using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading.Tasks;

using HH.WCS.Mobox3.DSZSH.api;
using HH.WCS.Mobox3.DSZSH.device;
using HH.WCS.Mobox3.DSZSH.models;
using HH.WCS.Mobox3.DSZSH.process;
using HH.WCS.Mobox3.DSZSH.util;
using HH.WCS.Mobox3.DSZSH.wms;

using Newtonsoft.Json;

using Swashbuckle.Swagger;

using static HH.WCS.Mobox3.DSZSH.api.ApiModel;

namespace HH.WCS.Mobox3.DSZSH.core {
    public class WCSCore {
        public static ReturnResult OperateAgvTaskStatus(AgvTaskState model) {
            const string preLog = "AGV:任务状态回报:";
            try {
                if (model.state > 0) {
                    // AGV 执行任务的逻辑处理
                    if (!AgvTaskProcessOk(model)) {
                        // 执行不OK,说明没有找到任务
                        return NewReturnResult(1, preLog + $"根据任务号'{model.task_no}'未找到对应的任务!");
                    }
                }

                return NewReturnResult(0, "success"); // 不返回详细成功日志,避免NDC以msg=success作为成功判定 (参考国自) 
            }
            catch (Exception ex) {
                return NewReturnResult(-1, $"发生了异常:{ex.Message}\n\n{ex.StackTrace}\n");
            }

        }

        /// <summary>
        /// 执行 AGV 任务,查询不到任务返回 <see langword="false"/>
        /// </summary>
        /// <param name="model"></param>
        /// <returns></returns>
        private static bool AgvTaskProcessOk(AgvTaskState model) {
            var TN_Task = WCSHelper.GetTask(model.task_no); // 根据当前model编号查询任务
            if (TN_Task == null) { return false; }

            if (model.state > 7) {
                //安全请求等
                TaskProcess.OperateReq(model.task_no, model.state, model.forklift_no, model.ext_data);
                return true;
            }

            // AGV 任务 134562(7) 状态处理
            switch (model.state) {
                case 1: // 执行
                    WCSHelper.Begin(TN_Task, model.forklift_no); // 已推送的任务的状态改成执行
                    break;
                case 3: // 开始取货
                    WCSHelper.UpdateStatus(TN_Task, "开始取货"); // 任务状态改成开始取货
                    break;
                case 4: // 取货完成
                    WCSHelper.UpdateStatus(TN_Task, "取货完成"); // 任务状态改成取货完成
                    TaskProcess.OperateStatus(TN_Task, 4); // 起点容器货位解绑,解锁起点

                    if (TN_Task.S_TYPE == ETask.C成品胶出库.Name()) {
                        var nextOutboundTask = Task.Run(() => {
                            UpdateOutboundTaskState(3);
                        });
                        var pickUpReturnErpTask = Task.Run(() => {
                            PickUpReturnErp(TN_Task);
                        });
                    }

                    break;
                case 5: // 开始卸货
                    WCSHelper.UpdateStatus(TN_Task, "开始卸货"); // 任务状态改成开始卸货
                    break;
                case 6: // 卸货完成
                    WCSHelper.UpdateStatus(TN_Task, "卸货完成"); // 任务状态改成卸货完成
                    TaskProcess.OperateStatus(TN_Task, 6); // 终点容器货位绑定,解锁终点
                    break;
                case 2: // 完成
                    WCSHelper.End(TN_Task); // 任务状态改成结束

                    //if (TN_Task.S_TYPE == TaskName.抽检_出库) {
                    //    var checkCompleteTask = Task.Run(() => {
                    //        UpdateCheckTaskState(3);
                    //    });
                    //}

                    var recordTask = Task.Run(() => {
                        RecordTaskTable(TN_Task);
                    });

                    break;
                case 7: // 异常
                    TaskProcess.OperateStatus(TN_Task, 7); // 异常处理
                    WCSHelper.Fail(TN_Task); // 任务状态改成错误
                    break;
            }

