using EDosApiWrapper;
using GDNXFD.Data;
using GDNXFD.Data.Repositories;
using log4net;
using System;
using System.Collections.Generic;
using System.Linq;

namespace GDNXFD.Alert.Interpreter
{
    public class ElectricalCalculator
    {
        private ILog logger = LogManager.GetLogger("AppLog");
        
        private WindPowerStation station;
        private EDosProxy eDos;

        public ElectricalCalculator(WindPowerStation wt)
        {
            station = wt;
            eDos = EDosProxyFactory.Instance.Proxy;
        }

        /// <summary>
        /// 计算电气所有关联规则的值，并保存
        /// </summary>
        /// <returns>电气报警测点的值，关联到AlertRule表</returns>
        public void Calculate()
        {
            IList<AlertRuleInterpreter> interpreters = InterpreterFactory.Instance.GetInterpretersByElectricalId(station.Id);
            if (interpreters != null && interpreters.Count > 0)
            {
                logger.Debug("适用规则数：" + interpreters.Count);

                foreach(AlertRuleInterpreter ari in interpreters)
                {
                    logger.Debug("处理报警规则：" + ari.AlertRule.Expression);
                    ari.DataInfo = "";
                    bool ruleResult = ari.Interpret(station.Id, AlertObjectType.Electrical);
                    AlertSnap snap = AlertSnapRepository.GetAlertSnap(AlertObjectType.Electrical, station.Id, ari.AlertRule.EdnaValue);
                    if (ruleResult)
                    {
                        double interval = 0;
                        if (snap == null)
                        {
                            snap = AlertSnapFactory.CreateAlertSnap(ari.AlertRule, station);
                        }
                        else if (snap.IsOpened)
                        {
                            TimeSpan ts = DateTime.Now.Subtract((DateTime)snap.LastUpdateTime);
                            interval = ts.TotalHours;
                        }

                        if (snap.IsOpened == false || interval > 1)
                        {
                            snap.IsOpened = true;
                            snap.DataInfo = CommonMethod.StringCopy(ari.DataInfo, 2000);
                            snap.LastUpdatePerson = "system";
                            snap.LastUpdateTime = DateTime.Now;
                            if (snap.IsConfirmed == true && interval > 8)
                                snap.IsConfirmed = false;
                            AlertSnapRepository.SaveAlertSnap(snap);
                            //写实时库
                            string key = GetWindPowerStationAlertPoint(station.Id);
                            logger.InfoFormat("写报警测点,key={0}, value={1}", key, ari.AlertRule.EdnaValue);
                            eDos.SendSinglePoint(key, ari.AlertRule.EdnaValue);
                            logger.InfoFormat("触发报警！电气：{0}，{1}，规则：{2}，{3}",
                                station.Id, station.Name, ari.AlertRule.Id, ari.AlertRule.Expression);
                        }
                    }
                    else
                    {
                        //解除报警
                        if (snap != null && snap.IsOpened)
                        {
                            snap.IsOpened = false;
                            snap.DataInfo = CommonMethod.StringCopy(ari.DataInfo, 2000);
                            snap.IsConfirmed = false;
                            snap.LastUpdatePerson = "system";
                            snap.LastCloseTime = DateTime.Now;
                            AlertSnapRepository.SaveAlertSnap(snap);
                            logger.InfoFormat("解除报警！电气：{0}，{1}，规则：{2}，{3}",
                                station.Id, station.Name, ari.AlertRule.Id, ari.AlertRule.Expression);
                        }
                    }
                }
            }
        }

        private string GetWindPowerStationAlertPoint(string id)
        {
            string ret = WindPowerStationRepository.GetWindPowerStationPointId(id, "FJBJ3");
            return BuildPointId(ret);
        }

        private string BuildPointId(string PointID)
        {
            string[] ids = PointID.Split('.');
            if (ids != null && ids.Length == 3)
            {
                PointID = ids[1] + "_" + ids[2];
            }
            return PointID;
        }


    }
}