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

namespace Aucma.Scada.Business
{
    /// <summary>
    /// 出库业务逻辑
    /// </summary>
    public sealed class OutStoreBusiness
    {
        #region 单例实现
        private static readonly Lazy<OutStoreBusiness> lazy = new Lazy<OutStoreBusiness>(() => new OutStoreBusiness());
        public static OutStoreBusiness 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 AssemblyPlanBusiness assemblyPlanBusiness = AssemblyPlanBusiness.Instance;

        private OutStoreTaskHandle taskHandleBusiness = OutStoreTaskHandle.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;

        /// <summary>
        /// BOM信息
        /// </summary>
        private IBaseBomInfoService _bomInfoService;

        /// <summary>
        /// 货道明细
        /// </summary>
        private IBaseSpaceDetailService _spaceDetailService;

        private IExecutePlanInfoService _executePlanInfoService;

        private IProductPlanInfoService _productPlanInfoService;
        #endregion

        #region 委托事件
        /// <summary>
        /// 初始化出库任务
        /// </summary>
        /// <param name="message"></param>
        public delegate void RefreshOutStoreTask(RealTaskInfo taskInfos);
        public event RefreshOutStoreTask RefreshOutStoreTaskEvent;

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

        public delegate void RefreshAssemblyPlanInit();
        public event RefreshAssemblyPlanInit RefreshAssemblyPlanInitEvent;
        #endregion

        private OutStoreBusiness()
        {
            _spaceInfoService = registerServices.GetService<IBaseSpaceInfoService>();
            _taskInfoService = registerServices.GetService<IRealTaskInfoService>();
            _bomInfoService = registerServices.GetService<IBaseBomInfoService>();
            _spaceDetailService = registerServices.GetService<IBaseSpaceDetailService>();
            _executePlanInfoService = registerServices.GetService<IExecutePlanInfoService>();
            _productPlanInfoService = registerServices.GetService<IProductPlanInfoService>();
            assemblyPlanBusiness.NextPassExecutePlanInfoEvent += PlanHandle;
            taskHandleBusiness.OutStoreFinsihEvent += TaskFeedback;
            StartPassDown();
        }

        /// <summary>
        /// 接收下达的组装计划，根据BOM获取需要出库的泡后、内胆物料信息
        /// </summary>
        /// <param name="planInfo"></param>
        private void PlanHandle(ExecutePlanInfo planInfo)
        {
            lock (string.Empty)
            {
                Task.Run(() =>
                {
                    if (planInfo != null)
                    {
                        string taskCode = DateTime.Now.ToString("HH:mm:ss");
                        var bomInfo = _bomInfoService.GetChildenBomInfoByMaterialCode(planInfo.materialCode, appConfig.foamMaterialType);
                        for (int i = 0; i < planInfo.planAmount - planInfo.completeAmount; i++)
                        {
                            OutStore(appConfig.foamStoreCode, bomInfo, planInfo.executePlanCode, taskCode);
                            Thread.Sleep(500);
                        }
                    }
                });
            }
        }

        /// <summary>
        /// 解析计划创建出库任务
        /// </summary>
        /// <param name="storeCode"></param>
        /// <param name="bomInfo"></param>
        /// <param name="planCode"></param>
        private void OutStore(string storeCode, BaseBomInfo bomInfo, string planCode, string taskCode)
        {
            try
            {
                PrintLogInfoMessage($"收到出库计划，物料码：{bomInfo.materialCode}");
                BaseSpaceInfo spaceInfo = _spaceInfoService.OutStoreGetSpaceInfoByMaterialCode(storeCode, bomInfo.materialCode);
                if (spaceInfo != null)
                {
                    PrintLogInfoMessage($"匹配货道：{spaceInfo.spaceName}");
                    // RefreshScanMateriaCodeEvent?.Invoke(materiaclCode, materialType, spaceInfo.spaceName, storeCode); //刷新界面扫码信息
                    CreateOutStoreTask(spaceInfo, planCode, taskCode); //创建出库任务
                }
                else
                {
                    //报警停线
                    PrintLogInfoMessage($"{storeCode};仓库内未获取到{bomInfo.materialCode}相匹配的物料及货道");
                }
            }
            catch (Exception ex)
            {
                PrintLogErrorMessage("出库业务异常", ex);
            }
        }

