using Aucma.Scada.HikRobot;
using Aucma.Scada.Model.domain;
using HighWayIot.Config;
using HighWayIot.Log4net;
using HighWayIot.Repository.service;
using System;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using static Aucma.Scada.Business.InStoreTaskHandle;

namespace Aucma.Scada.Business
{
    /// <summary>
    /// 入库业务逻辑
    /// </summary>
    public sealed class InStoreBusiness
    {
        #region 单例实现
        private static readonly Lazy<InStoreBusiness> lazy = new Lazy<InStoreBusiness>(() => new InStoreBusiness());
        public static InStoreBusiness Instance
        {
            get
            {
                return lazy.Value;
            }
        }
        #endregion

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

        private AppConfig appConfig = AppConfig.Instance;

        private RegisterServices registerServices = RegisterServices.Instance;

        private InStoreTaskHandle taskHandle = InStoreTaskHandle.Instance;

        private GrabImage grabImage = GrabImage.Instance;
        #endregion

        #region 接口引用
        /// <summary>
        /// 货道信息
        /// </summary>
        private IBaseSpaceInfoService _spaceInfoService;

        /// <summary>
        /// 实时任务
        /// </summary>
        private IRealTaskInfoService _taskInfoService;

        private IBaseSpaceDetailService _baseSpaceDetailService;
        #endregion

        #region 委托事件
        /// <summary>
        /// 初始化入库任务
        /// </summary>
        /// <param name="message"></param>
        public delegate void RefreshInStoreTask(RealTaskInfo taskInfos);
        public event RefreshInStoreTask RefreshInStoreTaskEvent;

        /// <summary>
        /// 扫码信息刷新
        /// </summary>
        /// <param name="materialCode"></param>
        /// <param name="materialName"></param>
        /// <param name="spaceName"></param>
        /// <param name="materialType"></param>
        public delegate void RefreshScanMateriaCode(string materialCode, string materialName, string spaceName, string materialType);
        public event RefreshScanMateriaCode RefreshScanMateriaCodeEvent;

        /// <summary>
        /// 日志信息刷新
        /// </summary>
        /// <param name="message"></param>
        public delegate void RefreshLogMessage(string message);
        public event RefreshLogMessage RefreshLogMessageEvent;
        #endregion

        private InStoreBusiness()
        {
            _spaceInfoService = registerServices.GetService<IBaseSpaceInfoService>();
            _taskInfoService = registerServices.GetService<IRealTaskInfoService>();
            _baseSpaceDetailService = registerServices.GetService<IBaseSpaceDetailService>();
            taskHandle.InStoreFinsihEvent += TaskFeedback;
            grabImage.RefreshMaterialCodeStrEvent += InStore;
            grabImage.RefreshLogMessageEvent += PrintLogInfoMessage;
            StartPassDown();

            InStore(appConfig.shellStoreCode, "B236000007811019001");
            InStore(appConfig.linerStoreCode, "L236000007881019001");
        }

        /// <summary>
        /// 入库
        /// </summary>
        /// <param name="storeCode"></param>
        /// <param name="materialType"></param>
        private void InStore(string storeCode, string materialCode)
        {
            try
            {
                PrintLogInfoMessage($"扫码成功，物料码：{materialCode}");
                string materialType = SubStringMaterialCode(materialCode);
                var spaceInfo = _spaceInfoService.InStoreGetSpaceInfoByMaterialType(storeCode, materialType);
                if (spaceInfo != null)
                {
                    PrintLogInfoMessage($"匹配货道：{spaceInfo.spaceName}");
                    RefreshScanMateriaCodeEvent?.Invoke(materialCode, materialType, spaceInfo.spaceName, storeCode); //刷新界面扫码信息
                    var result = CreateInStoreTask(spaceInfo, materialCode); //创建入库任务
                    if (result)
                    {
                        _spaceInfoService.UpdateSpaceInfo(spaceInfo);
                    }
                }
                else
                {
                    //报警停线
                    PrintLogInfoMessage($"物料码：{materialCode}；未匹配到可用货道");
                }
            }
            catch (Exception ex)
            {
                PrintLogErrorMessage("入库业务异常", ex);
            }
        }

        /// <summary>
        /// 创建入库任务
        /// </summary>
        /// <param name="spaceInfo"></param>
        private bool CreateInStoreTask(BaseSpaceInfo spaceInfo, string materialCode)
        {
            bool result = false;
            
