namespace Website
{
    public abstract class Logger : ILogger
    {
        private static ILogger current = new EnterpriseLibrary.EntLibLogger();
        public static ILogger Current
        {
            get { return current; }
            set { current = value; }
        }

        public void Debug(string message)
        {
            Log(message, LogLevel.Debug);
        }
        public void Debug(string format, params object[] args)
        {
            Debug(string.Format(format, args));
        }

        public void Info(string message)
        {
            Log(message, LogLevel.Info);
        }
        public void Info(string format, params object[] args)
        {
            Warn(string.Format(format, args));
        }

        public void Warn(string message)
        {
            Log(message, LogLevel.Warn);
        }
        public void Warn(string format, params object[] args)
        {
            Warn(string.Format(format, args));
        }

        public void Error(string message)
        {
            Log(message, LogLevel.Error);
        }
        public void Error(string message, System.Exception exception)
        {
            Error(string.Format("{0}\n{1}", message, exception));
        }

        public void Fatal(string message)
        {
            Log(message, LogLevel.Fatal);
        }
        public void Fatal(string format, params object[] args)
        {
            Fatal(string.Format(format, args));
        }

        internal abstract void Log(string message, LogLevel level);

        internal enum LogLevel
        {
            Debug,
            Info,
            Warn,
            Error,
            Fatal
        }
    }
}