using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.Text;
using System.Threading.Tasks;


using NLog;
using NLog.Fluent;


using ServerCore; using ServerBase;


namespace ServerBase;

public class NLogAppender : IAppender
{
	private readonly NLog.Logger m_logger = NLog.LogManager.GetLogger("BusinessLogger");

	public NLogAppender(string xmlCofigFilePath = "") 
	{
		if(true == xmlCofigFilePath.isNullOrWhiteSpace())
		{
			return;
		}

		reconfigureXML(xmlCofigFilePath);
	}

	public bool reconfigureXML(string xmlCofigFilePath)
	{
		var to_reload_configure = new NLog.Config.XmlLoggingConfiguration(xmlCofigFilePath);
		if(null == to_reload_configure)
		{
			return false;
		}

		LogManager.Configuration = to_reload_configure;
		LogManager.ReconfigExistingLoggers();
	
		return true;
	}

	public bool isLoadedConfigXML()
	{
		if(null == LogManager.Configuration)
		{
			return false;
		}

		return true;
	}

	public override void write(IFormatter logFormatter, BusinessLog log)
	{
		m_logger?.Info(logFormatter.toLogString(log));
	}
}