using System;

namespace Plane.Logging
{
    public abstract class Logger : ILogger
    {
        private ILogger _loggerToDecorate;

        public Logger()
        {
        }

        public Logger(ILogger loggerToDecorate)
        {
            _loggerToDecorate = loggerToDecorate;
        }

        public void Log(Exception ex, Priority priority = Priority.High)
        {
            Log(ex.ToString(), Category.Exception, priority);
        }

        public void Log(string message, Category category = Category.Info, Priority priority = Priority.None)
        {
            _loggerToDecorate?.Log(message, category, priority);
            LogCore(message, category, priority);
        }

        public abstract string ReadLog();
       

        protected static string BuildStandardLogEntry(string message, Category category, Priority priority)
        {
            return $"--{category}-{priority}-{DateTime.Now.ToString("yyyyMMdd HH:mm:ss.fff")}--------------------{Environment.NewLine}{Environment.NewLine}{message}{Environment.NewLine}{Environment.NewLine}--<END>--{Environment.NewLine}{Environment.NewLine}";
        }

        protected abstract void LogCore(string message, Category category, Priority priority);
    }
}