using NLog;

namespace Procurement.Core
{
    /// <summary>
    /// Nlog日志帮助类
    /// </summary>
    public class NLogHelper
    {
        #region 初始化
        readonly Logger _logger;

        private NLogHelper(Logger logger)
        {
            this._logger = logger;
        }

        /// <summary>
        /// 自定义Logger,否则用默认的GetCurrentClassLogger
        /// </summary>
        /// <param name="name"></param>
        public NLogHelper(string name) : this(LogManager.GetLogger(name))
        {
        }

        /// <summary>
        /// 默认 ${logger} (Default 文件夹下)
        /// </summary>
        public static NLogHelper Default { get; private set; }
        static NLogHelper()
        {
            Default = new NLogHelper(LogManager.GetCurrentClassLogger());
        }
        #endregion

        /// <summary>
        /// 写日志
        /// </summary>
        /// <param name="type">类别</param>
        /// <param name="action">动作</param>
        /// <param name="message">消息</param>
        public void Info(string type, string action, string message)
        {
            Log(LogLevel.Info, type, action, message);
        }

        /// <summary>
        /// 写错误日志
        /// </summary>
        /// <param name="type">类别</param>
        /// <param name="action">动作</param>
        /// <param name="message">消息</param>
        public void Error(string type, string action, string message)
        {
            Log(LogLevel.Error, type, action, message);
        }

        private void Log(LogLevel level, string type, string action, string message)
        {
            LogEventInfo lei = new LogEventInfo();
            lei.Properties["Type"] = type;
            lei.Properties["Action"] = action;
            lei.Message = message;
            lei.Level = level;
            _logger.Log(lei);
        }
    }
}