#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <time.h>
#include "Logger.h"


LogLevelType Logger::LogLevel = TraceLevel;

#ifdef DEBUG

void Logger::Trace(char* msgfmt, ...)
{
	va_list args;
	va_start(args, msgfmt);
	Logger::Log(TraceLevel, msgfmt, args);
}

void Logger::Debug(char* msgfmt, ...)
{
	va_list args;
	va_start(args, msgfmt);
	Logger::Log(DebugLevel, msgfmt, args);
}

void Logger::Info(char* msgfmt, ...)
{
	va_list args;
	va_start(args, msgfmt);
	Logger::Log(InfoLevel, msgfmt, args);
}

void Logger::Warn(char* msgfmt, ...)
{
	va_list args;
	va_start(args, msgfmt);
	Logger::Log(WarnLevel, msgfmt, args);	
}

void Logger::Error(char* msgfmt, ...)
{
	va_list args;
	va_start(args, msgfmt);
	Logger::Log(ErrorLevel, msgfmt, args);
}

void Logger::Fatal(char* msgfmt, ...)
{
	va_list args;
	va_start(args, msgfmt);
	Logger::Log(FatalLevel, msgfmt, args);
}

void Logger::Log(LogLevelType logLevel, char* msgfmt, ...)
{
	va_list args;
	va_start(args, msgfmt);
	Logger::Log(logLevel, msgfmt, args);
}

void Logger::Log(LogLevelType logLevel, char* msgfmt, va_list args)
{
	time_t rawtime = time(NULL);
	struct tm *lctime = localtime(&rawtime);
	char time_str[10] = {0};
	strftime(time_str, 10, "%H:%M:%S", lctime);
		
	char log_level_str[6] = {0};
	switch (logLevel)
	{
		default:
		case TraceLevel:
			strcpy(log_level_str, "Trace");
			break;
		case DebugLevel:
			strcpy(log_level_str, "Debug");
			break;
		case InfoLevel:
			strcpy(log_level_str, "Info");
			break;
		case WarnLevel:
			strcpy(log_level_str, "Warn");
			break;
		case ErrorLevel:
			strcpy(log_level_str, "Error");
			break;
		case FatalLevel:
			strcpy(log_level_str, "Fatal");
			break;
	}
	
	char *newfmt = new char[strlen(msgfmt) + 24];
	sprintf(newfmt, "[%s] %-6s: %s", time_str, log_level_str, msgfmt);
	vfprintf(stderr, newfmt, args);
}

#endif