using Rhea.Common;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tiger.IBusiness;
using Tiger.Model;

namespace Tiger.Business.WMS.Transaction
{
    /// <summary>
    /// 仓库作业任务，包括清点、上架、下架、移库、盘点等
    /// </summary>
    public class WmsTask : WMSTransactionBase, IWmsTask
    {
        #region Propertys & Variables
        public string UserCode { get; set; }
        public string OrgCode { get; set; }
        private DbClient _MainDB;
        public DbClient MainDB => _MainDB;
        private DbClient CommitDB;
        public Inventory CurInvItem { get; set; }
        public ScanShelfInfo CurScanShelf { get; set; }
        /// <summary>
        /// 跟客户端通讯时的指令，有具体功能定义，默认为Normal
        /// </summary>
        public string Command { get; set; } = "Normal";
        /// <summary>
        /// 是否需要临时存储数据库提交操作，待需要的时候再提交
        /// </summary>
        public bool NeedTemporaryStoreDBCommitAction { get; set; } = false;
        protected Dictionary<string, List<Action>> DBCommitList { get; set; } = new();
        #endregion Propertys & Variables

        #region Functions
        public IWmsTask Init(string id, string userCode, string apiHost, string orgCode)
        {
            TransID = id;
            UserCode = userCode;
            ApiHost = apiHost;
            OrgCode = orgCode;
            _MainDB = Biz.Db;

            return this;
        }

        /// <summary>
        /// 获取提交数据的DbClient对象
        /// </summary>
        /// <returns></returns>
        public DbClient GetCommitDB()
        {
            return CommitDB ??= Biz.Db;
        }

        /// <summary>
        /// 增加暂存的数据库操作
        /// </summary>
        /// <param name="groupName">暂存的分组</param>
        /// <param name="action">暂存的数据库操作</param>
        public void AddCommitAction(string group, Action action)
        {
            //增加附加的保存内容
            if (!action.IsNullOrEmpty())
            {
                if (!DBCommitList.ContainsKey(group))
                {
                    DBCommitList.Add(group, new List<Action>());
                }
                var commitList = DBCommitList[group];
                commitList.Add(action);
            }
        }

        /// <summary>
        /// 暂存的数据库操作提交到数据库
        /// </summary>
        /// <param name="appendToSave">附加的保存内容</param>
        public void SaveCommitListToDB(Action appendToSave = null)
        {
            //增加附加的保存内容
            if (!appendToSave.IsNullOrEmpty())
            {
                if (!DBCommitList.ContainsKey("AppendSaveAction"))
                {
                    DBCommitList.Add("AppendSaveAction", new List<Action>());
                }
                var appendList = DBCommitList["AppendSaveAction"];
                appendList.Add(appendToSave);
            }

            //如果不需要临时存储数据库提交操作，则把提交操作列表提交到数据库
            if (!NeedTemporaryStoreDBCommitAction)
            {
                //恢复临时存储标记为false
                NeedTemporaryStoreDBCommitAction = false;

                var dbTran = GetCommitDB().UseTran(() =>
                {
                    //在同一个事务中保存所有工步的数据
                    foreach (var wipSn in DBCommitList.Keys.Where(q => q != "AppendSaveAction"))
                    {
                        foreach (var action in DBCommitList[wipSn])
                        {
                            action.Invoke();
                        }
                    }
                    //附加的保存内容
                    if (DBCommitList.ContainsKey("AppendSaveAction"))
                    {
                        foreach (var action in DBCommitList["AppendSaveAction"])
                        {
                            action.Invoke();
                        }
                    }
                });
                if (dbTran.IsSuccess)
                {
                    //保存成功则清空提交操作列表
                    DBCommitList.Clear();
                }
                else
                {
                    //抛出异常
                    throw dbTran.ErrorException;
                }
            }
        }

