using System.Globalization;
using MES.Service.DB;
using MES.Service.Dto.webApi;
using MES.Service.Modes;
using SqlSugar;

namespace MES.Service.service.BasicData;

public class SalesReturnNoticeManager : Repository<SalesReturnNotice>
{
    //当前类已经继承了 Repository 增、删、查、改的方法

    private readonly SalesReturnNoticeDetailManager _SalesReturnDetailManager =
        new();

    //ErpSalesReturn
    public bool Save(ErpSalesReturn SalesReturn)
    {
        var erpSalesReturnDto = SalesReturn.OrderDto;
        var mesSalesReturn = ConvertErpToSalesReturn(SalesReturn.OrderDto);
        var mesSalesReturnDatas =
            ConvertErpToSalesReturnDetail(SalesReturn.Items);

        return UseTransaction(db =>
        {
            switch (erpSalesReturnDto.Type)
            {
                // case "2":
                //     return InsertData(db, mesSalesReturn, mesSalesReturnDatas,
                //         rohInErpRohIn.FBILLTYPE)
                //         ? 1
                //         : 0;
                case "3":
                    return UpdateData(db, mesSalesReturn, mesSalesReturnDatas)
                        ? 1
                        : 0;
                case "2":
                case "4":
                    return SaveOrUpdateData(db, mesSalesReturn,
                        mesSalesReturnDatas, erpSalesReturnDto.Type)
                        ? 1
                        : 0;
                default:
                    throw new NotImplementedException(
                        $"type没有{erpSalesReturnDto.Type}这个类型");
            }
        }) > 0;
    }

    private bool UpdateData(SqlSugarScope db, SalesReturnNotice mesSalesReturn,
        List<SalesReturnNoticeDetail> mesSalesReturnDatas)
    {
        // 先删除从表数据（明细表）
        var deleteDetails = db.Deleteable<SalesReturnNoticeDetail>()
            .Where(s => s.ErpHeadId == mesSalesReturn.ErpId)
            .ExecuteCommand() >= 0; // 使用>=0，因为可能没有明细数据

        // 再删除主表数据
        var deleteMain = base.DeleteById(mesSalesReturn.Id);

        if (deleteMain && deleteDetails) return true;
        throw new NotImplementedException("删除失败");
    }

    // 插入或更新数据的方法
    private bool SaveOrUpdateData(SqlSugarScope db,
        SalesReturnNotice mesSalesReturn,
        List<SalesReturnNoticeDetail> mesSalesReturnDatas, string type)
    {
        // 如果存在主表记录，先删除从表数据，再删除主表
        if (mesSalesReturn.Id != null)
        {
            // 先删除从表数据（明细表）
            db.Deleteable<SalesReturnNoticeDetail>()
                .Where(s => s.ErpHeadId == mesSalesReturn.ErpId)
                .ExecuteCommand();
            
            // 再删除主表数据
            base.DeleteById(mesSalesReturn.Id);
        }
        else
        {
            // 如果主表不存在，但可能有从表数据，也删除从表数据
            db.Deleteable<SalesReturnNoticeDetail>()
                .Where(s => s.ErpHeadId == mesSalesReturn.ErpId)
                .ExecuteCommand();
        }

        // 插入新的主表数据
        var orUpdate = base.Insert(mesSalesReturn);
        
        // 插入新的从表数据
        var baOrUpdate = true;
        if (mesSalesReturnDatas.Count > 0)
        {
            baOrUpdate = _SalesReturnDetailManager.InsertRange(mesSalesReturnDatas);
        }
        
        if (orUpdate && baOrUpdate) return true;

        throw new NotImplementedException("插入或更新失败");
    }

    // 批量保存记录的方法
    public bool SaveList(List<ErpSalesReturn> salesOrder)
    {
        var result = salesOrder.Select(Save).ToList();
        return result.All(b => b);
    }

    // 重写DeleteById方法，实现级联删除
    public new bool DeleteById(object id)
    {
        return UseTransaction(db =>
        {
            // 先获取主表记录，获取ErpId用于删除从表
            var mainRecord = base.GetById(Convert.ToDecimal(id));
            if (mainRecord != null)
            {
                // 先删除从表数据（明细表）
                db.Deleteable<SalesReturnNoticeDetail>()
                    .Where(s => s.ErpHeadId == mainRecord.ErpId)
                    .ExecuteCommand();
            }
            