        /// <summary>
        /// 创建出库任务
        /// </summary>
        /// <param name="spaceInfo"></param>
        private bool CreateOutStoreTask(BaseSpaceInfo spaceInfo, string planCode, string taksCode, int taskModel = 0)
        {
            bool result = false;
            try
            {
                //获取出库的货道明细物料信息
                BaseSpaceDetail spaceDetail = GetSpaceDetailFirstOrderByCreatTime(spaceInfo);
                if (spaceDetail != null)
                {

                    #region 出库任务赋值
                    RealTaskInfo realTaskInfo = new RealTaskInfo();
                    realTaskInfo.planCode = planCode;
                    realTaskInfo.taskType = 2;
                    realTaskInfo.taskCode = taksCode;
                    realTaskInfo.taskModel = taskModel;
                    realTaskInfo.storeCode = spaceInfo.storeCode;
                    realTaskInfo.spaceCode = spaceInfo.spaceCode;
                    realTaskInfo.spaceName = spaceInfo.spaceName;
                    realTaskInfo.materialType = spaceDetail.materialName;
                    realTaskInfo.materialCode = spaceDetail.materialCode;
                    realTaskInfo.planAmount = 1;
                    realTaskInfo.taskStatus = 1;
                    realTaskInfo.createTime = DateTime.Now;
                    #endregion

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

                        RefreshOutStoreTaskEvent?.Invoke(realTaskInfo);

                        UpdateSpaceAndDetial(spaceInfo, spaceDetail);
                    }
                    else
                    {
                        PrintLogInfoMessage("出库任务创建失败");
                    }
                }
                else
                {
                    PrintLogInfoMessage("出库任务创建失败，货道明细为空");
                }
            }
            catch (Exception ex)
            {
                PrintLogErrorMessage("出库任务创建异常", ex);
            }
            return result;
        }

        /// <summary>
        /// 根据创建时间获取第一个货道明细
        /// </summary>
        /// <param name="spaceInfo"></param>
        /// <returns></returns>
        private BaseSpaceDetail GetSpaceDetailFirstOrderByCreatTime(BaseSpaceInfo spaceInfo)
        {
            BaseSpaceDetail spaceDetail = null;
            try
            {
                List<BaseSpaceDetail> spaceDetails = _spaceDetailService.GetSpaceDetailsBySpaceCode(spaceInfo.storeCode, spaceInfo.spaceCode);
                if (spaceDetails.Count > 0)
                {
                    spaceDetails = spaceDetails.Where(x => x.isFlag != 1).ToList();
                    if (spaceDetails != null)
                    {
                        spaceDetail = spaceDetails.OrderBy(x => x.createTime).First();
                    }
                }
            }
            catch (Exception ex)
            {
                PrintLogErrorMessage("获取货道明细信息异常", ex);
            }
            return spaceDetail;
        }

        /// <summary>
        /// 任务创建完成后修改货道信息及货道明细
        /// </summary>
        /// <param name="spaceInfo"></param>
        /// <param name="spaceDetail"></param>
        private void UpdateSpaceAndDetial(BaseSpaceInfo spaceInfo, BaseSpaceDetail spaceDetail, int detailIsFlag = 1, bool stockFlag = true)
        {
            //任务创建完成后修改货道库存、货道明细修改物料标识物料不可用
            spaceDetail.isFlag = detailIsFlag;
            var result = _spaceDetailService.UpdateSpaceDetail(spaceDetail);

            if (stockFlag)
            {
                spaceInfo.spaceStock = spaceInfo.spaceStock > 0 ? spaceInfo.spaceStock - 1 : 0;
            }
            else
            {
                spaceInfo.spaceStock = spaceInfo.spaceStock + 1;
            }

            _spaceInfoService.UpdateSpaceInfo(spaceInfo);
        }

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

        private SemaphoreSlim semaphore = new SemaphoreSlim(0);
        private int completedTasks = 0;

        private int taskAmount = 2;

        private void StartPassDown()
        {
            Task.Run(() =>
            {
                while (true)
                {
                    PassDownTaskInfo();
                    Thread.Sleep(1000);
                }
            });

