using IStation.Application;
using IStation.ChEr.Model;
using IStation.Service;
using Quartz;
using System.Data;
using static IStation.Service.SSAPredictHelper;

namespace IStation.ChEr.WebApi
{
    /// <summary>
    ///
    /// </summary>
    [DisallowConcurrentExecution]//此特性标识 必须等待这次任务执行完成后，才能执行下次任务
    public class CalcWaterPredictJob : IJob
    {
        /// <summary>
        /// /
        /// </summary>
        public CalcWaterPredictJob()
        {
        }

        private SSAPredictHelper _SSAPredictHelper = new SSAPredictHelper();
        private BLL.WaterPredictRecord _bll = new BLL.WaterPredictRecord();

        /// <summary>
        ///
        /// </summary>
        /// <param name="context"></param>
        /// <returns></returns>
        public Task Execute(IJobExecutionContext context)
        {
            if (DateTime.Now.Hour == 0 && DateTime.Now.Minute == 5)
            {
                insert2daysPredictData();
            }
            var TodayRealdataList = ConnectHelper.GetByPumpOneDayWaterData(DateTime.Today, DateTime.Today).Where(x => x.DateTime.Hour <= DateTime.Now.Hour).ToList();  //获取当前日期前今天的所有值
            LogHelper.Info("已找到当天时间前所有数据");
            int dayHour = int.Parse(string.Format("{0:00}{1:00}{2:00}", DateTime.Now.Month, DateTime.Now.Day, DateTime.Now.Hour));
            var TwoDaysList = _bll.GetEnd2Days(300);
            var select = TwoDaysList.Where(x => x.DayHour == dayHour).FirstOrDefault();
            if (TodayRealdataList.Last().DateTime.Hour == DateTime.Now.Hour && select != null)
            {
                try
                {
                    select.RealValue = TodayRealdataList.Last().Total;
                    select.LastPredictTime = DateTime.Now;
                    _bll.Update(select);
                }
                catch
                {
                    select.RealValue = -1;
                    _bll.Update(select);
                    LogHelper.Info("未能从众毅取到真实数据,时间:" + DateTime.Now.ToString());
                }
            }
            else
            {
                select.RealValue = -1;
                select.LastPredictTime = DateTime.Now;
                _bll.Update(select);
                LogHelper.Info("未能从众毅取到真实数据,时间:" + DateTime.Now.ToString());
            }
            var beforedata = TwoDaysList.Where(x => x.DayHour <= dayHour).Take(240).ToList();

            List<Tuple<DateTime, double>> tupleList = beforedata
    .Select(input =>
    {
        int month = input.DayHour / 10000; // 获取整数的万位数表示月份
        int day = (input.DayHour % 10000) / 100; // 获取整数的百位和十位表示日期
        int hour = input.DayHour % 100; // 获取整数的个位数表示小时
        DateTime dateTime = new DateTime(DateTime.Now.Year, month, day, hour, 0, 0);
        return Tuple.Create(dateTime, (double)input.RealValue);
    }).ToList(); //转换为SSA算法所需入参

            tupleList = tupleList.OrderBy(x => x.Item1).ToList();  //按照时间进行排序
            var predictdata = _SSAPredictHelper.Predict(tupleList, 3600, 10, 3600, (float)0.99, 24);
            var starthour = int.Parse(string.Format("{0:00}{1:00}{2:00}", DateTime.Now.Month, DateTime.Now.Day, 0));
            var endhour = int.Parse(string.Format("{0:00}{1:00}{2:00}", DateTime.Now.Month, DateTime.Now.Day, 23));
            var currentdata = TwoDaysList.Where(x => x.DayHour >= starthour && x.DayHour <= endhour).ToList();
            for (int i = 0; i < currentdata.Count; i++)
            {
                currentdata[i].LastPredictValue = Math.Round(predictdata[i].Total, 1);
                currentdata[i].LastPredictTime = DateTime.Now;
                currentdata[i].PredictValueList = currentdata[i].LastPredictValue.ToString() + "," + currentdata[i].PredictValueList;
            }
            _bll.BatSet(currentdata);
            LogHelper.Info("已经替换真实数据");
            return null;
        }

        //预测两天数据(今天和明天)
        public void insert2daysPredictData()
        {
            List<WaterPredictRecord> waterPredictRecords = new List<WaterPredictRecord>();
            List<SSAInput> ssaInput = new List<SSAInput>();

            var alllist = _bll.GetEnd2Days(300);
            var lastdaystarthour = int.Parse(string.Format("{0:00}{1:00}{2:00}", DateTime.Today.AddDays(-1).Month, DateTime.Today.AddDays(-1).Day, 0));
            var lastdayendhour = int.Parse(string.Format("{0:00}{1:00}{2:00}", DateTime.Today.AddDays(-1).Month, DateTime.Today.AddDays(-1).Day, 23));
            var selectList = alllist.Where(x => x.DayHour <= lastdayendhour).ToList();
            foreach (var item in selectList)
            {
                // 提取月份、日期和小时部分
                int month = item.DayHour / 10000; // 获取整数的万位数表示月份
                int day = (item.DayHour % 10000) / 100; // 获取整数的百位和十位表示日期
                int hour = item.DayHour % 100; // 获取整数的个位数表示小时

                // 构造 DateTime 对象
                DateTime dateTime = new DateTime(DateTime.Now.Year, month, day, hour, 0, 0);
                ssaInput.Add(new SSAInput { Time = dateTime, Value = (float)item.RealValue });
            }
            ssaInput = ssaInput.OrderBy(x => x.Time).ToList();
            List<Tuple<DateTime, double>> tupleList = ssaInput
      .Select(input => Tuple.Create(input.Time, (double)input.Value))
      .ToList();
            var predictdata = _SSAPredictHelper.Predict(tupleList, 3600, 10, 3600, (float)0.99, 48);
            /*            foreach (var item in predictdata)
                        {
                            int dayHour = int.Parse(string.Format("{0:00}{1:00}{2:00}", item.DateTime.Month, item.DateTime.Day, item.DateTime.Hour));
                            waterPredictRecords.Add(new WaterPredictRecord { DayHour = dayHour, PredictTime = DateTime.Now, LastPredictValue = item.Total });
                        }*/
            var list = alllist.Where(x => x.DayHour >= lastdaystarthour + 100 && x.DayHour <= lastdayendhour + 100).ToList();
            //找到今天所有的预测数据,并替换
            for (int i = 0; i < predictdata.Count; i++)
            {
                if (i < 24)
                {
                    list[i].LastPredictTime = DateTime.Now;
                    list[i].LastPredictValue = Math.Round(predictdata[i].Total, 1);
                    list[i].PredictValueList = list[i].LastPredictValue.ToString() + "," + list[i].PredictValueList;
                }
                else
                {
                    int dayHour = int.Parse(string.Format("{0:00}{1:00}{2:00}", predictdata[i].DateTime.Month, predictdata[i].DateTime.Day, predictdata[i].DateTime.Hour));
                    list.Add(new WaterPredictRecord { DayHour = dayHour, PredictTime = DateTime.Now, LastPredictValue = Math.Round(predictdata[i].Total, 1) });
                }
            }
            _bll.BatSet(list);
            LogHelper.Info("时间:" + DateTime.Now + "---预测今明两天数据");
        }
    }
}