            // 再删除主表数据
            return base.DeleteById(id) ? 1 : 0;
        }) > 0;
    }

    // 重写DeleteByIds方法，实现级联删除
    public new bool DeleteByIds(object[] ids)
    {
        return UseTransaction(db =>
        {
            var successCount = 0;
            foreach (var id in ids)
            {
                // 先获取主表记录，获取ErpId用于删除从表
                var mainRecord = base.GetById(Convert.ToDecimal(id));
                if (mainRecord != null)
                {
                    // 先删除从表数据（明细表）
                    db.Deleteable<SalesReturnNoticeDetail>()
                        .Where(s => s.ErpHeadId == mainRecord.ErpId)
                        .ExecuteCommand();
                }
                
                // 再删除主表数据
                if (base.DeleteById(id))
                {
                    successCount++;
                }
            }
            return successCount;
        }) > 0;
    }

    private SalesReturnNotice ConvertErpToSalesReturn(
        ErpSalesReturnDto erpDto)
    {
        DateTime parsedDate;

        // 时间格式转换函数，ERP时间格式为 "yyyy-MM-dd HH:mm:ss"
        DateTime? ParseDateTime(string dateStr)
        {
            if (DateTime.TryParseExact(dateStr, "yyyy-MM-dd HH:mm:ss",
                    CultureInfo.InvariantCulture,
                    DateTimeStyles.None,
                    out parsedDate))
                return parsedDate;

            return null; // 如果转换失败，返回null
        }

        var salesOrder = new SalesReturnNotice
        {
            BillNo = erpDto.FBillNo,
            ErpId = erpDto.ErpID,
            FDate = ParseDateTime(erpDto.FDate) ?? null,
            BillType = erpDto.FBillTypeID, // 单据类型
            Currency = erpDto.FSettleCurrld, // 结算币别
            SalesDept = erpDto.FSaleDeptId, //销售部门
            ReturnCustomer = erpDto.FRetcustId, // 退货客户
            ReturnReason = erpDto.FRetcustReason, // 退货原因
            DeliveryLocation = erpDto.FHeadLocId, // 交货地点
            InventoryDept = erpDto.FRetDeptId, // 库存部门
            InventoryGroup = erpDto.FStockerGroupId, // 库存组
            WarehouseManager = erpDto.FStockerId, // 仓管员
            SalesGroup = erpDto.FSaleGroupId, // 销售组
            SalesPerson = erpDto.FSalesManId, //销售员
            Receiver = erpDto.FReceiveCusId, // 收货方
            ReceiverContact = erpDto.FReceiveCusContact, // 收货方联系人
            ReceiverAddress = erpDto.FReceiveAddress, // 收货方地址
            ReceiverName = erpDto.FLinkMan, // 收货方姓名
            SettleParty = erpDto.FSettleCusId, // 结算方  
            CreatedBy = erpDto.FCreatorId, // 创建人
            CreatedDate = ParseDateTime(erpDto.FCreateDate) ?? null, // 创建时间
            ModifiedBy = erpDto.FModifierId, // 修改人
            ModifiedDate = ParseDateTime(erpDto.FModifyDate) ?? null, // 修改时间
            ClosedBy = erpDto.FCloserId, // 关闭人
            CloseReason = erpDto.FCloseReason, // 关闭原因
            CloseDate = ParseDateTime(erpDto.FCloseDate) ?? null, // 关闭日期
            ApprovedBy = erpDto.FApproverId, // 审核人
            ApprovedDate = ParseDateTime(erpDto.FApproveDate) ?? null, // 审核日期
            CancelStatus = erpDto.FCancelStatus, // 作废状态
            CancelledBy = erpDto.FCancellerId, // 作废人
            CancelDate = ParseDateTime(erpDto.FCancelDate) ?? null, // 作废日期
            CloseStatus = erpDto.FBillCloseStatus, // 关闭状态
            BillStatus = erpDto.FDocumentStatus //单据状态
        };

        var single = base.GetSingle(it => it.ErpId == erpDto.ErpID);
        if (single != null) salesOrder.Id = single.Id;

        return salesOrder;
    }

    private List<SalesReturnNoticeDetail> ConvertErpToSalesReturnDetail(
        List<ErpSalesReturnDetailDto> erpDtoList)

    {
        var salesOrderSubList =
            new List<SalesReturnNoticeDetail>();

        DateTime parsedDate;