        }

        /// <summary>
        /// 依次获取任务队列进行下发
        /// </summary>
        /// <param name="source"></param>
        /// <param name="e"></param>
        private void PassDownTaskInfo()
        {
            string taskCode = string.Empty;
            string executePlanCode = string.Empty;
            int iFlag = 0;
            completedTasks = 0;

            //获取待执行的出库任务下发至PLC,并将任务状态改为执行中
            var taskInfoList = GetAwaitSendTask();

            if (taskInfoList.Count > 0)
            {
                taskAmount = taskInfoList.Count; //下发的任务数量，默认2（泡后、内胆），泡后、内胆均执行完成后才会释放信号量

                foreach (var item in taskInfoList)
                {
                    taskCode = item.taskCode;
                    executePlanCode = item.planCode;
                    if (taskHandleBusiness.SendFoamTask_OutStore(item))
                    {
                        PrintLogInfoMessage($"下发泡后出库任务：{item.taskCode}；仓库{item.storeCode}；货道：{item.spaceCode}；等待PLC执行反馈");
                        item.taskStatus = 2;
                        iFlag++;
                    }
                    else
                    {
                        PrintLogInfoMessage($"泡后出库任务：{item.taskCode}；下发失败，请排除PLC连接");
                        continue;
                    }
                    _taskInfoService.UpdateTaskInfo(item);
                    RefreshScanMateriaCodeEvent?.Invoke(item.materialCode, item.materialType, item.spaceName, item.storeCode);
                }
                


                if (iFlag == taskInfoList.Count)
                {

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

                    PrintLogInfoMessage($"出库任务：{taskCode}；执行完成");

                    UpdatePlanInfo(executePlanCode);
                }
            }
            else
            {
                PrintLogInfoMessage("未获取到需要下发的出库任务");

                Thread.Sleep(5000);
            }
        }


        /// <summary>
        /// 获取待执行的出库任务
        /// </summary>
        /// <returns></returns>
        private List<RealTaskInfo> GetAwaitSendTask()
        {
            List<RealTaskInfo> taskInfos = new List<RealTaskInfo>();
            try
            {
                RealTaskInfo foamTaskInfo = _taskInfoService.GetTaskInfoByStoreCode(appConfig.foamStoreCode, 2);

                if (foamTaskInfo != null)
                {
                    taskInfos.Add(foamTaskInfo);
                    //获取与泡后任务匹配的内胆任务
                    RealTaskInfo linerTaskInfo = _taskInfoService.GetTaskInfoByTaskCode(foamTaskInfo.taskCode, appConfig.linerStoreCode);
                    if (linerTaskInfo != null) taskInfos.Add(linerTaskInfo);
                }
                else
                {
                    RealTaskInfo linerInfo = _taskInfoService.GetTaskInfoByStoreCode(appConfig.linerStoreCode, 2);
                    if (linerInfo != null) taskInfos.Add(linerInfo);
                }
            }
            catch (Exception ex)
            {
                PrintLogErrorMessage("获取待执行的出库任务异常", ex);
            }
            return taskInfos;
        }

        /// <summary>
        /// PLC任务执行反馈
        /// </summary>
        /// <param name="storeCode"></param>
        /// <param name="taskCode"></param>
        private void TaskFeedback(string storeCode, string taskCode)
        {
            FoamTaskFeedback(taskCode);
        }

        /// <summary>
        /// 泡后执行反馈
        /// </summary>
        private void FoamTaskFeedback(string taskCode)
        {
            Interlocked.Increment(ref completedTasks);

            CheckCompletedTasks();

            PrintLogInfoMessage("泡后执行完成，自动释放信号量");

            OutStoreFinish(taskCode, appConfig.foamStoreCode);
        }

        /// <summary>
        /// 信号量释放，根据任务完成数量，执行完成后进行释放
        /// </summary>
        private void CheckCompletedTasks()
        {
            if (completedTasks == taskAmount)
            {
                // 释放信号量
                semaphore.Release();
            }
        }
        #endregion



