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

using HH.WCS.Mobox3.DSZSH.device;
using HH.WCS.Mobox3.DSZSH.models;
using HH.WCS.Mobox3.DSZSH.util;
using HH.WCS.Mobox3.DSZSH.wms;
using Microsoft.Win32;

using Newtonsoft.Json;

namespace HH.WCS.Mobox3.DSZSH.core {
    public class Monitor {
        public class ItemData {
            public string item_code { get; set; }
            public string batch_no { get; set;}
            public string cntr_code { get; set; }
        }

        public static void CheckInbound() {                
            var db = new SqlHelper<object>().GetInstance();
            var info = "";

            const string taskName = TaskName.T托盘_满托下线入库;
            const string cntrType = "托盘";

            try {
                // 查产线是否有物料信息
                foreach (var prod in Settings.ProductionLines) {
                    if (int.Parse(prod.Id) > 1) break; // TEST

                    //var prodDevice = new ProductionLineDevice(prod); // TODO 待需求确定后再处理
                    //TcpClientHelper.Link("127.0.0.1", 8550); // 用于测试
                    TcpClientHelper.Link(prod.PlcIp, prod.PlcPort);

                    // TCPClient传递信息的时候，不要用断点阻塞程序
                    // {"item_code":"CG1001","batch_no":"BN1001","cntr_code":"CN2505111"}
                    if (!TcpClientHelper.TryReadProductionLine(out byte[] read)) {
                        info = $"测试{prod.Id}号产线{prod.PlcIp}:{prod.PlcPort}：读取产线信息失败";
                        LogHelper.Info(info);
                        continue;
                    }

                    // 3. 将寄存器值转换为字节数组
                    //byte[] bytes = TcpClientHelper.ConvertRegistersToBytes(registers);

                    // 4. 将字节数组转换为字符串
                    string result = TcpClientHelper.ConvertBytesToString(read);

                    //var itemData = BitConverter.ToString(read);
                    LogHelper.Info($"读取的产线信息{result}");
                    var data = JsonConvert.DeserializeObject<ItemData>(result);

                    LogHelper.Info(JsonConvert.SerializeObject(data));

                    var itemCode = data.item_code;
                    var batchNo = data.batch_no;
                    var cntrCode = data.cntr_code;

                    var startLocCode = prod.OffLoc[0]; // 用于测试
                    //var startLocCode = "CX01"; // 用于测试

                    var cgDetail = new TN_CG_Detail {
                        S_ITEM_CODE = itemCode,
                        S_BATCH_NO = batchNo,
                        S_CNTR_CODE = cntrCode,
                    };

                    var needInsertContainer = false;
                    var needUpdateContainer = false;

                    // TEMP 自动触发的托盘下线暂时不考虑判断，默认没有时写入
                    // 查容器信息表是否已经有这个容器
                    var cntr = db.Queryable<TN_Container>()
                        .Where(c => c.S_CODE == cntrCode).First();
                    // 如果找不到该容器，需要添加，并且将容器来源设置为任务名称
                    if (cntr == null) {
                        needInsertContainer = true;
                        LogHelper.Info($"轮询：{taskName}：容器：{cntrCode}，在容器表中没有登记，登记并设置容器来源为：{taskName}");

                        cntr = new TN_Container {
                            S_CODE = cntrCode,
                            S_TYPE = cntrType,
                            S_SPEC = itemCode,
                        };
                    }
                    else {
                        // 如果找到该容器，但容器物料类型与下线物料不符，记录并直接覆盖（待定）
                        if (!string.IsNullOrEmpty(cntr.S_SPEC) && cntr.S_SPEC != itemCode) {
                            needUpdateContainer = true;
                            LogHelper.Info($"轮询：{taskName}：容器表中容器{cntrCode}对应的物料信息：{cntr.S_SPEC}，" +
                                $"与所需要的物料信息{itemCode}不符，直接覆盖结果");

