Logger.cs


namespace OpenSC
{
    public static class Logger
    {
        private static readonly object _lock = new object();
        private static string _logFilePath;
        private static bool _logToFile;
        private static bool _logToConsole;

        public static void Initialize(bool logToConsole = true, bool logToFile = false, string logFilePath = null)
        {
            _logToConsole = logToConsole;
            _logToFile = logToFile;

            if (_logToFile)
            {
                if (string.IsNullOrWhiteSpace(logFilePath))
                {
                    logFilePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "logs", $"log_{DateTime.Now:yyyy-MM-dd}.txt");
                }

                _logFilePath = logFilePath;
                var logDir = Path.GetDirectoryName(_logFilePath);

                if (!Directory.Exists(logDir))
                {
                    Directory.CreateDirectory(logDir);
                }
            }
        }

        public static void LogInfo(string message)
        {
            WriteLog(message, LogLevel.INFO);
        }

        public static void LogWarning(string message)
        {
            WriteLog(message, LogLevel.WARNING);
        }

        public static void LogError(string message, Exception ex = null)
        {
            var errorMessage = ex != null ? $"{message}\nEXCEPTION: {ex}\nSTACKTRACE: {ex.StackTrace}" : message;
            WriteLog(errorMessage, LogLevel.ERROR);
        }

        private static void WriteLog(string message, LogLevel level)
        {
            var logEntry = $"{DateTime.Now:yyyy-MM-dd HH:mm:ss} [{level}] {message}";

            lock (_lock)
            {
                if (_logToConsole)
                {
                    Console.WriteLine(logEntry);
                    if (level == LogLevel.ERROR) Console.WriteLine();
                }

                if (_logToFile)
                {
                    try
                    {
                        File.AppendAllText(_logFilePath, logEntry + Environment.NewLine);
                    }
                    catch (Exception ex)
                    {
                        Console.WriteLine($"Failed to write to log file: {ex.Message}");
                    }
                }
            }
        }

        private enum LogLevel
        {
            INFO,
            WARNING,
            ERROR
        }
    }
}