            // 将AGV执行状态,加入TN_Task_Action表中
            WCSHelper.AddActionRecord(model.task_no, model.state, model.forklift_no, model.ext_data);
            //调用第三方接口 (如果有) TaskProcess.ReportStatus,添加任务动作关系表

            return true;
        }

        private static void RecordTaskTable(TN_Task task) {
            var db = new SqlHelper<object>().GetInstance();
            var info = "";

            try {
                var cgDetail = new TN_CG_Detail(); // 如果没有信息,默认就是空值,可以直接填入,不需要判断
                
                //var emptyTask = false; // 空托/空箱任务
                if (task.S_TYPE != ETask.K空托上线出库.Name() && task.S_TYPE != ETask.K空托入库.Name() &&
                    task.S_TYPE != ETask.K空箱上线出库.Name() && task.S_TYPE != ETask.K空箱入库.Name()) {
                    // 非空托/空箱任务 (空托/空箱任务无法在CGDetail查到物料信息) 
                    //emptyTask= true;
                    cgDetail = db.Queryable<TN_CG_Detail>()
                        .Where(d => d.S_CNTR_CODE == task.S_CNTR_CODE)
                        .First();

                    if (cgDetail == null) {
                        info = $"任务{task.S_CODE}完成,记录出入库存在问题:无法在容器货品明细表中找到托盘{task.S_CNTR_CODE}对应的物料";
                        LogHelper.Info(info);
                        //return;
                        cgDetail = new TN_CG_Detail() ;
                        cgDetail.S_ITEM_CODE = "异常";
                    }
                }

                var isInbound = false; // 入库类型的任务 (包括移库类任务) 
                var inboundTasks = new List<string> {
                    ETask.M满托下线入库.Name(), ETask.M满箱下线入库.Name(), ETask.K空托入库.Name(), ETask.K空箱入库.Name(),
                    ETask.C抽检合格回库.Name(), ETask.C抽检不合格移库.Name(), ETask.Y移库.Name()
                };
                if (inboundTasks.Contains(task.S_TYPE)) {
                    isInbound= true;
                }

                //var needUpdateRecordTable = false;
                var record = db.Queryable<TN_Record_Table>()
                    .Where(r => r.S_TASK_NO == task.S_CODE).First();
                if (record != null) {
                    //needUpdateRecordTable = true;
                    info = $"出入库记录表中已经存在任务号{task.S_CODE}"; // 防止测试时反复调用134562导致重复记录
                    LogHelper.Info(info);
                    return;
                }

                record = new TN_Record_Table {
                    S_ITEM_CODE = cgDetail.S_ITEM_CODE,
                    S_BATCH_NO = cgDetail.S_BATCH_NO,
                    S_ITEM_NAME = cgDetail.S_ITEM_NAME,
                    S_LOC_CODE = isInbound ? task.S_END_LOC : task.S_START_LOC, // 入库记录终点货位,出库记录起点货位
                    S_CNTR_CODE = task.S_CNTR_CODE,
                    S_ITEM_SPEC = cgDetail.S_ITEM_SPEC,
                    S_NET_WEIGHT = cgDetail.S_NET_WEIGHT,
                    S_QUALITY_GRADE = cgDetail.S_QUALITY_GRADE,
                    S_STANDARD = cgDetail.S_STANDARD,
                    S_TASK_NO = task.S_CODE,
                    T_RECORD_TIME = DateTime.Now,
                    S_TYPE = task.S_TYPE,
                    S_BS_CODE = task.S_BS_NO, // ERP单号,默认为空
                    N_QTY = cgDetail.N_ITEM_NUM,
                    S_NO = task.S_OP_CODE, // 出库/抽检/移库单
                };

                // 数据库操作
                if (db.Insertable(record).ExecuteCommand() <= 0) {
                    info = "插入出入库记录表失败:" + JsonConvert.SerializeObject(record);
                    LogHelper.Info(info);
                    return;
                }

                info = "插入出入库记录表成功";
                LogHelper.Info(info);
            }
            catch (Exception ex) {
                LogHelper.InfoEx(ex);
            }
        }

