HealthMonitor/HealthMonitor.Service/Resolver/PregnancyHeartRateResolver.cs

using HealthMonitor.Common;
using HealthMonitor.Common.helper;
using HealthMonitor.Model.Service.Mapper;
using HealthMonitor.Service.Biz;
using HealthMonitor.Service.Biz.db;
using HealthMonitor.Service.Cache;
using HealthMonitor.Service.Etcd;
using HealthMonitor.Service.Resolver.Interface;
using HealthMonitor.Service.Sub;
using HealthMonitor.Service.Sub.Topic.Model;
using Microsoft.EntityFrameworkCore.Metadata;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using TelpoDataService.Util.Clients;
using TelpoDataService.Util.Entities.GpsLocationHistory;

namespace HealthMonitor.Service.Resolver
{
    public class PregnancyHeartRateResolver : IResolver
    {
        private readonly ILogger<PregnancyHeartRateResolver> _logger;
        private readonly TDengineService _serviceTDengine;

        private readonly DeviceCacheManager _deviceCacheMgr;
        private readonly IotApiService _serviceIotApi;


        private readonly AsyncLocal<string> _messageId = new();
        private readonly AsyncLocal<HisGpsHeartRate> _msgData = new();
        private readonly HttpHelper _httpHelper = default!;
        private readonly EtcdService _serviceEtcd;

        private readonly GpsLocationHistoryAccessorClient<HisGpsFetalHeartRate> _hisFetalHeartApiClient;



        public PregnancyHeartRateResolver(ILogger<PregnancyHeartRateResolver> logger, 
            HttpHelper httpHelper, EtcdService serviceEtcd, DeviceCacheManager deviceCacheMgr, 
            IotApiService iotApiService, TDengineService serviceDengine, GpsLocationHistoryAccessorClient<HisGpsFetalHeartRate> hisFetalHeartApiClient)
        { 
            _logger = logger;
            _httpHelper = httpHelper;
            _serviceEtcd = serviceEtcd;
            _serviceTDengine = serviceDengine;  
            _deviceCacheMgr = deviceCacheMgr;
            _serviceIotApi = iotApiService;
            _hisFetalHeartApiClient = hisFetalHeartApiClient;
        }

        public void SetResolveInfo(PackageMsgModel msg)
        {
            var topicHmPregnancyHeartRate = JsonConvert.DeserializeObject<TopicHmPregnancyHeartRate>(msg.DetailData.ToString()!);
            _messageId.Value = msg.MessageId;
            _msgData.Value = new HisGpsHeartRate()
            {
                HeartRateId = topicHmPregnancyHeartRate!.PregnancyHeartRateId,
                MessageId = topicHmPregnancyHeartRate!.MessageId,
                Serialno = topicHmPregnancyHeartRate!.Serialno,
                HeartRate= topicHmPregnancyHeartRate.PregnancyHeartRate,
                LastUpdate = DateTimeUtil.GetDateTimeFromUnixTimeMilliseconds(SafeType.SafeInt64(topicHmPregnancyHeartRate.LastUpdate) / 1000000),
                CreateTime = DateTimeUtil.GetDateTimeFromUnixTimeMilliseconds(SafeType.SafeInt64(topicHmPregnancyHeartRate.CreateTime) / 1000000),
                Method = topicHmPregnancyHeartRate!.Method,
                IsDisplay = topicHmPregnancyHeartRate!.IsDisplay ? 1 : 0
            };
        }
        public override string ToString()
        {
            return $"{nameof(PregnancyHeartRateResolver)}[{_messageId.Value}]";
        }

        public async Task ExecuteMessageAsync()
        {
            //throw new NotImplementedException();
            var messageId = _messageId.Value;
            var heartRate = _msgData.Value!;


            var watchConfig = await _deviceCacheMgr.GetGpsDeviceWatchConfigCacheObjectBySerialNoAsync(heartRate.Serialno, "0067");
            var isFetalHeartEnable = watchConfig != null && (int)watchConfig["enabled"]! == 1;

            if (isFetalHeartEnable)
            {
                #region 高频心率计算
                var phr = await _serviceTDengine.GetBySerialNoAsync<PregnancyHeartRateModel>(heartRate.Serialno, 7);
                if (phr.Count >= 30)
                {
                    // 获取最近的两个记录，并计算它们的 LastUpdate 时间差
                    var firstTwoPhr = phr.OrderByDescending(i => i.LastUpdate).Take(2).Select(i => i.LastUpdate).ToList();
                    var timeDiff = firstTwoPhr[0] - firstTwoPhr[1];

