#ifndef MATADOR_LOG_LEVEL_HPP
#define MATADOR_LOG_LEVEL_HPP

#include <iosfwd>

namespace matador::logger {

/**
 * Represents all available log levels
 */
enum class log_level
{
  LVL_FATAL,  /**< If a serious error occurred, use FATAL level */
  LVL_ERROR,  /**< On error use ERROR level */
  LVL_WARN,   /**< Warnings should use WARN level */
  LVL_INFO,   /**< Information should go with INFO level */
  LVL_DEBUG,  /**< Debug output should use DEBUG level */
  LVL_TRACE,  /**< Trace information should use TRACE level */
  LVL_ALL     /**< This level represents all log levels and should be used for logging */
};

/**
 * Write log level in a human-readable string
 * to a given std::ostream.
 *
 * @param os std::stream to write to
 * @param lvl Log level to write
 * @return The std::ostream
 */
std::ostream& operator<<(std::ostream &os, log_level lvl);

/// @cond MATADOR_DEV

struct log_level_range
{
  log_level min_level = log_level::LVL_INFO;
  log_level max_level = log_level::LVL_FATAL;
};

/// @endcond

}
#endif //MATADOR_LOG_LEVEL_HPP