#include "Logger.hpp"

#include <iomanip>
#include <iostream>


enum LOG_TYPE{
	LOG_TYPE_INFO = 0,
	LOG_TYPE_WARN,
	LOG_TYPE_CRIT,
	LOG_TYPE_DBG
};

Logger* Logger::smInstance = nullptr;


/* ------------------------------------------------------------------------------------------------------------------------------------------------- */

inline static std::string GetLabelType(const LOG_TYPE logType) {
	switch (logType) {
	case LOG_TYPE_DBG:
        return "][DEBUG] ";
		break;
	case LOG_TYPE_CRIT:
        return "][CRIT] ";
		break;
	case LOG_TYPE_WARN:
        return "][WARN] ";
		break;
	case LOG_TYPE_INFO:
	default:
        return "][INFO] ";
		break;
	}
}

static void LogConsolePrint(const LOG_TYPE logType, const std::string& message, const double time) {
    std::cout << std::fixed << std::setprecision(6) << '[' << time;
	std::cout << GetLabelType(logType);
    std::cout << message << std::endl;
}

static void LogFilePrint(const LOG_TYPE logType, const std::string& message, const double time) {
	std::ofstream outLogFile;
	outLogFile.open("log.txt", std::ios::app);

	if (outLogFile.is_open()) {
		outLogFile << std::fixed << std::setprecision(6) << '[' << time;
		outLogFile << GetLabelType(logType);
		outLogFile << message << std::endl;

		outLogFile.close();
	}
}


/* ------------------------------------------------------------------------------------------------------------------------------------------------- */

Logger::Logger() {
    mLogTimer = std::make_unique<SysTimer>();
	LogConsolePrint(LOG_TYPE_INFO, "Log module ready", mLogTimer->GetElapsedTimeS());
}

void Logger::PrintInfo(std::string _in, bool writeToFile) { 
	LogConsolePrint(LOG_TYPE_INFO, _in, mLogTimer->GetElapsedTimeS());
	if (writeToFile)
		LogFilePrint(LOG_TYPE_INFO, _in, mLogTimer->GetElapsedTimeS());
}

void Logger::PrintWarning(std::string _in, bool writeToFile) { 
	LogConsolePrint(LOG_TYPE_WARN, _in, mLogTimer->GetElapsedTimeS());
	if (writeToFile)
		LogFilePrint(LOG_TYPE_WARN, _in, mLogTimer->GetElapsedTimeS());
}

void Logger::PrintCritical(std::string _in, bool writeToFile) { 
	LogConsolePrint(LOG_TYPE_CRIT, _in, mLogTimer->GetElapsedTimeS());
	if (writeToFile)
		LogFilePrint(LOG_TYPE_CRIT, _in, mLogTimer->GetElapsedTimeS());
}

void Logger::PrintDebug(std::string _in, bool writeToFile) { 
#ifdef DEBUG
	LogConsolePrint(LOG_TYPE_DBG, _in, mLogTimer->GetElapsedTimeS());
	if (writeToFile)
		LogFilePrint(LOG_TYPE_DBG, _in, mLogTimer->GetElapsedTimeS());
#endif
}