                            cntr.S_SPEC = itemCode;
                        }
                    }

                    var startLoc = db.Queryable<TN_Location>()
                        .Where(l => l.S_CODE == startLocCode) // 指定：起点货位号
                        .Where(l => l.N_LOCK_STATE == 0 && l.S_LOCK_STATE == "无" && l.C_ENABLE == "Y") // 筛选：未上锁
                        .Where(l => l.N_CURRENT_NUM == 0)
                        .First();

                    if (startLoc == null) {
                        info = $"起点位置 '{startLocCode}' 不存在或不具备取货要求";
                        LogHelper.Info(info);
                        continue;
                    }

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

                    var endLoc = db.Queryable<TN_Location>()
                        .Where(a => Settings.AreaMap[AreaName.K空托存放区].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 = "空托入库暂时没有合适的货位可以入库";
                        LogHelper.Info(info);
                        continue;
                    }

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

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

                    cntr.S_SOURCE = task.S_CODE;
                    cntr.T_MODIFY = DateTime.Now;

                    using (var tran = db.Ado.UseTran()) {
                        if (needInsertContainer) {
                            if (db.Insertable<TN_Container>(cntr).ExecuteCommand() <= 0) {
                                info = $"插入容器表失败：" + JsonConvert.SerializeObject(cntr);
                                tran.RollbackTran();
                                LogHelper.Info(info);
                                continue;
                            }
                        }
                        else if (needUpdateContainer) {
                            if (db.Updateable<TN_Container>(cntr)
                                .UpdateColumns(c => new { c.S_SPEC, c.S_SOURCE, c.T_MODIFY }).ExecuteCommand() <= 0) {
                                info = $"更新容器表失败：" + JsonConvert.SerializeObject(cntr);
                                tran.RollbackTran();
                                LogHelper.Info(info);
                                continue;
                            }
                        }

                        if (db.Insertable<TN_CG_Detail>(cgDetail).ExecuteCommand() <= 0) {
                            tran.RollbackTran();
                            info = $"插入容器货品信息表失败：物料编码{cgDetail.S_ITEM_CODE}，容器编码{cgDetail.S_CNTR_CODE}";
                            LogHelper.Info(info);
                            continue;
                        }

                        if (db.Insertable<TN_Loc_Container>(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);
                            continue;
                        }

                        if (db.Updateable<TN_Location>(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);
                            continue;
                        }

                        if (db.Updateable<TN_Location>(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);
                            continue;
                        }

                        if (db.Insertable<TN_Task>(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);
                            continue;
                        }

                        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);
                        continue;
                    }
                }

            }
            catch (Exception ex) {
                LogHelper.InfoEx(ex);
            }

        }

        public static void CheckOutboundOrder() {
            var db = new SqlHelper<object>().GetInstance();
            var info = "";

            const string taskName = TaskName.C成品胶出库;

            try {
                var orderList = db.Queryable<TN_Outbound_Order>()
                    .Where(c => c.N_B_STATE == 1)
                    .OrderBy(c => c.T_CREATE, SqlSugar.OrderByType.Asc)
                    .ToList();

                if (orderList.Count == 0) {
                    info = $"轮询：{taskName}：暂无待执行的{taskName}单";
                    LogHelper.Info(info);
                    return;
                }

                var detailList = new List<TN_Outbound_Detail>();
                foreach (var order in orderList) {
                    var doingCount = db.Queryable<TN_Outbound_Detail>()
                        .Count(d => d.S_OO_NO == order.S_NO && d.N_B_STATE >= 2); // 执行中
                    var allCount = db.Queryable<TN_Outbound_Detail>()
                        .Count(d => d.S_OO_NO == order.S_NO);
                    info = $"轮询：{taskName}：统计{taskName}单'{order.S_NO}'任务已下发：{doingCount}/{allCount}";
                    LogHelper.Info(info);

                    if (doingCount == allCount) {
                        order.N_B_STATE = 2; // 所有任务都已执行
                        db.Updateable<TN_Outbound_Order>(order).UpdateColumns(it => new { it.N_B_STATE }).ExecuteCommand();
                        continue;
                    }

                    var lastDetail = db.Queryable<TN_Outbound_Detail>()
                        .Where(d => d.S_OO_NO == order.S_NO && d.N_B_STATE == 2) // [NOTE] 或者改成查task
                        .First();

                    if (lastDetail != null) {
                        info = $"轮询：{taskName}：{taskName}单'{order.S_NO}'上一个任务仍在进行中：" + JsonConvert.SerializeObject(lastDetail);
                        LogHelper.Info(info);
                        continue;
                    }

