using HighWayIot.Config;
using HighWayIot.Log4net;
using HighWayIot.Repository.domain;
using HighWayIot.Repository.service;
using HighWayIot.Repository.service.Impl;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace Aucma.Scada.Business
{
    public class OutStoreBusiness
    {
        private static readonly Lazy<OutStoreBusiness> lazy = new Lazy<OutStoreBusiness>(() => new OutStoreBusiness());
        public static OutStoreBusiness Instance
        {
            get
            {
                return lazy.Value;
            }
        }

        private LogHelper logHelper = LogHelper.Instance;

        private AppConfig appConfig = AppConfig.Instance;

        private IBaseSpaceInfoService _spaceInfoService = new BaseSpaceInfoServiceImpl();

        private IRealTaskInfoService _taskInfoService = new RealTaskInfoServiceImpl();

        private IBaseBomInfoService _bomInfoService = new BaseBomInfoServiceImpl();

        private IBaseSpaceDetailService _spaceDetailService = new BaseSpaceDetailServiceImpl();

        private AssemblyPlanBusiness assemblyPlanBusiness = AssemblyPlanBusiness.Instance;

        private TaskHandleBusiness taskHandleBusiness = TaskHandleBusiness.Instance;

        /// <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;

        private OutStoreBusiness()
        {
            assemblyPlanBusiness.NextPassExecutePlanInfoEvent += PlanHandle;
            taskHandleBusiness.OutStoreFinsihEvent += TaskFeedback;
            StartPassDown();
        }

        /// <summary>
        /// 接收下达的组装计划，根据BOM获取需要出库的箱壳、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 shellBomInfo = _bomInfoService.GetChildenBomInfoByMaterialCode(planInfo.materialCode, appConfig.shellMaterialType);
                        var linerBomInfo = _bomInfoService.GetChildenBomInfoByMaterialCode(planInfo.materialCode, appConfig.linerMaterialType);
                        for (int i = 0; i < planInfo.planAmount-planInfo.completeAmount; i++)
                        {
                            OutStore(appConfig.shellStoreCode, shellBomInfo, planInfo.executePlanCode, taskCode);
                            Thread.Sleep(500);
                            OutStore(appConfig.linerStoreCode, linerBomInfo, 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");
                    }
                }
            }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 shellCode = string.Empty;
            string linerCode = string.Empty;
            string taskCode = 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（箱壳、内胆），箱壳、内胆均执行完成后才会释放信号量

                foreach (var item in taskInfoList)
                {
                    taskCode = item.taskCode;
                    if (item.storeCode == appConfig.shellStoreCode)
                    {
                        if (taskHandleBusiness.SendShellTask_OutStore(item))
                        {
                            PrintLogInfoMessage($"下发箱壳出库任务：{item.taskCode}；仓库{item.storeCode}；货道：{item.spaceCode}；等待PLC执行反馈");
                            item.taskStatus = 2;
                            iFlag++;
                        }
                        else
                        {
                            PrintLogInfoMessage($"箱壳出库任务：{item.taskCode}；下发失败，请排除PLC连接");
                            continue;
                        }
                        shellCode = item.materialCode;
                    }
                    else if(item.storeCode == appConfig.linerStoreCode)
                    {
                        if (taskHandleBusiness.SendLinerTask_OutStore(item))
                        {
                            PrintLogInfoMessage($"下发内胆出库任务：{item.taskCode}；仓库{item.storeCode}；货道：{item.spaceCode}；等待PLC执行反馈");
                            item.taskStatus = 2;
                            iFlag++;
                        }
                        else
                        {
                            PrintLogInfoMessage($"内胆出库任务：{item.taskCode}；下发失败，请排除PLC连接");
                            continue;
                        }
                        linerCode = item.materialCode;
                    }
                    
                    RefreshScanMateriaCodeEvent?.Invoke(item.materialCode, item.materialType, item.spaceName, item.storeCode);
                }

               
                if(iFlag == taskInfoList.Count)
                {
                    _taskInfoService.UpdateRangeTaskInfo(taskInfoList);

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

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

                    PrintLogInfoMessage($"出库任务：{taskCode}；执行完成，绑定箱壳条码：{shellCode}；内胆条码：{linerCode}");

                }
            }
            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 shellTaskInfo = _taskInfoService.GetTaskInfoByStoreCode(appConfig.shellStoreCode,2);

                if(shellTaskInfo != null)
                {
                    taskInfos.Add(shellTaskInfo);
                    //获取与箱壳任务匹配的内胆任务
                    RealTaskInfo linerTaskInfo = _taskInfoService.GetTaskInfoByTaskCode(shellTaskInfo.taskCode, appConfig.linerStoreCode);
                    if (linerTaskInfo != null) taskInfos.Add(linerTaskInfo);
                }
                else
                {
                    RealTaskInfo linerInfo = _taskInfoService.GetTaskInfoByStoreCode(appConfig.linerStoreCode, 2);
                    if (linerInfo != null) taskInfos.Add(linerInfo);
                }

                //if(taskInfos.Count > 0)
                //{
                //    taskInfos.ForEach(x => x.taskStatus = 2);
                //    _taskInfoService.UpdateRangeTaskInfo(taskInfos);
                //}
            }
            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)
        {
            if(storeCode == appConfig.shellStoreCode)
            {
                ShellTaskFeedback(taskCode);
            }
            else
            {
                LinerTaskFeedback(taskCode);
            }
        }

        /// <summary>
        /// 箱壳执行反馈
        /// </summary>
        private void ShellTaskFeedback(string taskCode)
        {
            Interlocked.Increment(ref completedTasks);

            CheckCompletedTasks();

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

            OutStoreFinish(taskCode, appConfig.shellStoreCode);
        }

        /// <summary>
        /// 内胆执行反馈
        /// </summary>
        private void LinerTaskFeedback(string taskCode)
        {
            Interlocked.Increment(ref completedTasks);

            CheckCompletedTasks();

            PrintLogInfoMessage("内胆执行完成，自动释放信号量");

            OutStoreFinish(taskCode, appConfig.linerStoreCode);
        }

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

                    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;
                        _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);
                }

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

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