            #region 任务赋值
            RealTaskInfo realTaskInfo = new RealTaskInfo();
            realTaskInfo.taskType = 1;
            realTaskInfo.taskCode = System.Guid.NewGuid().ToString("N").Substring(0, 6);
            realTaskInfo.storeCode = spaceInfo.storeCode;
            realTaskInfo.spaceCode = spaceInfo.spaceCode;
            realTaskInfo.materialType = spaceInfo.materialType;
            realTaskInfo.materialCode = materialCode;
            realTaskInfo.planAmount = 1;
            realTaskInfo.taskStatus = 1;
            realTaskInfo.createTime = DateTime.Now;
            #endregion

            result = _taskInfoService.AddTaskInfo(realTaskInfo);
            if (result)
            {
                PrintLogInfoMessage("入库任务创建成功");

                RefreshInStoreTaskEvent?.Invoke(realTaskInfo);

                result = true;
            }
            else
            {
                PrintLogInfoMessage("入库任务创建失败");
            }
            return result;
        }

        #region 轮询获取入库任务下发至PLC，等待PLC执行反馈，完成后再次下发

        private SemaphoreSlim shellSemaphore = new SemaphoreSlim(0);

        private SemaphoreSlim linerSemaphore = new SemaphoreSlim(0);

        private void StartPassDown()
        {

            Task.Run(() =>
            {
                while (true)
                {
                    PassDownShellTask();
                    Thread.Sleep(1000);
                }
            });

            Task.Run(() =>
            {
                while (true)
                {
                    PassDownLinerTask();
                    Thread.Sleep(1000);
                }
            });
        }


        /// <summary>
        /// 依次获取箱壳任务队列进行下发
        /// </summary>
        /// <param name="source"></param>
        /// <param name="e"></param>
        private void PassDownShellTask()
        {
            RealTaskInfo taskInfo = GetAwaitSendTask(appConfig.shellStoreCode);
            if (taskInfo != null)
            {
                PrintLogInfoMessage($"下发箱壳入库任务：{taskInfo.taskCode}；仓库{taskInfo.storeCode}；货道：{taskInfo.spaceCode}");
                //taskHandle.SendShellTask_InStore(taskInfo);

                if (taskHandle.SendShellTask_InStore(taskInfo))
                {
                    PrintLogInfoMessage($"箱壳入库任务：{taskInfo.taskCode}；下发成功，等待PLC执行反馈");
                    taskInfo.taskStatus = 2;

                    _taskInfoService.UpdateTaskInfo(taskInfo);

                    //if (shellSemaphore.Wait(TimeSpan.FromSeconds(20)))
                    //{
                    //    // 收到反馈
                    //    PrintLogInfoMessage("收到反馈，继续执行");
                    //}
                    //else
                    //{
                    //    PrintLogInfoMessage("超时未反馈");
                    //}

                    shellSemaphore.Wait(); //一直堵塞直到信号量释放

                    PrintLogInfoMessage($"箱壳入库任务：{taskInfo.taskCode}；执行完成");
                }
                else
                {
                    PrintLogInfoMessage($"箱壳入库任务：{taskInfo.taskCode}；下发失败，请排除PLC连接");
                }

            }
            else
            {
                PrintLogInfoMessage("未获取到需要下发的箱壳入库任务");

                Thread.Sleep(5000);
            }

        }

        /// <summary>
        /// 依次获取内胆任务队列进行下发
        /// </summary>
        private void PassDownLinerTask()
        {
            RealTaskInfo taskInfo = GetAwaitSendTask(appConfig.linerStoreCode);
            if (taskInfo != null)
            {
                PrintLogInfoMessage($"下发内胆入库任务：{taskInfo.taskCode}；仓库{taskInfo.storeCode}；货道：{taskInfo.spaceCode}");

                if (taskHandle.SendLinerTask_InStore(taskInfo))
                {
                    PrintLogInfoMessage($"内胆入库任务：{taskInfo.taskCode}；下发成功，等待PLC执行反馈");
                    taskInfo.taskStatus = 2;

                    _taskInfoService.UpdateTaskInfo(taskInfo);

                    //if (shellSemaphore.Wait(TimeSpan.FromSeconds(20)))
                    //{
                    //    // 收到反馈
                    //    PrintLogInfoMessage("收到反馈，继续执行");
                    //}
                    //else
                    //{
                    //    PrintLogInfoMessage("超时未反馈");
                    //}

                    linerSemaphore.Wait(); //一直堵塞直到信号量释放

                    PrintLogInfoMessage($"内胆入库任务：{taskInfo.taskCode}；执行完成");
                }
                else
                {
                    PrintLogInfoMessage($"内胆入库任务：{taskInfo.taskCode}；下发失败，请排除PLC连接");
                }
            }
            else
            {
                PrintLogInfoMessage("未获取到需要下发的内胆入库任务");

