#include	"logger.h"

#include	<cstdarg>
#include	<cstdio>
#include	<ctime>
#include	<memory>

using namespace std;

static const char LOG_TYPE_DESC[] = "EWIDCCCCCCCCCCCCCCCCCCCCCC";

Logger & Logger::Instance() {
	static unique_ptr<Logger> _iIns;
	if (!_iIns.get()) _iIns.reset(new Logger);
	return *(_iIns.get());
}

void Logger::Log(ELog::Level emLevel, const char * pFmt, ...) {
	std::unique_lock<std::mutex> iAuto(_iLock);
	time_t nNow = time(NULL);
	struct tm* pLocal = nullptr;

#if defined(_WIN32)
	struct tm iLocal = { 0 };
	pLocal = &iLocal;
	localtime_s(pLocal, &nNow);
#else
	pLocal = localtime(&nNow);
#endif
	printf("[%04d-%02d-%02d %02d:%02d:%02d][%c] ",
		pLocal->tm_year + 1900, pLocal->tm_mon + 1, pLocal->tm_mday, pLocal->tm_hour, pLocal->tm_min, pLocal->tm_sec,
		LOG_TYPE_DESC[emLevel]);

	va_list args;
	va_start(args, pFmt);
	vprintf(pFmt, args);
	printf("\n");
	va_end(args);
}