using System;
using System.Collections.Generic;
using NewLife.Collections;
using NewLife.Data;
using NewLife.Log;
using NewLife.Model;
using NewLife.Net.Handlers;

namespace NewLife.Remoting
{
    /// <summary>Api主机</summary>
    public abstract class ApiHost : DisposeBase, IApiHost, IExtend3
    {
        #region 属性
        /// <summary>名称</summary>
        public String Name { get; set; }

        /// <summary>编码器</summary>
        public IEncoder Encoder { get; set; }

        /// <summary>调用超时时间。请求发出后，等待响应的最大时间，默认15_000ms</summary>
        public Int32 Timeout { get; set; } = 15_000;

        /// <summary>慢追踪。远程调用或处理时间超过该值时，输出慢调用日志，默认5000ms</summary>
        public Int32 SlowTrace { get; set; } = 5_000;

        /// <summary>用户会话数据</summary>
        public IDictionary<String, Object> Items { get; set; } = new NullableDictionary<String, Object>();

        /// <summary>获取/设置 用户会话数据</summary>
        /// <param name="key"></param>
        /// <returns></returns>
        public virtual Object this[String key] { get => Items[key]; set => Items[key] = value; }

        /// <summary>启动时间</summary>
        public DateTime StartTime { get; set; } = DateTime.Now;
        #endregion

        #region 方法
        /// <summary>获取消息编码器。重载以指定不同的封包协议</summary>
        /// <returns></returns>
        public virtual IHandler GetMessageCodec() => new StandardCodec { Timeout = Timeout, UserPacket = false };
        #endregion

        #region 日志
        /// <summary>日志</summary>
        public ILog Log { get; set; } = Logger.Null;

        /// <summary>编码器日志</summary>
        public ILog EncoderLog { get; set; } = Logger.Null;

        /// <summary>显示调用和处理错误。默认false</summary>
        public Boolean ShowError { get; set; }

        /// <summary>写日志</summary>
        /// <param name="format"></param>
        /// <param name="args"></param>
        public void WriteLog(String format, params Object[] args) => Log?.Info(Name + " " + format, args);

        /// <summary>已重载。返回具有本类特征的字符串</summary>
        /// <returns>String</returns>
        public override String ToString() => Name;
        #endregion
    }
}