using Microsoft.Extensions.Logging;
using Org.BouncyCastle.Utilities;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using YunDa.Server.ISMSTcp.Domain;
using YunDa.Server.ISMSTcp.Interfaces;

namespace YunDa.Server.ISMSTcp.Services
{
    public class ZzDataPoint
    {
        public DateTime TimeStamp { get; set; }
        public double Value { get; }
        public string ValueStr { get; }

        public ZzDataPoint(DateTime time, double value, string valueStr)
        {
            TimeStamp = time;
            Value = value;
            ValueStr = valueStr;
        }
    }

    public class ZzData
    {
        public TimeSpan Retention { get; set; }
        public string Id { get; set; } = string.Empty;
        public string Name { get; set; } = string.Empty;
        public int? DispatcherAddress { get; set; } = null;

        /////////////////////////////////////////////////////////////////////////////////////
        public double Value { get; set; }
        public string ValueStr { get; set; } = string.Empty;
        public DateTime TimeStamp { get; set; }

        /////////////////////////////////////////////////////////////////////////////////////

        private readonly ConcurrentQueue<(DateTime time, ZzDataPoint point)> _queue = new ConcurrentQueue<(DateTime time, ZzDataPoint point)>();



        public ZzData(int minutes, string id, string name, int dispatcherAddress)
        {
            Retention = TimeSpan.FromMinutes(minutes);
            Id = id;
            Name = name;
            DispatcherAddress = dispatcherAddress;
        }


        public void AddData(ZzDataPoint point)
        {
            DateTime now = DateTime.Now;

            point.TimeStamp = now;  //2025-11-18 用当前时间（临时修改）

            _queue.Enqueue((now, point));

            TimeStamp = point.TimeStamp; 
            Value = point.Value;
            ValueStr = point.ValueStr;

            CleanupOldData();
        }

        private void CleanupOldData()
        {
            DateTime limit = DateTime.Now - Retention;
            while (_queue.TryPeek(out var dp) && dp.time < limit)
            {
                _queue.TryDequeue(out _);
            }
        }

        public List<ZzDataPoint> GetData(DateTime start, DateTime end)
        {
            return _queue.Where(dp => dp.point.TimeStamp >= start && dp.point.TimeStamp <= end)
                .Select(x => x.point)
                .ToList();
        }
    }


    public class ZzDataRequestModel
    {
        public List<string> Id { get; set; }
        public int Times { get; set; }
        public int TimeWindowType { get; set; }
    }

    public class ZzDataResultModel
    {
        public string Id { get; set; } = string.Empty;
        public string Name { get; set; } = string.Empty;
        public int? DispatcherAddress { get; set; } = null;
        public double Value { get; set; }
        public string ValueStr { get; set; } = string.Empty;
        public DateTime TimeStamp { get; set; } = DateTime.MinValue;

        public List<ZzDataPoint> Data { get; set; } = new List<ZzDataPoint>();

        public ZzDataResultModel()
        {

        }
        public ZzDataResultModel(ZzData data)
        {
            Id = data.Id;
            Name = data.Name;
            Value = data.Value;
            ValueStr = data.ValueStr;
            TimeStamp = data.TimeStamp;
            DispatcherAddress = data.DispatcherAddress;
        }
    }

    public class ZzDataHistoryModel
    {
        public string Id { get; set; } = string.Empty;
        public string Name { get; set; } = string.Empty;
    }
    public class ZzDataCacheContainer
    {
        private readonly ConcurrentDictionary<string, ZzData> _datas = new ConcurrentDictionary<string, ZzData>();

        private readonly int _cleanupMinutes = 5;

        public ZzDataCacheContainer(int cleanupMinutes)
        {
            _cleanupMinutes = cleanupMinutes;
        }

        public void Write(string id, double val, DateTime time, string name)
        {
            var data = _datas.GetOrAdd(id, _ => new ZzData(_cleanupMinutes, id, name, 0));

            data.AddData(new ZzDataPoint(time, val, ""));
        }

        public void Write(string id, double val, DateTime time, string name, string valStr)
        {
            var data = _datas.GetOrAdd(id, _ => new ZzData(_cleanupMinutes, id, name, 0));