        /// <summary>
        /// 上架
        /// </summary>
        /// <param name="inventory">要上架的库存对象</param>
        /// <param name="option">授权查询选项</param>
        /// <param name="targetLocation">要上架的储位代码</param>
        /// <param name="isTransfer">是否移库操作</param>
        /// <returns></returns>
        public Result PutOn(AuthOption option, string targetLocation)
        {
            var result = new Result(Result.Flags.Success);
            try
            {
                var location = Biz.Db.Queryable<V_WH_UNIT>().Where(q => q.LOCATION_CODE == targetLocation && q.AUTH_ORG == option.CurOrg).IncludesAllFirstLayer().First();
                if (!location.IsNullOrEmpty())
                {
                    var isTransfer = CurInvItem?.Location?.LOCATION_CODE != location.LOCATION_CODE;
                    foreach (var item in CurInvItem.Items)
                    {
                        item.STATUS = WMS_ITEM.STATUSs.InStore.GetValue();
                        item.SUPP_LOTNO = CurInvItem.Barcode.LotNo;
                        item.FIRST_IN_DATE = item.FIRST_IN_DATE <= DateTime.MinValue ? DateTime.Now : item.FIRST_IN_DATE;
                        item.PROD_DATE = item.PROD_DATE <= DateTime.MinValue ? item.FIRST_IN_DATE : item.PROD_DATE;
                        item.WH_ID = location.WH_ID;
                        item.REGION_ID = location.REGION_ID;
                        item.SHELF_ID = location.SHELF_ID;
                        item.LOCATION_ID = location.LOCATION_ID;
                        CurInvItem.History.Add(new WMS_ITEM_HIS(item, $"条码[{CurInvItem.SN}]{(isTransfer ? $"从储位[{CurInvItem?.Location?.LOCATION_CODE}]移库" : "上架")}到储位[{location.LOCATION_CODE}]成功{(isTransfer ? "" : $"，操作单据[{item.TRANS_NO}]")}"));
                    }
                    foreach (var item in CurInvItem.Packages)
                    {
                        item.WH_ID = location.WH_ID;
                        item.REGION_ID = location.REGION_ID;
                        item.SHELF_ID = location.SHELF_ID;
                        item.LOCATION_ID = location.LOCATION_ID;
                    }
                    foreach (var item in CurInvItem.ItemsExt)
                    {
                        item.AUTH_ORG = option.OrgCode;
                        item.SN = CurInvItem.Barcode.SN;
                    }
                    //更新储存信息
                    CurInvItem.Warehouse = location.Warehouse;
                    CurInvItem.Region = location.Region;
                    CurInvItem.Shelf = location.Shelf;
                    CurInvItem.Location = location.Location;

                    //创建变量克隆对象用于传入DBSubmitAction中保存当前需要暂存的数据值
                    var _Items = CurInvItem.Items.Clone();
                    var _Packages = CurInvItem.Packages.Clone();
                    var _History = CurInvItem.History.Clone();
                    var _ItemsExt = CurInvItem.ItemsExt.Clone();
                    AddCommitAction("PutOn", () =>
                    {
                        //使用统一的事务DB对象
                        var db = GetCommitDB();
                        //数据保存逻辑
                        db.Storageable(_Items, UserCode).ExecuteCommand();
                        db.Storageable(_Packages, UserCode).ExecuteCommand();
                        db.Insertable(_History, UserCode).ExecuteCommand();
                        var x = db.Storageable(_ItemsExt, UserCode).ToStorage();
                        x.AsInsertable.ExecuteCommand();//不存在插入
                        x.AsUpdateable.ExecuteCommand();//存在更新
                    });
                }
                else
                {
                    result.Flag = Result.Flags.Failed;
                    result.LocaleMsg = new("WMS.WmsItem.PutOn.LocationNotExists", targetLocation);
                }
            }
            catch (Exception ex)
            {
                result.CatchExceptionWithLog(ex, Biz.L("WMS.WmsItem.PutOn.Exception", CurInvItem.SN, targetLocation));
            }
            return result;
        }

