using Aucma.Scada.Model.domain;
using HighWayIot.Config;
using HighWayIot.Log4net;
using HighWayIot.Plc;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;

namespace Aucma.Scada.Business
{
    /// <summary>
    /// 入库任务处理
    /// </summary>
    internal sealed class InStoreTaskHandle
    {
        #region 单例实现
        private static readonly Lazy<InStoreTaskHandle> lazy = new Lazy<InStoreTaskHandle>(() => new InStoreTaskHandle());
        public static InStoreTaskHandle Instance
        {
            get
            {
                return lazy.Value;
            }
        }
        #endregion

        #region 对象引用
        private LogHelper logHelper = LogHelper.Instance;

        private AppConfig appConfig = AppConfig.Instance;

        private PlcConfig plcConfig = PlcConfig.Instance;

        private PlcPool _pool = PlcPool.Instance;

        private PlcSpaceConfig spaceConfig = PlcSpaceConfig.Instance;
        #endregion

        #region 私有变量
        private Dictionary<string, IPlc> _plcDictionary = new Dictionary<string, IPlc>();
        private Dictionary<string, int> shellKeyValuePairs = new Dictionary<string, int>();
        private Dictionary<string, int> linerKeyValuePairs = new Dictionary<string, int>();

        /// <summary>
        /// 箱壳任务编号,PLC反馈后进行赋值
        /// </summary>
        private string shellTaskCode = string.Empty;

        /// <summary>
        /// 内胆任务编号,PLC反馈后进行赋值
        /// </summary>
        private string linerTaskCode = string.Empty;

        /// <summary>
        /// 已下传的任务信息
        /// </summary>
        private List<RealTaskInfo> shellTaskInfos = new List<RealTaskInfo>();
        private List<RealTaskInfo> linerTaskInfos = new List<RealTaskInfo>();
        #endregion

        #region 委托事件
        /// <summary>
        /// 入库完成
        /// </summary>
        /// <param name="storeCode"></param>
        /// <param name="taskCode"></param>
        public delegate void InStoreFinsih(string storeCode, string taskCode);
        public event InStoreFinsih InStoreFinsihEvent;

        /// <summary>
        /// 入库应答，PLC收到下发的入库任务后进行应答
        /// </summary>
        /// <param name="storeCode"></param>
        /// <param name="taskCode"></param>
        public delegate void InStoreAnswer(string storeCode, string taskCode);
        public event InStoreAnswer InStoreAnswerEvent;
        #endregion

        private InStoreTaskHandle()
        {
            _plcDictionary = _pool.GetAll();

            RealReadPlcSpace(); 
        }

        #region 箱壳入库任务下发处理
        public bool SendShellTask_InStore(RealTaskInfo taskInfo)
        {
            bool result = false;
            try
            {
                IPlc _plc = _plcDictionary[taskInfo.storeCode];

                if (_plc != null)
                {
                    if (_plc.IsConnected)
                    {
                        //写入货道号
                        _plc.writeStringByAddress(plcConfig.in_shell_spaceCode, taskInfo.spaceCode);
                        //写入应答字
                        _plc.writeInt32ByAddress(plcConfig.in_shell_answer, 1);
                        //写入任务号
                        _plc.writeStringByAddress(plcConfig.in_shell_task, taskInfo.taskCode);

                        //写入完成后读取应答字进行复位
                        ReadShellAnswer_InStore(taskInfo);

                        result = true;
                    }
                    else
                    {
                        logHelper.Info($"仓库{taskInfo.storeCode}；PLC未连接");
                    }
                }
                else
                {
                    logHelper.Info($"PLC信息为空，通过{taskInfo.storeCode}未获取到该仓库对应的PLC信息");
                }
            }
            catch (Exception ex)
            {
                logHelper.Error("箱壳入库任务下发异常", ex);
            }

            return result;
        }

        /// <summary>
        /// 读取箱壳入库应答
        /// </summary>
        private void ReadShellAnswer_InStore(RealTaskInfo taskInfo)
        {
            lock (string.Empty)
            {
                bool isFlag = true;
                IPlc _plc = _plcDictionary[appConfig.shellStoreCode];
                try
                {
                    Task.Run(() =>
                    {
                        if (_plc != null)
                        {
                            if (_plc.IsConnected)
                            {
                                do
                                {
                                    //读取PLC应答字为2时，上位机清空写入的入库内容
                                    if (_plc.readInt32ByAddress(plcConfig.in_shell_answer) == 2)
                                    {
                                        //写入货道号
                                        _plc.writeStringByAddress(plcConfig.in_shell_spaceCode, string.Empty);
                                        //写入应答字
                                        _plc.writeInt32ByAddress(plcConfig.in_shell_answer, 0);
                                        //写入任务号
                                        _plc.writeStringByAddress(plcConfig.in_shell_task, string.Empty);
                                        isFlag = false;