                Thread.Sleep(5000);
            }
        }

        /// <summary>
        /// 获取待执行的入库任务
        /// </summary>
        /// <param name="storeCode"></param>
        /// <returns></returns>
        private RealTaskInfo GetAwaitSendTask(string storeCode)
        {
            RealTaskInfo taskInfo = null;

            try
            {
                taskInfo = _taskInfoService.GetTaskInfoByStoreCode(storeCode, 1);

                if (taskInfo != null)
                {
                    taskInfo.taskStatus = 2;
                    _taskInfoService.UpdateTaskInfo(taskInfo);
                }

            }
            catch (Exception ex)
            {
                PrintLogErrorMessage("获取待执行的入库任务异常", ex);
            }

            return taskInfo;
        }

        private void TaskFeedback(string storeCode,string taskCode)
        {
            if(storeCode == appConfig.shellStoreCode)
            {
                ShellTaskFeedback(taskCode);
            }
            else
            {
                LinerTaskFeedback(taskCode);
            }
        }

        /// <summary>
        /// 箱壳执行反馈
        /// </summary>
        private void ShellTaskFeedback(string taskCode)
        {

            PrintLogInfoMessage("箱壳执行完成，自动释放信号量");

            InStoreFinish(taskCode, appConfig.shellStoreCode);

            shellSemaphore.Release();
        }

        /// <summary>
        /// 内胆执行反馈
        /// </summary>
        private void LinerTaskFeedback(string taskCode)
        {
            PrintLogInfoMessage("内胆执行完成，自动释放信号量");
            InStoreFinish(taskCode, appConfig.linerStoreCode);
            linerSemaphore.Release();
        }
        #endregion

        /// <summary>
        /// 入库完成
        /// </summary>
        /// <param name="storeCode"></param>
        /// <param name="spaceCode"></param>
        /// <param name="materialType"></param>
        private void InStoreFinish(string taskCode, string storeCode)
        {
            try
            {
                var taskInfo = _taskInfoService.GetTaskInfoByTaskCode(taskCode, storeCode);
                if (taskInfo != null)
                {
                    var spaceInfo = _spaceInfoService.GetSpaceInfoBySpaceCode(taskInfo.storeCode, taskInfo.spaceCode);

                    if (spaceInfo != null)
                    {
                        //读取PLC获取货道信息：存放数量、在途数量
                        spaceInfo.materialType = taskInfo.materialType;
                        spaceInfo.spaceStock = spaceInfo.spaceStock + 1;
                        _spaceInfoService.UpdateSpaceInfo(spaceInfo);

                        #region 添加货道明细
                        BaseSpaceDetail spaceDetail = new BaseSpaceDetail();
                        spaceDetail.materialType = taskInfo.materialType;
                        spaceDetail.materialCode = taskInfo.materialCode;
                        spaceDetail.storeCode = spaceInfo.storeCode;
                        spaceDetail.spaceCode = spaceInfo.spaceCode;
                        spaceDetail.materialAmount = 1;
                        _baseSpaceDetailService.InsertSpaceDetail(spaceDetail);
                        #endregion

                    }
                    //清除任务信息
                    _taskInfoService.DeleteTaskInfo(taskCode, storeCode);
                }

            }
            catch (Exception ex)
            {
                PrintLogErrorMessage("入库完成逻辑处理异常", ex);
            }
        }

        /// <summary>
        /// 日志输出，界面刷新同时记录文件
        /// </summary>
        /// <param name="message"></param>
        private void PrintLogInfoMessage(string message)
        {
            RefreshLogMessageEvent?.Invoke(message);
            logHelper.Info(message);
        }

        /// <summary>
        /// 异常日志输出
        /// </summary>
        /// <param name="message"></param>
        /// <param name="ex"></param>
        private void PrintLogErrorMessage(string message, Exception ex = null)
        {
            RefreshLogMessageEvent?.Invoke(message);
            logHelper.Error(message, ex);
        }

        /// <summary>
        /// 截取条码
        /// </summary>
        /// <param name="materialCode"></param>
        /// <returns></returns>
        private string SubStringMaterialCode(string materialCode)
        {
            string result = string.Empty;
            if (!string.IsNullOrEmpty(materialCode))
            {
                result = materialCode.Substring(2, 10);
            }

            return result;
        }

        public List<RealTaskInfo> GetInStoreTask()
        {
            return _taskInfoService.GetTaskInfosByStoreCode(new string[] { appConfig.shellStoreCode,appConfig.linerStoreCode }, 1);
        }
    }
}