        /// <summary>
        /// AGV产线安全交互逻辑实现
        /// </summary>
        /// <param name="model"></param>
        /// <returns></returns>
        public static ReturnResult SafetyInteraction(SafetyInteractionInfo model) {
            var db = new SqlHelper<object>().GetInstance();
            const string preLog = "AGV:产线安全交互:";

            try {
                ModbusHelper.Relink();

                var BZQ = Settings.GetTaskInfo(ETask.M满托下线入库).StartAreas;
                var loc = db.Queryable<TN_Location>()
                    .Where(l => BZQ.Contains(l.S_AREA_CODE) && l.S_AGV_SITE == model.station_name).First();

                if (loc == null) {
                    return NewReturnResult(1, preLog + $"AGV 站点{model.station_name}不是合法的产线接驳位站点");
                }

                if (!Settings.LocProdIdMap.TryGetValue(loc.S_CODE, out var prodIndex)) {
                    return NewReturnResult(1, preLog + $"AGV 站点{model.station_name}不是合法的产线接驳位站点");
                }

                var prodLineInfo = Settings.ProductionLines[prodIndex];

                var prodLineDevice = new ProductionLineDevice(prodLineInfo);
                if (!prodLineDevice.LoadDeviceStateOk()) {
                    return NewReturnResult(2, preLog + "与产线设备通讯失败");
                }

                //var tn_task = db.Queryable<TN_Task>().First(a => a.S_CODE == model.task_no);
                //if (tn_task == null) {
                //    LogHelper.Info($"任务号 '{model.task_no}' 不存在");
                //}
                //if (prodLineDevice.SystemState == 1) {
                //    if (prodLineDevice.FullOffline == 1 && tn_task.S_TYPE == TaskName.托盘_满托下线入库) {
                //        prodLineDevice.AgvPicking = 1;
                //    }
                //    if (prodLineDevice.AllowAgvPlacePallet == 1 && tn_task.S_TYPE == TaskName.托盘_空托上线) {
                //        prodLineDevice.AgvPlacingPallet = 1;
                //    }
                //}

                if (prodLineDevice.SystemState != 1) {
                    return NewReturnResult(3, preLog + $"当前产线无法与AGV联动:状态{prodLineDevice.SystemState}");
                }

                // 请求取货
                if (model.apply_code == "5") {
                    if (prodLineDevice.FullOffline != 1) {
                        return NewReturnResult(4, preLog + $"当前输送线满料下线信号不为1,无法取货");
                    }
                    
                    if (!prodLineDevice.SetAgvPicking(1)) {
                        return NewReturnResult(5, preLog + $"向输送线写入允许取货信号失败");
                    }
                    
                    return NewReturnResult(0, preLog + $"向输送线写入允许取货信号成功");
                }
                // 请求卸货
                else if (model.apply_code == "1") {
                    if (prodLineDevice.AllowAgvPlacePallet != 1) {
                        return NewReturnResult(6, preLog + $"当前输送线允许放托盘信号不为1,无法放货");
                    }

                    if (!prodLineDevice.SetAgvPlacingPallet(1)) {
                        return NewReturnResult(7, preLog + $"向输送线写入允许放货信号失败");
                    }

                    return NewReturnResult(0, preLog + $"向输送线写入允许放货信号成功");
                }
                else {
                    return NewReturnResult(8, preLog + $"当前AGV请求码不为 5取货 或 1卸货");
                }

            }
            catch (Exception ex) {
                return NewReturnResult(1, preLog + $"发生了异常:{ex.Message}\n\n{ex.StackTrace}\n");
            }
        }

        public static void UpdateOutboundTaskState(int spotStateCode) {
            var taskName = ETask.C成品胶出库.Name();
            var db = new SqlHelper<object>().GetInstance();

            var detail = db.Queryable<TN_Outbound_Detail>()
                .First(d => d.N_B_STATE == 2);

            if (detail == null) {
                LogHelper.Info($"{taskName}:AGV取货:查询明细单:当前没有执行中的明细单");
                return;
            }

