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/* \file
   \brief Class performing output during profiling
*/

#pragma once

#include <vector>
#include <fstream>

// HYTLASS Profiler includes
#include "options.h"
#include "enumerated_types.h"
#include "performance_result.h"

// HYTLASS Library includes
#include "hytlass/library/library.h"

namespace hytlass {
namespace profiler {

/////////////////////////////////////////////////////////////////////////////////////////////////

class PerformanceReport {
private:

  /// Reference to options
  Options const &options_;

  /// Operation kind
  library::OperationKind op_kind_;

  /// Operation file name containing performance report of op_kind
  std::string op_file_name_;

  /// Output file containing results
  std::ofstream output_file_;

  /// Operation file name containing junit performance report of op_kind
  std::string op_junit_file_name_;

  /// Output file containing junit results
  std::ofstream junit_output_file_;

  /// Flag indicating the performance report is valid
  bool good_;

  /// Vector of argument names
  std::vector<std::string> argument_names_;

  /// Counter uniquely identifying problem within the report
  size_t problem_index_;

  /// Collection of all results
  PerformanceResultVector concatenated_results_;

public:

  PerformanceReport(Options const &options, std::vector<std::string> const &argument_names, library::OperationKind const &op_kind);
  ~PerformanceReport();

  bool good() const { return good_; }

  void next_problem();
  void append_result(PerformanceResult result);
  void sort_results(PerformanceResultVector &results);
  void append_results(PerformanceResultVector const &results);

public:

  /// Prints the CSV header
  std::ostream & print_csv_header_(std::ostream &out);

  /// Prints the CSV
  std::ostream & print_result_csv_(std::ostream &out, PerformanceResult const &result);

  /// @defgroup jUnit Result Generation
  /// Functions related to generation of the jUnit results
  /// @{

  std::ostream & print_junit_header_(std::ostream &out);
  std::ostream & print_junit_result_(std::ostream &out, PerformanceResult const &result);
  std::ostream & print_junit_footer_(std::ostream &out);

  /// @}

  /// Prints the result in human readable form
  std::ostream & print_result_pretty_(
    std::ostream &out, 
    PerformanceResult const &result,
    bool use_shell_coloring = true);
};

/////////////////////////////////////////////////////////////////////////////////////////////////

} // namespace profiler
} // namespace hytlass

