/// @copyright 2020 ECCI, Universidad de Costa Rica. All rights reserved
/// This code is released under the GNU Public License version 3
/// @author Jeisson Hidalgo-Céspedes <jeisson.hidalgo@ucr.ac.cr>

#ifndef LOGTEST_HPP
#define LOGTEST_HPP

#include <iostream>
#include <mutex>
#include <string>

#include "common.hpp"

/**
 * @brief A thread-safe log manager singleton object
 */
class LogTest {
  DISABLE_COPY(LogTest);

 private:
  /// Output will be sent to this stream
  std::ostream* output = &std::cout;
  /// Mutual exclusion of writing operations
  std::mutex mutex;

 public:
  /// Get access to the unique instance of this Singleton class
  static LogTest& getInstance();
  /// Changes the output stream
  inline void setOutput(std::ostream& output) { this->output = &output; }
  /// Writes the given text to the log
  void write(const std::string& text, bool addNewLine = true);
  /// Convenience static method for calling write
  inline static void append(const std::string& text) {
    return getInstance().write(text);
  }

 private:
  /// Private constructor.
  /// Call @a getInstance() to get the unique instance of this class
  LogTest() = default;
  //// Private destructor
  ~LogTest() = default;
};

#endif  // LOGTEST_HPP