            using (var tran = db.Ado.UseTran()) {
                detail.N_B_STATE = spotStateCode;
                if (db.Updateable(detail).UpdateColumns(it => it.N_B_STATE).ExecuteCommand() <= 0) {
                    tran.RollbackTran();
                    LogHelper.Info($"{taskName}:AGV取货:修改明细单状态为【3任务执行完成】失败!");
                    return;
                }

                var finishedCount = db.Queryable<TN_Outbound_Detail>().Count(d => d.S_OO_NO == detail.S_OO_NO && d.N_B_STATE == 3);
                var allCount = db.Queryable<TN_Outbound_Detail>().Count(d => d.S_OO_NO == detail.S_OO_NO);

                LogHelper.Info($"{taskName}:AGV取货:统计任务已完成:{finishedCount}/{allCount}");

                if (finishedCount == allCount) { // 当前出库单下的所有明细单,任务都已经完成

                    if (db.Updateable<TN_Outbound_Order>().SetColumns(it => it.N_B_STATE == 3)
                        .Where(it => it.S_NO == detail.S_OO_NO)
                        .ExecuteCommand() <= 0) {

                        tran.RollbackTran();
                        LogHelper.Info($"{taskName}:AGV取货:所有任务完成时:修改单据状态为3任务执行完成--失败!");
                        return;
                    }
                }

                tran.CommitTran();
            }
        }

        public static void PickUpReturnErp(TN_Task task) {
            var db = new SqlHelper<object>().GetInstance();
            var info = "";
            var httpH = new HttpHelper();
            
            try {
                var plan = db.Queryable<TN_Outbound_Plan>()
                    .Where(p => p.JHDH == task.S_BS_NO)
                    .First();

                if (plan == null) {
                    info = $"计划单号{task.S_BS_NO}不存在!";
                    LogHelper.Info(info);
                }

                var cgDetail = db.Queryable<TN_CG_Detail>()
                    .Where(d => d.S_CNTR_CODE == task.S_CNTR_CODE)
                    .First();

                if (cgDetail == null) {
                    info = $"物料编码不存在!";
                    LogHelper.Info(info);
                }

                var model = new OtherModel.PickUpReturnErpInfo {
                    jhdh = plan.JHDH, // 计划单号 (唯一标识) 
                    ckzt = plan.CKZT, // 出库状态 (需要返回) 
                    jhlb = plan.JHLB, // 计划类别
                    ckdh = plan.CKDH, // 参考单号
                    cph = plan.CPH, // 车牌号
                    ysfs = plan.YSFS, // 运输方式
                    cpzt = plan.CPZT, // 产品状态
                    mddw = plan.MDDW, // 买断单位
                    cpdm = plan.CPDM, // 产品代码
                    cplb = plan.CPLB, // 产品类别
                    cplbmx = plan.CPLBMX, // 产品类别明细
                    pp = plan.PP, // 品牌
                    dj = plan.DJ, // 等级 (需要返回) 
                    gh = plan.GH, // 罐号
                    ph = plan.PH, // 批号 (需要返回) 
                    bzlx = plan.BZLX, // 包装类型
                    pzdh = plan.PZDH, // 派装单号
                    pzd_dw = plan.PZD_DW, // 派装单单位
                    pzd_dybh = plan.PZD_DYBH, // 派装单调运编号
                    pzjs = plan.PZJS, // 派装件数
                    pzsl = plan.PZSL, // 派装数量
                    pz_rq = plan.PZ_RQ, // 派装日期(yyyy-mm-dd)
                    pz_czrq = plan.PZ_CZRQ, // 派装操作日期
                    pz_zfbj = plan.PZ_ZFBJ, // 派装作废标记
                    pz_zfrq = plan.PZ_ZFRQ, // 派装作废日期
                    pz_bz = plan.PZ_BZ, // 派装备注
                    ckdbh = plan.CKDBH, // 出库单编号
                    sfjs = plan.SFJS, // 实发件数 (需要返回) --更新
                    sfsl = plan.SFSL, // 实发数量 (需要返回) --更新
                    //sfcs = plan.SFCS , // 实发车数 (需要返回) 
                    //zcsj = plan.ZCSJ , // 装车时间 (需要返回) 
                    //jldw = plan.JLDW , // 计量单位 (需要返回) 
                    //fhrq = plan.FHRQ , // 发货日期 (需要返回) 
                    //ckdm = plan.CKDM , // 仓库代码 (需要返回) 
                    //fhr = plan.FHR , // 发货人 (需要返回) 
                    //czydm = plan.CZYDM , // 操作员 (需要返回) 
                    shr_username = plan.SHR_USERNAME, // 审核人
                    shrq = plan.SHRQ, // 审核日期
                    zfbj = plan.ZFBJ, // 作废标记
                    zfrq = plan.ZFRQ, // 作废日期
                    jsdw = plan.JSDW, // 结算单位
                    shdw = plan.SHDW, // 收货单位
                    ysdw = plan.YSDW, // 运输单位
                    lxr = plan.LXR, // 联系人
                    //ry_zxg = plan.RY_ZXG , // 装卸工 (需要返回) 
                    //ry_ccsj = plan.RY_CCSJ , // 叉车司机 (需要返回) 
                    erphx_jhdh = plan.ERPHX_JHDH, // erp交货单号
                    erphx_wlbm = plan.ERPHX_WLBM, // erp物料编码
                    erphx_wlmc = plan.ERPHX_WLMC, // erp物料名称
                    erphx_cjrq = plan.ERPHX_CJRQ, // erp创建日期
                    hw = plan.HW, // 货位 (需要返回) 
                    hwzt = plan.HWZT // 货位状态 (需要返回) 
                };
                model.sfjs = cgDetail.N_ITEM_NUM;
                model.sfsl = (decimal) cgDetail.F_QTY; // TEMP
                model.hwzt = "已出库";

