using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using System.Text;
using WMS.Web.Core;
using WMS.Web.Core.Help;
using WMS.Web.Core.Internal.Results;
using WMS.Web.Domain.Values;

namespace WMS.Web.Domain.Entitys
{
    /// <summary>
    /// erp出库任务单
    /// </summary>
    [Serializable]
    [Table("t_erp_outstock_task")]
    public class OutStockTask : EntityBase
    {
        public OutStockTask() { }
        /// <summary>
        /// 主键 订单编号
        /// </summary>
        [Column("Id")]
        public override int Id { get; set; }
        /// <summary>
        /// 单据编号
        /// </summary>
        [Column("BillNo")]
        public string BillNo { get; set; }
        /// <summary>
        /// 发货组织
        ///</summary> 
        [Column("DeliveryOrgId")]
        public int DeliveryOrgId { get; set; }
        /// <summary>
        /// 组织编码
        ///</summary> 
        [Column("OrgCode")]
        public string OrgCode { get; set; }
        /// <summary>
        /// 收货客户
        ///</summary> 
        [Column("ReceiptCustomerId")]
        public int ReceiptCustomerId { get; set; }
        /// <summary>
        /// 仓库ID
        ///</summary> 
        [Column("StockCode")]
        public string StockCode { get; set; } = "";
        /// <summary>
        /// 单据状态
        /// </summary>
        [Column("Status")]
        public OutStockStatus Status { get; set; } = OutStockStatus.Wait;
        /// <summary>
        /// 单据类型
        /// </summary>
        [Column("Type")]
        public OutStockType Type { get; set; } = OutStockType.Sal;
        /// <summary>
        /// 操作人
        /// </summary>
        [Column("OperatorId")]
        public int? OperatorId { get; set; }
        /// <summary>
        /// 操作时间
        /// </summary>
        [Column("OperateTime")]
        public DateTime? OperateTime { get; set; }
        /// <summary>
        /// 出库人
        /// </summary>
        [Column("OutStockId")]
        public int? OutStockId { get; set; }
        /// <summary>
        /// 出库时间
        /// </summary>
        [Column("OutStockTime")]
        public DateTime? OutStockTime { get; set; }
        /// <summary>
        /// 创建时间（erp那边的创建时间）
        ///</summary> 
        [Column("CreateTime")]
        public DateTime? CreateTime { get; set; }
        /// <summary>
        /// 在wms最新数据修改时间
        /// </summary>
        [Column("WmsUpdateTime")]
        public DateTime WmsUpdateTime { get; set; } = DateTime.Now;
        /// <summary>
        /// 明细
        /// </summary>
        public List<OutStockTaskDetails> Details = new List<OutStockTaskDetails>();
        public void Create(OutStockType type, string stockCode, string orgCode, int deliveryOrgId, int receiptCustomerId, DateTime createTime)
        {
            this.Type = type;
            this.StockCode = stockCode;
            this.OrgCode = orgCode;
            this.DeliveryOrgId = deliveryOrgId;
            this.ReceiptCustomerId = receiptCustomerId;
            this.CreateTime = createTime;
        }
        /// <summary>
        /// 出库 反写 任务单(返回 这个物料下面的来源单号出了多少数量)
        /// </summary>
        /// <param name="materialNumber"></param>
        /// <param name="qty"></param>
        /// <returns></returns>
        public Result<List<(int erpDetailId, decimal qty)>> OutStock(string materialNumber, decimal qty, int outStockId)
        {
            if (this.Status == OutStockStatus.Already)
                return Result<List<(int erpDetailId, decimal qty)>>.ReFailure(ResultCodes.OutStockTaskAlready);
            if (this.Status == OutStockStatus.Repeal)
                return Result<List<(int erpDetailId, decimal qty)>>.ReFailure(ResultCodes.OutStockTaskRepeal);

            var detail = this.Details.FirstOrDefault(f => f.MaterialNumber == materialNumber);
            if (detail == null) return Result<List<(int erpDetailId, decimal qty)>>.ReFailure(ResultCodes.OrderNoData);
            if ((detail.AccruedQty - detail.RealityQty) < qty)
                return Result<List<(int erpDetailId, decimal qty)>>.ReFailure(ResultCodes.OutStockQtyError);
            List<(int erpDetailId, decimal qty)> resList = new List<(int erpDetailId, decimal qty)>();
            var mQty = qty;
            foreach (var d in detail.ErpDetails)
            {
                if ((d.AccruedQty - d.RealityQty) >= mQty)
                {
                    d.RealityQty += qty;
                    resList.Add((d.Erp_DetailId, mQty));
                    break;//本次出库数量已经分配完毕 调出循环
                }
                else
                {
                    //代表这一个来源单号对应的物料 能全部出掉,并且还有剩余 进行下一个来源单的出货
                    var cQty = d.AccruedQty - d.RealityQty;//本次出货数量
                    mQty -= cQty;
                    d.RealityQty = d.AccruedQty;
                    resList.Add((d.Erp_DetailId, cQty));
                }
            }

            if (detail.RealityQty <= 0)
                detail.OutStockBeginTime = DateTime.Now;
            //全部出库完成
            if (detail.AccruedQty == (detail.RealityQty + qty))
                detail.OutStockEndTime = DateTime.Now;

            detail.RealityQty = detail.RealityQty + qty;

            this.OutStockId = outStockId;
            this.OutStockTime = DateTime.Now;

