using Infrastructure.Attribute;
using Infrastructure.Extensions;
using Infrastructure.Model;
using MDM.Model.Plant;
using MDM.Model.Process;
using Microsoft.AspNetCore.JsonPatch.Operations;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using NLog;
using RIZO.Model.Mes;
using RIZO.Model.MES.product_trace;
using RIZO.Repository;
using RIZO.Service.MES.product.IService;
using RIZO.Service.PLC;
using S7.Net;
using SqlSugar.IOC;
using System;
using System.Runtime.Intrinsics.X86;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace RIZO.Service.PLCBackground.Stations.Into
{
    /// <summary>
    /// OP点散热胶GF1500
    /// </summary>
    //[AppService(ServiceType = typeof(PlcIntoStationService_Common), ServiceLifetime = LifeTime.Singleton)]
    public class PlcIntoStationService_Common : BackgroundService
    {
        protected static Logger _logger = LogManager.GetCurrentClassLogger();
        protected PlcConntectHepler _plcService;
        protected readonly TimeSpan _pollingInterval = TimeSpan.FromSeconds(5);
        //  private readonly string _ipAddress = "192.168.10.222";
        //  private readonly CpuType _cpuType = CpuType.S71500;
        protected string WorkstationCode;
        protected readonly SqlSugarClient Context;
        protected readonly OptionsSetting _optionsSetting;
        protected PlcSettings plcSetting;
        public PlcIntoStationService_Common(IOptions<OptionsSetting> options)
        {
            Context = DbScoped.SugarScope.CopyNew();
            _optionsSetting= options.Value;
           
        }

        protected override async Task ExecuteAsync(CancellationToken stoppingToken)
        {
            _logger.Info("PLC Polling Service started");

            // 使用工厂方法创建服务实例

            // 获取当前的工序/工站
            //WorkstationCode = await Context.Queryable<PlantWorkstation>().Where(it => it.PlcIP == plcSetting.IpAddress)
            // .Select(it => it.WorkstationCode).FirstAsync();
            plcSetting = _optionsSetting.PlcSettings.Where(it => it.WorkStationCode == WorkstationCode).First();
            Enum.TryParse<CpuType>(plcSetting.PlcType, out CpuType cpuType);

            if (!plcSetting.isEnble)
            {
                return;
            }
            
            using (_plcService = new PlcConntectHepler(plcSetting.IpAddress, cpuType))
            {



                while (!stoppingToken.IsCancellationRequested)
                
                {
                    try
                    {
                        //心跳检测 "DB1010.DBW0"
                       // await _plcService.WriteAsync(plcSetting.intoStation.Heartbeat, (short)1);
                        await _plcService.WriteAsync2(plcSetting.intoStation.Heartbeat, 1);
                        // 轮询进站请求信号/工位开始查询请求 "DB1001.DBW2000"
                        short intoStationAsk = await _plcService.ReadAsync<short>(plcSetting.intoStation.IntoStationAsk);
                        if (intoStationAsk == 1)
                        {
                            // 处理进站请求
                            _logger.Info("Processing into station request...");

                            //获取产品SN码 "DB1001.DBB1000"
                            //   string productModel = await _plcService.ReadStringAsync(plcSetting.intoStation.ProductModel);
                            string productModel = ReadPlcStringAsync(_plcService._plc, plcSetting.intoStation.ProductModel, 48).Result;
                            //"DB1001.DBB1054"
                            //string productSN = await _plcService.ReadStringAsync(plcSetting.intoStation.ProductSN);
                            string productSN = ReadPlcStringAsync(_plcService._plc, plcSetting.intoStation.ProductSN, 48).Result;

                            // 获取工单

                            //获取工艺路线工序
                            List<ProcessOperation> processOperations = await Context.Queryable<ProcessRouting>().LeftJoin<ProcessOperation>((r, o) => r.RoutingCode == o.FkRoutingCode)
                                 .Where((r, o) => r.FkProductMaterialCode == productModel && r.Status == 1)
                                 .Select((r, o) => o).ToListAsync();
                            //判断改产品是正常件还是返工件