                var jsonInfo = JsonConvert.SerializeObject(model);
                var result = httpH.WebPost(Settings.ErpApiUrl + Settings.ErpRoute.PickUpReturn, jsonInfo);

                LogHelper.InfoApi($"取货完成反馈ERP接口,结果={result},调用参数:", model);

                plan.SFJS = model.sfjs;
                plan.SFSL = model.sfsl;
                plan.HWZT = model.hwzt;
                var success = db.Updateable(plan).UpdateColumns(p => new { p.SFJS, p.SFSL, p.HWZT }).ExecuteCommand() > 0;
                info = "更新出库计划单记录表" + (success ? "成功" : "失败");
                LogHelper.Info(info);
            }
            catch (Exception ex) {
                LogHelper.InfoEx(ex);
            }
        }

        /// <summary>
        /// 任务分发,根据调度类型发给不同的调度系统
        /// </summary>
        internal static void Dispatch() {
            //获取所有等待的任务
            var list = WCSHelper.GetWaitingTaskList();
            if (list.Count > 0) {
                LogHelper.Info($"轮询:任务分发:等待任务信息\n\n{JsonConvert.SerializeObject(list)}\n");
                list.ForEach(task => {
                    //使用自定义任务推送
                    //TaskProcess.SendTask(task);//调度NDC或杭奥或国自设备
                    TaskProcess.SendNDCTask(task);
                });
            }
            else {
                LogHelper.Debug("轮询:任务分发:暂无任务");
            }
        }

        // TCP 非轮询方式 模拟产线下线的尝试

        public static void StartServer() {
            var ListenPort = Settings.TcpServerPort;
            TcpListener listener = new TcpListener(IPAddress.Any, ListenPort);
            listener.Start();
            Console.WriteLine($"后台服务已启动,监听端口 {ListenPort}...");

            while (true) {
                try {
                    // 接受产线连接
                    System.Net.Sockets.TcpClient client = listener.AcceptTcpClient();
                    Console.WriteLine($"产线客户端已连接: {client.Client.RemoteEndPoint}");

