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

namespace WMS.Web.Domain.Entitys
{
    /// <summary>
    /// erp入库任务表
    /// </summary>
    [Serializable]
    [Table("t_erp_instock_task")]    
    public class InStockTask : EntityBase
    {
        /// <summary>
        /// ID
        /// </summary>
        public override int Id { get; set; }
        /// <summary>
        /// 单据编号
        /// </summary>
        public string BillNo { get; set; }
        /// <summary>
        /// 来源单号
        /// </summary>
        public string SourceBillNo { get; set; }

        /// <summary>
        /// 销售订单号
        /// </summary>
        public string SaleBillNo { get; set; }

        /// <summary>
        /// 入库状态
        /// </summary>
        public InstockStatus Status { get; set; }
        /// <summary>
        /// 入库类型
        /// </summary>
        public InstockType Type { get; set; }
        /// <summary>
        /// 收货人
        /// </summary>
        public int? ReceiverId { get; set; }
        /// <summary>
        /// 收货时间
        /// </summary>
        public DateTime? ReceiveTime { get; set; }
        /// <summary>
        /// 上架人
        /// </summary>
        public int? ShelferId { get; set; }
        /// <summary>
        /// 入库时间(上架时间)
        /// </summary>
        public DateTime? ShelfTime { get; set; }


        /// <summary>
        /// 创建时间（erp那边的创建时间）
        /// </summary>
        public DateTime CreateTime { get; set; }

        /// <summary>
        /// 作废人
        /// </summary>
        public int? RepealerId { get; set; }

        /// <summary>
        /// 作废时间
        /// </summary>
        public DateTime? RepealTime { get; set; }

        /// <summary>
        /// 供应商Id
        /// </summary>
        public int SupplierId { get; set; }

        /// <summary>
        /// 组织编码
        /// </summary>
        public string OrgCode { get; set; }

        /// <summary>
        /// 明细
        /// </summary>
        public  List<InStockTaskDetails> Details { get; set; }

        /// <summary>
        /// 创建
        /// </summary>
        /// <param name="type"></param>
        /// <param name="sourceBillNo"></param>
        /// <param name="createTime"></param>
        public void Create(InstockType type,string sourceBillNo, DateTime createTime) 
        {
            if (type == InstockType.Purchase)
                this.Status = InstockStatus.Wait;
            else
                this.Status = InstockStatus.WaitInStock;
            this.Type = type;
            this.SourceBillNo = sourceBillNo;
            this.CreateTime = createTime;
        }

        /// <summary>
        /// 作废
        /// </summary>
        public void Repeal(int repealerId,List<int> detailsIds)
        {
            this.RepealerId = repealerId;
            this.RepealTime= DateTime.Now;
            //明细行作废
            this.Details.Where(x => detailsIds.Contains(x.Id)).ToList().ForEach(x => { x.IsRepeal = true; });

            //如果明细全部作废,则单据状态作废
            if (this.Details.All(x => x.IsRepeal == true))
                this.Status = InstockStatus.Repeal;
            else
                this.ChangeInstockStatus();//重新计算单据的状态


        }


        /// <summary>
        /// 创建订单号
        /// </summary>
        /// <param name="newId"></param>
        public void MakeBillNo(int newId)
        {
            //生成订单号
            var length = newId.ToString().Length;
            if (length >= 8)
            {
                this.BillNo = $"RKRW{newId.ToString()}";
            }
            else
            {
                var needLength = 8 - length;
                var needStr = "";
                for (int i = 0; i < needLength; i++)
                {
                    needStr += "0";
                }
                this.BillNo = "RKRW" + needStr + newId.ToString();
            }
        }

        /// <summary>
        /// 收货
        /// </summary>
        /// <param name="creatorId"></param>
        public void Receive(int creatorId)
        {
            this.Status = InstockStatus.WaitInStock;
            this.ReceiverId = creatorId;
            this.ReceiveTime = DateTime.Now;
        }

        //改变状态
        public void ChangeInstockStatus() 
        {
            //明细中：所有的应入数量之和
            var totalAccruedQty = this.Details.Where(x => x.IsRepeal != true).Sum(x => x.AccruedQty);

            //明细中：所有的入库数量之和
            var totalRealityQty = this.Details.Where(x => x.IsRepeal != true && x.AccruedQty > 0).Sum(x => x.RealityQty);

            //明细中：所有的收货数量之和
            var totalReceiveQty = this.Details.Where(x => x.IsRepeal != true && x.AccruedQty > 0).Sum(x => x.ReceiveQty);

            if (totalAccruedQty <= totalRealityQty)
                this.Status = InstockStatus.Already;
            else if(totalReceiveQty<=0)
                this.Status = InstockStatus.Wait;
            else if(totalRealityQty<=0)
                this.Status = InstockStatus.WaitInStock;
            else
                this.Status = InstockStatus.Part;

        }

        /// <summary>
        /// 上架
        /// </summary>
        /// <param name="creatorId"></param>
        public void Shelf(int creatorId)
        {
            this.ChangeInstockStatus();
            this.ShelferId = creatorId;
            this.ShelfTime = DateTime.Now;
        }

        /// <summary>
        /// 非采购上架
        /// </summary>
        /// <param name="creatorId"></param>
        public void NoPurchaseShelf(int creatorId) 
        {
            this.ChangeInstockStatus();
            this.ReceiverId = creatorId;
            this.ReceiveTime = DateTime.Now;
            this.ShelferId = creatorId;
            this.ShelfTime = DateTime.Now;
        }
    }
}