using Prism.Mvvm;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace OrpaonEMS.Core.Model
{
    /// <summary>
    /// 连接状态模型
    /// 有些设备有时候会出现一次连接失败，但是下一次就会连接成功，那么不能判断为连接失败
    /// </summary>
    public class LinkStateModel : BindableBase
    {
        public LinkStateModel()
        {
            _LinkState = true;
        }


        private string _BmsLinkStateMsg = "失败";
        /// <summary>
        /// Bms通信状态Msg
        /// </summary>
        public string BmsLinkStateMsg
        {
            get { return _BmsLinkStateMsg; }
            set { _BmsLinkStateMsg = value; RaisePropertyChanged(); }
        }


        private bool _LinkState;
        /// <summary>
        /// 通信连接状态
        /// </summary>
        public bool LinkState
        {
            get { return _LinkState; }
            set
            {
                if (_LinkState != value)
                {
                    if (value)//改变后连接成功
                    {
                        //连接成功了就把报错的设置为0
                        LinkErrCount = 0;
                        BmsLinkStateMsg = "正常";
                        _LinkState = value;
                    }
                    else//改变后连接失败
                    {
                        //
                        LinkErrCount = LinkErrCount + 1;
                        if (LinkErrCount >= 3)//连续达到三次算作报错
                        {
                            BmsLinkStateMsg = "失败";
                            //连接失败
                            _LinkState = false;
                        }
                        else
                        {
                            //小于三次的话则判定为没有问题
                            _LinkState = true;
                        }

                    }
                }
            }
        }

        /// <summary>
        /// 通信连接失败次数
        /// </summary>
        public int LinkErrCount { get; set; }
    }

}