            GenerateStatus();

            return Result<List<(int erpDetailId, decimal qty)>>.ReSuccess(resList);
        }
        /// <summary>
        /// 自动验证出库状态
        /// </summary>
        public void GenerateStatus()
        {
            if (this.Status == OutStockStatus.Repeal)
                return;
            var details = this.Details.Where(w => w.IsRepeal != true).ToList();

            if (details.Where(w => w.RealityQty <= 0).Count() == details.Count())
                this.Status = OutStockStatus.Wait;
            else if (details.Where(w => w.RealityQty >= w.AccruedQty).Count() == details.Count())
                this.Status = OutStockStatus.Already;
            else
                this.Status = OutStockStatus.Part;
        }

        /// <summary>
        /// 生成单据号
        /// </summary>
        public void GenerateNo()
        {
            //用户手动输入了 就不自动生成了
            if (!string.IsNullOrEmpty(this.BillNo)) return;

            if (this.Id.ToString().Length >= 8)
            {
                this.BillNo = "CKRW" + this.Id.ToString();
                return;
            }

            string idStr = this.Id.ToString();
            while (true)
            {
                idStr = "0" + idStr;
                if (idStr.Length >= 8) break;
            }
            //this.Number = CNSpellTranslator.GetFirstSpell(this.Name) + idStr;
            this.BillNo = "CKRW" + idStr;
        }

        /// <summary>
        /// 作废
        /// </summary>
        public void Repeal(int creatorId, List<int> ids)
        {
            this.OperatorId = creatorId;
            this.OperateTime = DateTime.Now;
            foreach (var d in this.Details.Where(w => ids.Contains(w.Id)))
            {
                d.IsRepeal = true;
            }
            //如果明细全部作废,则单据状态作废
            if (this.Details.Where(w => w.IsRepeal == true).Count() == this.Details.Count())
                this.Status = OutStockStatus.Repeal;

            GenerateStatus();
        }
        /// <summary>
        /// 反作废
        /// </summary>
        public void NoRepeal(int creatorId, List<int> ids)
        {
            this.OperatorId = 0;
            this.OperateTime = null;
            foreach (var d in this.Details.Where(w => ids.Contains(w.Id)))
            {
                d.IsRepeal = false;
            }

            var details = this.Details.Where(w => w.IsRepeal != true).ToList();

            if (details.Where(w => w.RealityQty <= 0).Count() == details.Count())
                this.Status = OutStockStatus.Wait;
            else if (details.Where(w => w.RealityQty >= w.AccruedQty).Count() == details.Count())
                this.Status = OutStockStatus.Already;
            else
                this.Status = OutStockStatus.Part;
        }
        /// <summary>
        /// 合并
        /// </summary>
        /// <param name="list"></param>
        /// <param name="creatorId"></param>
        /// <returns></returns>
        public Result Merge(List<OutStockTask> list, int creatorId)
        {
            if (list.Count() <= 1) return Result.ReFailure(ResultCodes.MergeNumberError);
            // 符合合并数据逻辑:出库状态为”待拣货”+出库类型为:销售出库+发货组织一致+收货客户一致+发货仓库一致
            if (list.Where(w => w.Status != OutStockStatus.Wait).Any()) return Result.ReFailure(ResultCodes.MergeStatusError);
            if (list.Where(w => w.Type != OutStockType.Sal).Any()) return Result.ReFailure(ResultCodes.MergeStatusError);
            if (list.GroupBy(g => g.DeliveryOrgId).Count() > 1) return Result.ReFailure(ResultCodes.MergeStatusError);
            if (list.GroupBy(g => g.ReceiptCustomerId).Count() > 1) return Result.ReFailure(ResultCodes.MergeStatusError);
            if (list.GroupBy(g => g.OrgCode).Count() > 1) return Result.ReFailure(ResultCodes.MergeStatusError);
            var details = list.SelectMany(s => s.Details).ToList().Clone();
            if (list.GroupBy(g => g.StockCode).Count() > 1) return Result.ReFailure(ResultCodes.MergeStatusError);
            List<OutStockTaskDetails> details_new = new List<OutStockTaskDetails>();

            //清空数据绑定
            foreach (var d in details)
            {
                d.Id = 0;
                d.Fid = 0;
                var detail_new = details_new.FirstOrDefault(f => f.MaterialNumber == d.MaterialNumber);
                if (detail_new != null)
                {
                    detail_new.AccruedQty += d.AccruedQty;//应出数量累加
                    detail_new.Remark = detail_new.Remark + "\r\n" + d.Remark;
                    foreach (var erpd in d.ErpDetails)
                    {
                        var cd = erpd.Clone();
                        cd.Id = 0; cd.DetailId = 0;
                        detail_new.ErpDetails.Add(cd);
                    }

                }
                else
                {
                    foreach (var erpd in d.ErpDetails)
                    {
                        erpd.Id = 0;
                        erpd.DetailId = 0;
                    }
                    details_new.Add(d);
                }
            }
            this.CreateTime = list.Max(o => o.CreateTime);//取最新的时间
            this.OperatorId = creatorId;
            this.OperateTime = DateTime.Now;
            this.Status = OutStockStatus.Wait;
            this.DeliveryOrgId = list.First().DeliveryOrgId;
            this.ReceiptCustomerId = list.First().ReceiptCustomerId;
            this.StockCode = list.First().StockCode;
            this.OrgCode = list.First().OrgCode;
            this.Type = OutStockType.Sal;
            this.Details = details_new;

            return Result.ReSuccess();
        }
    }
}