        /// <summary>
        /// 出库完成
        /// </summary>
        /// <param name="storeCode"></param>
        /// <param name="spaceCode"></param>
        /// <param name="materialType"></param>
        private void OutStoreFinish(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;
                        if (spaceInfo.spaceStock == 0)
                        {
                            spaceInfo.materialType = string.Empty;
                        }
                        _spaceInfoService.UpdateSpaceInfo(spaceInfo);

                        //读取PLC获取物料类型进行绑定
                    }
                    //清除任务信息
                    _taskInfoService.DeleteTaskInfo(taskCode, storeCode);

                    _spaceDetailService.DeleteSpaceDetailByMaterialCode(taskInfo.materialCode);

                    //刷新界面
                    RefreshScanMateriaCodeEvent?.Invoke(string.Empty, string.Empty, string.Empty, taskInfo.storeCode);
                }

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

        /// <summary>
        /// 更新计划信息
        /// </summary>
        /// <param name="planCode"></param>
        private void UpdatePlanInfo(string planCode)
        {
            try
            {
                var executeInfo = _executePlanInfoService.GetExecutePlanInfoByPlanCode(planCode);
                if (executeInfo != null)
                {
                    executeInfo.completeAmount += 1;

                    if (executeInfo.completeAmount == executeInfo.planAmount)
                    {
                        executeInfo.executeStatus = 3;
                    }

                    _executePlanInfoService.UpdateExecutePlanInfo(executeInfo);

                    var productInfo = _productPlanInfoService.GetProductPlanByPlanCode(executeInfo.productPlanCode);
                    if (productInfo != null)
                    {
                        productInfo.completeAmount += 1;
                        if (productInfo.completeAmount == productInfo.planAmount)
                        {
                            productInfo.endTime = DateTime.Now;
                        }

                        _productPlanInfoService.UpdateProductPlanInfo(productInfo);
                    }
                }

                RefreshAssemblyPlanInitEvent?.Invoke();

            }
            catch (Exception ex)
            {
                PrintLogErrorMessage("计划信息更新异常", ex);
            }
        }

        /// <summary>
        /// 获取出库任务
        /// </summary>
        /// <returns></returns>
        public List<RealTaskInfo> GetOutStoreTask()
        {
            var taskInfos = _taskInfoService.GetTaskInfosByStoreCode(new string[] { appConfig.foamStoreCode}, appConfig.outstoreTaskType);
            return taskInfos;
        }

        /// <summary>
        /// 通过任务编号删除任务
        /// 
        /// 任务删除后是否需要还原库存，如果出库完成后减少库存则不需要
        /// 
        /// </summary>
        /// <param name="taskCode"></param>
        /// <returns></returns>
        public bool DeleteTaskInfoByTaskCode(string taskCode)
        {
            return _taskInfoService.DeleteTaskInfo(taskCode);
        }

        /// <summary>
        /// 根据货道手动出一个
        /// </summary>
        /// <param name="storeCode"></param>
        /// <param name="spaceCode"></param>
        /// <returns></returns>
        public bool OutOnlyOneBySpaceCode(string storeCode, string spaceCode)
        {
            bool result = false;
            try
            {
                BaseSpaceInfo spaceInfo = _spaceInfoService.GetSpaceInfoBySpaceCode(storeCode, spaceCode);
                if (spaceInfo.spaceStock > 0)
                {
                    result = this.CreateOutStoreTask(spaceInfo, System.Guid.NewGuid().ToString("N"), DateTime.Now.ToString("HH:mm:ss"), 1);
                }
                else
                {
                    PrintLogInfoMessage($"仓库：{storeCode}；货道：{spaceCode}；出一个失败：库存不足");
                }
            }
            catch (Exception ex)
            {
                logHelper.Error("根据货道出一个异常", ex);
            }
            return result;
        }

        /// <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>
        /// 手动释放信号量
        /// </summary>
        /// <param name="sph"></param>
        private void GetAllRelese(Semaphore sph)
        {
            bool res = sph.WaitOne(1, false);
            if (res)
            {
                GetAllRelese(sph);
            }
        }
    }
}