                    // 处理客户端请求 (使用Task避免阻塞主线程) 
                    Task.Run(() => HandleClientRequest(client));
                }
                catch (Exception ex) {
                    Console.WriteLine($"服务端异常: {ex.Message}");
                }
            }
        }

        public static void HandleClientRequest(System.Net.Sockets.TcpClient client) {
            var db = new SqlHelper<object>().GetInstance();
            using (client)
            using (NetworkStream stream = client.GetStream()) {
                try {
                    // 读取产线消息
                    byte[] buffer = new byte[1024];
                    int bytesRead = stream.Read(buffer, 0, buffer.Length);
                    string jsonMessage = Encoding.UTF8.GetString(buffer, 0, bytesRead);

                    // 解析消息
                    var message = JsonConvert.DeserializeObject<ProductCompletedMessage>(jsonMessage);
                    //Console.WriteLine($"收到产品完成通知 - 物料:{message.ItemCode};批次号:{message.BatchNo};容器号:{message.CntrCode}");
                    LogHelper.Info($"收到产品下线通知:"+message);

                    string startLocCode = "";

                    // A. 如果是单个产线PLC,通过TCP传播,需要传递产线ID,根据ID计算起点货位
                    //startLocCode = Settings.ProductionLines[message.Id].OffLoc[0]; // 理论上应该只有1个OffLoc,否则应该注明是哪一个
                    
                    // B. 如果是每条产线各一个客户端,更简单,直接根据IP地址确定终点货位
                    // TODO 具体逻辑待后续确定时补完

                    var success = CreateInboundTask(startLocCode, message.CntrCode).Value;

                    // 发送响应
                    string response = success ? "ACK: 机器人已调度" : "NAK: 调度失败";
                    byte[] responseData = Encoding.UTF8.GetBytes(response);
                    stream.Write(responseData, 0, responseData.Length);
                }
                catch (Exception ex) {
                    Console.WriteLine($"处理客户端请求异常: {ex.Message}");
                }
            }
        }

        /// <summary>
        /// 入库作业创建只接收起点货位和容器号 (物料信息待定,通过产线号计算起点的逻辑放在方法外) 
        /// </summary>
        /// <param name="startLocCode"></param>
        /// <param name="cntrCode"></param>
        /// <returns></returns>
        public static Result<bool> CreateInboundTask(string startLocCode, string cntrCode) {
            var db = new SqlHelper<object>().GetInstance();
            var info = "";

            var taskInfo = Settings.GetTaskInfo(ETask.M满托下线入库);
            var taskName = taskInfo.TaskName;
            var startAreas = taskInfo.StartAreas;
            var endAreas = taskInfo.EndAreas;
            const string cntrType = "托盘";

            try {
                var startLoc = db.Queryable<TN_Location>()
                .Where(l => l.S_CODE == startLocCode)
                .Where(l => startAreas.Contains(l.S_AREA_CODE))
                .Where(l => l.N_LOCK_STATE == 0 && l.S_LOCK_STATE == "无" && l.C_ENABLE == "Y")
                //.Where(l => l.N_CURRENT_NUM == 0) // 绑定前
                .First();

                if (startLoc == null) {
                    info = $"没有找到起点货位'{startLocCode}',或不满足要求:未上锁,当前容器数量=0";
                    LogHelper.Info(info);
                    return new Result<bool>(false, info);
                }

                var locCntrRelOld = db.Queryable<TN_Loc_Container>()
                    .Where(c => c.S_CNTR_CODE == cntrCode).First();

                // 绑定货位和容器号
                var locCntrRel = new TN_Loc_Container {
                    S_LOC_CODE = startLocCode,
                    S_CNTR_CODE = cntrCode,
                    S_CNTR_TYPE = cntrType,
                };

                startLoc.N_CURRENT_NUM = 1; // 绑定后

                var endLoc = db.Queryable<TN_Location>()
                    .Where(a => endAreas.Contains(a.S_AREA_CODE))
                    .Where(a => a.N_LOCK_STATE == 0 && a.S_LOCK_STATE == "无" && a.C_ENABLE == "Y") // 筛选:未上锁
                    .Where(a => a.N_CURRENT_NUM == 0) // 筛选:空货位
                    .OrderBy(l => l.N_LAYER)
                    .First();

                if (endLoc == null) {
                    info = $"没有找到合适的【终点货位】,需要满足要求:未上锁,当前容器数量=0";
                    LogHelper.Info(info);
                    return new Result<bool>(false, info);
                }

                var cntId = locCntrRel.S_CNTR_CODE;
                var task = WCSHelper.BuildTask(startLoc, endLoc, cntId, taskName);