                    // 如果需要，将时间差转换为秒
                    var timeDiffInSeconds = timeDiff.TotalSeconds;
                    // 高频心率采样间隔
                    var highFreqSampleInterval = (int)watchConfig!["highFreqSampleInterval"]!;
                    // 触发高频监测的心率上限值
                    var triggerHighFreqHigh = (int)watchConfig["triggerHighFreqHigh"]!;
                    // 触发高频监测的心率下限值
                    var triggerHighFreqLow = (int)watchConfig["triggerHighFreqLow"]!;
                    //停止高频心率采样心率连续正常次数
                    var stopHighFreqSampleCount = (int)watchConfig["stopHighFreqSampleCount"]!;
                    // 高频心率采集时长 0 为持续采集，非零为高频心率的采集时长
                    var highFreqSampleTimes = (int)watchConfig["stopHighFreqSampleCount"]!;
                    // 告警上限阀值
                    var upperAlarmThreshold = (int)watchConfig["upperAlarmThreshold"]!;
                    // 告警下限阀值
                    var lowerAlarmThreshold= (int)watchConfig["lowerAlarmThreshold"]!;

                    // 高频心率启动
                    if (timeDiffInSeconds<=highFreqSampleInterval)
                    {
                       
                        var phrFreqstatus =await _deviceCacheMgr.GetPregnancyHeartRateFreqStatusAsync(heartRate.Serialno);
                        if (phrFreqstatus == null)
                        {
                            /// 设置高频状态
                            _logger.LogInformation($"进入高频心率启动状态 timeDiffInSeconds {timeDiffInSeconds},highFreqSampleInterval:{highFreqSampleInterval}");
                            // 设置高频状态
                            var freqFirstPhr= phr.OrderByDescending(i => i.Timestamp).First();
                            await _deviceCacheMgr.SetPregnancyHeartRateFreqStatusAsync(heartRate.Serialno, freqFirstPhr);
                            phrFreqstatus = await _deviceCacheMgr.GetPregnancyHeartRateFreqStatusAsync(heartRate.Serialno);
                        }
                        /// phr  PregnancyHeartRate 连续连续正常次数个值都是正常(大于等于triggerHighFreqLow，少于等于triggerHighFreqHig),
                        /// 取连续正常次数正常值的平均值,推送到api/v1/open/OpenIot/SetFetalHeartRateConfig
                        #region 检查是否连续12个值都是正常的
                        // 获取最近连续正常次数个心率记录
                        var lastPhr = phr.OrderByDescending(i => i.Timestamp).Take(stopHighFreqSampleCount).ToList();

                        // 检查是否连续12个值都是正常的
                        if (lastPhr.All(i => i.PregnancyHeartRate >= triggerHighFreqLow && i.PregnancyHeartRate <= triggerHighFreqHigh))
                        {
                            var avgPhr = lastPhr.Select(i => i.PregnancyHeartRate).Average();
                            // 计算一般心率得到胎心系数
                            await SaveAndPushFetalHeartRateAsync(heartRate, upperAlarmThreshold, lowerAlarmThreshold, avgPhr);