        /// <summary>
        /// 下架
        /// </summary>
        /// <param name="option">授权查询选项</param>
        /// <param name="status">下架后状态</param>
        /// <param name="clearLocation">是否清理储区货架储位信息</param>
        /// <returns></returns>
        public Result TakeDown(AuthOption option, WMS_ITEM.STATUSs status)
        {
            return TakeDown(CurInvItem.Items.ToDictionary(k => k.SN, v => v.QTY), option, status);
        }

        /// <summary>
        /// 下架
        /// </summary>
        /// <param name="inventory">要下架的库存对象</param>
        /// <param name="qtyList">要下架的最小包装数量字典，key：sn，value：qty</param>
        /// <param name="option">授权查询选项</param>
        /// <param name="status">下架后状态</param>
        /// <param name="clearLocation">是否清理储区货架储位信息</param>
        /// <returns></returns>
        public Result TakeDown(Dictionary<string, double> qtyList, AuthOption option, WMS_ITEM.STATUSs status)
        {
            var result = new Result(Result.Flags.Success);
            try
            {
                //如果要下架的数量字典为空则认为是全部下架
                qtyList = qtyList.IsNullOrEmpty(CurInvItem.Items.ToDictionary(k => k.SN, v => v.QTY));

                foreach (var item in CurInvItem.Items)
                {
                    if (qtyList.ContainsKey(item.SN) && qtyList[item.SN] > 0)
                    {
                        var downQty = qtyList[item.SN];
                        if (item.QTY > downQty)
                        {
                            item.QTY -= downQty;
                            var pkg = CurInvItem.Packages.First(q => q.SN == item.SN);
                            pkg.QTY = item.QTY;
                        }
                        else
                        {
                            item.STATUS = status.GetValue();
                            var pkg = CurInvItem.Packages.First(q => q.SN == item.SN);
                            pkg.PARENT_SN = null;
                            pkg.Parent = null;
                            //如果下架数量等于库存数量则清理储区货架储位信息，否则保留仓库信息
                            //item.WH_ID = null;
                            item.REGION_ID = null;
                            item.SHELF_ID = null;
                            item.LOCATION_ID = null;
                            //pkg.WH_ID = null;
                            pkg.REGION_ID = null;
                            pkg.SHELF_ID = null;
                            pkg.LOCATION_ID = null;
                        }
                        CurInvItem.History.Add(new WMS_ITEM_HIS(item, $"条码[{CurInvItem.SN}]从储位[{CurInvItem?.Location?.LOCATION_CODE}]下架数量[{downQty}]成功，状态[{item.STATUS.GetEnumDesc<WMS_ITEM.STATUSs>()}]，操作单据[{item.TRANS_NO}]"));
                    }
                }
                CurInvItem.Packages = WMS_ITEM_PKG.UpdateQty(CurInvItem.Packages);

                //创建变量克隆对象用于传入DBSubmitAction中保存当前需要暂存的数据值
                var _Items = CurInvItem.Items.Clone();
                var _Packages = CurInvItem.Packages.Clone();
                var _History = CurInvItem.History.Clone();
                AddCommitAction("TakeDown", () =>
                {
                    //使用统一的事务DB对象
                    var db = GetCommitDB();
                    //数据保存逻辑
                    db.Updateable(_Items, UserCode).ExecuteCommand();
                    db.Insertable(_History, UserCode).ExecuteCommand();
                    db.Updateable(_Packages, UserCode).ExecuteCommand();
                });
            }
            catch (Exception ex)
            {
                result.CatchExceptionWithLog(ex, Biz.L("WMS.WmsItem.TakeDown.Exception", CurInvItem.SN, CurInvItem?.Location?.LOCATION_CODE));
            }
            return result;
        }

        #endregion Functions

        public override bool Close(bool needSaveHistoryLog = false)
        {
            //needSaveHistoryLog = true;
            //保存操作日志

            this.IsFinished = true;
            return IsFinished ? base.Close(needSaveHistoryLog) : IsFinished;
        }
    }
}