                            string Routingcode = processOperations?.First()?.FkRoutingCode ?? "";
                            //插入入站请求ASK过站记录
                            ProductPassStationRecord ASKintoStation = new ProductPassStationRecord
                            {
                                ProductSN = productSN,
                                WorkstationCode = WorkstationCode,
                                Routingcode = Routingcode,
                                OperationCode = WorkstationCode,
                                OperationName= plcSetting.WorkStationName,
                                ProductionLifeStage = 1, // 1表示生产中
                                PasstationType = 0, // 0表示入站请求
                                PasstationDescription = "入站请求ASK",
                                EffectTime = DateTime.Now,
                                CreatedTime = DateTime.Now,
                            };
                            await Context.Insertable(ASKintoStation).ExecuteCommandAsync();
                            //判断该产品是否允许进站
                            EntryPermissionResult result = await checkEntryPermission(productModel, productSN, WorkstationCode, processOperations);
                            // "DB1010.DBW2000"
                            // await _plcService.WriteAsync(plcSetting.intoStation.IntoStationResp, (short)result);
                            await _plcService.WriteAsync2(plcSetting.intoStation.IntoStationResp, result);
                        }
                        await Task.Delay(_pollingInterval, stoppingToken);

                    }
                    catch (OperationCanceledException)
                    {
                        _logger.Info("PLC Polling Service is stopping");
                        break;
                    }
                    catch (Exception ex)
                    {
                        _logger.Error(ex, "PLC polling error");
                        await Task.Delay(TimeSpan.FromSeconds(10), stoppingToken);
                    }
                }
            }

            _logger.Info("PLC Polling Service stopped");
        }

        /// <summary>
        /// 按业务规则解析PLC字符串（支持中文GBK编码）
        /// </summary>
        private async Task<string> ReadPlcStringAsync(Plc plc, string addr, int maxLen)
        {
            try
            {
                // 解析地址：DB1010.DBB50 → DB编号1010 + 起始字节50
                var parts = addr.Split('.', StringSplitOptions.RemoveEmptyEntries);
                if (parts.Length != 2)
                    return string.Empty;

                if (!int.TryParse(parts[0].Replace("DB", ""), out int dbNum) || dbNum <= 0)
                    return string.Empty;

                if (!int.TryParse(parts[1].Replace("DBB", ""), out int startByte) || startByte < 0)
                    return string.Empty;

                // 读取字节数组
                var bytes = await Task.Run(() => plc.ReadBytes(DataType.DataBlock, dbNum, startByte, maxLen));
                if (bytes == null || bytes.Length < 3)
                    return string.Empty;

                // 严格按规则解析：bytes[0]=总长度(备用)、bytes[1]=有效长度、bytes[2+]=内容
                int validLen = Math.Clamp(bytes[1], 0, bytes.Length - 2);
                if (validLen <= 0)
                    return string.Empty;

                // 提取有效内容并转字符串（GBK编码支持中文）
                var contentBytes = new byte[validLen];
                Array.Copy(bytes, 2, contentBytes, 0, validLen);
                return Encoding.GetEncoding("GBK").GetString(contentBytes).Trim('\0', ' ', '\t');
            }
            catch
            {
                return string.Empty;
            }
        }
        /// <summary>
        /// 校验是否可以进站
        /// </summary>
        /// <param name="productModel">产品型号</param>
        /// <param name="productSN">产品SN</param>
        /// <returns></returns>
        protected  virtual  async Task<EntryPermissionResult> checkEntryPermission(string productModel, string productSN, string workstationCode, List<ProcessOperation> processOperations)
        {

            EntryPermissionResult result = EntryPermissionResult.UnkownException;

            //2上工位无记录

            //ProcessOperation LastOperation1 = processOperations.Where(operation => operation.OperationSeq < processOperations.Where(it => it.OperationCode == workstationCode).Select(it => it.OperationSeq).First()).OrderByDescending(operation => operation.OperationSeq).First();
            var LastOperationSeqObject = processOperations
                .Where(operation => operation.OperationCode == workstationCode)
                .FirstOrDefault();
            if (LastOperationSeqObject.LastOperationSeq == 0)
            {
                return EntryPermissionResult.NoRecordAtPreviousStation;
            }
            ProcessOperation LastOperation = processOperations.Where(it => it.OperationSeq == LastOperationSeqObject. LastOperationSeq).First();

            // 2. 清理 OperationCode：去除首尾空格 + 移除 \r 等不可见控制字符（兼容你之前的问题）
            string cleanOperationCode = LastOperation.OperationCode
                .Replace("\r", "") // 移除回车符
                .Replace("\n", "") // 可选：移除换行符
                .Trim(); // 移除首尾空格

            // 3. 构建并执行真正的异步查询（补充执行方法，使 await 生效）
            var ExistLastOperationRecord = await DbScoped.SugarScope.CopyNew()
                .Queryable<ProductPassStationRecord>()
                  .Where(it => it.ProductSN == productSN)
                .Where(it => it.OperationCode == cleanOperationCode) // 使用清理后的字符串匹配
                                                                     // 补充：根据需求选择合适的执行方法（二选一或其他）
                .ToListAsync(); // 推荐：返回符合条件的所有数据（列表）
                                // .FirstOrDefaultAsync(); // 若只需返回第一条数据，用这个（无匹配返回 null）
         //   bool isExistLastOperationRecord = false;
            if (ExistLastOperationRecord != null &&ExistLastOperationRecord.Count()==0)
            {
                return EntryPermissionResult.NoRecordAtPreviousStation;
            }

