startCapture();
    HIP_CHECK(hipExtEnableLogging());
    HIP_CHECK(hipMemset(dptr, 0x42, sizeof(int)));
    HIP_CHECK(hipExtDisableLogging());
    
    // Check that we captured some output
    std::string output = capture.stopCapture();
    REQUIRE(output.size() > 0);
  }

  HIP_CHECK(hipFree(dptr));
}

/**
 * End doxygen group ErrorTest.
 * @}
 */