                    var outboundDetail = db.Queryable<TN_Outbound_Detail>()
                        .Where(a => a.S_OO_NO == order.S_NO && a.N_B_STATE == 1) // 已下发
                        .First();

                    if (outboundDetail == null) {
                        info = $"轮询：{taskName}：仍有任务未执行完成，但当前没有已下发的任务";
                        LogHelper.Info(info);
                        continue;
                    }

                    detailList.Add(outboundDetail);
                }

                if (detailList.Count == 0) {
                    // 上面流程已经打印过日志
                    return;
                }

                foreach (var detail in detailList) {
                    var startLoc = db.Queryable<TN_Location>()
                        .LeftJoin<TN_Loc_Container>((l, c) => l.S_CODE == c.S_LOC_CODE)
                        .Where((l, c) => c.S_CNTR_CODE == detail.S_CNTR_CODE) // 根据容器号搜索起点货位
                        .Where(l => l.N_LOCK_STATE == 0 && l.S_LOCK_STATE == "无" && l.C_ENABLE == "Y") // 筛选：未上锁
                        .Where(l => l.N_CURRENT_NUM == 1)
                        .First();

                    if (startLoc == null) {
                        info = $"轮询：{taskName}：没有找到合适的起点货位！";
                        LogHelper.Info(info);
                        continue;
                    }

                    var endLoc = db.Queryable<TN_Location>()
                        .Where(a => a.S_AREA_CODE == detail.S_END_AREA)
                        .Where(a => a.N_LOCK_STATE == 0 && a.S_LOCK_STATE == "无" && a.C_ENABLE == "Y")
                        .Where(a => a.N_CURRENT_NUM == 0).First();

                    if (endLoc == null) {
                        info = $"轮询：{taskName}：没有找到合适的终点货位！单号'{detail.S_OO_NO}'要求终点库区为'{detail.S_END_AREA}'";
                        LogHelper.Info(info);
                        continue;
                    }
                    
                    detail.N_B_STATE = 2;

                    var cntId = detail.S_CNTR_CODE;

                    var erp_no = string.IsNullOrEmpty(detail.S_BS_NO) ? "" : detail.S_BS_NO;
                    var task = WCSHelper.BuildTask(startLoc, endLoc, cntId, taskName, detail.S_OO_NO, erp_no);

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

                    using (var tran = db.Ado.UseTran()) {
                        if (db.Updateable<TN_Outbound_Detail>(detail).UpdateColumns(it => it.N_B_STATE).ExecuteCommand() <= 0) {
                            tran.RollbackTran();
                            info = $"轮询：{taskName}：修改明细表状态为完成--失败！";
                            LogHelper.Info(info);
                            continue;
                        }

                        if (db.Updateable<TN_Location>(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);
                            continue;
                        }

                        if (db.Updateable<TN_Location>(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);
                            continue;
                        }

                        if (db.Insertable<TN_Task>(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);
                            continue;
                        }

                        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);
                        continue;
                    }
                }


                //// BEG 查找6个月以前的任务表和任务动作表
                //var oldTaskList = db.Queryable<TN_Task>()
                //    .Where(t => t.T_MODIFY < DateTime.Now.AddMonths(-6))
                //    .Where(t => t.N_B_STATE == 3 && t.S_B_STATE == "完成")
                //    .ToList();

                //var oldTaskActionList = db.Queryable<TN_Task, TN_Task_Action>((t, a) => t.S_CODE == a.S_TASK_CODE)
                //    .Where(t => t.T_MODIFY < DateTime.Now.AddMonths(-6))
                //    .Where(t => t.N_B_STATE == 3 && t.S_B_STATE == "完成")
                //    .Select((t, a) => a)
                //    .ToList();
                //// END

