#pragma once

#include <exception>
#include <string>

namespace spdlogconfig {
// declaration section

/**
 * Setup error with a textual description.
 *
 * This exception type is used to report configuration and initialization
 * failures within the spdlog configuration module.
 */
class spdlogconfig_error : public std::exception {
public:
  /**
   * Construct an error from a C-string message.
   *
   * @param msg Error message to store.
   * @throw std::bad_alloc If memory allocation for the message fails.
   */
  spdlogconfig_error(const char *const msg);

  /**
   * Construct an error from a std::string message.
   *
   * @param msg Error message to store (moved into this object).
   * @throw std::bad_alloc If memory allocation for the message fails.
   */
  spdlogconfig_error(std::string msg);

  /**
   * Retrieve the stored error message.
   *
   * @return Null-terminated error message string.
   */
  auto what() const noexcept -> const char * override;

private:
  /** Stored error message text. */
  std::string msg;
};

// implementation section

inline spdlogconfig_error::spdlogconfig_error(const char *const msg)
    : msg(msg) {}

inline spdlogconfig_error::spdlogconfig_error(std::string msg)
    : msg(std::move(msg)) {}

inline auto spdlogconfig_error::what() const noexcept -> const char * {
  return msg.c_str();
}
} // namespace spdlogconfig