using NLog;
using NLog.Targets;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SKMC.Api.Common.Logger
{
    /// <summary>
    /// NLog 扩展
    /// </summary>
    public class LoggingProductionTarget: TargetWithLayout
    {
        static readonly int LOGVIEW_MAXLINE = 1000;

        private readonly LogDataService logDataService = LogDataService.Instance();

        protected override void Write(LogEventInfo loggingEvent)
        {
            logDataService.LogProductionModels.Insert(0, new LoggingEventModel(loggingEvent));

            if (logDataService.LogProductionModels.Count == LOGVIEW_MAXLINE)
            {
                logDataService.LogProductionModels.RemoveAt(LOGVIEW_MAXLINE - 1);
            }
        }
    }
}