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 WindTurbineCalculator
    {
        private ILog logger = LogManager.GetLogger("AppLog");

        private WindTurbine windTurbine;
        private EDosProxy eDos;

        public WindTurbineCalculator(WindTurbine wt)
        {
            windTurbine = wt;
            eDos = EDosProxyFactory.Instance.Proxy;
        }

        /// <summary>
        /// 计算风机所有关联规则的值，并保存
        /// </summary>
        /// <returns>风机报警测点的值，关联到AlertRule表</returns>
        public void Calculate()
        {
            IList<AlertRuleInterpreter> interpreters = InterpreterFactory.Instance.GetInterpretersByWindturbineId(windTurbine.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(windTurbine.Id, AlertObjectType.WindTurbine);
                    AlertSnap snap = AlertSnapRepository.GetAlertSnap(AlertObjectType.WindTurbine, windTurbine.Id, ari.AlertRule.EdnaValue);
                    if (ruleResult)
                    {
                        double interval = 0;
                        if (snap == null)
                        {
                            snap = AlertSnapFactory.CreateAlertSnap(ari.AlertRule, windTurbine);
                        }
                        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 = GetWindTurbineAlertPoint(windTurbine.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！风机：{0}，{1}，规则：{2}，{3}",
                                windTurbine.Id, windTurbine.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.LastClosePerson = "system";
                            snap.LastCloseTime = DateTime.Now;
                            AlertSnapRepository.SaveAlertSnap(snap);
                            logger.InfoFormat("解除报警！风机：{0}，{1}，规则：{2}，{3}",
                                windTurbine.Id, windTurbine.Name, ari.AlertRule.Id, ari.AlertRule.Expression);
                        }
                    }
                }

            }
        }

        private string GetWindTurbineAlertPoint(string windTurbineId)
        {
            string ret;
            WindTurbineTestingPointAI point = DataCache.Instance.WindTurbineAlertPoints
                .Where(q => q.WindturbineId == windTurbineId)
                .FirstOrDefault();
            if (point == null)
            {
                ret = WindTurbineRepository.GetWindTurbineAIPointId(windTurbineId, "FJBJ3");
                if (ret == null)
                    logger.InfoFormat("风机{0}没有首出报警测点", windTurbineId);
            }
            else
                ret = point.Id;

            return BuildPointId(ret);
        }

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

            return PointID;
        }


    }
}