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#pragma once

#include <string>

#include "pb_string.h"
#include "pb_utils.h"

namespace triton { namespace backend { namespace python {
class PbLog {
 public:
  /// Create a PbLog instance
  PbLog(
      const std::string& filename, uint32_t line, const std::string& message,
      LogLevel level);

  /// Get the filename where the log was recorded
  const std::string& Filename();

  /// Get the log message
  const std::string& Message();

  /// Get the log level of the message
  const LogLevel& Level();

  /// Get the line number of the log message
  const uint32_t& Line();

 private:
  std::string filename_;
  uint32_t line_;
  std::string message_;
  LogLevel level_;
};

class PbLogShm {
 public:
  /// Save PbLog object to shared memory
  static std::unique_ptr<PbLogShm> Create(
      std::unique_ptr<SharedMemoryManager>& shm_pool,
      const std::string& filename, const uint32_t& line,
      const std::string& message, const LogLevel& level);

  /// Load PbLog object to shared memory
  static std::unique_ptr<PbLog> LoadFromSharedMemory(
      std::unique_ptr<SharedMemoryManager>& shm_pool,
      bi::managed_external_buffer::handle_t handle);

  /// Get the shared memory handle of the saved log message
  bi::managed_external_buffer::handle_t ShmHandle();

  /// Get a pointer to the saved log message
  LogSendMessage* LogMessage();

 private:
  AllocatedSharedMemory<LogSendMessage> log_container_shm_;
  std::unique_ptr<PbString> filename_pb_string_;
  std::unique_ptr<PbString> message_pb_string_;

  LogSendMessage* log_container_shm_ptr_;

  PbLogShm(
      AllocatedSharedMemory<LogSendMessage>& log_container_shm,
      std::unique_ptr<PbString>& filename, std::unique_ptr<PbString>& message);
};
}}};  // namespace triton::backend::python