                WCSHelper.LockStartLoc(ref startLoc); // 起点出库锁
                WCSHelper.LockEndLoc(ref endLoc); // 终点入库锁

                using (var tran = db.Ado.UseTran()) {
                    if (locCntrRelOld != null) {
                        if (db.Deleteable(locCntrRelOld).ExecuteCommand() <= 0 &&
                            db.Updateable<TN_Location>().SetColumns(l => l.N_CURRENT_NUM == 0).Where(l => l.S_CODE == locCntrRelOld.S_LOC_CODE).ExecuteCommand() <= 0) {
                            tran.RollbackTran();
                            info = $"删除旧货位容器关系表失败:货位编码{locCntrRelOld.S_LOC_CODE},容器编码{locCntrRelOld.S_CNTR_CODE}";
                            LogHelper.Info(info);
                            return new Result<bool>(false, info);
                        }
                    }

                    if (db.Insertable(locCntrRel).ExecuteCommand() <= 0) {
                        tran.RollbackTran();
                        info = $"插入货位容器关系表失败:货位编码{locCntrRel.S_LOC_CODE},容器编码{locCntrRel.S_CNTR_CODE}";
                        LogHelper.Info(info);
                        return new Result<bool>(false, info);
                    }

                    if (db.Updateable(startLoc).UpdateColumns(it => new {
                        it.N_LOCK_STATE,
                        it.S_LOCK_STATE,
                        it.S_LOCK_OP,
                        it.T_MODIFY,
                        it.N_CURRENT_NUM, // 起点货位绑定后,将货位状态更新
                    }).ExecuteCommand() <= 0) {
                        tran.RollbackTran();
                        info = $"生成任务'{taskName}'失败:更新起点货位{startLoc.S_CODE}锁状态失败";
                        LogHelper.Info(info);
                        return new Result<bool>(false, info);
                    }

                    if (db.Updateable(endLoc).UpdateColumns(it => new {
                        it.N_LOCK_STATE,
                        it.S_LOCK_STATE,
                        it.S_LOCK_OP,
                        it.T_MODIFY,
                    }).ExecuteCommand() <= 0) {
                        tran.RollbackTran();
                        info = $"生成任务'{taskName}'失败:更新终点货位{endLoc.S_CODE}锁状态失败";
                        LogHelper.Info(info);
                        return new Result<bool>(false, info);
                    }

                    if (db.Insertable(task).ExecuteCommand() <= 0) {
                        tran.RollbackTran();
                        info = $"生成任务'{taskName}'失败,任务号={task.S_CODE},容器号={cntId},起点={startLoc.S_CODE},终点={endLoc.S_CODE}";
                        LogHelper.Info(info);
                        return new Result<bool>(false, info);
                    }

                    tran.CommitTran();
                    info = $"生成任务'{taskName}'成功,任务号={task.S_CODE},容器号={cntId},起点={startLoc.S_CODE},终点={endLoc.S_CODE}";
                    LogHelper.Info(info);
                    return new Result<bool>(true, info);
                }
            }
            catch (Exception ex) {
                return NewResult(false, ex.Message);
            }
        }

        private static Result<bool> NewResult(bool res, string msg, bool log = true) {
            if (log) { LogHelper.Info(msg); }
            return new Result<bool>(res, msg);
        }

    }

    public class ProductCompletedMessage {
        public int Id { get; set; }
        //public string ItemCode { get; set; }
        //public string BatchNo { get; set; }
        public string CntrCode { get; set; }
    }

    public class Result<T> {
        public T Value { get; set; }
        public string Content { get; set; }

        public Result(T value, string content) { 
            Value = value;
            Content = content;
        }
    }
}