/**

 * ShaderShark

 * Copyright © 2023 František Kučera (Frantovo.cz, GlobalCode.info)

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, version 3 of the License.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program. If not, see <http://www.gnu.org/licenses/>.

 */

#pragma once

#include <ostream>

#include <string>

#define LOG_LEVEL(XX) \

	XX(OFF, 0, "OFF") \

	XX(SEVERE, 1, "SEVERE") \

	XX(WARNING, 2, "WARNING") \

	XX(INFO, 3, "INFO") \

	XX(CONFIG, 4, "CONFIG") \

	XX(FINE, 5, "FINE") \

	XX(FINER, 6, "FINER") \

	XX(FINEST, 7, "FINEST") \

	XX(ALL, 8, "ALL")

enum class LogLevel {

#define XX(a, b, c) a = (1 << b),

	LOG_LEVEL(XX)

#undef XX

};

static const char* LOG_LEVELS[] = {

#define XX(a, b, c) [b] = c,

	LOG_LEVEL(XX)

#undef XX

};

#undef LOG_LEVEL

#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))

inline const char* getLogLevelName(LogLevel l) {

	auto count = ARRAY_SIZE(LOG_LEVELS);

	for (int i = 0; i < count; i++) if ((int) l == 1 << i) return LOG_LEVELS[i];

	return nullptr;

}

inline void log(std::ostream& out, LogLevel level, std::string message) {

	out << getLogLevelName(level) << ": " << message << std::endl;

}