                                        WritePlc(taskInfo.storeCode, taskInfo.spaceCode, false);

                                        //ReadShellFinish_InStore(taskCode);
                                        InStoreAnswerEvent?.Invoke(appConfig.shellStoreCode, taskInfo.taskCode);

                                        shellTaskInfos.Add(taskInfo);
                                    }

                                    Thread.Sleep(1000);
                                } while (isFlag);
                            }
                            else
                            {
                                logHelper.Info($"仓库{appConfig.shellStoreCode}；PLC未连接");
                            }
                        }
                        else
                        {
                            logHelper.Info($"PLC信息为空，通过{appConfig.shellStoreCode}未获取到该仓库对应的PLC信息");
                        }
                    });
                }
                catch (Exception ex)
                {
                    logHelper.Error("读取箱壳入库应答字异常", ex);
                }
            }
        }
        #endregion

        #region 内胆入库任务处理
        /// <summary>
        /// 内胆入库任务下发
        /// </summary>
        /// <param name="taskInfo"></param>
        public bool SendLinerTask_InStore(RealTaskInfo taskInfo)
        {
            bool result = false;
            try
            {
                IPlc _plc = _plcDictionary[appConfig.linerStoreCode];

                if (_plc != null)
                {
                    if (_plc.IsConnected)
                    {
                        //写入货道号
                        _plc.writeStringByAddress(plcConfig.in_liner_spaceCode, taskInfo.spaceCode);
                        //写入应答字
                        _plc.writeInt32ByAddress(plcConfig.in_liner_answer, 1);
                        //写入任务号
                        _plc.writeStringByAddress(plcConfig.in_liner_task, taskInfo.taskCode);

                        //写入完成后读取应答字进行复位
                        ReadLinerAnswer_InStore(taskInfo);

                        result = true;
                    }
                    else
                    {
                        logHelper.Info($"仓库{taskInfo.storeCode}；PLC未连接");
                    }
                }
                else
                {
                    logHelper.Info($"PLC信息为空，通过{taskInfo.storeCode}未获取到该仓库对应的PLC信息");
                }
            }
            catch (Exception ex)
            {
                logHelper.Error("内胆入库任务下发异常", ex);
            }
            return result;
        }

        /// <summary>
        /// 读取内胆入库应答
        /// </summary>
        private void ReadLinerAnswer_InStore(RealTaskInfo taskInfo)
        {
            lock (string.Empty)
            {
                bool isFlag = true;
                IPlc _plc = _plcDictionary[appConfig.linerStoreCode];
                try
                {
                    Task.Run(() =>
                    {

                        if (_plc != null)
                        {
                            if (_plc.IsConnected)
                            {
                                do
                                {
                                    //读取PLC应答字为2时，上位机清空写入的入库内容
                                    if (_plc.readInt32ByAddress(plcConfig.in_liner_answer) == 2)
                                    {
                                        //写入货道号
                                        _plc.writeStringByAddress(plcConfig.in_liner_spaceCode, string.Empty);
                                        //写入应答字
                                        _plc.writeInt32ByAddress(plcConfig.in_liner_answer, 0);
                                        //写入任务号
                                        _plc.writeStringByAddress(plcConfig.in_liner_task, string.Empty);
                                        isFlag = false;

                                        //ReadLinerFinish_InStore(taskCode);
                                      //  WritePlc(taskInfo.storeCode, taskInfo.spaceCode, false);

                                        InStoreAnswerEvent?.Invoke(appConfig.linerStoreCode, taskInfo.taskCode);

                                        linerTaskInfos.Add(taskInfo);
                                    }

                                    Thread.Sleep(1000);
                                } while (isFlag);
                            }
                            else
                            {
                                logHelper.Info($"仓库{appConfig.linerStoreCode}；PLC未连接");
                            }
                        }
                        else
                        {
                            logHelper.Info($"PLC信息为空，通过{appConfig.linerStoreCode}未获取到该仓库对应的PLC信息");
                        }
                    });
                }
                catch (Exception ex)
                {
                    logHelper.Error("读取内胆入库应答字异常", ex);
                }
            }
        }
        #endregion

