/**
 * @file log.hpp
 * @author Piotr Krygier (everyonencancode@gmail.com)
 * @brief Logging interfaces
 * @version 0.1
 * @date 2022-02-11
 *
 * @copyright Copyright (c) 2022
 *
 */

#ifndef RSE_LOGGER_HPP
#define RSE_LOGGER_HPP

#include <sstream>

#ifndef LOG_LEVEL
#define LOG_LEVEL LOGLEVEL_DEBUG
#endif

#define LOGT rse::utils::log::Logger(rse::utils::log::LOGLEVEL_TRACE)
#define LOGD rse::utils::log::Logger(rse::utils::log::LOGLEVEL_DEBUG)
#define LOGI rse::utils::log::Logger(rse::utils::log::LOGLEVEL_INFO)
#define LOGW rse::utils::log::Logger(rse::utils::log::LOGLEVEL_WARNING)
#define LOGE rse::utils::log::Logger(rse::utils::log::LOGLEVEL_ERROR)
#define LOGF rse::utils::log::Logger(rse::utils::log::LOGLEVEL_FATAL)



namespace rse::utils::log
{

/**
 * @brief Log level. Is not an enum class, because level is being compared to enable prints
 *
 */
typedef enum
{
    LOGLEVEL_TRACE = 1,
    LOGLEVEL_DEBUG = 2,
    LOGLEVEL_INFO = 3,
    LOGLEVEL_WARNING = 4,
    LOGLEVEL_ERROR = 5,
    LOGLEVEL_FATAL = 6
} LogLevel;

/**
 * @brief Class used indirectly as a logger.
 *
 */
class Logger {
   private:
    bool printMessage;
    std::stringstream mMessageBuffer;

   public:
    /**
     * @brief Construct a new Logger object
     *
     */
    Logger(LogLevel);
    ~Logger();

    /**
     * @brief For log printing. I want it to work like log << "Message " << args;
     *
     */
    template <typename T>
    Logger& operator<<(T&& message)
    {
        if (printMessage)
            mMessageBuffer << message;
        return *this;
    }
};

}  // namespace rse::log

#endif