/*
 * utility_seriallogger.hpp
 *
 *  Created on: Apr 1, 2021
 *      Author: erki
 */

#ifndef UTILITY_INC_UTILITY_SERIALLOGGER_HPP_
#define UTILITY_INC_UTILITY_SERIALLOGGER_HPP_

#include <array>
#include <cstdarg>
#include <cstdio>

#include "utility_ilogger.hpp"

namespace Utility
{

template<typename T, std::size_t N>
class SerialLogger : public ILogger
{
public:
  using serial_interface = T;

  SerialLogger() = delete;
  explicit SerialLogger(const serial_interface& serial)
    : _serial(serial)
  { }

  void log(const char* format, ...) override
  {
    std::va_list args;
    va_start(args, format);

    const std::int32_t len = vsnprintf(_buffer.data(), _buffer.size(), format, args);

    if (len > 0)
      _serial.Transmit(reinterpret_cast<std::uint8_t*>(_buffer.data()), len);

    va_end(args);
  }

private:
  serial_interface _serial;
  std::array<char, N> _buffer;
};

}


#endif /* UTILITY_INC_UTILITY_SERIALLOGGER_HPP_ */