                        }
                        #endregion
                    }
                    // 高频心率结束
                    else
                    {
                        var phrFreqstatus = await _deviceCacheMgr.GetPregnancyHeartRateFreqStatusAsync(heartRate.Serialno);
                        if (phrFreqstatus != null)
                        {
                            /// 在highFreqSampleTimes=0一直异常(大于等于triggerHighFreqLow，少于等于triggerHighFreqHig),
                            /// 取所有值的平均值，推送胎心数据到api/v1/open/OpenIot/SetFetalHeartRateConfig
                            if (highFreqSampleTimes==0)
                            {
                                // if (phr.OrderByDescending(i => i.Timestamp)
                                //.Where(i => i.Timestamp >= phrFreqstatus?.Timestamp)
                                //.Skip(1) // 去除首条
                                //.All(i => i.PregnancyHeartRate < triggerHighFreqLow || i.PregnancyHeartRate > triggerHighFreqHig))
                                // {
                                //     var avgPhr = phr.Select(i => i.PregnancyHeartRate).Average();

                                //     // 推送胎心数据到 api/v1/open/OpenIot/SetFetalHeartRateConfig
                                //     // 计算一般心率得到胎心系数
                                // }

                                var avgPhr = phr.OrderByDescending(i => i.Timestamp)
                                       .Where(i => i.Timestamp >= phrFreqstatus?.Timestamp)
                                       .Skip(1) // 去除首条
                                       .Where(i => i.PregnancyHeartRate < triggerHighFreqLow || i.PregnancyHeartRate > triggerHighFreqHigh)
                                       .Select(i => i.PregnancyHeartRate).Average();
                                // 推送胎心数据到 api/v1/open/OpenIot/SetFetalHeartRateConfig
                                // 计算一般心率得到胎心系数
                                await SaveAndPushFetalHeartRateAsync(heartRate, upperAlarmThreshold, lowerAlarmThreshold, avgPhr);

                            }

                            /// 在highFreqSampleTimes>0一直异常(大于等于triggerHighFreqLow，少于等于triggerHighFreqHig),
                            /// 取所有值的平均值，推送胎心数据到api/v1/open/OpenIot/SetFetalHeartRateConfig
                            if (highFreqSampleTimes > 0 && heartRate.LastUpdate >= (phrFreqstatus?.LastUpdate + TimeSpan.FromSeconds(highFreqSampleTimes)))
                            {

                                var avgPhr = phr
                                      .Where(i => i.Timestamp >= phrFreqstatus?.Timestamp)
                                      .Skip(1) // 去除首条
                                      .Where(i => i.PregnancyHeartRate < triggerHighFreqLow || i.PregnancyHeartRate > triggerHighFreqHigh)
                                      .Select(i => i.PregnancyHeartRate).Average();
                                // 推送胎心数据到 api/v1/open/OpenIot/SetFetalHeartRateConfig
                                // 计算一般心率得到胎心系数
                                await SaveAndPushFetalHeartRateAsync(heartRate, upperAlarmThreshold, lowerAlarmThreshold, avgPhr);
                            }

                            // 删除高频状态的首条记录
                            await _deviceCacheMgr.DelPregnancyHeartRateFreqStatusAsync(heartRate.Serialno);

                            /// 设置高频状态
                            _logger.LogInformation($"结束高频心率状态 timeDiffInSeconds {timeDiffInSeconds},highFreqSampleInterval:{highFreqSampleInterval}");
                        }
                    }
                }
                #endregion
            }

            #region 定时下发触发器
            var key = $"health_monitor/schedule_push/pregnancy_heart_rate/imei/{heartRate.Serialno}";
            var schedule_push = await _serviceEtcd.GetValAsync(key).ConfigureAwait(false);

            if (string.IsNullOrWhiteSpace(schedule_push))
            {
                // 注册首次下推
#if DEBUG
                //  await _serviceEtcd.PutValAsync(key, result, 60*1, false).ConfigureAwait(false);

                var interval = 0;
                // 获取当前时间
                DateTime now = DateTime.Now;

                // 计算距离下一个$interval天后的8点的时间间隔
                DateTime nextRunTime = new DateTime(now.Year, now.Month, now.Day, now.Hour, now.Minute + 1, 58).AddDays(interval);
                TimeSpan timeUntilNextRun = nextRunTime - now;

