using OrpaonEMS.Core.ChannelModel;
using OrpaonEMS.Core.EventHandMsg;
using OrpaonEMS.Core.Model;
using System;
using System.Threading.Channels;
using System.Threading.Tasks;

namespace OrpaonEMS.App.Models
{
    /// <summary>
    /// 报警单元
    /// </summary>
    public class AlarmCell
    {
        public AlarmCell(Channel<AlarmChannelData> channel, string content, string address, int level, ushort bitindex)
        {
            CurTimeInfo = new AlarmTimeInfo();

            Content = content;
            Address = address;
            Level = level;
            BitIndex = bitindex;
            AlarmChannel = channel;
        }

        /// <summary>
        /// 报警通道数据
        /// </summary>
        public Channel<AlarmChannelData> AlarmChannel { get; set; }

        /// <summary>
        /// 发布报警信息
        /// </summary>
        public event EventHandler<BmsAlarmCellEventHandMsg> PubBmsAlarmEventHandler;


        /// <summary>
        /// 报警状态
        /// </summary>
        public bool State { get; set; }

        /// <summary>
        /// 更新值 返回当前的报警状态 这个状态用于返回给PLC 用于屏蔽后面的报警数据
        /// </summary>
        /// <param name="value"></param>
        public void UpdateValue(bool value)
        {
            if (State == false && value == true)//初次触发报警为On时机
            {
                CurTimeInfo.StartTime = DateTime.Now;
                State = true;//报警开始
                // 需要异步执行吗？？？
                PubBmsAlarmEventHandler(this, new BmsAlarmCellEventHandMsg()
                {
                    AlarmLevel = Level,
                    AlarmContent = Content,
                    AlarmTime = DateTime.Now,
                    AlarmState = true
                });
                //return false;
            }
            else if (State == true && value == false)//报警结束 报警为OFF时机
            {
                CurTimeInfo.EndTime = DateTime.Now;
                State = false;

                PubBmsAlarmEventHandler(this, new BmsAlarmCellEventHandMsg()
                {
                    AlarmLevel = Level,
                    AlarmContent = Content,
                    AlarmTime = CurTimeInfo.StartTime,
                    AlarmState = false
                });

                //报警结束，可以采集数据
                AlarmChannel.Writer.WriteAsync(new AlarmChannelData()
                {
                    MsgTime = DateTime.Now,
                    alarmChannel = new AlarmChannel()
                    {
                        Content = Content,
                        StartTime = CurTimeInfo.StartTime,
                        EndTime = CurTimeInfo.EndTime,
                        AlarmDur = (decimal)CurTimeInfo.AlarmDur,
                        Level = Level,
                    }
                });
            }
        }


        /// <summary>
        /// 报警时间信息
        /// </summary>
        public AlarmTimeInfo CurTimeInfo { get; set; }



        /// <summary>
        /// 报警内容
        /// </summary>
        public string Content { get; set; }

        /// <summary>
        /// 地址
        /// </summary>
        public string Address { get; set; }

        /// <summary>
        /// 报警等级
        /// </summary>
        public int Level { get; set; }

        /// <summary>
        /// 索引位置 队列位位置
        /// </summary>
        public ushort BitIndex { get; set; }
    }
}