using System;
using System.Collections.Generic;
using System.Linq;
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 static HH.WCS.Mobox3.DSZSH.api.ApiModel;

namespace HH.WCS.Mobox3.DSZSH.core {
    public class WCSCore {
        public static ReturnResult OperateAgvTaskStatus(AgvTaskState model) {
            var result = new ReturnResult();
            try {
                switch (model.state) {
                    case 1023:
                        break;
                    case 1025:
                        break;
                    case 1012:
                        break;
                    case 1004:
                        break;
                    case 1103:
                        break;
                    default:
                        // 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
                            result.ResultCode = 1;
                            result.ResultMsg = $"根据Model.No未找到对应的任务，{model.task_no}";
                            LogHelper.Info(result.ResultMsg, "API");
                            return result;
                        }
                        break;
                }

                result.ResultCode = 0;
                result.ResultMsg = "success";
                LogHelper.Info(result.ResultMsg, "API");
                return result;
            }
            catch (Exception ex) {
                result.ResultCode = -1;
                result.ResultMsg = $"发生了异常：+{ex.Message}";
                LogHelper.Info(result.ResultMsg, "Error");
                return result;
            }

        }

        /// <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 == TaskName.C成品胶出库) {
                        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 != TaskName.H好运箱_空箱上线 && task.S_TYPE != TaskName.H好运箱_空箱入库 &&
                    task.S_TYPE != TaskName.T托盘_空托上线 && task.S_TYPE != TaskName.T托盘_空托入库) {
                    // 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> {
                    TaskName.H好运箱_满箱下线入库, TaskName.H好运箱_空箱入库, TaskName.T托盘_满托下线入库, TaskName.T托盘_空托入库,
                    TaskName.C抽检_合格回库, TaskName.C抽检_不合格移库, TaskName.Y移库
                };
                if (inboundTasks.Contains(task.S_TYPE)) {
                    isInbound= true;
                }

                var 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_TYPE,
                    N_QTY = cgDetail.N_ITEM_NUM,
                };

                // 数据库操作

                if (db.Insertable<TN_Record_Table>(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();
            var info = "";

            try {
                ModbusHelper.Relink();

                //var loc = db.Queryable<TN_Location>()
                //    .Where(l => l.S_AGV_SITE == model.station_name && Settings.AreaMap[AreaName.包装区].Contains(l.S_AREA_CODE))
                //    .First();

                if (!Settings.AgvSite_ProdLineCodeMap.TryGetValue(model.station_name, out int prodIndex)) {
                    info = $"AGV 站点{model.station_name}不是合法的产线接驳位站点";
                    LogHelper.Info(info);
                    return NewReturnResult(1, info);
                }

                var prodLineInfo = Settings.ProductionLines[prodIndex];

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

                //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) {
                    info = $"当前产线无法与AGV联动：状态{prodLineDevice.SystemState}";
                    LogHelper.Info(info);
                    return NewReturnResult(3, info);
                }

                if (model.apply_code == "5") { // 请求取货
                    if (prodLineDevice.FullOffline != 1) {
                        info = $"当前输送线满料下线信号不为1，无法取货";
                        LogHelper.Info(info);
                        return NewReturnResult(4, info);
                    }
                    
                    if (!prodLineDevice.SetAgvPicking(1)) {
                        info = $"向输送线写入允许取货信号失败";
                        LogHelper.Info(info);
                        return NewReturnResult(5, info);
                    }
                    
                    info = $"向输送线写入允许取货信号成功";
                    LogHelper.Info(info);
                    return NewReturnResult(0, info);

                }
                else if (model.apply_code == "1") { // 请求卸货
                    if (prodLineDevice.AllowAgvPlacePallet != 1) {
                        info = $"当前输送线允许放托盘信号不为1，无法放货";
                        LogHelper.Info(info);
                        return NewReturnResult(6, info);
                    }

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

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

            }
            catch (Exception ex) {
                info = $"发生了异常：{ex.Message}";
                LogHelper.InfoEx(ex);
                return NewReturnResult(1, info);
            }
        }

        public static void UpdateOutboundTaskState(int spotStateCode) {
            var taskName = TaskName.C成品胶出库;
            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<TN_Outbound_Detail>(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 httpH = new HttpHelper();
            var model = new OtherModel.PickUpReturnErpInfo();
            model.LocCode = task.S_START_LOC;
            try {
                var jsonInfo = JsonConvert.SerializeObject(model);
                var result = httpH.WebPost(Settings.ErpApiUrl + "PickUpReturn", jsonInfo);
                // TODO
            }
            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() {
            //查询任务
            //获取所有等待的任务
            var list = WCSHelper.GetWaitingTaskList();
            LogHelper.Info("等待任务信息" + JsonConvert.SerializeObject(list), "API");
            if (list.Count > 0) {
                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.SendGZTask(task);///调度国自设备
                });
            }
            else {
                LogHelper.Info("暂无任务");
            }
        }
    }
}