                // 如果当前时间已经超过了8点，将等待到明天后的8点
                if (timeUntilNextRun < TimeSpan.Zero)
                {
                    timeUntilNextRun = timeUntilNextRun.Add(TimeSpan.FromMinutes(1));
                    nextRunTime += timeUntilNextRun;
                }
                var ttl = (long)timeUntilNextRun.TotalSeconds;
                var data = new
                {
                    imei = heartRate.Serialno,
                    create_time = now.ToString("yyyy-MM-dd HH:mm:ss"),
                    ttl,
                    next_run_time = nextRunTime.ToString("yyyy-MM-dd HH:mm:ss")
                };
                var result = JsonConvert.SerializeObject(data);
                await _serviceEtcd.PutValAsync(key, result, ttl, false).ConfigureAwait(false);

#else

                var interval = 0;
                // 获取当前时间
                DateTime now = DateTime.Now;
                var rand=new Random();  
                var pushSec = rand.Next(59);
                int pushMin= int.TryParse(heartRate.Serialno.AsSpan(heartRate.Serialno.Length - 1), out pushMin) ? pushMin : 10;
                // 计算距离下一个$interval天后的8点的时间间隔
                DateTime nextRunTime = new DateTime(now.Year, now.Month, now.Day, 18, pushMin, pushSec).AddDays(interval);
                TimeSpan timeUntilNextRun = nextRunTime - now;

                
                if (timeUntilNextRun < TimeSpan.Zero)
                {
                    timeUntilNextRun = timeUntilNextRun.Add(TimeSpan.FromDays(1));
                    nextRunTime += TimeSpan.FromDays(1);
                }

                var ttl =(long)timeUntilNextRun.TotalSeconds;
                var data = new
                {
                    imei = heartRate.Serialno,
                    create_time = now.ToString("yyyy-MM-dd HH:mm:ss"),
                    ttl,
                    next_run_time = nextRunTime.ToString("yyyy-MM-dd HH:mm:ss")
                };
                var result = JsonConvert.SerializeObject(data);
                await _serviceEtcd.PutValAsync(key, result,ttl, false).ConfigureAwait(false);
#endif

            }

            #endregion
        }

        private async Task SaveAndPushFetalHeartRateAsync(HisGpsHeartRate heartRate, int upperAlarmThreshold, int lowerAlarmThreshold, double avgPhr)
        {
            var commonPHR = await _serviceTDengine.InitPregnancyCommonHeartRateModeAsync(heartRate.Serialno);
            if (commonPHR != null)
            {
                // 保存到TDengine数据库
                await _serviceTDengine.InsertAsync<PregnancyCommonHeartRateModel>("hm_pchr", commonPHR);
                // 计算胎心=孕妇心率*系数
                var fetalHeartRate = SafeType.SafeInt(avgPhr * commonPHR?.StatModeAvgFprCoefficient!);
                var sampleTime = DateTimeUtil.ConvertToTimeStamp(DateTime.Now).ToString();
                var isAbnormal = fetalHeartRate > upperAlarmThreshold ? 1 : (fetalHeartRate < lowerAlarmThreshold ? 2 : 0);

                // 保存到 数据服务 MySQL 数据库
                HisGpsFetalHeartRate gpsFetalHeartRate = new ()
                {
                    FetalHeartRateId = Guid.NewGuid().ToString("D"),
                    PersonId = commonPHR!.PersonId,
                    Serialno = heartRate.Serialno,
                    HeartRate = fetalHeartRate,
                    SampleTime = sampleTime,
                    IsAbnormal = isAbnormal,
                    StatStartTime = commonPHR.StatStartTime,
                    StatEndTime = commonPHR.StatEndTime,
                    CreateTime = DateTime.Now,
                    Method = 1,
                    IsDisplay = 1,
                    DeviceKey = commonPHR!.DeviceKey
                };
                await _hisFetalHeartApiClient.AddAsync(gpsFetalHeartRate).ConfigureAwait(false);

                // 推送到api/v1/open/OpenIot/SetFetalHeartRateConfig
                await _serviceIotApi.SetFetalHeartRateConfig(heartRate.Serialno, fetalHeartRate, sampleTime, isAbnormal);
            }
        }
    }
}