cpp17-threaded-app-non-threadsafe-logger/logger/src/logger.cpp

#include "logger.hpp"

#include <fstream>

namespace logger {

Logger::Logger(const std::string &fileName, LogLevel defaultLevel)
    : fileName_(fileName), defaultLevel_(defaultLevel) {}

Logger::~Logger() = default;

core::Status Logger::writeMessage(LogLevel level, const std::string &message) {
  std::ofstream stream(fileName_, std::ios::app);

  if (!stream.is_open()) {
    return core::Status::Failure("Unable to open log file: " + fileName_);
  }

  stream << "[" << level.toString() << "] " << message << '\n';

  if (!stream.good()) {
    return core::Status::Failure("Failed to write to log file: " + fileName_);
  }

  return core::Status::Success(true);
}

core::Status Logger::writeMessage(const std::string &message) {
  return writeMessage(defaultLevel_, message);
}

Logger Logger::withLogLevel(LogLevel level) const {
  return Logger(fileName_, level);
}

Logger Logger::withFileName(const std::string &fileName) const {
  return Logger(fileName, defaultLevel_);
}

LogLevel Logger::getLogLevel() const { return defaultLevel_; }

const std::string &Logger::getFileName() const { return fileName_; }

} // namespace logger