                //using (var tran = db.Ado.UseTran()) {
                //    // 在出库轮询中处理，查找任务单是否有半年前且已经完成的任务，如果有则删除
                //    // 这个操作不影响正常流程，如果失败也不需要回滚
                //    //if (db.Deleteable<TN_Task>()
                //    //    .Where(t => t.T_MODIFY < DateTime.Now.AddMonths(-6))
                //    //    .Where(t => t.N_B_STATE == 3 && t.S_B_STATE == "完成")
                //    //    .ExecuteCommand() <= 0) {
                //    //    info = $"轮询{taskName}单时尝试删除半年前的任务失败";
                //    //    LogHelper.Info(info);
                //    //}
                //    if (db.Deleteable<TN_Task>(oldTaskList).ExecuteCommand() <= 0
                //        && db.Deleteable<TN_Task_Action>(oldTaskActionList).ExecuteCommand() <= 0) {
                //        info = $"轮询{taskName}单时尝试删除半年前的任务失败";
                //        LogHelper.Info(info);
                //    }
                //}

            }
            catch (Exception ex) {
                info = $"轮询：{taskName}：发生了异常：{ex.Message}";
                LogHelper.InfoEx(ex);
            }
        }

        public static void CheckCheckOrder() {
            var db = new SqlHelper<object>().GetInstance();
            var info = "";

            const string taskName = TaskName.C抽检_出库;

            try {
                var orderList = db.Queryable<TN_Spot_Check>()
                    .Where(c => c.N_B_STATE == 1)
                    .OrderBy(c => c.T_CREATE, SqlSugar.OrderByType.Asc)
                    .ToList();

                if (orderList.Count == 0) {
                    LogHelper.Info($"轮询：{taskName}：暂无待执行的{taskName}单");
                    return;
                }

                var detailList = new List<TN_SpotCheck_Detail>();
                foreach (var order in orderList) {
                    var doingCount = db.Queryable<TN_SpotCheck_Detail>()
                        .Count(d => d.S_OO_NO == order.S_NO && d.N_B_STATE >= 2); // 执行中
                    var allCount = db.Queryable<TN_SpotCheck_Detail>()
                        .Count(d => d.S_OO_NO == order.S_NO);
                    LogHelper.Info($"轮询：{taskName}：统计{taskName}单'{order.S_NO}'任务已下发：{doingCount}/{allCount}");

                    if (doingCount == allCount) {
                        order.N_B_STATE = 2; // 所有任务都已执行
                        db.Updateable<TN_Spot_Check>(order).UpdateColumns(it => new { it.N_B_STATE }).ExecuteCommand();
                        continue;
                    }

                    var checkDetailList = db.Queryable<TN_SpotCheck_Detail>()
                        .Where(a => a.S_OO_NO == order.S_NO && a.N_B_STATE == 1) // 已下发
                        .ToList();

                    if (checkDetailList.Count == 0) {
                        LogHelper.Info($"轮询：{taskName}：仍有任务未执行完成，但当前没有已下发的任务");
                        continue;
                    }

                    foreach (var checkDetail in checkDetailList) {
                        detailList.Add(checkDetail);
                    }
                }

                foreach (var detail in detailList) {
                    var startLoc = db.Queryable<TN_Location>()
                        .LeftJoin<TN_Loc_Container>((l, c) => l.S_CODE == c.S_LOC_CODE)
                        .Where((l, c) => c.S_CNTR_CODE == detail.S_CNTR_CODE)
                        .First();

                    if (startLoc == null) {
                        LogHelper.Info($"轮询：{taskName}：没有找到合适的起点货位！");
                        continue;
                    }

                    var endLoc = db.Queryable<TN_Location>()
                        .Where(l => l.S_AREA_CODE == detail.S_END_AREA)
                        .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).First();

                    if (endLoc == null) {
                        LogHelper.Info($"轮询：{taskName}：没有找到合适的终点货位！");
                        continue;
                    }

                    detail.N_B_STATE = 2;

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

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

                    using (var tran = db.Ado.UseTran()) {
                        if (db.Updateable<TN_SpotCheck_Detail>(detail).UpdateColumns(it => it.N_B_STATE).ExecuteCommand() <= 0) {
                            tran.RollbackTran();
                            LogHelper.Info($"轮询：{taskName}：修改{taskName}单明细表状态为完成--失败！");
                            continue;
                        }

                        if (db.Updateable<TN_Location>(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);
                            continue;
                        }

                        if (db.Updateable<TN_Location>(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);
                            continue;
                        }

