// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)

#ifndef UTILS_LOGGER_SPDLOG_SINKS_BASE_SINK_HPP_
#define UTILS_LOGGER_SPDLOG_SINKS_BASE_SINK_HPP_
//
// base sink templated over a mutex (either dummy or real)
// concrete implementation should override the sink_it_() and flush_()  methods.
// locking is taken care of in this class - no locking needed by the
// implementers..
//

#include "../common.hpp"
#include "../details/log_msg.hpp"
#include "./sink.hpp"

namespace spdlog {
namespace sinks {
template<typename Mutex>
class base_sink : public sink
{
public:
  base_sink();
  explicit base_sink(std::unique_ptr<spdlog::formatter> formatter);
  ~base_sink() override = default;

  base_sink(const base_sink &) = delete;
  base_sink(base_sink &&) = delete;

  base_sink &operator=(const base_sink &) = delete;
  base_sink &operator=(base_sink &&) = delete;

  void log(const details::log_msg &msg) final;
  void flush() final;
  void set_pattern(const std::string &pattern) final;
  void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) final;

protected:
  // sink formatter
  std::unique_ptr<spdlog::formatter> formatter_;
  Mutex mutex_;

  virtual void sink_it_(const details::log_msg &msg) = 0;
  virtual void flush_() = 0;
  virtual void set_pattern_(const std::string &pattern);
  virtual void set_formatter_(std::unique_ptr<spdlog::formatter> sink_formatter);
};
} // namespace sinks
} // namespace spdlog

#ifdef SPDLOG_HEADER_ONLY
#include "base_sink-inl.hpp"
#endif
#endif  // UTILS_LOGGER_SPDLOG_SINKS_BASE_SINK_HPP_
