using System;
using System.IO;
using System.Text;
using System.Collections.Generic;

namespace ln.logging
{
    class LoggingWriter : TextWriter
    {
        Logger logger;
        LogLevel level;

        List<char> linebuffer = new List<char>();

        public LoggingWriter(Logger logger, LogLevel level = LogLevel.INFO)
        {
            this.logger = logger;
            this.level = level;
        }

        public override void Write(char value)
        {
            if (value == '\n')
            {
                logger.Log(level, new String(linebuffer.ToArray()));
                linebuffer.Clear();
            }
            else
            {
                linebuffer.Add(value);
            }
        }

        public override void WriteLine(string format, params object[] args)
        {
            logger.Log(level, format, args);
        }

        public override Encoding Encoding
        {
            get
            {
                return Encoding.UTF8;
            }
        }
    }
}