using DevExpress.Utils.About;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Data.Entity;
using System.Linq;
using System.Security.Policy;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Documents;
using XdCxRhDW.Dto;
using XdCxRhDW.Entity;
using XdCxRhDW.Repostory;

namespace XdCxRhDW.App
{
    /// <summary>
    /// 两星一地定位取参考
    /// </summary>
    public class X2D1PosHandle
    {

        public int TaskId;
        //十分钟时间内的数据
        private int TimeSeconds = 30 * 60;//十分钟
        private bool isRuning = true;

        BlockingCollection<X2D1NoXlNoParlPosDto> posItems = new BlockingCollection<X2D1NoXlNoParlPosDto>();
        public X2D1PosHandle(int taskId)
        {
            TaskId = taskId;
            StartMonitor();
        }

        public void StartMonitor()
        {
            Task.Run(async () =>
            {

                while (isRuning)
                {
                    try
                    {
                        var dto = posItems.Take();
                        FixedStation fixedStation;
                        int fixedStationId = dto.FixedStationId.HasValue ? dto.FixedStationId.Value : 0;
                        using (RHDWContext db = new RHDWContext())
                        {
                            fixedStation = await db.FixedStation.FirstOrDefaultAsync(f => f.ID == dto.FixedStationId.Value);
                        }
                        if (fixedStation == null)//没有固定站
                        {
                            SendX2D1NoXlNoParAsync(dto);
                            continue;
                        }
                        using (RHDWPartContext db = RHDWPartContext.GetContext(dto.SigTime, true))
                        {
                            DateTime min = dto.SigTime.AddSeconds(-TimeSeconds);
                            DateTime max = dto.SigTime.AddSeconds(TimeSeconds);
                            //获取设定分钟之内的固定站数据
                            var cgResRefs = await db.CgRes.Where(m => m.TaskID == dto.TaskID && m.FixedStationID == dto.FixedStationId && m.SigTime >= min && m.SigTime <= max).OrderBy(d => d.SigTime).ToListAsync();

                            List<CgRes> matchCgList = new List<CgRes>();
                            cgResRefs.ForEach(c =>
                            {
                                if ((dto.SigTime - c.SigTime).TotalSeconds <= TimeSeconds)
                                {
                                    matchCgList.Add(c);
                                }
                            });
                            var cgOrderList = matchCgList.OrderBy(d => d.SigTime).ToList();
                            var point1 = cgOrderList.Where(c => c.SigTime <= dto.SigTime).FirstOrDefault();
                            var point2 = cgOrderList.Where(c => c.SigTime >= dto.SigTime).FirstOrDefault();

                            if (point1 == null || point2 == null)//若参考频点未出结果，查找目标信号出
                            {
                                bool isTarAny = await db.CgRes.AnyAsync(m => m.TaskID == dto.TaskID && m.TarFreqUp.HasValue&&m.TarFreqUp.Value== fixedStation.FreqUpHz &&  m.SigTime >= dto.SigTime);
                                if (!isTarAny)//目标未出结果
                                {
                                    Append(dto);
                                    continue;
                                }
                            }
                            bool isSucces = false;
                            if (point1 != null && point2 != null)
                            {
                                //通过双星时差及超短波时差怎么计算参考信息的时差
                                double refDto = LinearInterpolation.CalSigTimeDto(dto.SigTime, point1.SigTime, point2.SigTime, point1.Dto1.Value, point2.Dto1.Value);
                                double refDtoCdb = LinearInterpolation.CalSigTimeDto(dto.SigTime, point1.SigTime, point2.SigTime, point1.DtoCdb.Value, point2.DtoCdb.Value);

                                //执行两星一地有参定位
                                X2D1NoXlPosDto X2D1NoXlPosDto = new X2D1NoXlPosDto()
                                {
                                    SigTime = dto.SigTime,
                                    MainCode = dto.MainCode,
                                    AdjaCode = dto.AdjaCode,
                                    SxDto = dto.SxDto,
                                    XdDto = dto.XdDto,
                                    MainYbDto = refDto,
                                    AdjaYbDto = refDtoCdb,
                                    SatTxLon = dto.SatTxLon,
                                    SatTxLat = dto.SatTxLat,
                                    CdbTxLon = dto.CdbTxLon,
                                    CdbTxLat = dto.CdbTxLat,
                                    RefLon = fixedStation.Lon,
                                    RefLat = fixedStation.Lat,
                                    FreqDown = dto.FreqDown,
                                    FreqUp = dto.FreqUp,
                                    XdDfo = dto.XdDfo,
                                    XdSnr = dto.XdSnr,
                                    SxDfo = dto.SxDfo,
                                    SxSnr = dto.SxSnr,
                                    CalcConfidence = true,
                                    TheoryDfoCalc = true,
                                };
                                var result = await HttpHelper.PostRequestAsync<PosResDto>(SysConfig.GetUrl("Pos/PosX2D1NoXlAsync"), X2D1NoXlPosDto);
                                if (result.code != 200)
                                {
                                    isSucces = false;
                                    Serilog.Log.Error($"{dto.SigTime:yyyy-MM-dd HH:mm:ss}两星一地有参定位失败{result.msg}");
                                }
                                else
                                {
                                    isSucces = true;
                                    Serilog.Log.Error($"{dto.SigTime:yyyy-MM-dd HH:mm:ss}两星一地有参定位完成{result.msg}");
                                }
                                if (isSucces && result.data.PosLon == 999)
                                {
                                    isSucces = false;
                                }

                            }
                            if (!isSucces)
                            {
                                SendX2D1NoXlNoParAsync(dto);
                            }

                        }
                    }
                    catch (Exception ex)
                    {
                        Serilog.Log.Error(ex, $"【取参考信号流程异常{ex.Message}");
                    }

                }
            });
        }

        /// <summary>
        /// 发送两星一地无参定位
        /// </summary>
        /// <param name="dto"></param>
        private async void SendX2D1NoXlNoParAsync(X2D1NoXlNoParlPosDto dto)
        {
            dto.BeFindRef = false;
            dto.FixedStationId = null;
            var result = await HttpHelper.PostRequestAsync<PosResDto>(SysConfig.GetUrl("Pos/PosX2D1NoXlNoParAsync"), dto);
            if (result.code != 200)
            {
                Serilog.Log.Error($"{dto.SigTime:yyyy-MM-dd HH:mm:ss}两星一地无参定位失败{result.msg}");

            }
            else
            {
                Serilog.Log.Error($"{dto.SigTime:yyyy-MM-dd HH:mm:ss}两星一地无参定位完成{result.msg}");
            }
        }
        public void Append(X2D1NoXlNoParlPosDto dto)
        {
            bool ret = posItems.TryAdd(dto);
            if (!ret)
            {
                Serilog.Log.Error($"【任务{dto.TaskID}】添加取参考Dto");
            }
        }

        public void Stop()
        {
            //当前任务停止处理
            isRuning = false;
        }
    }
}