            data.AddData(new ZzDataPoint(time, val, valStr));
        }

        public void Write(string id, double val, DateTime time, string name, string valStr, int dispatcherAddress)
        {
            //if (id == "YCB001101001")
            //{
            //    int kk = 0;
            //}
            var data = _datas.GetOrAdd(id, _ => new ZzData(_cleanupMinutes, id, name, dispatcherAddress));

            data.AddData(new ZzDataPoint(time, val, valStr));
        }

        public Dictionary<string, ZzDataResultModel> Read(List<string> ids, DateTime start, DateTime end)
        {
            var result = new Dictionary<string, ZzDataResultModel>();

            foreach (var id in ids)
            {

                //if (id == "YCB001101001")
                //{
                //    int kk = 0;
                //}

                if (_datas.TryGetValue(id, out var channel))
                {
                    ZzDataResultModel data = new ZzDataResultModel(channel);
                    data.Data = channel.GetData(start, end);

                    if(data.Data.Count == 0 && data.TimeStamp != DateTime.MinValue)
                    {
                        ZzDataPoint zzDataPoint = new ZzDataPoint(DateTime.Now, data.Value, data.ValueStr);

                        data.Data.Add(zzDataPoint);
                    }

                    result[id] = data;

                }
            }

            return result;
        }

        public async Task<List<ZzDataResultModel>> Read(List<string> ids, int seconds, int timeWindowType, CancellationToken cancellationToken, DateTime now = default)
        {
            try
            {
                if(now == default)
                    now = DateTime.Now;

                //寻找匹配的值
                Dictionary<string, ZzDataResultModel> matched1 = new Dictionary<string, ZzDataResultModel>();
                Dictionary<string, ZzDataResultModel> matched2 = new Dictionary<string, ZzDataResultModel>();

                if (timeWindowType == 0 || timeWindowType == 2)
                {
                    matched1 = Read(ids, now.AddSeconds(-seconds), now);
                }

                if (timeWindowType == 1 || timeWindowType == 2)
                {
                    int span = seconds*1000 - (int)(DateTime.Now - now).TotalMilliseconds;

                    if(span > 0) 
                        await Task.Delay(span, cancellationToken);
                    matched2 = Read(ids, now, DateTime.Now);
                }

                foreach (var kv in matched2)
                {
                    if (!matched1.TryAdd(kv.Key, kv.Value))
                    {
                        matched1[kv.Key].Data.AddRange(kv.Value.Data);
                    }
                }

                return matched1.Values.ToList();
            }
            catch (Exception ex)
            {
                return new List<ZzDataResultModel>();
            }
        }
    }

    public class ZzDataCacheContainerInit
    {
        private readonly ILogger<SecondaryCircuitInspectionPlanService> _logger;
        private readonly WebApiRequest _webApiRequest;
        private readonly ZzTcpService _zTcpService = null;

        public ZzDataCacheContainerInit(ILogger<SecondaryCircuitInspectionPlanService> logger, WebApiRequest webApiRequest, ZzTcpService zTcpService)
        {
            _logger = logger;
            _webApiRequest = webApiRequest;
            _zTcpService = zTcpService;
        }


        public void InitTcpService(ITcpClient tcpClient)
        {
            _zTcpService.Init(tcpClient);
        }

        //初始化虚点信息
        public async Task InitVariantBaseinfo(ZzDataCacheContainer cache)
        {
            //从数据库获取
            var list = await _webApiRequest.GetVariantBaseinfoAsync();

            if (list != null)
            {
                foreach (var item in list)
                {
                    cache.Write(item.Id, 2, DateTime.Now, item.Name, "不定");
                }
            }

            //发送命令从综自获取
            if(_zTcpService != null)
            {
                string cmd = "CallVAByStat|B001";

                for (int i = 0; i < 3; i++)
                {
                    var sendResult = await _zTcpService.SendTcpMessageAsync(cmd, CancellationToken.None);
                    if (sendResult.Success)
                    {
                        break;
                    }
                    await Task.Delay(1000);
                }
            }
        }

        //初始化网关信息
        public async Task InitGateWayBaseInfo(ZzDataCacheContainer cache)
        {
            var list = await _webApiRequest.GetGateWayBaseInfoAsync();

            if (list != null)
            {
                foreach (var item in list)
                {
                    cache.Write(item.Id, 0, DateTime.Now, item.Name, "0.00 %");
                }
            }
        }
    }

}