                        if (db.Insertable<TN_Task>(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);
                            continue;
                        }

                        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);
                        continue;
                    }
                }
            }
            catch (Exception ex) {
                LogHelper.InfoEx(ex);
            }
        }

        public static void CheckShiftOrder() {                
            var db = new SqlHelper<object>().GetInstance();
            var info = "";

            const string taskName = TaskName.Y移库;

            try {
                var orderList = db.Queryable<TN_Relocation_List>()
                    .Where(c => c.N_B_STATE == 1)
                    .OrderBy(c => c.T_CREATE, SqlSugar.OrderByType.Asc)
                    .ToList();

                if (orderList.Count == 0) {
                    LogHelper.Info($"轮询：{taskName}：暂无待执行的{taskName}单");
                    return;
                }

                var detailList = new List<TN_RelocationList_Detail>();
                foreach (var order in orderList) {
                    var doingCount = db.Queryable<TN_RelocationList_Detail>()
                        .Count(d => d.S_OO_NO == order.S_NO && d.N_B_STATE >= 2); // 执行中
                    var allCount = db.Queryable<TN_RelocationList_Detail>()
                        .Count(d => d.S_OO_NO == order.S_NO);
                    LogHelper.Info($"轮询：{taskName}：统计{taskName}单={order.S_NO}任务已下发：{doingCount}/{allCount}");

                    if (doingCount == allCount) {
                        order.N_B_STATE = 2; // 所有任务都已执行
                        db.Updateable<TN_Relocation_List>(order).UpdateColumns(it => new { it.N_B_STATE }).ExecuteCommand();
                        continue;
                    }

                    var checkDetailList = db.Queryable<TN_RelocationList_Detail>()
                        .Where(a => a.S_OO_NO == order.S_NO && a.N_B_STATE == 1) // 已下发
                        .ToList();

                    if (checkDetailList.Count == 0) {
                        LogHelper.Info($"轮询：{taskName}：仍有任务未执行完成，但当前没有已下发的任务");
                        continue;
                    }

                    foreach (var checkDetail in checkDetailList) {
                        detailList.Add(checkDetail);
                    }
                }

                foreach (var detail in detailList) {
                    var startLoc = db.Queryable<TN_Location>()
                        .LeftJoin<TN_Loc_Container>((l, c) => l.S_CODE == c.S_LOC_CODE)
                        .Where((l, c) => c.S_CNTR_CODE == detail.S_CNTR_CODE)
                        .Where(l => l.N_LOCK_STATE == 0 && l.S_LOCK_STATE == "无" && l.C_ENABLE == "Y") // 筛选：未上锁
                        .Where(l => l.N_CURRENT_NUM == 1)
                        .First();

                    if (startLoc == null) {
                        info = $"轮询：{taskName}：没有找到容器号={detail.S_CNTR_CODE}的起点货位！需要满足：未上锁、当前容器数量=1";
                        LogHelper.Info(info);
                        continue;
                    }

                    var endLoc = db.Queryable<TN_Location>()
                        .Where(l => l.S_AREA_CODE == detail.S_END_AREA)
                        .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).First();

                    if (endLoc == null) {
                        info = $"轮询：{taskName}：没有找到终点货位={detail.S_END_AREA}的终点货位！需要满足：未上锁、当前容器数量=0";
                        LogHelper.Info(info);
                        continue;
                    }

                    detail.N_B_STATE = 2;

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

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

                    using (var tran = db.Ado.UseTran()) {
                        if (db.Updateable<TN_RelocationList_Detail>(detail).UpdateColumns(it => it.N_B_STATE).ExecuteCommand() <= 0) {
                            tran.RollbackTran();
                            LogHelper.Info($"轮询：{taskName}：修改{taskName}单明细表状态为完成--失败！");
                            continue;
                        }

                        if (db.Updateable<TN_Location>(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);
                            continue;
                        }

                        if (db.Updateable<TN_Location>(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);
                            continue;
                        }

                        if (db.Insertable<TN_Task>(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);
                            continue;
                        }   

                        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);
                        continue;
                    }
                }
            }
            catch (Exception ex) {
                LogHelper.InfoEx(ex);
            }
        }
    }
}