        #region 读取PLC入库完成 Delete By Wenjy 2023-11-08 15:05:00，经讨论入库完成改为监测在途数量变化
        /// <summary>
        /// 读取箱壳入库完成
        /// </summary>
        /*private void ReadShellFinish_InStore(string taskCode)
        {
            lock (string.Empty)
            {
                bool isFlag = true;
                IPlc _plc = _plcDictionary[appConfig.shellStoreCode];
                shellTaskCode = taskCode;
                try
                {
                    Task.Run(() =>
                    {
                        if (_plc != null)
                        {
                            if (_plc.IsConnected)
                            {
                                do
                                {
                                    //读取PLC入库任务完成
                                    if (_plc.readInt32ByAddress(plcConfig.in_shell_finish) == 1)
                                    {
                                        _plc.writeInt32ByAddress(plcConfig.in_shell_finish, 0);

                                        //string taskCode = _plc.readStringByAddress(plcConfig.out_shell_task, 10);

                                        InStoreFinsihEvent?.Invoke(appConfig.shellStoreCode, taskCode);

                                        isFlag = false;
                                    }

                                    Thread.Sleep(1000);
                                } while (isFlag);
                            }
                            else
                            {
                                logHelper.Info($"仓库{appConfig.shellStoreCode}；PLC未连接");
                            }
                        }
                        else
                        {
                            logHelper.Info($"PLC信息为空，通过{appConfig.shellStoreCode}未获取到该仓库对应的PLC信息");
                        }
                    });
                }
                catch (Exception ex)
                {
                    logHelper.Error("读取箱壳入库完成异常", ex);
                }
            }
        }*/

        /// <summary>
        /// 读取内胆入库完成
        /// </summary>
        /*private void ReadLinerFinish_InStore(string taskCode)
        {
            lock (string.Empty)
            {
                try
                {
                    Task.Run(() =>
                    {
                        bool isFlag = true;
                        IPlc _plc = _plcDictionary[appConfig.linerStoreCode];
                        if (_plc != null)
                        {
                            if (_plc.IsConnected)
                            {
                                do
                                {
                                    //读取PLC入库任务完成
                                    if (_plc.readInt32ByAddress(plcConfig.in_liner_finish) == 1)
                                    {
                                        _plc.writeInt32ByAddress(plcConfig.in_liner_finish, 0);

                                        //string taskCode = _plc.readStringByAddress(plcConfig.in_liner_task, 10);

                                        InStoreFinsihEvent?.Invoke(appConfig.linerStoreCode, taskCode);

                                        isFlag = false;

                                    }

                                    Thread.Sleep(1000);
                                } while (isFlag);
                            }
                            else
                            {
                                logHelper.Info($"仓库{appConfig.linerStoreCode}；PLC未连接");
                            }
                        }
                        else
                        {
                            logHelper.Info($"PLC信息为空，通过{appConfig.linerStoreCode}未获取到该仓库对应的PLC信息");
                        }
                    });
                }
                catch (Exception ex)
                {
                    logHelper.Error("读取内胆入库完成异常", ex);
                }
            }
        }*/
        #endregion

        #region 监测PLC在途数量变化，完成入库任务

        private void RealReadPlcSpace()
        {
            Thread.Sleep(1000);
            Task.Run(() =>
            {
                while (true)
                {
                    RealReadShellPlcSpace();

                    Thread.Sleep(500);
                }
            });

            Task.Run(() =>
            {
                while (true)
                {
                    RealReadLinerPlcSpace();

                    Thread.Sleep(500);
                }
            });
        }

        /// <summary>
        /// 读取箱壳已下发任务的货道信息，读取后将货道编号及在途数量写入Dictionary进行比较，在途数减少则入库完成
        /// </summary>
        private void RealReadShellPlcSpace()
        {
            if (shellTaskInfos != null)
            {
                List<string> spaceCodes = shellTaskInfos.Select(x => x.spaceCode).Distinct().ToList();

                for (int i = 0; i < spaceCodes.Count; i++)
                {

                    string spaceCode = spaceCodes[i];

                    BaseSpaceInfo spaceInfo = new BaseSpaceInfo() { storeCode = appConfig.shellStoreCode, spaceCode = spaceCode };

                    spaceInfo = ReadSpaceInfoByPlc(spaceInfo);

                    if (shellKeyValuePairs.ContainsKey(spaceInfo.spaceCode))
                    {
                        shellKeyValuePairs.TryGetValue(spaceInfo.spaceCode, out int value);
                        //判断前次读取的数据和当前数据，如果前次数据大于当前数据则代表入库完成，然后筛选任务中对应货道的首个任务进行完成
                        //如果前次数据不大于当前数据则更新字典中存放的数据
                        if (value > spaceInfo.onRouteAmount)
                        {
                            //筛选任务
                            var list = shellTaskInfos.Where(x => x.spaceCode == spaceInfo.spaceCode).ToList();
                            if (list.Count > 0)
                            {
                                RealTaskInfo taskInfo = list.OrderBy(x => x.createTime).First();

