using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Text;
using ICSharpCode.Core;
using Mesnac.Action.Base;
using Mesnac.Basic;

namespace Mesnac.Action.ChemicalWeighing.Sys
{
    /// <summary>
    /// 定时器运行服务类
    /// </summary>
    public class TimerRunService
    {
        #region 字段定义

        private System.Timers.Timer _timer = null;
        private int _cnt = 0;           //重连计数器
        private SocketClient socketClientTest = new SocketClient();

        #endregion

        #region 单例实现

        private static TimerRunService _instance = null;

        private TimerRunService() { }

        public static TimerRunService Instance
        {
            get
            {
                if (_instance == null)
                {
                    _instance = new TimerRunService();
                }
                return _instance;
            }
        }

        #endregion

        #region 启动定时器运行服务
        /// <summary>
        /// 启动定时器运行服务
        /// </summary>
        public void Start()
        {
            if (this._timer == null)
            {
                this._timer = new System.Timers.Timer();
                this._timer.Interval = 1000;
                this._timer.Elapsed += new System.Timers.ElapsedEventHandler(_timer_Elapsed);
                this._timer.Start();
            }
        }
        #endregion

        #region 停止定时器运行服务
        /// <summary>
        /// 停止定时器运行服务
        /// </summary>
        public void Stop()
        {
            if (this._timer != null)
            {
                this._timer.Stop();
                this._timer.Dispose();
                this._timer = null;
                
            }
        }

        #endregion

        #region 定时器服务事件处理
        /// <summary>
        /// 定时器服务事件处理
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void _timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
        {
            lock (String.Empty)
            {
                this.SocketReConnect();
                this.ReceiveMsgProcess();
            }
        }


        #endregion

        #region 定时任务

        #region 定时检测Socket通断情况

        public void SocketReConnect()
        {
            #region 实现重连方法

            //if (_cnt >= 20)
            //{
            //    ICSharpCode.Core.LoggingService<TimerRunService>.Info("尝试重连失败，请检查服务器端！");
            //    _cnt = 0;
            //    return;
            //}
            //if (!SocketClient.Instance.connected)
            //{
            //    SocketClient.Instance.ReConnect();
            //    _cnt++;
            //    if (SocketClient.Instance.connected)
            //    {
            //        _cnt = 0;
            //    }
            //}

            #endregion


            #region 检测Socket是否在侦听，如果没有侦听，则重启侦听服务（每5次循环，检测一次端口占用）

            this._cnt++;
            if (this._cnt > 10)
            {
                if (!socketClientTest.connFlag)
                {
                    socketClientTest.ReConnect();
                }

                this._cnt = 0;
            }

            #endregion

        }

        #endregion

        #region 定时检测接收信息的情况，处理并下传

        public void ReceiveMsgProcess()
        {
            //判断 当接收到服务器端发送的有效信息时
            if (!string.IsNullOrEmpty(socketClientTest.receiveStr))
            {
                //处理下传
                bool downFlag = ChemicalWeighingPlc.PlcPlanHelper.ScanCodeDown(socketClientTest.receiveStr);

                socketClientTest.receiveStr = null;
            }
        }

        #endregion

        #endregion
    }
}