            //// 3  上工位NG  入站或者出站结果 NG 
            //bool isExistLastOperationNG =  Context.Queryable<ProductPassStationRecord>()
            //                 .Where(it => it.ProductSN == productSN)
            //                  .Where(it => it.OperationCode == cleanOperationCode)
            //                  .Where(it =>  it.PasstationType == 3)
            //                  .Where(it => it.ResultCode == 1)
            //                  .Any();

            // 3  上工位NG  入站或者出站结果 NG 
            var ExistLastOperationNG = Context.Queryable<ProductPassStationRecord>()
                             .Where(it => it.ProductSN == productSN)
                              .Where(it => it.OperationCode == cleanOperationCode)
                              .Where(it => it.PasstationType == 3)
                              .Where(it => it.ResultCode == 1).ToList();

            if (ExistLastOperationNG.Count() == 0 )
            {
                result = EntryPermissionResult.PreviousStationNG;
                goto InsertPassrecord;
            }


            //  4  扫码产品型号错误
            //bool isExistproductSN = await Context.Queryable<ProductLifecycle>()
            //    .Where(it => it.ProductSN == productSN).AnyAsync();


            //bool isExistproductSNProducting = await Context.Queryable<ProductLifecycle>()
            //    .Where(it => it.ProductSN == productSN && (it.ProductCurrentStatus != 1 && it.ProductCurrentStatus != 3)).AnyAsync();
            //if (!isExistproductSN || !isExistproductSNProducting)
            //{
            //    result = EntryPermissionResult.ProductModelError;
            //    goto InsertPassrecord;
            //}
            //6时间超出规定无法生产


            //7固化时间未到规定时间

            int LastOperationStandardTime = processOperations.Where(operation => operation.OperationCode == LastOperation.OperationCode)
                     .Select(operation => operation.StandardTime??0).First();



            if (LastOperationStandardTime > 0)
            {
                // 上一站的出站时间 和本站的请求时间差值
              DateTime  LastInStationTime= await Context.Queryable<ProductPassStationRecord>()
                              .Where(it => it.ProductSN == productSN)
                              .Where(it => it.OperationCode == cleanOperationCode)
                              .Where(it => it.PasstationType == 3)
                              .MaxAsync(it => it.OutStationTime??DateTime.MinValue);
                TimeSpan timeDiff = DateTime.Now - LastInStationTime;
                double totalSeconds = timeDiff.TotalSeconds;
                if(totalSeconds < LastOperationStandardTime)
                {
                    result = EntryPermissionResult.CuringTimeNotReached;
                    goto InsertPassrecord;
                }

            }

            //12  最大重复入站次数
            int MaxRepeatEntries = processOperations.Where(operation => operation.OperationCode == workstationCode).Select(operation => operation.MaxStationCount??1).First();
            if(MaxRepeatEntries>1)
            {
                int currentStationEntryCount = await Context.Queryable<ProductPassStationRecord>()
                    .Where(it => it.ProductSN == productSN)
                    .Where(it => it.OperationCode == workstationCode)
                    .Where(it => it.PasstationType == 1)
                    .CountAsync();
                //if(currentStationEntryCount >= MaxRepeatEntries)
                //{
                //    result = EntryPermissionResult.MaximumRepeatedEntries;
                //    goto InsertPassrecord;
                //}
            }

            //OK  准许进站
            result = EntryPermissionResult.AllowIntoStation;
            goto InsertPassrecord;
            InsertPassrecord:
            //插入入站请求Resp过站记录
            ProductPassStationRecord RespintoStation = new ProductPassStationRecord
            {
                ProductSN = productSN,
                WorkstationCode = WorkstationCode,
                Routingcode = processOperations?.First()?.FkRoutingCode??"",
                OperationCode = WorkstationCode,
                OperationName = plcSetting.WorkStationName,
                ProductionLifeStage = 1, // 1表示生产中
                PasstationType = 1, // 入站完毕
                PasstationDescription = "入站完毕Resp",
                EffectTime = DateTime.Now,
                InStationTime = DateTime.Now,
                ResultCode = (int)result,
                ResultDescription = result.ToString(),
                CreatedTime = DateTime.Now,

            };
            await Context.Insertable(RespintoStation).ExecuteCommandAsync();

            return result;
        }




    }

}