                                InStoreFinsihEvent?.Invoke(taskInfo.storeCode, taskInfo.taskCode);

                                shellTaskInfos.Remove(taskInfo);
                            }
                            shellKeyValuePairs.Remove(spaceInfo.spaceCode);
                        }
                        else
                        {
                            shellKeyValuePairs[spaceInfo.spaceCode] = spaceInfo.onRouteAmount;
                        }

                    }
                    else
                    {
                        shellKeyValuePairs.Add(spaceInfo.spaceCode, spaceInfo.onRouteAmount);
                    }
                }

            }
        }

        /// <summary>
        /// 读取内胆已下发任务的货道信息，读取后将货道编号及在途数量写入Dictionary进行比较，在途数减少则入库完成
        /// </summary>
        private void RealReadLinerPlcSpace()
        {
            if (linerTaskInfos != null)
            {
                List<string> spaceCodes = linerTaskInfos.Select(x => x.spaceCode).Distinct().ToList();

                for (int i = 0; i < spaceCodes.Count; i++)
                {

                    string spaceCode = spaceCodes[i];

                    BaseSpaceInfo spaceInfo = new BaseSpaceInfo() { storeCode = appConfig.linerStoreCode, spaceCode = spaceCode };

                    spaceInfo = ReadSpaceInfoByPlc(spaceInfo);

                    if (linerKeyValuePairs.ContainsKey(spaceInfo.spaceCode))
                    {
                        linerKeyValuePairs.TryGetValue(spaceInfo.spaceCode, out int value);
                        //判断前次读取的数据和当前数据，如果前次数据大于当前数据则代表入库完成，然后筛选任务中对应货道的首个任务进行完成
                        //如果前次数据不大于当前数据则更新字典中存放的数据
                        if (value > spaceInfo.onRouteAmount)
                        {
                            //筛选任务
                            var list = linerTaskInfos.Where(x => x.spaceCode == spaceInfo.spaceCode).ToList();
                            if (list.Count > 0)
                            {
                                RealTaskInfo taskInfo = list.OrderBy(x => x.createTime).First();

                                InStoreFinsihEvent?.Invoke(taskInfo.storeCode, taskInfo.taskCode);

                                linerTaskInfos.Remove(taskInfo);
                            }
                            linerKeyValuePairs.Remove(spaceInfo.spaceCode);
                        }
                        else
                        {
                            linerKeyValuePairs[spaceInfo.spaceCode] = spaceInfo.onRouteAmount;
                        }

                    }
                    else
                    {
                        linerKeyValuePairs.Add(spaceInfo.spaceCode, spaceInfo.onRouteAmount);
                    }
                }

            }
        }
        #endregion

        /// <summary>
        /// 通过PLC获取货道信息
        /// </summary>
        /// <param name="spaceInfo"></param>
        /// <returns></returns>
        public BaseSpaceInfo ReadSpaceInfoByPlc(BaseSpaceInfo spaceInfo)
        {
            var spaceAddress = spaceConfig.GetSpaceAddress(spaceInfo.storeCode, spaceInfo.spaceCode);
            IPlc _plc = _plcDictionary[spaceInfo.storeCode];

            if (_plc != null)
            {
                if (_plc.IsConnected)
                {
                    spaceInfo.spaceStock = _plc.readInt32ByAddress(spaceAddress.onStore);
                    spaceInfo.onRouteAmount = _plc.readInt32ByAddress(spaceAddress.onRoute);
                    spaceInfo.spaceStatus = _plc.readInt32ByAddress(spaceAddress.spaceStatus);
                }
            }

            return spaceInfo;
        }

        /// <summary>
        /// 测试方法，联调时不用
        /// </summary>
        /// <param name="storeCode"></param>
        /// <param name="spaceCode"></param>
        /// <param name="flag"></param>
        public void WritePlc(string storeCode, string spaceCode, bool flag)
        {
            var spaceAddress = spaceConfig.GetSpaceAddress(storeCode, spaceCode);
            IPlc _plc = _plcDictionary[storeCode];

            if (_plc != null)
            {
                if (_plc.IsConnected)
                {
                    var spaceStock = _plc.readInt32ByAddress(spaceAddress.onStore);
                    var onRouteAmount = _plc.readInt32ByAddress(spaceAddress.onRoute);

                    if (flag)
                    {
                        _plc.writeInt32ByAddress(spaceAddress.onStore, spaceStock + 1);
                        //_plc.writeInt32ByAddress(spaceAddress.onRoute, onRouteAmount - 1);
                    }
                    else
                    {
                        _plc.writeInt32ByAddress(spaceAddress.onRoute, onRouteAmount + 1);
                    }
                    
                }
            }
        }
    }
}