        // 时间格式转换函数，ERP时间格式为 "yyyy-MM-dd HH:mm:ss"
        DateTime? ParseDateTime(string dateStr)
        {
            if (DateTime.TryParseExact(dateStr, "yyyy-MM-dd HH:mm:ss",
                    CultureInfo.InvariantCulture,
                    DateTimeStyles.None,
                    out parsedDate))
                return parsedDate;

            return null; // 如果转换失败，返回null
        }


        foreach (var erpDto in erpDtoList)
        {
            var salesOrderSub = new SalesReturnNoticeDetail
            {
                ErpLineId = erpDto.ErpID, //ERP行ID
                ErpHeadId = erpDto.EHID, //ERP头ID
                MaterialId = erpDto.FMaterialId, //物料编号
                SalesUnitId = erpDto.FUnitID, //销售单位
                SalesQuantity = Convert.ToDecimal(erpDto.FQty), //销售数量
                IsFree = erpDto.FIsFree, //是否赠品
                ReturnDate = ParseDateTime(erpDto.FDeliverydate), //退货日期
                Warehouse = erpDto.FStockId, //仓库
                PlanTrackingNumber = erpDto.FMtoNo, //计划跟踪号
                LotNumber = erpDto.FLot, //批号
                Note = erpDto.FEntryDescription, //备注
                ReturnType = erpDto.FRmType, //退货类型
                InventoryUnit = erpDto.FStockUnitID, //库存单位
                InventoryQuantity = Convert.ToDecimal(erpDto.FStockQty), //库存数量
                OwnerTypeId = erpDto.FOwnerTypeID, //货主类型
                OwnerId = erpDto.FOwnerId, //货主
                SourceBillType = erpDto.FSrcType,
                SourceBillNo = erpDto.FSrcBillNo,
                OrderBillNo = erpDto.FOrderNo
            };

            var single = _SalesReturnDetailManager.GetSingle(it =>
                it.ErpLineId == salesOrderSub.ErpLineId);
            if (single != null) salesOrderSub.Id = single.Id;

            salesOrderSubList.Add(salesOrderSub);
        }

        return salesOrderSubList;
    }

    //这里面写的代码不会给覆盖,如果要重新生成请删除 SalesReturnNoticeManager.cs


    #region 教学方法

    /// <summary>
    ///     仓储方法满足不了复杂业务需求，业务代码请在这里面定义方法
    /// </summary>
    public void Study()
    {
        /*********查询*********/

        var data1 = base.GetById(1); //根据ID查询
        var data2 = base.GetList(); //查询所有
        var data3 = base.GetList(it => 1 == 1); //根据条件查询  
        //var data4 = base.GetSingle(it => 1 == 1);//根据条件查询一条,如果超过一条会报错

        var p = new PageModel { PageIndex = 1, PageSize = 2 }; // 分页查询
        var data5 = base.GetPageList(it => 1 == 1, p);
        Console.Write(p.TotalCount); //返回总数

        var data6 =
            base.GetPageList(it => 1 == 1, p,
                it => SqlFunc.GetRandom()); // 分页查询加排序
        Console.Write(p.TotalCount); //返回总数

        var conModels = new List<IConditionalModel>(); //组装条件查询作为条件实现 分页查询加排序
        conModels.Add(new ConditionalModel
        {
            FieldName = typeof(SalesReturnNotice).GetProperties()[0].Name,
            ConditionalType = ConditionalType.Equal, FieldValue = "1"
        }); //id=1
        var data7 = base.GetPageList(conModels, p, it => SqlFunc.GetRandom());

        AsQueryable().Where(x => 1 == 1)
            .ToList(); //支持了转换成queryable,我们可以用queryable实现复杂功能


        /*********插入*********/
        var insertData = new SalesReturnNotice(); //测试参数
        var insertArray = new[] { insertData };
        base.Insert(insertData); //插入
        base.InsertRange(insertArray); //批量插入
        var id = base.InsertReturnIdentity(insertData); //插入返回自增列
        AsInsertable(insertData).ExecuteCommand(); //我们可以转成 Insertable实现复杂插入


        /*********更新*********/
        var updateData = new SalesReturnNotice(); //测试参数
        var updateArray = new[] { updateData }; //测试参数
        base.Update(updateData); //根据实体更新
        base.UpdateRange(updateArray); //批量更新
        //base.Update(it => new SalesReturnNotice() { ClassName = "a", CreateTime = DateTime.Now }, it => it.id==1);// 只更新ClassName列和CreateTime列，其它列不更新，条件id=1
        AsUpdateable(updateData).ExecuteCommand(); //转成Updateable可以实现复杂的插入


        /*********删除*********/
        var deldata = new SalesReturnNotice(); //测试参数
        base.Delete(deldata); //根据实体删除
        base.DeleteById(1); //根据主键删除
        base.DeleteById(new[] { 1, 2 }); //根据主键数组删除
        base.Delete(it => 1 == 2); //根据条件删除
        AsDeleteable().Where(it => 1 == 2)
            .ExecuteCommand(); //转成Deleteable实现复杂的操作
    }

    #endregion
}