using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Mesnac.Action.ChemicalWeighing.FinishBatch.SaveHelper
{
    public class AlarmSaveHelper
    {
        /// <summary>
        /// 报警保存事件定义
        /// </summary>
        public static event EventHandler OnAlarmSave;
        public static event EventHandler OnAlarmSaveExtend;
        public static object sender = null;
        public static object senderExtend = null;
        private static int WordLength = 16;     //定义字长

        /// <summary>
        /// 保存报警信息
        /// </summary>
        public static void Save()
        {
            List<Entity.AlarmInfo> _alarmInfoList = Cache.CacheHelper.AlarmInfoList;
            List<Entity.SimpleAlarmInfo> _alarmBlockWordList = Cache.CacheHelper.BlockWordList;


            ICSharpCode.Core.LoggingService<AlarmSaveHelper>.Debug("报警参数-实时刷新自动保存报警...");

            #region 读取PLC的报警数据

            foreach (Entity.AlarmInfo info in _alarmInfoList)
            {
                Int16[] buff = null;
                if (BasePlcHelper.Instance.PlcRead(info.AlarmPLC, info.AlarmBlock, info.Start, info.Length, out buff))
                {
                    foreach(Entity.SimpleAlarmInfo sai in _alarmBlockWordList)
                    {
                        if (sai.AlramPLC == info.AlarmPLC && sai.AlarmBlock == info.AlarmBlock)      //匹配数据块
                        {
                            sai.AlarmData = buff[sai.AlarmAddress - info.Start];    //对起始字偏移，为当前字的报警值
                            sai.AlarmData = Mesnac.Basic.DataProcessor.Swap(sai.AlarmData); //注意：西门子PLC需要高低位转换
                        }
                    }
                }
                else
                {
                    ICSharpCode.Core.LoggingService<AlarmSaveHelper>.Warn(String.Format("从PLC读取报警数据失败:PLC={0},Block={1},Start={2},Len={3}", info.AlarmPLC, info.AlarmBlock, info.Start, info.Length));
                }
            }

            #endregion

            #region 保存报警数据

            foreach(Entity.SimpleAlarmInfo sai in _alarmBlockWordList)
            {
                int[] binaryAlarmData = Mesnac.Basic.DataProcessor.ParseBinaryValue(sai.AlarmData, WordLength);
                for (int i = 0; i < WordLength; i++)
                {
                    if (sai.IsSaveAlarm[i] == true && binaryAlarmData[i] == 0)
                    {
                        //更新报警状态
                        Entity.PmtAlarmInfo alarmInfo = Cache.CacheHelper.GetPmtAlarmInfoFromCache(sai.AlramPLC, sai.AlarmBlock, sai.AlarmAddress, i);
                        if (alarmInfo != null)
                        {
                            Alarm.AlarmHelper.UpdateAlarmLogData(alarmInfo.Alarm_ID,DateTime.Now.ToString());
                            //清除显示的报警列表信息
                            if(Global.PublicVar.Instance.AlarmStrList.Exists(x => x == alarmInfo.AlarmName))
                            {
                                Global.PublicVar.Instance.AlarmStrList.Remove(alarmInfo.AlarmName);
                                Global.PublicVar.Instance.isFlashFlag = true;
                                Global.PublicVar.Instance.isFlashFlagExtend = true;
                            }
                        }
                    }
                    if (binaryAlarmData[i] == 0)
                    {
                        sai.IsSaveAlarm[i] = false;
                    }
                    if (sai.IsSaveAlarm[i] == false && binaryAlarmData[i] == 1)
                    {
                        sai.IsSaveAlarm[i] = true;
                        //数据保存
                        Entity.PmtAlarmInfo alarmInfo = Cache.CacheHelper.GetPmtAlarmInfoFromCache(sai.AlramPLC, sai.AlarmBlock, sai.AlarmAddress, i);
                        if (alarmInfo != null)
                        {
                            Entity.LR_Alarmlog alarmLogData = new Entity.LR_Alarmlog();
                            alarmLogData.Equip_Code = alarmInfo.Equip_Code;
                            alarmLogData.Alarm_ID = alarmInfo.Alarm_ID;
                            alarmLogData.Alarm_OccurTime = DateTime.Now.ToString();
                            alarmLogData.Alarm_ClearTime = String.Empty;
                            alarmLogData.Alarm_Status = 1;
                            alarmLogData.Alarm_GUID = Guid.NewGuid().ToString().ToUpper();
                            Alarm.AlarmHelper.InsertAlarmLogData(alarmLogData);
                            Global.PublicVar.Instance.AlarmStrList.Add(alarmInfo.AlarmName);
                            Global.PublicVar.Instance.isFlashFlag = true;
                            Global.PublicVar.Instance.isFlashFlagExtend = true;
                        }
                    }
                }
            }

            #region 触发事件

            if (OnAlarmSave != null && Global.PublicVar.Instance.isFlashFlag)
            {
                OnAlarmSave(sender, System.EventArgs.Empty);
            }
            if (OnAlarmSaveExtend != null && Global.PublicVar.Instance.isFlashFlagExtend)
            {
                OnAlarmSaveExtend(senderExtend, System.EventArgs.Empty);
            }

            #endregion

            #endregion
        }
    }
}